Wyoming Operator Directory

5,202 Wyomingoil & gas operators

Active operator records pulled directly from the WY WOGCC Operator Directory.

Source: https://wogcc.wyo.gov/ · Updated 2026-07-10

0–9

1876 RESOURCES LLC
1ST NRG WYOMING INC
3B EXPLORATION LLC
44 MAG PRODUCTION INC
442 OPERATING LLC
4HC ENERGY LLC
4W RANCH
6M RESOURCES LLC
8 NORTH LLC

A

A K OIL
A O OIL
A-C OIL
AB2 MINERALS LLC
ABEL AND BAN
ABERCROMBIE J S MINE
ABERDEEN AMERICAN PETROLEUM COMPANY INC
ABERDEEN PETROLEUM USA INC
ABRAXAS PETROLEUM CORPORATION
AC ENGINEERING AND OP
ACCELL NATURAL GAS
ACCIDENTAL OIL COMPANY INC
ACE PETROLEUM
ACEITE ENERGY
ACKARD JOHN
ACKAT LLC
ACKERMAN J E
ACKERMAN R J
ACKMAN EDWARD J
ACME DISPOSAL LLC
ACME HOLDINGS LLC
ACTION ENERGY SERVICES
ACTIVE OIL AND GAS COMPANY
ADAIRCO LLC
ADAMA
ADAMAS ENERGY LLC
ADAMS EXPLORATION CO
ADAMS GLEN
ADAMS H D LLC
ADAMS LOUISIANA CO
ADOBE OIL
ADOBE RESOURCES CORPORATION
ADRIANCE OIL
ADSCO INCORPORATED
ADVANCED RECOVERY SERVICES CO
AETHON ENERGY OPERATING LLC
AETHON UNITED BR LP
AEXCO PETROLEUM INC
AFFIRMED RESOURCES OPERATING LLC
AFFLICK OIL
AGATE BASIN RESOURCES
AGNEW-SULLIVAN INC
AGRI-ACRES INC
AJAX ISLAND PETROLEUM INC
AJAX OIL COMPANY
AKERS A A
ALADDIN PETROLEUM CORPORATION
ALASKA DEVELOPMENT CO
ALASKA ENERGY CORPORATION
ALBA ENERGY LLC
ALBERT DEVELOPMENT SYN
ALBERT K S
ALBRECHT PAUL
ALBRECHT RICHARD AND CAROL
ALDERDICE G W
ALEVIZAKES JOHN P
ALEXANDER ENERGY CORPORATION
ALEXANDER H E
ALIAS PVT LTD LLC
ALKALI BUTTE OIL COMPANY
ALL FIELD SERVICE INC
ALL MINERALS INC
ALL STATE OIL AND GAS
ALLARDYCE R L
ALLCO EXPLORATION COMPANY
ALLEGHENY CORP
ALLEN AND BUTLER
ALLEN AND CROUCH
ALLEN AND PARKER
ALLEN AND SCHRAMM INC
ALLEN B W AND W W BUTLER
ALLEN DRILLING COMPANY
ALLEN LYNN
ALLEN OIL
ALLEN R
ALLEN R AND CHUMAN RICHARD W
ALLIE OIL
ALLISON B F
ALLOWAY A M
ALLPHIN W R
ALMAC OPERATING COMPANY
ALMINEX USA INC
ALPAR RESOURCES INC
ALPHA COAL WEST INC
ALPHA ENERGY LLC
ALPHA INDUSTRIES INC
ALPHA PETROVISION US INC
ALPINE GAS COMPANY
ALPINE OIL COMPANY
ALROC OIL COMPANY
ALTAMONT OIL TRUST
ALTEX OIL COMPANY
ALTUS EXPLORATION COMPANY
ALWORTH REX M AND ASSOCIATES
AM-WEST PETROLEUM INC
AMALGAMATED EXPLORATION INC
AMALGAMATED PETROLEUM COMPANY
AMAREX INC
AMARILLO OIL
AMAX LAND COMPANY
AMAX OIL AND GAS INC
AMAX PETROLEUM CORP
AMBASSADOR OIL
AMBEREX CORPORATION
AMBRA OIL AND GAS
AMBRIT ENERGY CORPORATION
AMCO DRILLING COMPANY INC
AMERADA HESS CORPORATION
AMERADA PETROLEUM CORP
AMERICAN BERYLLIUM OIL CORP
AMERICAN COMETRA
AMERICAN DRILLING SYSTEMS INC
AMERICAN EAGLE OIL
AMERICAN ENERGY OPERATIONS INC
AMERICAN ENERGY PARTNERS INC
AMERICAN EXPLORATION AND DEVEL
AMERICAN EXPLORATION COMPANY
AMERICAN HUNTER EXPLORATION LTD
AMERICAN MINERALS FUND INC
AMERICAN MINERALS MANAGEMENT INC
AMERICAN OIL COMPANY
AMERICAN PENN ENERGY INC
AMERICAN-LEDUC-PENN CANADIAN
AMERIWEST ENERGY CORP
AMES HARRY G
AMES OIL AND GAS
AMES OIL AND GAS CORPORATION
AMESCO LTD
AMIGO OIL AND GAS
AMINOIL USA INC
AMIRMEX OIL AND GAS
AMMONITE ENERGY TEXAS INC
AMPLIFY ENERGY OPERATING LLC
AMPOLEX WY INC
AMRWR LLC
AN-DEE DRILLING
ANADARKO E&P ONSHORE LLC
ANADARKO MINERALS INC
ANADARKO OGC COMPANY
ANADARKO PETROLEUM CORPORATION
ANCHOR BAY CORPORATION
ANDERMAN GEORGE G
ANDERMAN OPERATING COMPANY
ANDERSON AND WELLS OIL CO
ANDERSON B E AND STEVENS R L
ANDERSON BRUCE
ANDERSON CLIVE AND MARGARET
ANDERSON DONALD B LTD
ANDERSON ENERGY
ANDERSON F R PETROLEUM PROD
ANDERSON GEORGE H
ANDERSON MANAGEMENT COMPANY
ANDERSON OIL COMPANY
ANDERSON THORNTON E
ANDERSON-MYERS DRILLING CO
ANDERSON-PRITCHARD OIL CORP
ANDOVER PARTNERS
ANDRAU WILLIAM E ETAL
ANDRIKOPOULOS A G
ANGUS PETROLEUM CORPORATION
ANKARLO AND ELLIS
ANKARLO GEORGE S
ANR PRODUCTION COMPANY
ANSBRO PETROLEUM COMPANY
ANSCHUTZ CORPORATION
ANSCHUTZ EXPLORATION CORPORATION
ANSCHUTZ OIL COMPANY LLC
ANSCHUTZ PINEDALE CORPORATION
ANSCHUTZ RANCH EAST CORPORATION
ANSCHUTZ WYOMING CORPORATION
ANSEL T S
ANT HILLS PRODUCTION
ANTARES OIL CORPORATION
ANTELOPE ENERGY COMPANY LLC
ANTELOPE RESOURCES INC
ANTERO ENERGY LLC
ANTICLINE DISPOSAL LLC
ANTICLINE INTERNATIONAL LTD
ANTLER ENERGY LLC
APACHE CORPORATION
APACHE DEEPWATER LLC
APC OPERATING PARTNERSHIP
APEX EXPLORATION LLC
APEX OIL
APEXCO INC
APOLLO 17 OIL AND GAS INC
APOLLO DRILLING AND EXPLORATION
APPLEDOORN AND SONS
APX WESTERN CORPORATION
AQUARIUS II INCORPORATED
AQUARIUS INC
AQUARIUS OIL AND GAS
ARABIE INC
ARAMCO
ARAPAHO PETROLEUM INC
ARCH CREEK DEVELOPMENT
ARCH OIL AND GAS COMPANY
ARCOL OIL ETAL
ARENA RESOURCES LLC
ARENS JOHN F
ARGENT ENERGY (US) HOLDINGS INC
ARGENTIA OPERATING COMPANY
ARGO OIL CORPORATION
ARGO PETROLEUM CORPORATION
ARGONAUT ENERGY CORPORATION
ARIES OIL COMPANY
ARJAY OIL COMPANY
ARKANSAS NATURAL GAS
ARKLA EXPLORATION COMPANY
ARKLAND PRODUCING CO INC
ARLOW
ARLT AND DOYLE
ARM ENERGY MANAGEMENT LLC
ARMA GEOPHYSICAL
ARMADA OIL AND GAS INC
ARMADA OPERATING LLC
ARMAN OIL
ARMER M B
ARMSTRONG R J
ARNELL OIL COMPANY
ARNOLD H C
ARNOLD OIL COMPANY
ARNOLD THOMAS
ARRINGTON OIL & GAS OPERATING LLC
ARROW GEOPHYSICAL DRILLING LP
ARROWHEAD EXPLORATION CO
ARROWHEAD OPERATING LLC
ARROWHEAD RESOURCES USA LTD
ARTEMIS OIL & GAS, LLC
ASA OIL COMPANY
ASAMERA OIL US INC
ASCENT OPERATING INC
ASH WILL P
ASHBY JOHN B
ASHER ASSOCIATES INC
ASHLAND EXPLORATION
ASHLAND OIL AND REFINING COMPANY
ASHLAND OIL INC
ASHMUN AND HILLIARD
ASPECT RESOURCES LLC
ASPEN EXPLORATION CO
ASPEN OPERATING LLC
ASPIRA LLC
ASSOCIATED O AND G
ATASCA RESOURCES INC
ATHA HOWARD
ATKINSON W E
ATLANTIC INTERNATIONAL
ATLANTIC OIL AND GAS DEVELOPMENT LLC
ATLANTIC OIL COMPANY
ATLANTIC OIL CORPORATION
ATLANTIC REFINING COMPANY
ATLANTIC RICHFIELD COMPANY
ATLAS EXPLORATION CO
ATLAS OPERATING LLC
ATOMIC OIL & GAS LLC
ATR ENERGY CORP
ATWOOD SHIRLEY E
ATX ENERGY PARTNERS LLC
AUBREY GEORGE
AUC LLC
AUGUSTUS ENERGY PARTNERS LLC
AURORA CONSOLIDATED OIL CO
AURORA GASOLINE COMPANY
AURORA MINERALS INC
AUSTRAL OIL CO INC
AVALON ENERGY CORPORATION
AVERETT W J CONSULTANT
AVERY MORRIS R
AVIVA INC
AXEM RESOURCES INC
AXIA ENERGY III LLC
AXIOM ENERGY LLC
AZALEA OIL COMPANY LLC
AZTEC ENERGY CORPORATION
AZTEC GAS AND OIL CORPORATION
AZTEC OIL AND GAS CORPORATION

B

B & B DRILLING
B & D DRILLING COMPANY
B AND C PUMPING
B AND H ENTERPRISES COMPANY
B AND I OIL COMPANY LTD
B AND L DRILLING
B AND M HOLE SERVICE
B J OIL COMPANY
B M INC
B3T LLC
BACHELLOR
BACON DUANE D
BACON J R DRILLING INC
BADGER EXPLORATION
BADGER OIL
BADGER OIL CORPORATION
BADLANDS SHOT HOLE S
BAGDAD OIL ETAL
BAGEWELL DONALD L
BAILEY JOE W
BAIR OIL COMPANY
BAKER DILLARD B
BAKER DRILLING
BAKER EXPLORATION COMPANY
BAKER HOWARD D
BAKER HUGHES OILFIELD OPERATIONS INC
BAKER OIL CO
BAKER REX AND DOROUGH THOMAS G
BAKER ROBERT
BAKKE W E
BALCONES INC
BALDES HENRY
BALES CONRAD E
BALES J W
BALIDOR OIL & GAS LLC
BALLARD AND CORDELL COMPANY
BALLARD PETROLEUM HOLDINGS LLC
BALSAM R C
BANDER AND COUCH
BANDERA ENERGY COMPANY
BANDING M R INC
BANEY WELL SERVICE INC
BANKS AND CONRAD
BANKS OPERATING COMPANY
BANNER OIL CO INC
BANNON ENERGY INC
BANTA AND HAIGH
BARB WIRE ENERGY LLC
BARBE D F
BARBER OIL EXPLORATION
BARETO ENERGY LLC
BARKER JR LAWRENCE
BARLOW AND HAUN INC
BARMORE NED
BARN OWLS LLC
BARNETTE PROPERTIES
BARNHART DRILLING CO INC
BARNHOLT AND SIERRA PETROLEUM CORP
BARREL SPRINGS DEVELOPMENT CORP
BARRETT ENERGY COMPANY
BARRETT ENERGY LLC
BARRETT PATRICK
BARRICK EXPLORATION COMPANY
BARRON KIDD AND CHERRY A W
BARRON KIDD ET AL
BARSON BROTHERS
BASF CORPORATION
BASIN OIL & GAS OPERATING LLC
BASIN OIL COMPANY
BASIN PIPE AND SUPPLY
BASIN RESOURCES CORPORATION
BASOCO TRUST
BASS ENTERPRISES PRODUCTION CO
BASS PERRY R
BASS PETROLEUM INC
BATAA OIL INC
BATE RICHARD H
BATES CREEK OIL
BATTA OIL
BATZER OIL CORPORATION
BAUM J E
BAUMGARTNER F W
BAXTER DRILLING
BAXTER F R
BAY PETROLEUM
BAYLESS ROBERT L PRODUCER
BAYSWATER EXPLORATION & PRODUCTION LLC
BAYTEX ENERGY USA LLC
BCE-MACH LLC
BCH ENTERPRISES
BE OIL INC
BEACH AND TALBOT
BEADLE H O
BEAR CLAW OIL AND GAS LLC
BEAR OIL AND GAS INC
BEAR PEAK RESOURCES LLC
BEAR RIVER OIL
BEARCAT ENERGY LLC (COLORADO)
BEARCAT PETROLEUM INC
BEARD JOHN M
BEARD OIL COMPANY
BEARTOOTH OIL AND GAS CO
BEAVER CREEK OIL ASSC
BEAVER DIVIDE OIL CO
BEAVER MESA EXPLORATION CO
BEAVER OIL
BEAVERS T A
BECK OIL COMPANY
BECKER CLYDE M JR
BECKER OIL COMPANY
BEERSHEBA OIL
BELCO ENERGY CORPORATION
BELDEN & BLAKE CORPORATION
BELDING OIL
BELFER NATURAL GAS
BELL & KREAR
BELL RESOURCES INC
BELLEVIEW CAPITAL CORPORATION
BELLEVUE RESOURCES INC
BENCHMARK ENERGY LLC
BENCO
BENEDUM PAUL G
BENEDUM-TREES OIL COMPANY
BENEFICIAL OIL
BENNETT PETROLEUM CORPORATION
BENSON-MONTIN-GREER DRLG CORP
BENT GROVE LLC
BENTEX OIL - PLYMOUTH OIL
BENTON OIL
BEPCO LP
BERCO RESOURCES LLC
BEREN CORPORATION
BERENERGY CORPORATION
BEREXCO INC
BERG AND WASSON
BERGGREN J L
BERNARD ALBERT
BERRY PETROLEUM
BERRY PETROLEUM COMPANY
BERRY R GARVIN JR
BERTHOL CORP
BERTRAM DRILLING INC
BESTOSO OIL & GAS INC
BETA EXPLORATION
BETA OIL & GAS INC
BETA OIL COMPANY INC
BETA OIL CORPORATION
BETOP INC
BETTIS & SHEPHERD
BETTY OIL & DEVELOPMENT
BETZ OIL INC
BEVERLY J A
BF ALLISON ETAL
BHB OIL PARTNERS LLC
BHP PETROLEUM (USA) INC
BHP PETROLEUM COMPANY INC
BIG BASIN OIL INC
BIG BASIN PETROLEUM LLC
BIG CHIEF EXPLORATION
BIG D HOLE PLUGGING
BIG FOUR OIL CO
BIG GOOSE OIL COMPANY
BIG HORN BASIN DEVELOPMENT INC
BIG HORN DEVEL & SIDAL CANAL
BIG HORN OIL & GAS
BIG HORN PETROLEUM
BIG INDIAN OIL COMPANY
BIG MUDDY OPERATING LLC
BIG PINEY OIL & GAS COMPANY
BIG SIOUX OIL COMPANY
BIG SNOWY RESOURCES LP
BIG WELLS ENERGY CORP
BIG WEST OIL & GAS
BIGHORN EXPLORATION PARTNERS LLC
BIGHORN GAS OPERATING LIMITED PARTNNER
BIGHORN-POWDER RIVER
BILL BARRETT CORPORATION
BILLINGS MELVIN E
BING HAROLD C
BIRCHBY E E
BIRD OIL CORPORATION
BIRD SEISMIC SERVICES INC
BIRDSALL E M & FISCHER GEORGE
BISON BASIN OIL
BISON IV OPERATING LLC
BISON OPERATING LLC
BISSELL OIL OPERATING CO INC
BITTERROOT ENERGY PARTNERS LLC
BIVENS C E
BLACK ACE
BLACK BANK LLC
BLACK BEAR OIL CORPORATION
BLACK BISON #1 LEMAY SWD LLC
BLACK BUTTE GAS COMPANY
BLACK COAL RESOURCES COMPANY
BLACK DIAMOND ENERGY INC
BLACK DIAMOND ENERGY OF DELAWARE INC
BLACK GOLD SERVICES INC
BLACK HAWK RESOURCES CORPORATION
BLACK HILLS DRILLING COMPANY
BLACK HILLS ENERGY RESOURCES INC
BLACK HILLS EXPLORATION & PRODUCTION INC
BLACK HILLS OIL & GAS INC
BLACK HILLS WYOMING GAS LLC
BLACK ISLAND RESOURCES USA INC
BLACK JACK OIL CO INC
BLACK OAK ENERGY LLC
BLACK OIL COMPANY
BLACK THUNDER OIL LLC
BLACKBURN ENTERPRISE
BLACKBURN W C
BLACKFORD ENERGY
BLACKJACK OIL INC
BLACKMAN W E
BLACKMORE R B
BLACKSTONE ENERGY INC
BLACKSTONE OPERATING INC
BLACKWELL W R
BLAKE C A
BLAKE PRODUCTION LLC
BLANCA OIL & REFINING CO
BLANCO OIL & REFINING
BLANKENSHIP OIL & DEVELOPMENT
BLM
BLOCKER ENERGY CORP
BLONQUIST THOMAS R
BLUE CREEK INC
BLUE RIBBON OIL
BLUE RIDGE OIL
BLUE SPRUCE OPERATING LLC
BLUE TIP ENERGY WYOMING INC
BLUEBONNET ENERGY CORPORATION
BLUECREEK ENERGY INC
BLUEGRASS COAL DEVELOPMENT COMPANY
BLUESKY OIL & GAS INC
BNL (PERCY CREEK)
BOARDWALK PETROLEUM
BOARS TUSK OIL COMPANY
BOCK & JACKSON
BOCK GERALD
BOEKEL R G
BOELENS WELL SERVICE LLC
BOGGY CREEK PRODUCTION
BOHE DAVID SOLE PROP
BOLAND EDWARD M
BOLES BOLES & THOMAS
BOLES JACK ETAL
BOLES-HOLLAWAY
BOLYARD OIL & GAS LTD
BOMAC EXPLORATION COMPANY
BOMAR DRILLING CORPORATION
BOMAR EXPLORATION
BONANZA CREEK OIL COMPANY LLC
BONANZA EXPLORATION CO
BONANZA OIL COMPANY
BOONE DRILLING COMPANY
BOPCO LP
BORCHERT R V
BORDEAUX PETROLEUM CO
BORGIALLI
BOULDER PETROLEUM COMPANY
BOWDEN ENERGY COMPANY INC
BOWER PETROLEUM SERVICE INC
BOWER PROPERTIES II LLC
BOWER PROPERTIES LLC
BOWERS OIL & GAS INC
BOWSER PARK & SATTERFIELD W H
BOX H RESOURCES
BOYD EXPLORATION
BOYDSTON
BOYSEN LAKE RENTAL COMPANY
BP AMERICA PRODUCTION COMPANY
BP EXPLORATION INC
BP PRODUCTION COMPANY LLC
BRACK BEN F
BRACK DRILLING COMPANY
BRADBURY OIL SYNDICATE
BRADCO OIL & GAS
BRADEN OIL
BRADEN-DEEM INC
BRADFORD OIL COMPANY
BRADLEY JR JACK C
BRADLEY MUHL & ASSOCIATES
BRADLEY SR JACK C
BRANEX RESOURCES INC
BRANNON OIL & GAS INC
BRANSON E B
BRAUM D F CO
BRAUN C F & CO
BRAVO RODUCING COMPANY
BRAZELL & WRATHER
BRECK OPERATING CORPORATION
BRECKENRIDGE GEOPHYSICAL LLC
BREDTHAUER HENRY
BREHM INVESTMENT GROUP INC
BREHM OIL
BREITBURN ENERGY COMPANY LLC
BREITBURN OPERATING L.P.
BRENNAN ENGINEERING & INSTRUMENTATION
BRENNAN OIL & GAS LLC
BRENT EXPLORATION
BREUER & CURRAN OIL COMPANY
BRIDGER COAL COMPANY
BRIDGER PETROLEUM CORP
BRIDWELL OIL COMPANY
BRIGGS & SARTAIN
BRIGGS ERNEST J E
BRIGGS H E
BRIGHAM OIL & GAS LP
BRIGHT AND COMPANY
BRIGHT ROCK ENERGY LLC
BRIGHTON ENERGY LLC
BRILL V A
BRINGOLF & BULLINGTON
BRISCOE PETROLEUM LLC
BRISTOL RESOURCES CORPORATION
BRITISH AMERICAN OIL
BROADBENT JOSEPH & R
BROME CHARLES L ETAL
BRONCO OIL & GAS CO
BROOKS EXPLORATION INC
BROOKS HALL & EQUITY RESOURCES CORP
BROOKS HALL OIL CORPORATION
BRORBY JOHN
BROSIUS O J & COMPANY
BROTHERS PETROLEUM LLC
BROWER OIL & GAS INC
BROWN & BICKERSTAFF
BROWN BONNIE
BROWN DOUG & LARITA
BROWN HERMAN
BROWN J K INC
BROWN JOHN
BROWN JOHN E & C INC
BROWN MAURICE J
BROWN OPERATING INC
BROWN SHIRLEY
BROWN TOM INC
BROYLES HARVEY
BRUNEL JOHN H
BRUNER BROTHERS
BRUNNER RONALD E & BARBARA J
BTA OIL PRODUCERS LLC
BUCHANAN WAYMAN W
BUCK CREEK FREIGHT INC
BUCK CREEK OIL COMPANY
BUCKEYE OIL
BUCKLEY THOMAS & ANNETTE
BUCKSKIN SERVICES
BUFFALO DRILLING COMPANY INC
BUFFALO FEDERAL SAVINGS BANK
BUFFALO RESOURCES LLC
BUFFALO TRAIL OIL
BULLOCK A O
BULLOCK GLADYS C TRUST
BUMMER BRUCE L
BUNKIRT J J OIL & GAS CORPORATION
BURAY LLC
BURCH H K
BURG ROBERT & FRED BOEKEL
BURK R M
BURK ROYALTY CO LTD
BURLINGTON NORTHERN
BURLINGTON RESOURCES OIL & GAS COMPANY L
BURNETT OIL CO INC
BURNS BOBBY M
BURNS OIL COMPANY
BURNSIDE OIL & GAS
BURR MORRISON W
BURR OIL & GAS INC
BURSH
BURTON
BURTSCHER A W
BUSBY ROBERT C
BUTCHER BROTHERS
BUTLER & SAUER SR
BUTLER OIL CO
BUTLER SAMUEL JR
BUTLER W
BUTTES GAS AND OIL
BUTTES OIL & GAS COMPANY
BUTTES RESOURCES COMPANY
BUTTONHOOK OIL
BUTTONWOOD PETROLEUM
BUTTRAM DORSEY
BUTTRUM OIL COMPANY
BW OIL LLC
BWAB INC
BXP OPERATING LLC
BXP PARTNERS IV LP
BYERS D E L
BYRON OIL INDUSTRIES INC

C

C & B OIL COMPANY
C & F CONSTRUCTION COMPANY
C & H OIL & GAS INC
C & H WELL SERVICING INC
C & K PETROLEUM
C & S OPERATING COMPANY LLC
C & W ASSOCIATES
C AND M OIL INC
C B Q RAILROAD
C G G AMERICAN SERVICE
C M & W DRILLING
C M OIL & GAS CORPORATION
CABEEN EXPLORATION
CABOT OIL & GAS CORPORATION
CACTUS PETROLEUM COMPANY
CAERUS BIG HORN LLC
CAERUS NORTHERN ROCKIES LLC
CAIRNS T R
CAL-KOTA OIL COMPANY INC
CALAIS RESOURCES INC
CALAND PETROLEUM CORP
CALCO INC
CALDWELL WALTER D
CALGARY PETROLEUM INC
CALIFORNIA COMPANY THE
CALIFORNIA EXPLORATION CO
CALLAWAY OIL & GAS LLC
CALLAWAY WILLIAM O
CALLISTER JAN E
CALLISTER PAUL S
CALPINE NATURAL GAS LP
CALSTAR ENERGY GROUP LLC
CALVERT DRILLING
CALVERT HORACE K
CALVIN PETROLEUM CORPORATION
CAMBRIA CORPORATION
CAMBRIA OIL COMPANY
CAMCO OPERATING LLC
CAMECO RESOURCES
CAMERON ENGINEERS & MARATHON OIL
CAMMERAN PETROLEUM INC
CAMP JOHN F & SONS
CAMPBELL EARL E
CAMPBELL JOHN T
CAMPBELL R D
CAMPBELL WARD
CAMWEST II LP
CAMWEST LIMITED PARTNERSHIP
CAN AM ENERGY INC
CANADA SOUTHERN OIL
CANADIAN 88 ENERGY USA INC
CANNON T Y
CANNON WM J ET AL
CANSO OIL & GAS INC
CANTON OIL
CANUS PETROLEUM INC
CANVASBACK RESOURCES, LLC
CANYON SMITH HOLDINGS LLC
CAPERTON GENE
CAPILANO GEOPHYSICAL
CAPITAL CITY PETROLEUM LLC
CAPITAL VENTURES INC
CAPITAN OPERATING LLC
CAPITOL DRILLING & SERVICE CO
CAPITOL OIL & GAS CORPORATION
CAPPS JACK W
CAPSHAW JIM
CARBIDE INTERNATIONAL
CARBON CREEK ENERGY LLC
Carbon GeoCapture Corp
CARBON WYO OIL COMPANY
CARBONIT EXPLORATION
CARDEN C T
CARDINAL DONALD F
CARDINAL NATURAL RESOURCES LP
CARDINAL PETROLEUM COMPANY
CARDINAL WYOMING LLC
CAREY DERBY MCBRIDE
CARIBOU FOUR CORNERS INC
CARL CO INC
CARL MILES PETROLEUM CO ETAL
CARL WILLIAM E
CARLSON A J
CARLSON PETROLEUM COMPANY
CARMACK AND CRAWFORD
CARNELL E F
CARNEY INC
CARNEY THOMAS
CAROL-HOLLY OIL CORPORATION
CAROLLA AND HAY
CARPENTER AND SONS INC
CARPENTER DEVELOPMENT INC
CARPENTER M L
CARR AND WRATH
CARRIZO OIL & GAS INC
CARRL OIL & GAS
CARROLL C G ETAL
CARROLL J KIRK
CARSON REX
CARTER A A
CARTER MINING COMPANY
CARTER OIL COMPANY
CARVER HARRY
CASCADE OIL
CASCO PETROLEUM CORPORATION
CASEY E M
CASPER BOLTON CREEK
CASPER COUNTRY CLUB
CASPER OIL & GAS SYNDICATE
CASSIDY AMERICAN RESOURCES LLC
CASTBERG JAMES P
CASTELL OPERATING COMPANY LLC
CASTEX ENERGY
CASTLE EXPLORATION COMPANY INC
CASTLE ROCK OIL LLC
CAT OIL
CATAMOUNT EXPLORATION
CATHERINE NO 1 LLC
CATTERSON PAUL F & ANDERSON JOHN R
CAULKINS OIL COMPANY
CAVALIER EXPLORATION INC
CAYMAN CORPORATION
CAYWOOD DRILLING
CAZA EXPLORATION COMPANY
CCRP OPERATING INC
CDX GAS LLC
CDX ROCKIES LLC
CEDAR RESOURCES CORPORATION
CEDAR RIDGE OPERATING CO LLC
CEJA CORPORATION
CELERON OIL & GAS COMPANY
CELSIUS ENERGY COMPANY
CENERGY RESOURCES LLC
CENEX
CENTAUR OIL COMPANY
CENTENNIAL ENERGY
CENTENNIAL PETROLEUM CO
CENTENNIAL VALLEY OIL CO
CENTRAL OIL COMPANY
CENTRAL OPERATING INC
CENTRAL PETROLEUM AND DEVEL
CENTRAL PRODUCTION
CENTRAL RESOURCES INC
CENTRAL STATES DRLG CORP
CENTRAL WEST OIL COMPANY
CENTRAL WYOMING ASSC
CENTRAL WYOMING RESOURCES LTD
CENTURY ENERGY
CENTURY OIL & GAS CORPORATION
CENTURY OIL AND GAS LLC
CENTURY OIL AND GAS SOUTH LLC
CENTURY PRODUCTION INC
CEP-M PURCHASE LLC
CERELLI PETROLEUM INC
CGC-SC LLC
CGG LAND US INC
CH4 ENERGY LLC
CHACO ENERGY COMPANY
CHADRON OSAGE OIL
CHALLENGE OIL CO LTD
CHALMETTE PETROLEUM CORP
CHAMBERS JERRY
CHAMPION VENTURES INC
CHANCELLOR & DOLEZAL
CHANDLER ENERGY LLC
CHANDLER SIMPSON INC
CHAPARRAL ENERGY LLC
CHAPARRAL RESOURCES INC
CHAPARRAL RESOURCES LLC
CHAPMAN BILL JR
CHAPMAN C H
CHAPMAN EXPLORATION INC
CHAPMAN HARRY ALLEN
CHAPMAN OIL COMPANY
CHAPPELL OIL COMPANY
CHARBONNEAU JAKE
CHARGER RESOURCES LLC
CHARLTON RESOURCES CORP
CHARTER OIL COMPANY
CHASE EDWIN
CHASE OIL CORPORATION
CHATHAM OIL COMPANY
CHEBUL WILLIAM
CHEETAH OIL INC
CHEMILY MANAGEMENT COMPANY
CHENO OIL CO
CHEROKEE OIL PRODUCTION INC
CHERRY & DESANDRO
CHERRY A W
CHESAPEAKE AEZ EXPLORATION LLC
CHESAPEAKE EXPLORATION LLC
CHESAPEAKE OPERATING LLC
CHESTER OIL COMPANY
CHEVRON USA INC
CHEYENNE PETROLEUM COMPANY LP
CHEYENNE RIVER LLC
CHICAGO CORPORATION THE
CHICKAWA OIL
CHICKEN CREEK LLC
CHINOOK PIPELINE INC
CHIPCORE LLC
CHIPPEWA OIL & GAS INC
CHISM L S
CHITTIM CHARLES B
CHOCTAW II OIL & GAS LTD
CHORNEY OIL CO
CHORNEY RAYMOND ESTATE
CHRISCOR OIL & GAS
CHRISTENSEN C G
CHRISTENSEN RANCH
CHRISTIANA OIL CORP
CHRISTIANSON LEROY
CHRISTMANN JOHN J
CHS MCPHERSON REFINERY INC
CHUGWATER OIL & GAS
CIG EXPLORATION
CIMA RESOURCES LLC
CIMAREX ENERGY CO
CIMARRON DRILLING
CIMARRON OPERATING
CINCO NATURAL RESOURCES CORP
CINNAMON CREEK OIL & GAS INC LLC
CIRCLE A DRILLING CO INC
CIRIS ENERGY INC
CIRQUE BRENNSEE LLC
CIRQUE RESOURCES LP
CITATION OIL & GAS CORPORATION
CITY OF GILLETTE
CITY OF ROCK SPRINGS
CKT ENERGY LLC
CLARETON OIL DRILLING
CLARK CANADIAN EXPL CO
CLARK OIL & GAS INC
CLARK OIL & REFINING CORPORATION
CLARK OIL PRODUCING COMPANY
CLARK T N
CLARKE INTERESTS
CLASSIC MINING CO
CLAUSSEN DEAN R
CLAY'S CONSULTING LLC
CLAYCOMB FORREST C
CLAYTON OIL CO
CLC OPERATIONS INC
CLEAN HARBORS EXPLORATION SERVICES INC
CLEAR CREEK PARTNERS LLC
CLEAR CREEK STORAGE COMPANY LLC
CLEARY PETROLEUM
CLEAVER LORRAINE
CLEVELAND WYOMING OIL CO
CLIBURN JAMES T
CLIFF PETROLEUM CO
CLINE PRODUCTION COMPANY
CLINTON OIL COMPANY
CLOUD PEAK OPERATING LLC
CLUB OIL & GAS INC
CLX ENERGY INC
CM PRODUCTION LLC
CMR INCREMENTAL SUB II LLC
CMS OIL & GAS COMPANY
CNOOC ENERGY U S A LLC
CNX GAS COMPANY LLC
COAL CREEK MINERALS LLC
COALEUM CORPORATION
COASTAL CHEM INC
COASTAL OIL & GAS CORPORATION
COBRA OIL & GAS CORPORATION
COCKBURN BARNEY
COCKBURN HOBART
COCKRELL OIL CORP
CODY ENERGY INC
CODY OIL & GAS COMPANY
CODY PETROLEUM CO
COFFEY LEWIS G
COGEMA MINING INC
COHORT ENERGY COMPANY
COLE JACK A
COLE W J
COLEMAN OIL & GAS INC
COLLING EDWARD C
COLLINS & WARE INC
COLLUMS JAMES D
COLLUMS STEVENS BOYD
COLORADO OIL & GAS CORPORATION
COLORADO OIL COMPANY
COLT RESOURCES CORPORATION
COLTRANE CHARLES
COLUMBIA GAS DEVELOPMENT
COLUMBIAN FUEL CORPORATION
COLUMBINE EXPLORATION CORP
COLUMBUS ENERGY CORPORATION
COLUMBUS PRODUCTION INC
COMANCHE OIL & GAS CORP
COMBINED OIL & GAS
COMBS DEVELOPMENT CO
COMDISCO EXPLORATION INC
COMET ENERGY SERVICES LLC
COMET OIL
COMINCO AMERICAN INC
COMMERCIAL OIL CORP
COMMON ENERGY INC
COMMONWEALTH ENERGY INC
COMPASS EXPLORATION INC
COMSTRA INC
CONCHO PETROLEUM CO
CONCHO RESOURCES INC
CONCORD PRODUCED WATER SERVICES LLC
CONDOR EXPLORATION LLC
CONEJOS CORP
CONLEY & ASSOCIATES INC
CONLEY H W
CONNAGHAN ROBERT J
CONNELL D
CONNELLY VAUGHN B
CONNOLLY LAND & OIL
CONNOR TANK COMPANY
CONOCO INC
CONOCOPHILLIPS COMPANY
CONPETRO INC
CONQUEST EXPLORATION
CONQUEST OIL COMPANY
CONRAD CLAYTON R
CONROY INC
CONSOLIDATED OIL & GAS INC
CONSOLIDATED OIL PROPERTIES
CONSOLIDATED ROYALTY OIL CO
CONTANGO RESOURCES LLC
CONTANGO ROCKY MOUNTAIN INC
CONTINENTAL INDUSTRIES LC
CONTINENTAL OIL PRODUCING CO
CONTINENTAL OPERATING CO
CONTINENTAL PRODUCTION CO LLC
CONTINENTAL RESOURCES INC
CONTINENTAL TREND RESOURCES
CONTINENTAL WEST RESOURCES INC
CONVERSE GAS & OIL COMPANY
CONVEST ENERGY CORPORATION
CONWAY OIL COMPANY
CONWEST EXPLORATION DELAWARE INC
COOK D L
COOK JR V E
COOK R A
COOPER PETROLEUM INC
COORS ENERGY COMPANY
COPELAND J C
COPENHAGEN OIL INC
COQUINA OIL CORPORATION
CORAL PRODUCTION CORPORATION
CORBIN ENERGY CORP
CORDELL MICHAEL
CORDER OIL COMPANY
CORDERO MINING CO
CORDERO MINING LLC
CORDERO OIL AND GAS LLC
CORDILLERA CORPORATION
CORE EXPLORATION
CORK PETROLEUM CORPORATION
CORKILL DRILLING CORPORATION
CORNERSTONE NATURAL RESOURCES LLC
CORONADO OIL COMPANY
CORRIDA OIL INC
CORTEZ ENERGY INC
COSDEN PETROLEUM
COSMOS JOINT VENTURE
COSNER CBM LLC
COSTELLO LOU
COSTILLA ENERGY INC
COTTON PETROLEUM CORPORATION
COTTONWOOD OIL INC
COUCH DRILLING COMPANY INC
COULSTON DRILLING COMPANY
COULTER OIL & GAS LLC
COW GULCH OIL COMPANY
COWAN OIL COMPANY
COWBOY CLEAN FUELS LLC
COWBOY ENTERPRISES
COX EDWIN L & BERRY R
COX KENDALL JAY
COX OIL & GAS INC
COX R D
COYOTE EXPLORATION COMPANY
COYOTE HILL MIDSTREAM LLC
CP RESOURCES LLC
CPX II OPERATING LLC
CPX PICEANCE HOLDINGS LLC
CR ENERGY
CRA INC
CRABTREE OIL & GAS
CRAIG GEORGE
CRAIG OIL
CRAIG SCOTT
CRAMER OIL COMPANY
CRANLYN EXPL CO INC
CRAWLEY PETROLEUM CORPORATION
CRAZY MOUNTAIN GROUP LLC
CREE CO
CREEK OIL COMPANY
CRESCENT OIL & GAS CORPORATION
CREST RESOURCES INC
CRESTONE ENERGY
CRIBBS GARY D CRIBBS EXPLORATION
CRIMM DRILLING INC
CRITERION OIL COMPANY
CROFF OIL COMPANY
CROLL ETAL
CRONIN J A
CROSSFIRE CORPORATION
CROW CREEK OPERATING CO
CROWELL'S JOYCE CORPORATION
CROWHEART ENERGY LLC
CROWN CENTRAL PETROLEUM CORP
CROWN ENERGY PARTNERS LLC
CROWN OIL & GAS CO INC
CROWN OIL & MINERALS INC
CRUDE OIL PRODUCERS
CRUMMETT
CRUSADER CORPORATION
CRYSTAL EXPLORATION & PRODUCTION COMPANY
CRYSTAL OIL COMPANY
CSG EXPLORATION CO
CSX OIL & GAS CORPORATION
CUMBERLAND DOME OIL COMPANY
CUMBERLAND OPERATING LLC
CUMMINS
CUNDY R L
CUNNINGHAM C D
CUNNINGHAM OIL COMPANY
CURETON DEAN
CURRY OIL
CURRY WILLIAM H
CURTIS & RYDER
CURTIS & STRAITIFF
CURTIS ETAL
CURTIS H D
CURTIS ORLANDO
CUSTOM ENERGY CONSTRUCTION INC
CYANOSTAR ENERGY INC
CYPRESS PRODUCTIONS INC
CYPRUS MINES CORP
CZAR RESOURCES INC

D

D & B OIL COMPANY
D & D CONTRACT PUMPING INC
D & D DRILLING COMPANY
D & J OIL COMPANY
D & K RESOURCES
D & R INVESTMENTS
D & V INVESTMENT INC
D & W OIL & GAS
D AND L OIL CO INC
D K COOK HEIRS LLC
D M CONSULTING INC
D W J OIL
D90 ENERGY LLC
DABROS PROPERTIES INC
DAC OPERATING COMPANY
DAHILL MURRAY P
DAHLGREN CONSULTING INC
DAKOMING OIL COMPANY
DAKOTA DEVELOPMENT COMPANY
DAKOTA EXPLORATION LLC
DAKOTA INTERNAT'L PETROLEUM INC
DALCO OIL COMPANY
DALE GAS EXPLORATION 1975-G LTD
DALEN RESOURCES OIL & GAS CO
DALLAS DOME OIL COMPANY
DALTON DRILLING CO
DAMSON OIL CORPORATION
DANCER W J
DANIEL GEOPHYSICAL
DAR LLC
DARITA ENTERPRISES
DARRAH JOHN JAY JR
DART INC
DATA BIG HORN BASIN
DAUBE COMPANY THE
DAVENPORT C D
DAVENPORT DEE
DAVEY CORPORATION
DAVIDOR & DAVIDOR INC
DAVIS & THAREL
DAVIS & WHEATLEY
DAVIS BOB & DON
DAVIS BOBBY J
DAVIS CHARLES B
DAVIS EXPLORATION
DAVIS L W
DAVIS M E
DAVIS MARK J
DAVIS OIL COMPANY
DAVIS PETROLEUM CORPORATION
DAVIS WALTER G
DAWSON GEOPHYSICAL C
DAWSON JOHN
DAWSON RESOURCES INC
DAY EDMISTON MINAHAN
DAY SAM
DC OIL & GAS I LLC
DCD INC
DDR OPERATING & SALVAGE INC
DEADWOOD OSAGE OIL
DEAN DRILLING CO
DEBCO INC
DEBORD OIL PRODUCERS
DECA ENERGY CORPORATION
DECALTA INTERNATIONAL CORP
DECLUE DONALD E
DEEP CREEK OIL & GAS LLC
DEEP ROCK OIL CORP
DEERFIELD OIL CORP
DEGAUGH WELL SERVICE INC
DEKALB ENERGY COMPANY
DELANEY E F
DELANEY JR WA
DELAPHIN ENERGY RES I LLC
DELFERN OIL COMPANY
DELGADO OIL COMPANY
DELHI OIL CORP
DELHI-TAYLOR OIL CORP
DELTA DRILLING COMPANY
DELTA EXPLORATION COMPANY INC
DELTA PETROLEUM CORPORATION
DELUCA HOLDINGS LLC
DEMC HAMLEY
DEMC OIL
DENBURY ONSHORE LLC
DENTON H E
DENVER CLARION RESOURCES
DENVER DOME COMPANY
DENVER WILLISTON CORPORATION
DEPARTMENT OF ENERGY
DEPCO INC
DERBY DOME WYO OIL CO
DEREK RESOURCES USA INC
DERRICK EXPLORATION INC
DES MOINES OSAGE GAS & OIL CO
DESERT MINING INC
DEUEL ARCH W
DEVELOPMENT DRILLING LLC
DEVILS TOWER ENTERPRISES
DEVLAN EXPLORATION CO WYO INC
DEVON ENERGY OPERATING CORPORATION
DEVON ENERGY PRODUCTION COMPANY LP
DEVON SFS OPERATING INC
DEVTEK INC
DEWITT STONE & KEELINE SYNDICATE
DIAMOND ALKALI
DIAMOND B INDUSTRIES INC
DIAMOND OIL & GAS LLC
DIAMOND PEAK ENERGY INC
DIAMOND S ENERGY COMPANY
DIAMOND SHAMROCK CORPORATION
DIAMOND SHAMROCK EXPLORATION COMPANY
DIAMONDBACK OIL CORPORATION
DIAMONDBACK OIL PARTNERS LLP
DIASU OIL & GAS CO INC
DICE PETROLEUM
DIETRICH RESOURCES CORPORATION
DIGGS JR MARSHALL R
DIGICON GEOPHYSICAL
DILLARD A R JR
DISCOVERY ACQUISITION SERVICES LLC
DISCOVERY OIL LTD
DISCOVERY PROPERTIES
DISCOVERY RESOURCES LLC
DITTUS- DAKOTA SWINDLER & AIMONETTO
DIVERSIFIED OPERATING CORP
DIVIDEND OIL & REFINERIES INC
DIXEL RESOURCES INC
DIXIE GENERAL BELL TRUST
DIXILYN CORPORATION
DIXON EXPLORATION INC
DIXON WILLIAM G
DJ RESOURCES 2 LP
DJ RESOURCES INC
DJB&L LLC
DJR TRUST
DK TRADING SUPPLY LLC
DKM RESOURCES INC
DKS ENERGY LLC
DMJ ENTERPRISES INC
DNR OIL & GAS INC
DOHENY E L
DOHENY PATRICK
DOL RESOURCES INC
DOLAR ENERGY LLC
DOLAR OIL PROPERTIES LC
DOLEZAL GEORGE JR
DOLPHIN DRILLING
DOLPHIN ENERGY CORPORATION
DOME PARTNERS
DOME PETROLEUM CORPORATION
DOMINION EXPLORATION & PRODUCTION INC
DOMINION OKLAHOMA TEXAS EXPL & PROD INC
DOMINO-BESSEMER
DON & JUDY RAWHOUSER
DON TOM
DONNELL DRILLING
DONOGHUE JAMES
DORCHESTER EXPLORATION INC
DORNACHER JOSEPH F
DOUBLE EAGLE ENERGY ROCKIES LLC
DOUBLE EAGLE LLC
DOUD LAND COMPANY LLC
DOUGLAS & GAUNTT INC
DOUGLAS CORP
DOUGLAS EXPLORATION LLC
DOUGLAS FRANCIS E
DOUGLAS JR L W
DOUGLAS OIL FIELDS
DOW & MCHUGH
DOW GLENN A
DOWNEY A M
DPLA
DREHER WILLIAM L
DREILING LTD
DRILLING & SERVICE INC
DROWN J W
DRW OPERATING INC
DRWENSKI VERNON R
DRY CREEK OIL COMPANY
DRY LAKE OIL CO
DRYER AND RICE
DUBUQUE WYOMING SYNDICATE
DUDLEY & ASSOCIATES LLC
DUER WAGNER & COMPANY
DUFFIELD O F
DUGAN PRODUCTION CORP
DUGGER WILLIAM L JR
DUNBAR DRILLING COMPANY
DUNBAR JOSEPH R
DUNBAR O D
DUNBAR WELL SERVICE
DUNCAN ENERGY COMPANY
DUNCAN OIL INC
DUNCAN VINCENT J
DUNCAN WALTER
DUNFORD G PARK
DUNHAM TED F
DUNN & SHANOR
DUNOCO INC
DURAND DRILLING
DURANGO PRODUCTION COMPANY INC
DURST J J
DUSTY MAC RESOURCES
DYCO PETROLEUM CORPORATION
DYER J G
DYER ST
DYNA RAY OIL & GAS CO INC
DYNACO INC

E

E & B NATURAL RESOURCES MANAGEMENT
E & N OIL AND GAS INC
E L K OIL COMPANY
E P OPERATING CO
EAGLE EXPLORATION COMPANY
EAGLE GEOPHYSICAL ONSHORE INC
EAGLE HIGH HOLEPLUGGING
EAGLE OIL & GAS COMPANY
EAGLE PEAK ENERGY LLC
EAGLE SPECIALTY MATERIALS LLC
EAGLESTON T W
EARLE G W
EARTH SCIENTISTS LTD
EARTH TECHNOLOGY CORPORATION
EARTHSTONE ENERGY INC
EARTHSTONE OPERATING LLC
EAS OIL & GAS LLC
EASON OIL COMPANY
EAST RESOURCES INC
EAST RESOURCES MANAGEMENT LLC
EAST-WEST PETROLEUM CO
EASTERN AMERICAN ENERGY CORP
EASTERN MINERALS CORPORATION
EASTERN PETROLEUM CO
EATON E C
EBEN OPERATING CO LLC
EBERSPECHER DRILLING INC
EBERSPECHER R M
EBERSPECHER W R
EBLEN FRANK SYNDICATE INC
EBLEN THOMAS
ECC OIL COMPANY
ECHO OIL CORPORATION
EDCO RESEARCH ASSOCIATION
EDGE ENERGY II LLC
EDMISTON GLADYS
EDWARDS LEE N
EDWARDS MIKE DAVIS LLC
EDWARDS OPERATING COMPANY LLC
EEX CORPORATION
EGERT HENRY L
EKLUND MIKE & LARRY
EL CAPITAN OIL CO
EL PASO EXPLORATION
EL PASO NATURAL GAS COMPANY
EL PASO PRODUCTION OIL & GAS CO
EL PASO PRODUCTS COMPANY
ELAND ENERGY INC
ELEPHANT ASSETS LLC
ELEPHANT OPERATING LLC
ELF AQUITAINE INC
ELK ENERGY CORPORATION
ELK OIL & GAS COMPANY
ELK PETROLEUM INC
ELKHORN OIL COMPANY
ELLBOGEN JOHN P LTD
ELLER H M
ELLIOTT & WATERMAN
ELLIOTT PAT J & KELLY WARREN JR
ELLIOTT PATRICK J
ELLIOTT PROPERTIES
ELLIOTT TED
ELLIOTT TED & DWIGHT
ELLWOOD EXPLORATION LLC
ELM RIDGE EXPLORATION CO LLC
ELTON OIL COMPANY
ELYSIUM NATURAL RESOURCES LLC
EMANUEL ROBERT
EMBAR OIL COMPANY
EMC ENERGIES INC
EMC ENERGY
EMC INC
EMCOR PETROLEUM INC
EME WYOMING LLC
EMEP II ACQUISITIONS LLC
EMEP II OPERATING LLC
EMERALD FRONTIER OPERATING
EMERALD OPERATING COMPANY
EMERALD RESTORATION & PROD
EMERY OIL COMPANY
EMMETT ENERGY CORPORATION INC
EMPIRE PETROLEUM COMPANY
EMPIRE PETROLEUM CORPORATION
EMPIRE STATE OIL
EMRE OIL LLC
EMTAK OIL COMPANY
ENCANA ENERGY RESOURCES INC
ENCORE GREEN ENVIRONMENTAL TECHNOLOGIES
ENCORE NATURAL RESOURCES LLC
ENCORE OPERATING LP
ENDEAVOR ENERGY LLC
ENDEAVOR ENERGY RESOURCES LP
ENDREX CORPORATION
ENDURING ENERGY LLC
ENDURO OPERATING LLC
ENEREX LIMITED LIABILITY CO
ENEREX LLC
ENERGAS CORPORATION
ENERGEN RESOURCES MAQ INC
ENERGETICS INC
ENERGEX INC
ENERGX LTD
ENERGY EQUITY COMPANY
ENERGY GROUP LLC
ENERGY INVESTMENTS INC
ENERGY LANDLEASE CORP
ENERGY METHODS CORPORATION
ENERGY MINERALS CORPORATION
ENERGY OPERATING COMPANY INC
ENERGY OPERATING CORPORATION
ENERGY PRODUCTION CO
ENERGY RESERVES GROUP
ENERGY RESOURCES INC
ENERGY RESOURCES LLC
ENERGY SEARCH COMPANY INC
ENERGY SPECIALISTS
ENERGY STATES HOLE PLUGGING
ENERGY TRANSFER CRUDE MARKETING LLC
ENERGYTEC INC
ENERTEC GEOPHYSICAL
ENERVEST ENERGY L P
ENERVEST OPERATING LLC
ENGEL JOHN W & ASSOCIATES
ENGLAND ENERGY LLC
ENGLEHART RAY L
ENGLISH H O
ENHANCED OIL RECOVERY
ENKICH JERRY & ASSOCIATES
ENOS GEORGE
ENPRO LLC
ENRE LP
ENSERCO ENERGY INC
ENSIGN OIL & GAS
ENSOURCE INC
ENSTAR PETROLEUM INC
ENTEK GRB LLC
ENTERPRISE CRUDE OIL LLC
ENTERPRISE PETROLEUM INC
ENVIROSEARCH CORPORATION
EOG RESOURCES INC
EOG Y RESOURCES INC
EP ENERGY E & P COMPANY L P
EPOCH SOUTHWEST LLC
EPSTEIN JOHN
EQUALITY STATE BANK
EQUITABLE OIL CO LTD
EQUITABLE RESOURCES ENERGY COMPANY
EQUITY OIL COMPANY
ERG RESOURCES LLC
ERICKSON CONTRACT SURVEYING INC
ERIKSON DRILLING INC
ESCALERA RESOURCES CO
ESPERADO MINING CO
ESSEX ENERGY INC
EUCLID OIL
EUDORA
EURO-AMERICAN EXPLORATION CORP
EUROAMERICAN ENERGY GROUP INC
EUROPEAN SOUTHWEST COMPANY
EVANOFF OIL COMPANY
EVEREST OIL & GAS LLC
EVERGREEN ENTERPRISES
EVERGREEN OPERATING COMPANY
EVERGREEN PETROLEUM COMPANY LLC
EVERTSON BRUCE F
EVERTSON OIL
EVERTSON OPERATING COMPANY INC
EVOLUTION PETROLEUM CORP
EWING EXPLORATION COMPANY
EXARO ENERGY III LLC
EXCEL DRILLING INC
EXCEL ENERGY CORPORATION
EXCO RESOURCES INC
EXETER DRILLING COMPANY
EXETER EXPLORATION COMPANY
EXPLORATION DRILLING INC
EXPLORATION SERVICES CORP
EXPLORATIONS INC
EXPO RESOURCES INC
EXTRACTION OIL & GAS LLC
EXXEL ENERGY CORP USA
EXXON MOBIL CORPORATION
EXXON MOBIL OIL CORPORATION
EXXON PRODUCTION RESOURCES

F

F & J OIL LLC
F & M OIL COMPANY
F C D OIL CORPORATION
FAGIN EXPLORATION COMPANY
FAIR J O
FAIRFIELD F E
FAIRWAY OIL COMPANY
FAIRWAYS EXPLORATION & PRODUCTION LLC
FAIRWAYS OFFSHORE EXPL INC
FALCON CREEK RESOURCES INC
FALCON OIL COMPANY
FALCON SEABOARD DRLG CO
FALESE OIL COMPANY INC
FAMCOR OIL AND GAS
FAMILY TREE CORPORATION
FANCHER OIL LLC
FAR WEST OIL
FAR WEST TRADING COMPANY
FARLEIGH BILL D
FARLEIGH OIL PROPERTIES
FARLEY & FREEMAN
FARMER KENNETH K
FARMERS UNION EXCHANGE
FARNSWORTH & KAISER OIL COMPANY
FARNSWORTH G G
FARQUET-WILLIAM & SMITH
FARRELL ROY
FARRELL JAMES
FAULCONER VERNON E INC
FAUST PAUL F
FAY & BERGMAN
FDF RESOURCES
FDL OPERATING LLC
FEATHERSTONE DEVELOPMENT CORP
FEDERAL DRILLING COMPANY
FEDERAL OIL COMPANY
FEDERATED OIL & GAS PROPERTIES
FEDERER H D
FEES WALTER S JR ETA
FEHR GEORGE D
FELDT & MAYTAG
FELMONT OIL CORPORATION
FENEX OIL COMPANY
FENIX & SCISSON INC
FERGUSON & BOSWORTH
FERGUSON BOB
FERGUSON ENERGY INC
FERGUSON OIL COMPANY INC
FERGUSON P L
FERLEY LESTER
FERNSTRUM ENERGY
FERREIRA OIL PROPERTIES LLC
FERRIN C A
FH PETROLEUM CORP
FIDELITY EXPLORATION & PRODUCTION CO
FIELDS J W
FIKES LELAND
FIKSDAL-FERLEY
FILKEY R W SR
FILLINGAME & HAYGOOD
FIN-OIL INC
FINA OIL AND CHEMICAL COMPANY
FINALY RESOURCES LLC
FINANCIAL INVESTMENTS
FIND OIL & GAS COMPANY
FINLEY RESOURCES INC
FIRST ENERGY CORPORATION
FIRST ENERGY PROPERTIES
FIRST MINERAL PROD CO
FIRST SOURCENERGY WYOMING INC
FITZ OPC
FITZPATRICK DRILLING CORPORATION
FIVE STATES OPERATING COMPANY LLC
FLAG-REDFERN OIL COMPANY
FLAHIVE OIL & GAS LLC
FLANK OIL COMPANY
FLARE ENERGY CORPORATION
FLEET OIL COMPANY
FLEMING & LANGGUTH
FLEMING & WILLIS
FLEMING BEN
FLEMING BEN & W B
FLEMMING
FLEXX RESOURCES CORPORATION
FLINT HILLS RESOURCES LP
FLORES LLC
FLORIDA GAS EXPLORATION CO
FLOW PRODUCTION COMPANY
FLYING J OIL & GAS INC
FMC CORPORATION
FMF OIL & GAS PROPERTY INC
FMP OPERATING COMPANY
FMWI LLC
FONTENELLE OIL COMPANY
FOOTHILLS EXPLORATION LLC
FORCENERGY INC
FORCENERGY ONSHORE INC
FOREE R L
FORELAND RESOURCES LLC
FOREMAN ENTERPRISES INC
FOREMAN OIL COMPANY
FOREST OIL PERMIAN CORPORATION
FORESTAR PETROLEUM CORPORATION
FORGOTSON JR JAMES M
FORREST CONSTRUCTION
FORSMAN-MATTHEWS OIL & GAS CO
FORT COLLINS CONSOLIDATED ROYALTY
FORT UNION RESOURCES LLC
FORTUNA US LP
FORTUNE OIL COMPANY
FORTUNE PETROLEUM CORPORATION
FORWARD J C
FOSSIL ASSOCIATES
FOSSIL CREEK RESOURCES LLC
FOSSIL ENERGY INC
FOSTER CONSTRUCTION
FOSTER TRAVERSE S
FOUCH & SKIDMORE
FOUCH W E
FOUNDATION ENERGY MANAGMENT LLC
FOUR KINGS INC
FOUR STAR OIL & GAS
FOUR-A ENERGY LLC
FOURTH MINERAL PRODUCTION CO INC
FOX HILLS PETROLEUM CORPORATION
FOX R S OIL PROPERTIES
FOXRIDGE ENERGY GROUP INC
FRANCO-WESTERN OIL COMPANY
FRANK LOUIS L
FRANKS & HOPLERN
FRANKS WILLARD & H H
FRED B ANSCHUTZ TRUST
FREEDMAN MARTIN J
FREEMAN OIL COMPANY
FREEPORT MINERALS COMPANY
FREEPORT-MCMORAN OIL
FREESTONE MIDSTREAM LLC
FREMONT ENERGY CORPORATION
FREMONT PETROLEUM
FREMONT URANIUM & OIL CO
FREOIL INC
FRESNO EXPLORATION COMPANY
FRICK & FRACK DRILLING INC
FRICKEY INVESTMENT MGT CO LLC
FROGG OIL
FRONT END SERVICES
FRONTIER CARBON SOLUTIONS LLC
FRONTIER DRILLING
FRONTIER ENERGY LLC
FRONTIER EXPLORATION
FRONTIER OIL & REFINING COMPANY
FRONTIER OIL AND GAS LLC
FRONTIER WELL SERVICE INC
FRUEHAUF LLC
FRY C L & ASHLEY GLEN
FRYE R G & KREINER I
FRYE RALPH M
FUEL EXPLORATION INC
FUEL RESOURCES DEVELOPMENT CO
FUERST OIL DEVELOPMENT CO INC
FULCRUM ENERGY OPERATING LLC
FULK PERRY
FULTON PRODUCING COMPANY
FUNDAMENTAL OIL
FUNDARE RESOURCES OP CO LLC
FUNK F O
FUSSELMAN & WINN
FX PRODUCING COMPANY INC

G

G & G SERVICES
G & H PRODUCTION COMPANY LLC
G & H RESOURCES LLC
G P OIL
G TRIPLE A OIL COMPANY THE
G-W RESOURCES OPERATING COMPANY
GADECO LLC
GAGE OIL & GAS CO LTD
GALAXY OIL COMPANY
GALLAGHER DRILLING INC
GALLAGHER T P
GALLOWAY BROTHERS
GALLOWAY-SMITH
GARDNER B
GARDNER RALPH
GARETSON WORTH
GARFIELD & PASTERNAK
GARFIELD SAMUEL S ETAL
GARNER-CONDON
GARRETT-KENTTA-DRWENSKI
GARRISON CC
GARY DRILLING CO
GARY OPERATING
GARY SAMUEL
GARY SAMUEL JR & ASSOC
GARY-WILLIAMS PRODUCTION COMPANY
GAS & OIL MANAGEMENT INC
GAS VENTURES LLC
GASAMAT OIL CORP OF COLORADO
GASCO ENERGY INC
GASCO INC
GASCO PRODUCTION COMPANY
GAYLORD J L
GAYNO MINERAL INC
GCRL ENERGY
GEJU OIL & GAS INC
GELMAR OIL CORPORATION
GEM EXPLORATION WY LLC
GEM OIL
GEM STAR ENVIRONMENT
GEM STAR HOLE PLUGGING
GEMINI CORPORATION
GENCO OIL COMPANY
GENERAL AMERICAN OIL CO OF TEXAS
GENERAL ATLANTIC RESOURCES INC
GENERAL CRUDE OIL CO
GENERAL OIL CO INC
GENERAL PETROLEUM
GENES DRILLING
GENESIS PRODUCTION COMPANY
GENESIS ST OPERATING LLC
GEO NOLAND DRILLING CO INC
GEO SEISMIC SERVICES
GEO-PHOENIX INC
GEODYNE OPERATING COMPANY
GEODYNE RESOURCES INC
GEOKINETICS USA INC
GEOPETROL COMPANY
GEOPHYSICAL SERVICES
GEOPHYSICAL SYSTEMS
GEORESOURCES INC
GEORGE-WRATHER
GEOSPECTRUM INC
GEOTECH PRODUCTION INC
GERBER ENERGY CORPORATION
GERMANY OPERATING COMPANY
GERONIMO OIL COMPANY
GETTY OIL COMPANY
GIBBS WILLIAM
GIBSON J W
GIBSON W R
GIEBEL AARON F
GIFFIN DRILLING INC
GIFFIN JAMES
GIFFIN L E
GILBERT M P
GILLESPIE FA & SONS CO
GILLIS & NUNN
GILMARTIN JOHN
GILMORE OIL & GAS
GILMORE W H
GILSTER III RALPH R
GINTHER-WARREN & GINTHER
GIROUARD RICHARD L
GKM INC
GLACIER LAND SERVICES LLC
GLADE N W
GLASCO INC
GLASIER MANAGEMENT LTD
GLASS THEODORE G
GLASSCOCK C G
GLENDALE OIL COMPANY
GLENMAR COMPANY
GLENROCK VENTURES LLC
GLENTOP EXPLORATION CO
GLENWOOD OIL COMPANY
GLG ENERGY LP
GLOBAL GEOPHYSICAL SERVICES INC
GLOBAL POSITIONING S
GLOBE MINERALS INC
GLOBE-NEWS PUBLISHING CO
GMC OIL & GAS CORPORATION
GMT ENERGY CORPORATION
GMT EXPLORATION COMPANY LLC
GOKEL L
GOLD KING PETROLEUM CORPORATION
GOLDBEN OIL & GAS PRODUCTION
GOLDBERG DR MAURICE J
GOLDEN BUCKEYE PETROLEUM CORP
GOLDEN EAGLE EXPLORATION INC
GOLDEN ENERGY PARTNERS LLC
GOLDEN EYE RESOURCES LLC
GOLDEN OILFIELD OPERATIONS INC
GOLDING W L
GOLDMARK ENGINEERING INC
GOLDSTON W L
GOODMAN
GOODSTEIN FRED
GORDON DALE G
GORDON EXPLORATION CORPORATION
GORDON JAMES P
GORDY OIL COMPANY
GORGES ANTHONY
GORMAN CONSTRUCTION LLC
GORSUTH LESLIE
GOSAR A J
GOSE PETROLEUM COMPANY
GOSE ROBERT G OIL SYNDICATE
GOULD JOSEPH B
GOWER OIL COMPANY
GOWIN MILLARD F
GP PENALTY ASSESSMENTS
GPE ENERGY INC
GPO OPERATIONS LLC
GRACE MICHAEL P
GRACE PETROLEUM CORPORATION
GRACE-FORD OIL & GAS COMPANY
GRAHAM ROYALTY LTD
GRAHAM-MICHAELIS DRILLING CO
GRANITE CREEK ENERGY LLC
GRANT GEOPHYSICAL
GRANT-NORPAC INC
GRARIDGE CORPORATION
GRAVES DRILLING CO INC
GRAVES-DAVIS
GRAVES-HEISEN
GRAY & HENRY
GRAY D O
GRAY JESS & CAROL LLC
GRAYHORSE OPERATING INC
GRAYLING RESOURCES LTD
GRAYROCK CORPORATION
GRAYSON MILL OPERATING LLC
GRAYSON MILL POWDER RIVER LLC
GRB RESOURCES
GREAT BASIN RESOURCES INC
GREAT BASINS PETROLEUM
GREAT BUFFALO ENERGY INC
GREAT DIVIDE OIL CO
GREAT DIVIDE PETROLEUM LLC
GREAT EASTERN ENERGY DEVELOPMENT
GREAT LAKES OIL & CHEMICAL CO
GREAT NORTHERN DRILLING COMPANY
GREAT NORTHERN GAS COMPANY
GREAT WESTERN DRILLING COMPANY
GREAT WESTERN ENERGY
GREAT WESTERN OIL COMPANY
GREAT WESTERN PETROLEUM CO
GREAT WESTERN RESOURCES INC
GREBE CARL E
GREBO ROYALTIES
GREEN EXPLORATION CO
GREEN LEON
GREEN OIL
GREEN RESERVE ENERGY HOLDINGS LLC
GREEN RIVER BASIN WELL SERVICE
GREEN RIVER ENERGY RESOURCES INC
GREEN RIVER RESOURCES LTD
GREENSTREET LLOYD
GREENWOOD RESOURCES
GREER GEORGE J
GREKA AM INC
GREY HAWK OPERATING LLC
GREYBEAL SYNDICATE
GREYBULL OIL COMPANY
GREYBULL PETROLUEM LLC
GREYBULL REFINING CO
GREYLOCK PRODUCTION LLC
GRIFFIN BENNIE C
GRIFFIN DRILLING CO
GRIFFITHS OIL LLC
GRIGGS OIL INC
GRIGSBY DRILLING
GRIM LEONARD
GRIMM JACK F
GRIZZLY OPERATING LLC
GRMR OIL AND GAS LLC
GROENEWOLD NICKALINA & TERRY
GROOM ENERGY DEVELOPMENT
GROSS TODD
GROVER OIL & GAS
GROWTH OIL & MINERALS INC
GRUENERWALD WILLIAM
GRURY OPERATING
GRUSS PETROLEUM MANAGEMENT INC
GRYNBERG JACK J
GRYNBERG PETROLEUM COMPANY
GU PEAK RESOURCES LTD
GUENTHART OIL COMPANY RLLP
GUENTHART WILLIAM & LAVONNE
GUIDA A M
GUITERRES JOE D
GULF ENERGY CORPORATION
GULF EXPLORATION LLC
GULF OIL CORPORATION
GULF OIL EXPLORATION & PRODUCTION CO
GULF PRODUCTION CORPORATION
GULF STATES PETROLEUM INC
GULLEY J D & W R HUGHES
GULLEY J L & HUGHEY W R
GULLEY J L JR ETAL
GUNDERSON & BERRY EXPLORATION
GUNGNIR OPERATING LLC
GUNSMOKE ENERGY COMPANY
GUYNN FRED I

H

H & H INVESTMENTS INC
H & H OIL & DRILLING COMPANY
H & H STAR ENERGY INC
H & M CONSTRUCTION COMPANY
H & M DISPOSAL
H & M OIL PRODUCERS
H & R OIL COMPANY
H & R WELL SERVICES INC
H C M ENERGY LLC
H D OIL COMPANY
H F G INC
H F G OF WYOMING
H G H OIL COMPANY
H H & W OIL COMPANY
H L M DRILLING COMPANY
H L MARQUIP RESOURCES INC
H M CONSTRUCTION
H N & L SYNDICATE
H R EXPLORATION
H2OIL SERVICES LLC
HABERSHAM ENERGY COMPANY
HACKATHORN H A
HADLEY/JACKSON ENERGY LLC
HADSON PETROLEUM CORPORATION
HAGEMAN & POND INC
HAGINS & KASPAR
HAGINS & LARSON
HAHN NICK R
HALBERT & JENNINGS
HALBERT JENNINGS AND SIMIC
HALBOUTY MICHEL T
HALE H D
HALE LYLE A
HALE VERNON
HALL & THORNTON
HALL C ELMER
HALL G E
HALL LYNN
HALLADOR PETROLEUM LLP
HALLIBURTON ENERGY SERVICES INC
HALLWOOD PETROLEUM
HAMILTON BROTHERS OIL COMPANY
HAMILTON JOHN M
HAMMER EXPLORATION INC
HAMMOND W F
HAMMONS & JONES
HAMON JAKE L
HANCO OIL & GAS CO LTD
HANCOCK JOHN T
HANCOCK OIL COMPANY
HANCOCK WARREN J
HANDBURY JOHN B
HANDRAN PRODUCTION SERVICE INC
HANLON ROYAL
HANLON WILLIAM & E C
HANLON WM & BATZER H O CO
HANLON WM M
HANOVER MANAGEMENT COMPANY
HANSEN OIL CO INC
HANSON OPERATING COMPANY INC
HAR-KEN OIL COMPANY
HARBINGER OIL
HARDY PETROLEUM CORPORATION
HARKEN OIL & GAS INC
HARMAC OIL COMPANY
HARNETT J R
HARNETT RICHARD A
HARPEL JOHN P JR
HARPER OIL COMPANY
HARRELL OIL COMPANY LLC
HARRIS & REEVES
HARRIS MAURICE A
HARRIS ROY
HARRISON SAM G
HARSHFIELD REFINING COMPNAY
HARSHMAN MICHAEL D
HART EXPLORATION & PRODUCTION CO
HARTLEY GF HILTON FJ AND SWISHER DR
HARVARD EXPLORATION COMPANY
HARVARD PETROLEUM
HARVEST ENERGY COMPANY
HARVEY E YATES COMPANY
HARVEY M J
HARWOOD EXPLORATION INC
HASSIE HUNT INC
HAT CREEK ENERGY LLC
HAT CREEK PARTNERSHIP
HAT CREEK RESOURCES LLC
HATCH J R
HATFIELD OIL COMPANY
HATHAWAY COMPANY
HATSON OIL COMPANY
HAUG LAWRENCE
HAVOCO INC
HAWK JEFF & J E STA
HAWKINS H L
HAWKS COMPANY
HAWKS INDUSTRIES INC
HAWKS JEFF
HAWTHORN OIL COMPANY
HAY KINNEY & HIMES
HAY LEONARD
HAYES & HANKS
HAYES H P
HAYES KELLY F & W OILFIELD SERVICE
HAYES OIL & GAS COMPANY
HAYES ROBERTSON DRLG CO
HAYNES & V-T DRILLING
HAYS JAMES T
HAYUTIN ALBERT
HAYWOOD ROBERT
HEAD R C & ASSOCIATES
HEADINGTON OIL COMPANY LP
HEARTLAND ENERGY COMPANY
HEDGES DALLAS
HEDGES SPENCER
HEEP OIL CORPORATION
HELENA RESOURCES INC
HELI-PORT DRILLING
HELIDRILL
HELIS OIL & GAS COMPANY LLC ESTATE
HELIS W G ESTATE
HELMERICH & PAYNE INC
HELMKE G L
HENDERSON PETROLEUM CORP
HENNEPIN CRUDE CORPORATION
HENRY RONALD L & WANDA L
HENSLEY MARVENE
HERBALY PETROLEUM CORP
HERITAGE EXPLORATION & PRODUCTION
HERSHEY OIL CORPORATION
HESPERUS ENERGY II LLC
HEW OIL COMPANY
HEWETT B C
HEWIT W D
HEWITT OPERATING INC
HEWITT R J
HEYSER ESTILL S JR ET AL
HFC OIL COMPANY INC
HI-PRO PRODUCTION
HIAWATHA OIL & GAS COMPANY
HIBBERT JOHN
HIBBERT R E
HICKMAN B J OIL OPERATING
HICKS M E
HIDGON BARBARA SMITH
HIESTAND FRANK I
HIGGINS BERT
HIGH COUNTRY EXPLORATION GROUP
HIGH ENERGY INC
HIGH PLAINS GAS LLC
HIGH RIVER RESOURCES OPERATING, LLC
HIGH SUMMIT OIL & GAS INC
HIGHLAND EXPLORATION
HIKO MEYER & STROUD
HILAND OPERATING LLC
HILAND PARTNERS LLC
HILCORP ENERGY COMPANY
HILCORP ENERGY DEVELOPMENT LP
HILCORP ENERGY I LP
HILL A G
HILL JOHN H
HILL PRODUCTION COMPANY
HILL R M
HILLBILLY TRUCKING INC
HILLIARD OIL & GAS INC
HILLS EXPLORATION CORPORATION
HINDSIGHT OIL & GAS LLC
HLH PETROLEUM CORPORATION
HLM DRILLING COMPANY
HLP CONSULTANTS INC
HMX INVESTMENTS INC
HNG OIL COMPANY
HODGE T F
HOEFLE GEOLOGIC COMPANY
HOEFLE RICHARD C
HOFER & LOWER
HOFF ELMER & MILDRED
HOFFMAN BURNETTE
HOFFMAN FRED W
HOFMANN TRUCKING LLC
HOGSBACK LLC
HOGUE FRANK
HOLDEN HAROLD B
HOLLE PHILLIP D
HOLLIMON OIL CORPORATION
HOLLIS OIL & GAS
HOLLISTER ROBERT W
HOLLOWAY MERLE
HOLLY ENERGY INC
HOLT G
HOLWELL DRILLING COMPANY
HOME PETROLEUM CORPORATION
HOMESTAKE MINING CO
HOMESTAKE OSAGE OIL CO
HOMESTEAD ASSOCIATES
HOMESTEAD OIL COMPANY
HONDO OIL & GAS
HONDO OIL & GAS COMPANY
HONOLULU OIL CORPORATION
HOOPES HAROLD B
HOOSIER OIL COMPANY
HOOVER-PARRENT COMPANY INC
HOPE ALVIN
HOPE E N
HOPE OIL & GAS
HOPEWELL OIL & GAS DEVEL CORP
HOPPE K W & A KUGLER
HORIZON EXPLORATION
HORN LOWRANCE
HORN TOM PARTNERS LLC
HORNE VALLEY OIL COMPANY
HORSE SHOE OIL ASSN
HORSESHOE PROJECT PARTNERS LP
HOSE RAY A
HOSE-AUSTIN DRILLING
HOSE-AUSTIN-GOLDING
HOT SPRINGS RESOURCES LTD
HOUSTON EXPLORATION COMPANY THE
HOUSTON OIL AND MINERALS
HOUSTON OIL COMPANY OF TEXAS
HOVEY CHARLES
HOVIVIAN GREGORY E
HOWARD & ASSOCIATES LTD
HOWARD BAKER
HOWARD E L
HOWARD ENERGY CO INC
HOWARD WALTER K
HOWCO PTR CHAMPION VEN AND LECLAIR OPR C
HOWELL O C
HOWELL PETROLEUM CORP
HOXSEY OIL CO
HR ENERGY LLC
HRM RESOURCES II LLC
HRM RESOURCES III LLC
HRM RESOURCES LLC
HRUBETZ OIL COMPANY
HS RESOURCES INC
HUBBARD WADE
HUBER J M CORP
HUDDLE T C
HUDSON GROUP LLC
HUDSON-MATERI
HUGH UPDIKE INC
HUGHES OIL COMPANY INC
HUGOTON ENERGY CORPORATION
HUISMAN J & ASSOCIATES
HULSE D S ETAL
HULSE SAMUEL D
HUMBLE OIL & REFINING
HUNT ENERGY CORPORATION
HUNT OIL COMPANY
HUNT PETROLEUM AEC INC
HUNTER ENERGY LLC
HUNTINGTON ENERGY LLC
HUNTLEY B J
HURD GORDON
HURLEY OIL COMPANY
HUSKY OIL COMPANY
HY LEE OIL COMPANY
HYCO OIL INC
HYDROCARBON MANAGEMENT INC
HYLAND OIL CORPORATION
HYPERION OIL & GAS LLC

I

I B A DRILLING CO INC
I C GAS AMCANA INC
I P M C TRANSPORT
IBA DEVELOPMENT CO
IBERLIN MARK
IBEX RESOURCES OPERATING LLC
IDEAL DRILLING CO
IDEEN ARVID D
IGO WELL SERVICE INC
IKS OPERATING
ILLINOIS WESTERN OIL
IMPACT ENERGY LLC
IMPACT ENERGY OPERATING LLC
IMPACT EXPLORATION & PRODUCTION LLC
IMPEL ENERGY CORPORATION
IMPERIAL AMERICAN MANAGEMENT COMPANY
IMPERIAL MINERALS INC
IMPERIAL OIL COMPANY
IMPERIAL PETROLEUM CORP
IMPERIAL PRODUCTION CORP
INCA OIL & GAS INC
INCLINE RESERVES INC
INCREMENTAL O & G (SILVER TIP) LLC
INCREMENTAL OIL & GAS USA HOLDINGS INC
INDEPENDENCE ROCK RESOURCES LLC
INDEPENDENT PRODUCTION COMPANY
INDIAN CREEK RESOURCES INC
INDIAN EXPLORATION
INDIAN PETROLEUM
INDIKOTA OIL CO
INDUSTRIAL GAS SERVICES INC
INEXCO OIL COMPANY
INFIELD DISCOVERY LLC
INFINITY HYDROCARBONS LLC
INFINITY OIL & GAS OF WYOMING
INLAND OIL & REFINING CO
INLAND PRODUCTION COMPANY
INTEGRATED ENERGY INC
INTEGRATED PETROLEUM CORPORATION
INTEGRITY OIL & GAS
INTER-AMERICAN PETROLEUM CORP
INTERCOAST OIL & GAS COMPANY
INTERCONTINENTAL PETROLEUM
INTERENERGY CORPORATION
INTERLINE RESOURCES CORP
INTERMOUNTAIN METHANE
INTERMOUNTAIN PROD LLC
INTERNATIONAL DRILLING CORP
INTERNATIONAL PETROLEUM LLC
INTERNATIONAL PTR & EXPL OPERATING CORP
INTERNORTH INC
INTERSTATE PUMPING SERVICE INC
INTEX OIL COMPANY
INTOIL INC
INTRAMERICAN FUNDS INC
INTREPID OIL & GAS LLC
INTREPID PRODUCTION CORPORATION
INVESTMENT EQUIPMENT LLC
INVESTMENT MANAGEMENT TRUST
INVESTOR'S WEALTH INC
INVESTORS DRILLING VENTURES INC
INVESTORS OIL COMPANY
IOWA-WYOMING OIL COMPANY
IP PETROLEUM COMPANY INC
IRENECO INC
IREX OPERATING COMPANY
IRIS OIL COMPANY
IRON CREEK PROPERTIES INC
IRON MOUNTAIN OPERATING LLC
IRONHORSE WYOMING RESOURCES LLC
ISERN DOUGLAS
ISLAND VIEW OIL COMPANY
ITR PETROLEUM INC
IVANHOE ENERGY USA INC
IVIE GRB, LLC
IWS ENERGY
IWS LEMAY LLC

J

J & B PRODUCING
J & J PRODUCTION LLC
J & L PRODUCTION
J & T OIL COMPANY LLC
J C OIL COMPANY
J C PETROLEUM HOLDINGS LLC
J D OIL COMPANY
J HOWARD MARSHALL II LIVING TRUST
J J LYNN OIL DIVISION
J K MINERALS INC
J L B OPERATING
J W RUPERT DRILLING CO
J-BIRD WELL SERVICE INCORPORATED
J-W OPERATING COMPANY
JACKPOT OIL CO
JACKSON & PEES
JACKSON JR C H
JACOBER GORDON E
JACOBS RANCH COAL COMPANY
JADE OIL COMPANY
JADE OWLS INC
JADE RESOURCES INC
JAGER OIL COMPANY
JAHN MATT C
JAMES MARVIN
JAMES WENDELL WEST
JAMESON CHAS M
JARNETT RICHARD DE
JARVIS GEORGE W
JARVIS S D
JAY EM SYNDICATE
JAY MANAGEMENT COMPANY LLC
JAY RESOURCES CORPORATION
JAYNE MORTON LIVING TRUST
JEBCO SEISMIC LP
JED OIL USA INC
JEFF DYE DRILLING CO
JEFFERIES & CAHOON
JEFFERY DARLEY ASSOCIATION
JEFFRIES NORMAN W ETAL
JELLCO LLC
JENEX PETROLEUM CORPORATION
JENKINS BRYCE
JENKINS LAMAR
JENKINS T G
JENSEN/MARK CORPORATION
JERICHO EXPLORATION INC
JERRY RYAN AND COMPANY
JETTA OPERATING COMPANY INC
JEWEL SPRINGS OIL CO
JEWELL E J
JEWELL OIL & GAS CORPORATION
JFDR LLC
JIGCO INC
JIMS WATER SERVICE INC
JIREH EXPLORATION & CONSULTING LLC
JM COX RESOURCES LP
JMG EXPLORATION INC
JN EXPLORATION & PRODUCTION
JN OIL & GAS
JNB EXPLORATION CO
JOAN OIL COMPANY
JOCELYN-VARN OIL COMPANY
JOE SCOTT ENTERPRISES INC
JOEMAR WYOMING OPERATING LLC
JOG CORPORATION
JOGRUSS OIL CORPORATION
JOHNSON D E A INC
JOHNSON DOZER SERVICE
JOHNSON INC
JOHNSON L KEITH
JOHNSON ROYALTIES INC
JOHNSON TED F
JOINT RESOURCES COMPANY
JOINT VENTURE BUTLER EMMETT & PATRICK
JOLEN OPERATING COMPANY
JONAH (WEDGE) NOMCO INC
JONAH ENERGY COMPANY LLC
JONAH ENERGY LLC
JONAH GAS COMPANY LLC
JONES & PELLOW OIL CO
JONES A E
JONES CHARLES H
JONES DOUG
JONES EXPLORATION CO
JONES J E & JONES MAC
JONES L M
JONES MARIE & ALVA P
JORDAN EXPLORATION COMPANY LLC
JORDAN OIL & GAS COMPANY LP
JORGENSEN W K
JOSEPHSON JOE & AUTRY V E
JOURNEY OPERATING LLC
JP OIL WYOMING LLC
JT OPERATING LLC
JUL-TEX DRILLING COMPANY INC
JULANDER ENERGY COMPANY
JULANDER FRED C
JULIUS FOREST & ROY
JULIUS FOREST C
JULIUS ROY D & WILMA
JULIUS ROY G
JUNEMAN N P
JUNIPER OIL & GAS COMPANY
JUNIPER PETROLEUM CORPORATION
JUPITER OIL COMPANY
JUSTHEIM PETROLEUM COMPANY
JUSTICE OIL & GAS LLC
JVA OPERATING COMPANY

K

K & E OIL COMPANY
K & S DRILLING
K & W OIL COMPANY
K B COMPANY
K C HOLE PLUGGING CO
K N ENERGY INC
K P M INCORPORATED
K-J EXPLORATION LLC
K-N OPERATING CORPORATION
KACHINA EXPLORATION INC
KAISER ENERGY INC
KAISER FRANCIS OIL CO
KAISER HERMAN GEORGE
KALER HOWARD W
KAMCO LIMITED
KAMLOOPS DRILLING LTD
KAMON RUDOLPH
KANAWHA
KANEB OIL & GAS
KANOWA PETROLEUM
KANSAS-NEBRASKA NATURAL GAS
KANSAS-WYO
KANT WALTER F
KARA ENTERPRISES INC
KARLTON TERRY OIL COMPANY
KAROGEN CORP
KARSTROM JR J O
KASE ENERGY LLC
KATANA RESOURCES INC
KATHERMAN VANCE E
KATHOL PETROLEUM INC
KAUFFMAN K P COMPANY INC
KAUFMAN & GAY
KBZ INVESTMENTS INC
KC OIL
KC RESOURCES INC
KC WELL SERVICE
KCS MEDALLION RESOURCES INC
KCS MOUNTAIN RESOURCES INC
KEAS PRODUCTION COMPANY LLC
KEBA ENERGY LLC
KECK ENERGY COMPANY
KEDCO MANAGEMENT CORP
KEE EXPLORATION INC
KEELER JERRY E
KEITH WALKER O & G CO LLC
KEITHS PUMPING SERVICE
KEKICH JOHN & STROUP NANCY
KELLY GROUP
KELLY OPERATING COMPANY
KELSO OIL CO
KEM VENTURES LP
KEMMERER COAL CO
KEMMERER JOHN C JR
KENAI OIL & GAS INC
KENILAND OIL COMPANY
KENNEDY & KENNEDY RESOURCES LLC
KENNEDY & MITCHELL
KENNEDY GEORGE C
KENNEDY OIL
KENTEX ENERGY USA LLC
KENTEX WORLAND LLC
KENTEX WORLAND OPERATING CO LLC
KENTTA & DRWENSKI
KENTTA HAROLD
KEOUGHAN S
KEPCO INC
KERR-MCGEE CORPORATION
KERR-MCGEE OIL & GAS ONSHORE LP
KERR-MCGEE OIL INDUSTRIES
KERR-MCGEE ROCKY MOUNTAIN CORPORATION
KERRY PETROLEUM CO INC
KESTREL ENERGY INC
KESTREL RESOURCES INC
KETAL OIL PRODUCING
KETCHERSID J E
KEVIN B OLLER OIL PRODUCER
KEWANEE OIL COMPANY
KEY ENERGY SERVICES INC
KEY EXPLORATION LTD
KEY PRODUCTION COMPANY
KEYSTONE OIL COMPANY
KFX FUEL PARTNERS
KGH OPERATING COMPANY
KHODY LAND & MINERALS COMPANY
KIESLING GEORGE
KIESLING OIL COMPANY
KIEWIT MINING PROPERTIES INC
KILROY
KIMBARK OPERATING COMPANY
KIMMERIDGE NPRB LLC
KINDER MORGAN INC
KING WARREN DYE
KING RESOURCES ETAL
KING-STEVENSON GAS & OIL CO
KINGS PEAK ENERGY LLC
KINGS X OIL COMPANY LLC
KINGWOOD OIL COMPANY
KINNEY COASTAL OIL CO
KIRBY ENTERPRISE CAPITAL MANAGEMENT LLC
KIRBY EXPLORATION
KIRBY G W
KIRBY PETROLEUM COMPANY
KIRBY ROYALTIES
KIRBY ROYALTIES INC
KIRBY VENSYN COMPANY
KIRK CARROLL J
KIRK OIL COMPANY
KIRKWOOD RESOURCES LLC
KIRKWOOD W C
KIRN FRANK T
KISKA OIL & GAS INC
Kissack Resources. LLC
KISSACK WATER & OIL SERVICE INC
KISSINGER CLYDE G
KISSINGER PETROLEUM CORP
KLABZUBA OIL & GAS INC
KLAENHAMMER CARL W
KLEIN H W & G H VAUGHAN
KLOXIN ENERGY INC
KLT GAS INC
KN FIELD SERVICES
KN PRODUCTION COMPANY
KNAPP LELAND M
KNEE HILL ENERGY INC
KNIGHT & MILLER OIL
KNOEDLER OSCAR
KNOX FRANK M
KOBAR CORPORATION
KOCH EXPLORATION COMPANY
KOCH EXPLORATION COMPANY LLC
KOCH PRODUCTION COMPANY
KODIAK OIL & GAS USA INC
KODIAK PETROLEUM INC
KOEPKE OSCAR
KOPCO DRILLING CO
KRAMER HAROLD G
KRAMER-HUFF DRILLING
KREJCI HARRY L
KREUGER OIL ETAL
KRM PETROLEUM CORPORATION
KSK PARTNERSHIP
KSL ENTERPRISES INC
KUCERA EMIL B
KWB OIL PROPERTY MANAGEMENT INC
KYHL & WALKER
KYHL H L

L

L & B OIL COMPANY INC
L & J OPERATING INC
L & M OIL CO
L & R DRILLING COMPANY
L & W GROUP
L B INDUSTRIES INC
L C JACOX COMPANY
L D SCOGGIN EXPLORATION & PRODUCTION
L E JONES PRODUCTION CO
L F FLETCHER COMPANY
L K N COMPANY
L N BILLINGSLEY DRILLING CO
L R COMPANY
L&E WOLFE DRILLING COMPANY
L61 OPERATING COMPANY, LLC
LA FLEICHE OIL COMPANY
LA PRELE EXPLORATION
LABARGE MINERALS INC
LACKEY W
LACY W F
LADD & LUKOWICZ
LADD PETROLEUM CORPORATION
LADMER JACK G
LAGLORIA OIL & GAS CO
LAGNIAPPE INTEREST INC
LAGUNA PETROLEUM COMPANY
LAJEUNESSE JOSEPH
LAKE DESMET ENERGY CO II LC
LAKE OIL CO
LAKE RONEL OIL COMPANY
LAKEWOOD OPERATING LTD
LAKOTA ENERGY LLC
LAKOTA OIL & GAS COMPANY
LAKOTA PARTNERSHIP
LAMAR CLYDE WILLIAM
LAMBIE OIL COMPANY
LANAM & WEIR
LANCE OIL & GAS COMPANY INC
LANDER CORPORATION
LANDER EXPLORATION ASSOCIATES
LANDERS OPERATING COMPANY
LANDERS R O
LANE K E D
LANEER RESOURCES
LANGLEY ENERGY
LANGSDORF JR SAM
LAPPIN OIL LLC
LARAMIDE PRODUCTION LLC
LARAMIDE RESOURCES LLC
LARAMIE ENERGY II LLC
LARGO EXPLORATION RESOURCES LLC
LARIO OIL & GAS COMPANY
LARK OIL COMPANY
LARSON PERRY E
LASLETT H P
LASMO ENERGY CORPORATION
LAST MILE PRODUCTION LLC
LAWRENCE LIVERMOORE LABS
LAWSON OIL COMPANY
LAYTON OIL COMPANY
LEACH & ASSOCIATES
LEADERSHIP CIRCLE ENERGY LLC
LEAR PETROLEUM EXPLORATION
LEBA OIL CO
LEBEN DRILLING INC
LEBEN T I
LECLAIR-WESTWOOD INC
LEDDER EXPLORATION INC
LEE CARL E
LEE DRILLING COMPANY
LEE HARICE Y
LEEDE OIL & GAS INC
LEEMAN DON J
LEFTWICH J D
LEGACY ENERGY INC
LEGACY RESERVES OPERATING LP
LEGEND SERVICES INC
LEIGLAND THOMAS E
LEMIK ENERGY COMPANY
LENT R H
LEONARD JAMES A
LEP OPERATING INC
LEROUX JOHN
LESTER OIL COMPANY
LEVINSON PARTNERS CORPORATION
LEWIS & CLARK EXPLORATION
LEWIS E G
LEWIS YALE H
LEXICON RESOURCES CORPORATION
LIBERTY PETROLEUM CORPORATION
LIBERTY PETROLEUM INC
LIBERTY PRODUCTION CO
LIBERTY RESOURCES MANAGEMENT CO LLC
LIBERTY RESOURCES POWDER RIVER OPER LLC
LIEBERMAN EDWARD
LIEN PETE & SONS INC
LILIS ENERGY INC
LINC ENERGY OPERATIONS INC
LINC ENERGY PETROLEUM WYO INC
LINCERO LLC
LINCOLN DEVELOPMENT COMPANY
LINCOLN ENERGY HOLDINGS LLC
LINCOLN IDAHO OIL & GAS CO
LINDENMUTH & ASSOC
LINE CORPORATION
LINN DRILLING CO
LINN ENERGY HOLDINGS LLC
LINN EXCHANGE PROPERTIES LLC
LINN OPERATING LLC
LION OIL COMPANY
LISSOLO J W
LISSOLO TIMOTHY C
LITTLE VALLEY OIL COMPANY
LIVE OAK PETROLEUM
LIVERMORE GEORGE P
LIVINGSTON & COURDIN EXPLORATION
LJ OIL INC
LLOCO LLC
LLOSU CORPORATION
LLOX LLC
LLOYD & DAVIS
LLOYD E KENNEDY
LOCAL OIL CO
LOCKHART EXPLORATION
LOCKHART GEOPHYSICAL COMPANY
LOCKRIDGE OPERATOR INC JOHN P
LOCO
LODESTONE OPERATING
LODGE POLE DEVELOPMENT CO
LOEB JOHN
LOEMWAL INC
LOGO INC
LOGUE TRUST CO
LOIL OIL LLC
LOMAX EXPLORATION COMPANY
LOMERSON WILLIAM W
LONE STAR LAND AND ENERGY II LLC
LONE STAR PRODUCING COMPANY
LONESTAR GEOPHYSICAL SURVEYS LLC
LONETREE PETROLEUM INC
LONETREE PROSPECT LLC
LONG BEACH OIL DEVELOPMENT CO
LONG FOREST DALE
LONG OIL & NATURAL GAS CORPORATION
LONG TRUST THE
LONG WENDEL J
LONGS PEAK RESOURCES LLC
LONGSHOT OIL INC
LORAL OPERATING LLC
LORE J R
LOST SOLDIER OIL AND GAS LLC
LOTUS PETROLEUM
LOUISIANA LAND & EXPLORATION CO
LOUNDAGIN N B
LOVE D M & ASSOCIATES
LOVE OIL COMPANY
LOVELADY I W
LOW D J
LOW D J INC
LOWE RALPH
LOWELL & DANIELS INC
LOWELL & GIST INC
LOWES A F
LOWRANCE FRANK E
LOWRY EXPLORATION INC
LS ENERGY CORPORATION
LUBAR & WOODWARD
LUBAUER PETROLEUM CO
LUCA TECHNOLOGIES LLC
LUCAS MORTON J
LUCKY 13 OIL COMPANY
LUFF EXPLORATION
LUKOWICZ L J
LUNDVALL ROY & ELDON
LUSK OPERATING LLC
LYCO OPERATING COMPANY
LYLE EARL R
LYNCH PHIL D
LYNCH WALDO W
LYNCO OIL CORPORATION
LYNX OIL CORPORATION
LYON AUBREY
LYSITE VENTURES INC
LYTLE ROBERT S

M

M & C OIL INC
M & G OIL AND GAS INC
M & H OIL COMPANY
M & J OIL
M & K OIL COMPANY LLC
M & K OIL OPERATIONS
M & L OIL
M & M COAL
M & M RANCH ACQUISITION CO LLC
M & R HOLE PLUGGING
M & S SYNDICATE
M & T INCORPORATED
M & T OIL
M E OIL LTD LIABILITY CO
M G PRODUCTION CO
M K M OIL COMPANY
M W PETROLEUM COMPANY
M-3 INDUSTRIES
M-BAR OIL
M2S OIL LLC
MAC EXPLORATION & PRODUCTION LLC
MACDONALD OIL
MACK ENERGY CORPORATION
MACKEY OIL
MACKINNIE OIL & DRILLING
MACPET
MACPHERSON OIL
MACQUEST PETROLEUM INC
MACUM ENERGY INC
MADISON PETROLEUM
MAGNA OIL
MAGNOLIA OIL COMPANY
MAGNUM PRODUCING LP
MAGUIRE OIL COMPANY
MAHA ENERGY US INC
MAIN ENERGY INC
MAISON J I
MAJESTIC PETROLEUM OPERATIONS INC
MAJOR OIL
MAK-J ENERGY WYOMING LLC
MAKI RODNEY
MALCO REFINERIES INCORPORATED
MALCOLM J
MALLARD EXPLORATION
MALLETTE EARL
MALLON OIL COMPANY
MAMMOTH OIL
MAMMOTH PRODUCTION CORPORATION
MANCHESTER ENERGY LLC
MANEWAL BRADLEY OIL COMPANY
MANLOVE J
MANNING FRED M
MANNING JACK E
MANNING MAY OIL CO
MANNING R L
MANSFIELD C B
MANX OIL CORPORATION
MAPCO INCORPORATED
MAPCO OIL COMPANY
MAPP EXPLORATION INC
MAR-WIN DEVELOPMENT
MAR/REG INVESTMENTS
MARATHON OIL COMPANY
MARCH JOCK & SONS
MARCH JOHN A
MARET W K
MARGALEM OIL
MARIHUGH E G
MARINE OIL
MARINER ENERGY INC
MARION OIL
MARK RESOURCES CORP
MARKLEY & WOODIN
MARKLEY E G
MARKUS PRODUCTION
MARLAND OIL OF COLORADO
MARLIN OIL COMPANY LLC
MARMIK OIL COMPANY
MARQUIS-ALLRED ENG INC
MARS CO
MARS DRILLING
MARSH & PU
MARSH TOM INC
MARSHALL & WINSTON INC
MARTENS & PECK OPERATING CO
MARTENS & PECK PRODUCTION CO
MARTENS C F
MARTENS WILLIS P
MARTGAN W
MARTHA R PACE
MARTIN CHARLES O
MARTIN EXPLORATION
MARTIN GAYLORD IND
MARTIN LARRY L
MARTIN OIL SERVICE INC
MARTON JOHN R
MARVEL LOWRANCE
MARVEL PETROLEUM
MARVIN OIL COMPANY
MASEK OIL COMPANY
MASSAE C E
MASSIF OPERATING LLC
MATADOR PETROLEUM
MATADOR PRODUCTION COMPANY
MATERI EXPLORATION INC
MATERI LAWRENCE
MATRIX EXPLORATION
MATRIX PRODUCTION COMPANY
MAUPIN GR & BONNER
MAURICE YATES & ASSOCIATES
MAVERICK DRILLING
MAXIM DRILLING & EXPL INC
MAXIMUS OPERATING LTD
MAXWELL A C & HGH OIL
MAXWELL OIL
MAY PETROLEUM INC
MAYCO EXPLORATION
MAYER LEN
MAYER LEN OIL PRODUCER
MBI OIL & GAS LLC
MC GAS WELL LLC
MC KNIGHT PETROLEUM
MC WOOD CORPORATION
MCADAMS ROUX & ASSOCIATES
MCALESTER FUEL COMPANY
MCALPINE BILLIE J
MCBRIDE TH
MCBRIDE W
MCCALL DRILLING
MCCALL GABE
MCCARTHY
MCCARTNEY ENGINEERING LLC
MCCASLIM
MCCAULEY & DOROUGH
MCCHESNEY & CLAYCOM
MCCHESNEY STEWART
MCCLURE & STEWART
MCCLURE ENTERPRISES
MCCLURE OIL
MCCONATHY
MCCONNEL G R
MCCORMICK OIL & GAS
MCCOY & RUSK
MCCOY J ROY
MCCULLISS RESOURCE COMPANY INC
MCCULLOCH OIL
MCCULLOUGH & MARTENS
MCCULLOUGH J
MCCUTCHIN ALMA
MCDERMOTT J RAY & COMPANY
MCDONALD
MCDONALD & CURTIS
MCDONALD RICHARD
MCDONNELL & STEWARD
MCELROY E
MCELROY RANCH
MCELROY RANCH ETAL
MCELVAIN OIL & GAS PROPERTIES INC
MCENA INC
MCGEE GEORGE D
MCGLOTHLIN E O
MCGOWEN PETROLEUM
MCGRAW R
MCGUIRE JOHN C
MCHUGH & ASSOCIATES
MCKAY C R
MCKENZIE METHANE CORPORATION
MCKENZIE PRODUCTION CO
MCKINNEY THOMAS M
MCKNAB PRODUCTION CO INC
MCKNIGHT YVONNE
MCKOWN G O
MCL 1 OIL & GAS WYOMING LLC
MCLAUGHLIN STUART
MCLEOD DOUGLAS CAMERON
MCM OPERATING LLC
MCMAHON-BULLINGTON LP
MCMINN OPERATING COMPANY
MCMORAN EXPLORATION COMPANY
MCMURRY ENERGY COMPANY
MCMURRY OIL LLC
MCNAIR
MCNEELEY LUTHER
MCNEILL WELL SERVICE LLC
MCNIC OIL & GAS PROPERTIES INC
MCO RESOURCES CORPORATION
MCPHERSON SYNDICATE
MCQUEEN ED & COMPANY INC
MCRAE & HENRY LTD
MCRAE J A & DOROUGH THOMAS G
MCS OIL
MCWINNIE
MDS ENERGY DEVELOPMENT LLC
MEABON ETAL
MEAD E I
MEADE DRILLING H L
MEADOW DEEP LLC
MECHALKE JOE D
MEDALLION EXPLORATION
MEDALLION PETROLEUM INC
MEDALLION PRODUCTION COMPANY
MEDICINE BOW OPERATING COMPANY
MEDTON CORPORATION
MEERKAT LOGISTICS AND OPERATIONS LLC
MEETEETSE MERCANTILE
MEG WYOMING GAS SERVICES LLC
MEGA ENERGY LLC
MEIER WELL SERVICE
MELS WATER SERVICE INC
MELTON D & ODELL C
MELTON DUANE & CHARLES
MEMORIAL EXPLORATION COMPANY
MEMORIAL PRODUCTION OPERATING LLC
MENLO CORPORATION
MENTZER W
MERCER FRANCIS W
MERCURIA ENERGY AMERICA INC
MERIDEN CARBON OPERATING CO LLC
MERIDIAN OIL PRODUCTION
MERIT ENERGY COMPANY
MERIT PRODUCTIONS
MERITAGE ENERGY COMPANY LLC
MERITAGE ENERGY PARTNERS LLC
MERLAND RESOURCES INC
MERRICO RESOURCES
MERRIMAC OIL & GAS LLC
MERRION OIL & GAS CORPORATION
MERRITT OIL CO
MERZ CARL
MESA PETROLEUM COMPANY
MESCALERO PRODUCTION
METCAFF L A
METFUEL WYOMING INC
METHANE PRODUCTIONS INC
METRO MINERAL CORPORATION
METZGER ETAL
MEUCHEL DRILLING
MEXICAN OIL
MEXICO WYOMING
MEYER DOUGLAS P
MEYER S NEAL
MEYERS HAROLD W
MEYERS PETROLEUM
MGF CORPORATION
MH7 MINERALS LLC
MI3 ENERGY LLC
MI3 PETROLEUM ENGINEERING CORPORATION
MIAMI OIL PRODUCERS INC
MIC PETROLEUM INC
MICH-WYO OIL
MICHAEL J MONCRIEF GRANTOR'S TRUST
MICHIGAN-WISCONSIN PIPE LINE CO
MICHIWEST ENERGY INC
MICKELSON E J
MICROSEISMIC INC
MID CENTRAL PRODUCTION LLC
MID-AMERICA MINERALS
MID-AMERICA OIL RESERVE INC
MID-CON ENERGY OPERATING LLC
MID-CONTINENT OIL
MIDGARD ENERGY COMPANY
MIDLAND
MIDLAND COOPERATIVE
MIDLAND EXPLORATION COMPANY
MIDLAND OIL
MIDLANDS GAS
MIDNIGHT OIL
MIDROC OIL
MIDWAY OIL CORPORATION
MIDWEST OIL CORPORATION
MIDWEST REFINING COMPANY
MIDWEST RESOURCES INC
MILE HI CORPORATION
MILE HI OIL & GAS INC
MILES MOORE INC
MILESTONE PETROLEUM
MILL CREEK SCHOOL
MILLENNIUM OIL & GAS LLC
MILLER C R & W E NIC
MILLER DYER & CO LLC
MILLER EDWIN
MILLER HAROLD
MILLER M D
MILLER RANDALL J
MILLS D L
MILLS DAVID L
MILLS EDGAR
MILNER RESOURCES INC
MIMI CORPORATION THE
MIN-WIS VENTURE
MINCOMP EXPLORATION
MINERAL CORP OF AMERICA
MINERAL MANAGEMENTS
MINERAL RESOURCES & ENGINEERING
MINGO OIL PRODUCERS
MINNELUSA OIL CORPORATION
MINNELUSA OIL LLC
MINNESOTA WESTERN OIL CO
MINNESOTA-WISCONSIN
MINOMING OI & GAS
MINOR RESOURCES INC
MINTON COMPANY
MIRACLE-FIFER DRILLING
MIRICH STEVE
MISAHAR INVESTMENTS
MISSISSIPPI RIVER FUEL
MISSISSIPPI-DELTA
MISSOURI NEBRASKA WY DEVEL AND MINING CO
MITCHELL ENERGY CORP
MITCHELL ENTERPRISES
MITCHELL JERRY P TRUSTEE
MITCHELL JOHN F
MITCHELL M J
MJC OIL AND GAS LLC
MKM EXPLORATION
MKM SERVICES INC
MOBIL EXPL & PRODUCING NORTH AMERICA INC
MOBIL ROCKY MTN INC
MOBLEY JR O B
MOCO OIL INC
MODERN MINERALS
MODERN OIL SUPPLY
MOFFAT ENERGY INC
MOFFAT F
MOFFATT-MYERS DEVELOPMENT CO
MOHAWK PETROLEUM
MOLE OPERATING
MOLLOHAN H
MON-O-CO
MON-OIL INC
MONADA PETROLEUM
MONAHAN REX
MONARCH
MONARCH DRILLING CO
MONCRIEF C B
MONCRIEF OIL & GAS MASTER LLC
MONCRIEF W A JR
MONONGAHELO OIL
MONSANTO CHEMICAL COMPANY
MONSANTO COMPANY
MONT ROUGE INC
MONT-DAKOTA UTILITIES
MONTANA CHEMICAL & MILLING CORP
MONTANA POWER COMPANY
MONTANA-TEXAS PROD CO
MONTANA-WYOMING
MONTE J ALLEN
MONTEGNA BRUNO
MONTER HERMAN
MONTERREY PETROLEUM
MONTEX DRILLING COMPANY LLC
MONTEX EXPLORATION
MONTGOMERY N R
MONUMENT GLOBAL RESOURCES INC
MOORE & TWIFORD
MOORE D A
MOORE DEVELOPMENT CO
MOORE E W
MOORE H D
MOORE MCCORMACK PRODUCTION
MOOSE OIL AND GAS LLC
MORAN EXPLORATION INC
MORE PRODUCTION COMPANY
MOREY C J
MORGALXON OIL
MORGAN ENERGY CORPORATION
MORGAN FRED
MORGAN J H SR
MORGAN WELL SERVICE INC
MORIAH POWDER RIVER LLC
MORMAC ENERGY CORPORATION
MORNING STAR ENERGY LLC
MORNING STAR OIL COMPANY
MORNINGSTAR ENERGY INC
MORRIS J W
MORRISON NORA
MORSEY OIL & GAS CORPORATION
MORTON & CAPERTON
MORTON & THOMAS
MORTON BROTHERS
MORTON DAN C
MORTON DRILLING COMPANY
MORTON HOLDINGS LLC
MORTON OIL
MORTON PRODUCTION COMPANY LLC
MORTON-REASER-CAPERT
MORTON-SHEPHERD & CAPERTON
MORY OHREL PRODUCTION
MOSBACHER PRODUCTION CO
MOSHER ED
MOSHER SYNDICATE
MOSHER-DYKE
MOSS PROPERTIES INC
MOTT F H
MOUNTAIN FUEL SUPPLY COMPANY
MOUNTAIN GEOPHYSICAL
MOUNTAIN HAWK ENERGY LLC
MOUNTAIN MINERALS
MOUNTAIN PETROLEUM CORP
MOUNTAIN PETROLEUM LTD
MOUNTAIN RESOURCE CORPORATION
MOUNTAIN STATES DRILLING CO INC
MOUNTAIN VIEW OIL COMPANY
MOUNTAIN WEST PIPELINES
MOXA ENERGY CORPORATION
MOZEL OIL
MRD OPERATING LLC (DELAWARE)
MRI ASSOCIATES INC
MT STATES VIBRASONIC
MTARRI INC
MTG OPERATING INC
MTS LIMITED PARTNERS
MUDDY MINERAL EXPLORATION LLC
MUELLER FRED W
MUELLER LEE C
MUHL BRADLEY & ASSOCIATES
MULE CREEK OIL COMPANY
MULE WEST OIL LLC
MULL DRILLING COMPANY
MULLINNIX ASSOCIATES '67
MULT-UNIT OIL COMPANY
MUNDELL F E
MUNDELL R B
MUNFORD OIL & GAS INC
MURCHISON BROTHERS
MUREX PETROLEUM CORPORATION
MURMAX DRILLING COMPANY
MURPHY CORPORATION
MURPHY D V
MURPHY JAMES E
MURPHY JOE
MURPHY L B
MURPHY OIL USA INC
MURPHY SHELDON L & LORETTA
MURRAY-JOBST-HUMPHREYS
MUSH CREEK OIL
MUSH CREEK PRODUCERS ETAL
MUSH CREEK PRODUCTION
MUSH CREEK SYNDICATE
MUSTANG ENERGY RESOURCES LLC
MUSTANG OIL & GAS CORPORATION
MUSTANG RESOURCES LLC
MUTUAL OIL COMPANY
MUTUAL OIL OF AMERICA
MWJ PRODUCING COMPANY
MYERS HAROLD W
MYRIN OIL
MYSTIQUE DEVELOPMENTS
MYSTIQUE RESOURCES COMPANY

N

N A B PROPERTIES LLC
N H P Q INC
N R M PETROLEUM CORP
NA 28 MINERALS LLC
NADEL & GUSSMAN ROCKIES LLC
NANCE PETROLEUM CORPORATION
NANKE ENERGY LLC
NASSAU RESOURCES INC
NATIONAL ASSOCIATED PETROLEUM COMPANY
NATIONAL ENERGY GROUP INC
NATIONAL FUEL CORPORATION
NATIONAL OIL COMPANY
NATIONAL PRIDE OPERATING
NATIONAL SUPPLY DIVISION
NATIONAL TREASURE MINES
NATOL PETROLEUM
NATOMAS NORTH AMERICA INC
NATRONA COUNTY HOLDINGS LLC
NATRONA EXPLORATION
NATURAL GAS & OIL CO
NATURAL GAS CORP OF CALIFORNIA
NATURAL GAS PROCESSING COMPANY
NATURAL RESOURCE CORPORATION
NAUTILUS EXPLORATION LLC
NAUTILUS RESOURCES LLC
NAVAJO DEVELOPMENT
NAVAJO TRANSITIONAL ENERGY CO LLC
NAVIGATION POWDER RIVER LLC
NAVIGATOR OPERATING LLC
NAY DRILLING
NBB OIL & GAS PARTNERS
NDC OIL & GAS I LLC
NEARBURG PRODUCING COMPANY
NEATHERY O JR ET AL
NEAVES PETROLEUM DEVELOPMENT
NEBEKER CLAUDE
NEBERGALL
NEBRASKA DRILLERS INC
NEBRASKA OIL COMPANY
NEFF T B
NEISH OIL
NELLA COMPANY LTD
NELSCO INC
NELSON C E
NELSON DRILLING INC
NELSON J B & ASSOCIATES
NELSON PAUPPIRT
NEM ROYALITY
NEPECO
NEPPLE EDWARD
NERD ENERGY INC
NERD ENTERPRISES INC
NERD GAS COMPANY LLC
NETZ JOSEPH
NEVDAK OIL & EXPLORATION
NEW AGE PETROLEUM CORP
NEW DRILLING
NEW ENERGY CO LLC
NEW ERA OIL/PREFERRED ENERGY
NEW ERA PETROLEUM INC
NEW FORK ENERGY LLC
NEW FRONTIER ENERGY INC
NEW HORIZON RESOURCES LLC
NEW LONDON OIL
NEW MEXICO-SAN JUAN NATURAL GAS CO
NEW OIL
NEW PARK MINING
NEW TECH OIL COMPANY
NEW YORK GAS & OIL DRILLING
NEW YORK OIL COMPANY
NEWARD CORPORATION
NEWCASTLE OIL & GAS INC
NEWELL MATT M
NEWELL PAUL E
NEWFIELD PRODUCTION COMPANY
NEWLON W D
NEWMAN BROS DRILLING
NEWMONT EXPLORATION LTD
NEWPORT EXPLORATION
NEWPORT GAS PARTNERS LLC
NEWPORT OIL CORPORATION
NEWTON EXPLORATION
NEWTON OIL COMPANY
NEWTON STEVE DRILLING
NEWTON W A
NEWWOODS PETROLEUM LLC
NEXEN MARKETING USA INC
NEXT HORIZON OIL AND GAS LLC
NEXTRACTION ENERGY US INC
NGL WATER SOLUTIONS LLC
NICHOLS C L
NICKERSON KENNETH W
NICKLE L L
NICOLAI & MILLER
NICOLAYSEN G G JR
NICOR EXPLORATION
NICOR EXPLORATION COMPANY
NIELSON & ASSOCIATES INC
NIELSON CAPITAL PARTNERS LLC
NIELSON ENTERPRISES
NIELSON ENTERPRISES INC & PAUL STOCK
NILOCO COMPANY
NIOBRARA RESOURCES LLC
NISTLER DRILLING INC
NOARKO RESOURCES
NOBLE ENERGY INC
NOBLE ENERGY WYCO LLC
NODAL SEISMIC LLC
NOEL BROTHERS
NONSUCH NATURAL GAS INC
NOR-AM EXPLORATION
NORBACK
NORCEN ENERGY INC
NORDSTRAND ENGINEERING INC
NORMONT OIL COMPANY
NOROD OIL & GAS LLC
NORPAC EXPLORATION
NORRIS MONTY
NORRIS OIL
NORRIS W D I
NORTEX GAS & OIL CO
NORTH AMERICAN ENERGY
NORTH AMERICAN LAND & LIVESTOCK LLC
NORTH BILL DISPOSAL LLC
NORTH CENTRAL CASING PULLERS INC
NORTH CENTRAL OIL CORP
NORTH FINN LLC
NORTH SHORE EXPLORATION & PROD LLC
NORTH SILO RESOURCES LLC
NORTH STAR OPERATING COMPANY
NORTHERN DEVELOPMENT CO
NORTHERN GAS COMPANY
NORTHERN GEOPHYSICAL
NORTHERN LIGHTS OIL CO LC
NORTHERN LIGHTS OIL COMPANY
NORTHERN MICHIGAN EXPL CO
NORTHERN NATURAL GAS COMPANY
NORTHERN ORDNANCE INC
NORTHERN PACIFIC RAILWAY CO
NORTHERN PRODUCTION CO
NORTHERN PUMP COMPANY
NORTHERN RESOURCES COMPANY
NORTHFIRST OIL & GAS INC
NORTHLAND HOLE PLUGGING
NORTHSTAR OPERATING COMPANY OF TEXAS
NORTHWEST BONANZA OILS INC
NORTHWEST CRUDE INC
NORTHWEST ENERGY LLC
NORTHWEST EXPLORATION
NORTHWEST PIPELINE
NORTHWOODS LAND INC
NORTON FRICKEY
NOVA ENERGY INC
NOVA NATURAL RESOURCES
NOVA PETROLEUM CORORATION
NRG ASSOCIATES
NTEGRA OPERATING LLC
NUCOR OIL & GAS INC
NUNN ROMIE M
NUPEC RESOURCES INC
NUPETCO ASSOCIATES
NUSSBAUM ROBERT E
NUTECH DRILLING CO INC
NYE PETROLEUM COMPANY

O

O HANLON & WARREN
O I L ENERGY INC
O' DONNELL & EDMONDSON
O' DONNELL & WILLIAM
O'BANNON & BARKER OIL
O'BRIEN ENERGY RESOURCES CORPORATION
O'BRIEN SPRINGS EXCO INC
O'CONNELL DEVELOPMENT CO
O'CONNELL R K
O'MEARA ROBERT W
O'NEAL RESOURCES
O'NEILL FRANCES P
OAKLEY OIL
OASIS OIL COMPANY INC
OCCIDENTAL
OCCIDENTAL PETROLEUM CORPORATION
OCEAN ENERGY INC
OCEAN LAKE RESOURCES, LLC
OCEANIC OIL COMPANY
OCELOT OIL CORPORATION
OCI LLC
OCONA INC
OCT LLC
ODESSA NATURAL CORPORATION
OEDEKOVEN AMERIFIELDS RESOURCES LLC
OEDEKOVEN FRED L
OEDEKOVEN WATER & HOT OIL
OGDEN LABARGE OIL
OGLE CORPORATION
OIEN OIL CORPORATION
OIL & GAS ACQUISITION GROUP INC
OIL & GAS INVESTORS CO
OIL & GAS PROPERTY MANAGEMENT
OIL & REALTY DEVELOPMENTS INC
OIL CAPITOL CORPORATION
OIL CITY SUPPLY CO INC
OIL DEVELOPMENT OF TEXAS
OIL INCORPORATED
OIL MOUNTAIN ENERGY INC
OIL RESOURCES INC
OILCO
OILDIGGER RESOURCES FUND l LLLP
OILFIELD CONSULTANTS
OILFIELD SALVAGE & SERVICE COMPANY
OKIE CRUDE COMPANY
OKLAHOMA OIL & GAS MANAGEMENT INC
OKLAHOMA OIL COMPANY
OKLAHOMA PACIFIC LTD
OKLAHOMA SILURIAN PARTNERS
OKMAR OIL COMPANY
OKT PETROLEUM COMPANY INC
OLDS OIL COMPANY
OLDS OIL CORPORATION
OLDS R M
OLMAN HEATH CO
OLSTON OTTO
OLYMPIC EXPLORATION INC
OMIMEX PETROLEUM INC (CO)
OMIMEX PETROLEUM INC (DE)
OMINECA RESOURCES LTD
OMNI ENERGY SERVICES CORP
OMNI OPERATING COMPANY
ONEIDA ENERGY CORPORATION
ONSHORE HOLDINGS LLC
OPEN RANGE ENERGY LLC
OPES PRODUCTION INC
OPTIGAS INC
ORBIT DRILLING INC
ORCHARD CHARLES E
OREGON OIL CO
OREGON WYOMING OMAHA
ORIENTAL OIL & REFINING
ORION ENERGY PARTNERS LP
ORLYN TERRY
ORYX ENERGY COMPANY
OSAGE HOT OIL SERVICE
OSAGE OIL COMPANY
OSAGE OPERATING COMPANY LLC
OSAGE PARTNERS LLC
OSAGE PETROLEUM LLC
OSAGE TRUST
OSAMA MOHAMMAD DBA WYOMING PERROLEUM
OSBORN HEIRS COMPANY LTD
OSBORN KENNETH
OSBORNE EQUIPMENT INC
OSSIDIANA OPERATING LLC
OSTLAND INVESTMENT
OTIS OIL & GAS
OTT INC
OUTLAW OIL AND GAS LLC
OUTRE'
OUTWEST PETROLEUM
OVERLAND DOME PETROLEUM
OVERLAND RESOURCES LLC
OVERLAND RESOURCES LTD
OVERTHRUST G & O
OVERTHRUST RESOURCES
OVINTIV USA INC
OWANAH OIL & DEVELOPMENT
OWEN K D
OWL TECHNICAL SERVICES INC
OXBOW PROPERTIES INC
OXFORD EXPLORATION COMPANY
OXTEX INC
OXY PETROLEUM INC
OXY USA INC
OZARK CORPORATION

P

P & M PETROLEUM MANAGEMENT LLC
P & P PRODUCING INC
P B M OIL & GAS CO
P M OIL ENTERPRISES
P O & G OPERATING LLC
PACE JOHN W
PACE THOMAS S
PACIFIC ENERGY RESOURCES LTD
PACIFIC ENTERPRISES OIL CO USA
PACIFIC GAS TRANSMISSION CO
PACIFIC NATURAL GAS EXPLORATION CO
PACIFIC PRODUCTION
PACIFIC TRANSMISSION SUPPLY
PACIFIC WESTERN OIL COMPANY
PACK RAT OIL CO
PADCO WYOMING LLC
PADON & PADON
PADON COMPANY
PADON JR J ADRIAN
PAINE JOSEPH J C
PAJARO ENERGY LLC
PAL LLC
PALADIN ENERGY PARTNER LLC
PALISADES OIL
PALMER OIL & GAS
PALMER TOM INC
PALO PETROLEUM INC
PALSCE JOHN
PALUXY RESOURCES INC
PAN PETROLEUM VENTURES LTD
PANAIA OIL & GAS INC
PANCANADIAN PETROLEUM COMPANY
PANEX
PANO-TECH EXPLORATION CORP
PANTERA ENERGY CORPORATION
PANTERRA PETROLEUM
PANTHER ENERGY COMPANY II LLC
PANTHER ENERGY COMPANY III LLC
PANTHER EXPLORATIONS INC
PAOLI INVESTORS LTD
PAPPOS & STATHES
PAR OIL COMPANY INC
PARAFFINE OIL CORPORATION
PARAGON GEOPHYSICAL
PARAMOUNT RESOURCES US INC
PARK CITY OIL & GAS SYND
PARK OIL COMPANY
PARK OIL PROPERTIES LLC
PARK ROBERT E
PARKER & PARSLEY PRODUCING LP
PARKER & SIMMONS
PARKER DRILLING COMPANY
PARKER MANUFACTURING CO
PARKER OIL INC ET AL
PARKER ORVAL ETAL
PARKER RICHARD S
PARRENT DRILLING CO
PARRENT KENNETH G
PARRENT R G & OGLE MORRIS E
PARTNERS OIL COMPANY
PASCO INC
PASTERNAK IRVING ETAL
PATHFINDER ENERGY INC
PATINA OIL & GAS CORPORATION
PATRICK PETROLEUM CO
PATRIOT ENERGY RESOURCES LLC
PATRIOT PRODUCTION LLC
PATTERSON OIL
PATTON HAROLD W
PAULEY EDWIN W
PAXTON RESOURCES
PAYMAC OIL CORPORATION
PDS RESOURCES LLC
PEABODY NATURAL GAS LLC
PEAK OIL CO
PEAK POWDER RIVER RESOURCES LLC
PEAKE ENERGY INC & P
PEAKER & TRAVIS
PEAKER DON H
PEAKVIEW OIL COMPANY LLC
PEARCE LEONARD
PEARCE MARY
PEARCE OIL COMPANY
PEARCE R C
PEARCE WELL SERVICE
PEARSON L A
PEASE KENNEDY & NEAL
PEASE OIL & GAS COMPANY
PEAVEY EMMETT RAY
PECOS DEVELOPMENT CORPORATION
PEDCO RESOURCES COMPANY
PEDRY J J
PEET OIL COMPANY
PEGASUS OIL & GAS LLC
PEL-TEX PETROLEUM
PELICAN DOME EXPLORATION
PEND OREILLE OIL & GAS
PENDEXCO
PENDRAGON ENERGY PARTNERS INC
PENGO PETROLEUM INC
PENINSULA OIL CO
PENNACO ENERGY INCORPORATED
PENNECO EXPLORATION COMPANY OF WYO LLC
PENNELL & ROHRET JOINT VENTURE
PENNSYLVANIA OIL & GAS
PENNZOIL COMPANY
PENROD GEISINGER EXPLORATION
PENSA INC
PEORIA OIL
PEPBAGO
PEPPER MORT
PEREY AND COX LLC
PERKINS OIL COMPANY
PERRY GEORGE & SON
PERRY LOUIS M
PERRYMAN W C
PETAN COMPANY
PETCON ASSOCIATES LTD
PETERS WALTER J
PETERSON DRILLING CO
PETERSON ENERGY MANAGEMENT INC
PETERSON ENERGY OPERATING INC
PETERSON LEO TRUSTEE
PETERSON OSCAR
PETRA OIL CORPORATION
PETRA PETROLEUM INC
PETRAL EXPLORATION INC LLC
PETREX OIL LLC
PETRO ENERGY INC
PETRO PACIFIC RESOURCES INC
PETRO SEARCH EXPLORATION CORP
PETRO-CANADA RESOURCES USA INC
PETRO-HUNT CORPORATION
PETRO-HUNT LLC
PETRO-LEWIS CORPORATION
PETRO-MANAGEMENT ASSOCIATES INC
PETRO-SENTINEL LLC
PETRO-SILVER INC
PETRO-TECH INC
PETROCARBON ENERGY CORPORATION
PETROCARBON ENERGY TRUST
PETROCORP INC
PETRODYNE CORPORATION UTAH
PETRODYNE OPERATING INC
PETROGULF CORPORATION
PETROHAWK OPERATING COMPANY
PETROL CO THE
PETROLERO CORPORATION
PETROLEUM CORP OF DELAWARE THE
PETROLEUM DEVELOPMENT CORP
PETROLEUM EQUITIES CORPORATION
PETROLEUM EXPLORATION
PETROLEUM INC
PETROLEUM MANAGEMENT CORPORATION
PETROLEUM MANAGEMENT LLC
PETROLEUM PRODUCTS INC
PETROLEUM RESOURCE MANAGEMENT CORP
PETROLEUM RESOURCES CORP
PETROLEUM SECURITIES CO
PETROLEUM SYNERGY GROUP
PETROPOOL INC
PETROREP INC
PETRORO CORPORATION
PETROSPEC CORPORATION
PETROSTAR LLC
PETROSTATES RESOURCES INC
PETROVALUES WY LLC
PETROX RESOURCES INC
PETTY RAY GEOPHYSICAL
PFAFF-QUEALY CORPORATION
PGC LLC
PGS ONSHORE INC
PH RESOURCES INC
PHEISTER E L
PHILLIPPS OIL COMPANY LLC
PHILLIPS DRILLING CO
PHILLIPS PETROLEUM COMPANY
PHILLIPS R H & FRED
PHILLIPS WILBERT
PHOENIX OPERATING LLC
PHOENIX PRODUCTION COMPANY
PHOENIX RESOURCES CO
PICKETT JAMES R
PICKRELL DRILLING CO
PIEDMONT OIL COMPANY
PIERCE & DEHLINGER
PIERCE DOUGLAS AND DAHLINGER
PIERCE JIM
PIERCE PAUL R
PIKE RESOURCES LTD
PILOT ENERGY
PILOT OIL COMPANY
PILOT PEAK RESOURCES LLC
PINE HAVEN RESOURCES LLC
PINE HILLS MINERALS CORPORATION
PINE MOUNTAIN SUBDIVISION
PINE RIDGE PETROLEUM LLC
PINEDALE ENERGY LLC
PINEDALE ENERGY PARTNERS OPERATING LLC
PINEDALE INVESTMENT INC
PINEY-LABARGE OIL COMPANY
PINTO PRODUCTIONS
PIONEER DRILLING CO
PIONEER ENERGY CORPORATION
PIONEER EXPLORATION LLC
PIONEER NATURAL RESOURCES USA INC
PIONEER OIL & GAS
PIONEER OIL & GAS COMPANY
PIONEER OIL LLC
PITTENCRIEFF AMERICA INC
PITTMAN & ASSOCIATES
PITTSBURG & MIDWAY COAL MINING CO
PIVONKA INVESTMENTS LLC
PLACID OIL COMPANY
PLAIN VIEW 0IL CO
PLAINS EXPL & PROD COMPANY
PLAINS MARKETING LP
PLAINS OIL & GAS COMPANY
PLAINS PETROLEUM OPERATING CO
PLANET ASSOCIATES INC
PLANET GAS USA INC
PLATTE VALLEY MANAGEMENT COMPANY
PLATTE VALLEY OIL
PLAZA RESOURCES
PLYMOUTH OIL COMPANY
PML OPERATING LLC
PO & G RESOURCES TEXAS LLC
POC-I LLC
POGO PRODUCING CO LLC
POINT RESOURCES INC
POISON LAKE DOME SYNDICATE
POLAR INDUSTRIES INC
POLARIS EXPLORER USA INC
POLFAM EXPLORATION CO
POLITO TONY
POLK DRILLING CO
POLUMBUS CORPORATION
POMEROY RUSSELL A
POND PETROLEUM
PONDEROSA OIL & GAS
PONDEROSA RESOURCES CORPORATION
PORTLAND & OSAGE
POST PETROLEUM CO
POWDER BATTALION HOLDINGS LLC
POWDER RIVER BASIN LLC
POWDER RIVER BASIN O&G HOLDINGS CORP
POWDER RIVER COAL COMPANY
POWDER RIVER OIL
POWDER RIVER PETROLEUM
POWDER RIVER RESOURCES INC
POWDER RIVER ROYALTY INC
POWER RESOURCES INC
POWER TOOL
POWERLINE ENERGY CORPORATION
PR OPERATING L P
PRAHL O F
PRAIRIE ENERGY MINERALS
PRAIRIE OIL & GAS
PRAIRIE WEST PETROLEUM INC
PRAY MAX
PRB OIL & GAS INC
PRB PETROLEUM LLC
PREFERRED PIPELINE CORPORATION
PREMA OIL COMPANY
PREMIER OIL COMPANY
PREMIER RESOURCES LTD
PRENALTA CORPORATION
PRENTICE SPELMAN
PRESCOTT BERT G
PRESIDIO ENERGY INC
PRESLEY OIL COMPANY
PRESTIGE ENERGY LLC
PRESTON E J ASSOCIATES
PRESTON REYNOLDS & COMPANY INC
PRICE C L
PRICE HENRY
PRICE PRODUCTION LLC
PRICE TED W ASSOC
PRIDE ENERGY COMPANY AN OKLAHOMA GP
PRIDE OIL LLC
PRIMA EXPLORATION INC
PRIMARY FUELS INC
PRIMARY FUELS LLC
PRIME OPERATING COMPANY
PRIME RESOURCES
PRINCIPLE PETROLEUM LLC
PRIVATE OIL INDUSTRIES
PRIZE EXPLORATION LLC
PRM PARTNERS I LLC
PRO CHEMCO EXPLORATION CO
PROCOIL INC
PRODUCERS & REFINERS CORPORATION
PRODUCERS 88 LLC
PRODUCERS OIL COMPANY
PRODUCING PROPERTIES INC
PRODUCTION CONSULTING LLC
PRODUCTION ENERGY PARTNERS LLC
PRODUCTION ENHANCEMENT TECHNOLOGY
PRODUCTION SERVICE & EQUIPMENT
PROFESSIONAL PETROLLEUM MANAGEMENT INC
PROGRESS OIL COMPANY
PROGRESS PETROLEUM CO
PROGRESSIVE DRILLING CO INC
PRONGHORN LAND & MINERALS LLC
PRONGHORN OPERATING, LLC
PROPEL ENERGY COMPANY
PROPERTIES INC
PROSPECTIVE INVEST & TRAD CO LTD
PROTHERO & FLEMING
PROVEN PETROLEUM INC
PROVEN RESERVES MANAGEMENT INC
PROVIDENCE OIL DEVELOPMENT LLC
PROVIDENT RESOURCES LTD
PRUDENT RESOURCES II LLC
PRUDENT RESOURCES LLC
PRUET & HUGHES CO
PTARMIGAN LANDS LP
PUBCO DEVELOPMENT INC
PUBCO PETROLEUM
PUBLISHERS PETROLEUM
PUMA PETROLEUM COMPANY
PUMA PETROLEUM I
PUMA PETROLEUM II
PUMP CREEK GAS & OIL SYNDICATE
PURE OIL
PURE PETROLEUM LLC
PUREWEST RESOURCES INC
PURSEL H M
PURSEL H M & SHIDLER H M
PURSLEY ROSCOE
PYR ENERGY CORPORATION
PYRAMID OIL COMPANY

Q

QEP ENERGY COMPANY
QEP UINTA BASIN INC
QUAD STATES ENTERPRISES INC
QUADRA OIL & GAS INC
QUALITY ENERGY SUPPLY
QUALITY OIL COMPANY
QUALMAY DEVELOPMENT LLC
QUANECO LLC
QUANTERRA ALPHA LTD
QUANTUM ENERGY
QUANTUM GEOPHYSICAL
QUANTUM INC
QUEEN ESTHER INC
QUEST ENERGY CORPORATION
QUEST OPERATING LLC
QUICKSILVER RESOURCES INC
QUINDARO OIL & GAS
QUINLISK C R
QUINOCO PETROLEUM INC
QUINTANA PETROLEUM CORP

R

R & D OIL COMPANY
R A G WYOMING LAND CO
R F D OIL COMPANY
R LACY INC
R M I OPERATING
R T C CORP
R2 LLC
RACHOU & LANE
RADER OIL COMPANY
RAEL RESOURCES LLC
RAGLAND T R TRUSTEE
RAINBOW ENERGY RESOURCES INC
RAINBOW OIL COMPANY
RAINBOW RESOURCES INC
RALPH E FAIR INC
RAMCO OIL AND GAS INC
RAMSEY B L INC
RAMSEY PETROLEUM COMPANY
RAMSHORN CONSTRUCTION INC
RANCH OIL COMPANY
RANCH RESOURCES LLC
RANCK OIL COMPANY
RANDOLPH L REX
RANDOLPH REX L OIL PROPERTIES
RANGE EXPLORATION PARTNERS LLC
RANGER HOLDINGS CO
RANGEVIEW RESOURCES OPERATING CO
RAPIDOIL COMPANY
RATHBUN ROGER
RATHPRO INC
RATHUIL OPERATING INC
RATHUIL RESOURCES LLC
RAWHIDE WESTERN INC
RAY KEITH
RAYMOND OIL COMPANY INC
RB OPERATING COMPANY
RBJ OIL LLC
RBJ RANCH LLC
RDG OIL & GAS LLC
RDR WELL HOLDINGS LLC
RDV RESOURCES PROPERTIES LLC
READER E W INC
READING & BATES PETROLEUM
READY ROGER
REASER E J
REASER WHEATLEY AND WOLD
REASOR G L
REBCO LTD
RED BLUFF ENERGY LLC
RED DESERT CORPORATION
RED DESERT RECLAMATION
RED DESERT RESOURCES, LLC
RED EAGLE RESOURCES CORP
RED FEATHER PETROLEUM CORP
RED PEAK RESOURCES LLC
RED RIVER OIL & GAS INC
RED RIVER OIL & GAS LLC
RED ROCK RESOURCES CORPORATION
RED TIGER OIL & GAS LLC
RED WILLOW GREAT PLAINS LLC
REDBIRD OIL PROPERTIES LLC
REDBUD E&P INC
REDSTONE GAS PARTNERS LLC
REDSTONE RESOURCES INC
REDWINE RESOURCES INC
REDWOOD ENERGY USA LTD
REED BRUCE
REED GEORGE A
REEF EXPLORATION INC
REEN OIL COMPANY ETAL
REESE OIL COMPANY
REEVES & TRUCHOT
REEVES JOHN A
REEVES-TRUCHOT-FORD
REG'S WELL SERVICE INC
REGAL DRILLING COMPANY
REHN E E
REILLY J B ET AL
RELCO INC
RELIABLE EXPLORATION
RELIABLE OIL & GAS INC
RELIANCE ENERGY INC
RELIANCE RESOURCES INC
RELIANT EXPLORATION LTD PARTNERSHIP
RELMCO OIL COMPANY
REMUDA ENERGY DEVELOPMENT LLC
RENAISSANCE RESOURCES INC
RENDEZVOUS RESOURCES CORPORATION
RENDOVA OIL CO
RENEAU ENERGY INC
RENEE ACQUISITION LLC
RENOR EXPLORATION
RENOS LAND & MINERALS COMPANY
REPOLLO OIL COMPANY
REPUBLIC EES LLC
REPUBLIC NATURAL GAS COMPANY
RESERVE DRILLING CO INC
RESERVE OIL & GAS COMPANY
RESERVE OPERATING CORPORATION
RESERVOIR IMAGING INC
RESOLUTE OIL CORPORATION
RESOLUTE WYOMING INC
RESOURCE ENTERPRISES INC
RESOURCE TECHNOLOGY CORPORATION
RESOURCES INVESTMENT CORP
RESPEC COMPANY LLC
REUNION ENERGY COMPANY
REX DOME OIL COMPANY
REX ENERGY ROCKIES LLC
REX FULLER COMPANY
REYNOLDS JAMES
RG GLOBAL LIFESTYLES INC
RHINE PETROLEUM INDUSTRIES
RHO & LAMBDA INC
RIATA ENERGY INC
RICGAR OIL COMPANY
RICH A O
RICHARD BRYAN FLLC
RICHARDS R D
RICHARDSON OIL COMPANY
RICHARDSON OPERATING CO
RICHFIELD OIL CORPORATION
RIDGE ENERGY PARTNERS LLC
RIDGELAND WYOMING INC
RIDGEVIEW OIL CO
RIFFE PETROLEUM
RIGGS OIL COMPANY
RIM OPERATING INC
RIMROCK DRILLING CO INC
RIO ALGOM MINING
RIO BLANCO ENERGY INC
RIO COLORADO OIL & GAS
RIO OIL COMPANY
RISCO OIL
RISING STAR EXPLORATION
RISPEN H ALLEN
RISPIN H A ET AL
RITE-WAY OIL & INVESTMENT CO INC
RIVAL DRILLING INC
RIVER CITY RESOURCES INC
RIVER GAS CORPORATION
RKI EXPLORATION & PRODUCTION LLC
RMD EXPLORATION
RME PETROLEUM COMPANY
ROBB MARIA A
ROBB RONALD R
ROBERT HAWKINS INC
ROBERT SCHULEIN & ASSOC LTD
ROBERTS & MURPHY
ROBERTS HALE E
ROBERTS OTIS A
ROBERTS S E
ROCHELLE OIL & GAS
ROCK CREEK OIL COMPANY INC
ROCK CREEK RESOURCES LLC
ROCK HILL INDUSTRIES
ROCK HILL OIL CORPORATION
ROCK OIL CORPORATION
ROCK RIVER CONSERVATION CO
ROCK RIVER OPERATING INC
ROCKET DRILLING COMPANY
ROCKIES HOLDINGS LLC
ROCKIES OIL & GAS INC
ROCKIES RESOURCES HOLDINGS LLC
ROCKWELL ENERGY CORPORATION
ROCKY MOUNTAIN BANK
ROCKY MOUNTAIN CRUDE OIL
ROCKY MOUNTAIN GAS COMPANY
ROCKY MOUNTAIN GAS INC
ROCKY MOUNTAIN METHANE COMPANY
ROCKY MOUNTAIN OILFINDERS INC
ROCKY MOUNTAIN OPERATING CO INC
ROCKY MOUNTAIN RESOURCES
ROCKY MOUNTAIN UTILITIES
RODEN DRILLING CO
RODEO RESOURCES INC
RODMAN PETROLEUM CORPORATION
ROEHRS ROBERT C
ROEMER OIL COMPANY
ROFF OPERATING COMPANY LLC
ROGERS DR A H
ROGERS W P
ROGERS WILLIAM T
ROLO OIL
ROME OIL & GAS CO
RONADERO COMPANY INC
ROOT A H & BLACKTAIL WYO OIL CO
ROOT FRED K
ROOTH ROY E
ROSA PETROLEUM
ROSEBUD OIL
ROSEBUD ROYALTY ETAL
ROSETTA RESOURCE OPERATING LP
ROSEWOOD RESOURCES
ROTHWELL RANCH
ROUNDS DON M
ROUNDTABLE ENERGY LLC
ROUSE JACK
ROUSE JACK & SIMMONS JR VH
ROUTT OIL COMPANY
ROWAN DRILLING COMPANY INC
ROWLAND H C
ROYAL OIL LLC
ROYAL PROPERTIES INC
ROYAL RESOURCES EXPLORATION
RTEX INC
RUBILLION OIL COMPANY
RUBLE EARL H & DON K
RUBY DRILLING CO/WYCAN INC
RUBY DRILLING COMPANY INC
RUBY-HEDGES
RUE EDWARD E
RUNGE OIL COMPANY
RUSSELL GEORGE
RUSTLER OIL COMPANY
RYAN OIL COMPANY
RYAN-PRATHER-EXTER
RYDER & QUALS
RYDER FOREST E
RYDER OIL & GAS LLC

S

S & ASSOCIATES INC
S & H DEVELOPMENT COMPANY
S & H OIL CO
S & J OPERATING COMPANY
S & S ENERGY INC
S C I EXPLORATION
S H E OIL & MINING
S S C
S-S DRILLING INC
SABA ENERGY OF TEXAS INC
SABINE CORPORATION
SABINE OIL & GAS CORPORATION
SABINE PRODUCTION COMPANY
SABRE ENERGY INC
SACKRIDER-SPALDING
SAEXPLORATION SEISMIC SERVICES US LLC
SAFARI DRILLING CO
SAGA HOLDING COMPANY LLC
SAGA PETROLEUM LLC OF COLORADO
SAGE BUTTE PRB OPERATING, LLC
SAGE CREEK OIL
SAGE HILLS ENERGY LLC
SAGE OIL COMPANY INC
SAGE PETROLEUM LLC
SAGEBRUSH PETROLEUM INC
SAGEBRUSH RESOURCES
SAKS OIL COMPANY
SALT CREEK OPERATING LLC
SALT CREEK WEST PARTNERS
SAMEDAN OIL CORPORATION
SAMSON EXPLORATION LLC
SAMSON OIL & GAS USA INC
SAMSON RESOURCES COMPANY LLC
SAN JACINTO PETROLEUM CORP
SAN JUAN EXPLORATION CO
SAN JUAN PETROLEUM COMPANY
SAN MARCO PETROLEUM INC
SAN RAFAEL OIL COMPANY
SANCHEZ-O'BRIEN
SAND CREEK OIL CO
SAND HILL ENERGY OF WYOMING LLC
SANDBERG
SANDBURG PETROLEUM CO OF UTAH
SANDERS C W
SANDS HILLS OIL COMPANY
SANDS OIL COMPANY INC
SANDS-AMERICAN CORP
SANFORD OIL COMPANY
SANKEY & STAHL
SANTA FE MINERALS
SANTA ROSA PETROLEUM LLC
SANTEE INC
SAPPHIRE RESOURCE LLC
SAPPHIRE-AMERICAN PETROLEUM
SARATOGA PRODUCTION CO
SARGENT & ALLEN
SASOL SYNFUELS INTERNATIONAL PTY LTD
SATTERLEE & HUNTER
SATURN OIL & GAS CO INC
SAUER BILL OIL & GAS COMPANY LLC
SAURUS RESOURCES INC
SAVERY OIL & GAS COMPANY
SAWYER OIL & GAS COMPANY INC
SAXON EXPLORATION CO
SAXON OIL COMPANY
SAYER BILL
SAYERS OPERATING COMPANY
SCAMMON-ALLEN DRILLING CO
SCANA PETROLEUM RESOURCES INC
SCARLETT ENERGY ENTERPRISES LLC
SCEPTRE RESOURCES INC
SCHENDEL
SCHERCK L E
SCHICK ROBERT B
SCHIECK EMMETT E
SCHIFF & JACKSON OIL PRODUCERS
SCHLAIKJER A L
SCHLUMBERGER GECO-PR
SCHLUMBERGER TECHNOL
SCHMID DEVELOPMENT LLC
SCHMID PROPERTIES INC
SCHMITZ HERBERT J
SCHNEIDER OIL CORPORATION
SCHOLL ROBERT G
SCHOONOVER OIL DEVEL CO
SCHULEIN ROBERT
SCHULTE WILLIAM A
SCHUMACHER JOHN E
SCHURICHT KENNETH M
SCIENTIFIC EXPLORATION CO
SCIMITAR OIL CORPORATION
SCOTCH BONNET MINES
SEABOARD OIL
SEABROOK CORPORATION
SEAGULL ENERGY E & P INC
SEAGULL INTERNATIONAL
SEAHAWK OIL INTERNATIONAL INC
SEALE OILFIELD CONSULTANTS INC
SEAY O V
SECURITY GAS & OIL
SEEDY DRAW LLC
SEELEY JR B K
SEER OPERATING LLC
SEGURO OIL & GAS INC
SEIS PROS SERVICES I
SEISCOM DELTA
SEISMIC DRILLING SERVICE
SEISMIC REFERENCE SERVICES
SEITEL DATA LTD
SELBY DRILLING CO
SELEGNA PETROLEUM CORP
SEMPLE WILLIAM C
SENDERO RESOURCES LLC
SENDKER & STRICKLING
SENDKER W L
SENECA INDUSTRIES INC
SENECA RESOURCE CORPORATION
SENRAB OIL COMPANY
SENTINEL OIL COMPANY INC
SENTINEL RESOURCES CORPORATION
SENTRY OIL CORPORATION
SEQUOYAH RESOURCE PARTNERS LP
SERIO EXPLORATION COMPANY
SESNON PORTER ET AL
SEVEN SISTERS OIL & GAS LLC
SEVERSON PETROLEUM COMPANY
SEVERSON S G ET AL
SEVERSON W E GAS INC
SEVERSON WESLEY E
SEYON LLC
SGCU GP LLC
SGGS PARTNERSHIP
SGT OIL & GAS LTD
SHADCO
SHAKER ENERGY INVESTMENTS
SHAKESPEARE OIL FIELD SERVICE LLC
SHAKESPEARE OIL INC
SHALLOW WELL EXPLORATION CO INC
SHAMROCK OIL & GAS
SHANK RODNEY M
SHANNON OIL
SHANOR RICHARD E
SHAR ALAN OIL COMPANY
SHARKEY WELL SERVICE INC
SHARON RESOURCES
SHARPLES PHILLIP T TRUST
SHAW JOHN B
SHAWNEE OIL & DEVELOPMENT
SHAWNEE OIL & GAS LLC
SHEEHAN EXPLORATION
SHEEHAN MARK
SHEEHAN WILLIAM F JR
SHELCO
SHELDON & DOBLER
SHELDON OIL CO
SHELDON T B
SHELL OIL COMPANY
SHELL ROCKY MOUNTAIN PRODUCTION LLC
SHELL TRADING US CO
SHENANDOAH ENERGY INC
SHENANDOAH OIL CORPORATION
SHENTON REX ET AL
SHEPHERD OIL COMPANY
SHERIDAN HOLDING COMPANY l LLC
SHERIDAN HOLDING COMPANY ll LLC
SHERIDAN PRODUCTION CO LLC
SHERIDAN-WYOMING OIL
SHERWOOD EXPLORATION
SHIDLER H M
SHIELD FRED W
SHILOH OIL & REFINING CO
SHOGREN A E
SHOSHONE OIL & GAS INC
SHOSHONI INVESTMENTS CO
SHRAKE MCKOWN
SHRAKE MCKOWN AND KUNKEL
SIEGEL MILO B
SIEGFRIED R H INC
SIENNA RESOURCES LIMITED
SIERRA ENERGY COMPANY
SIERRA PETROLEUM INC
SIERRA TRADING CORPORATION
SIGMA SEISMIC GEOPHYSICAL
SIGNAL EXPLORATION INC
SIGNAL HILL COMPANY LLC
SIGNAL HILL OPERATING LLC
SIGNAL OIL & GAS COMPANY
SIGNAL UINTAH BASIN OIL CO
SILER EARL F
SILVER EAGLE EXPLORATION INC
SILVER SAGE OIL & MINERAL CO
SILVERADO OIL INC
SILVERTIP ENERGY LLC
SIMASKO PRODUCTION CO
SIMCO PETROLEUM CORP
SIMMONS C B
SIMMONS JIMMY JR
SIMMONS JR V H
SIMON OIL LLC
SIMONTON GARY L
SIMRAY PRODUCTION COMPANY LP
SIMS DANIEL
SIMS E E
SINCLAIR OIL
SINCLAIR OIL & GAS COMPANY
SINCLAIR OIL CORPORATION
SINCLAIR WYOMING OIL COMPANY
SING WELL SERVICE CO INC
SINGER JOSEPH B EXPLORATION
SINGER-FLEISCHAKER
SIOUX NATURAL GAS CORP
SIOUX OIL COMPANY
SIX BAR OIL LLC
SIX ROBERT F
SIX TEN OPERATING COMPANY INC
SKAER ENTERPRISES INC
SKELLY OIL
SKIDGEL ENTERPRISES INC
SKILES OIL CORP
SKINNER CORPORATION
SKINNER OIL & GAS LLC
SKINNER ROBERT E
SKINNER SERVICE COMPANY
SKINNER'S RESOURCES & EXPL INC
SKIPPY OIL
SKLAR EXPLORATION COMPANY LLC
SKULL CREEK A LLC
SKYLINE OIL COMPANY
SKYLINE RESOURCES INC
SLAGLE & ZINN
SLAGLE ALLEN E
SLAGLE OIL CORP
SLATER J L
SLAUGHTER J M OIL COMPANY
SLAWSON ENERGY LLC
SLAWSON EXPLORATION COMPANY INC
SLOSS JAMES P
SM ENERGY COMPANY
SMATHERS OIL CO
SMITH AL
SMITH C LEONARD
SMITH CONLEY P OPERATING CO
SMITH EARL T & ASSOCIATES INC
SMITH EDEL P
SMITH GENE & GEORGE
SMITH JASON PETRO
SMITH JOHN T
SMITH KENNETH ETAL &
SMITH KEVIN
SMITH M D
SMITH NORMAN T
SMITH NOWLIN JR OIL COMPANY
SMITH PERL
SMITH PETER F
SMITH RAYMOND I
SMITH RED PLAINS PRODUCTION LLC
SMITH STEVE B
SMITH STEVE R
SMITH WILLARD E
SMITH-FANCHER
SMITTY'S DRILLING
SMOKEY GAP OIL COMPANY LLC
SMOKEY GAP VENTURES
SMOKEY OIL COMPANY INC
SMS OPERATING LLC
SNEARLY D
SNOWY OWL LLC
SNYDER OIL COMPANY
SNYDER OIL CORPORATION
SOIS-OSAGE INC
SOJOURNER EXPLORATION
SOL CHAN
SOL WEST III
SOLAR PETROLEUM INC
SOLARIS EXPLORATION INC
SOMERS CARLTON J
SONAT EXPLORATION CO
SONICS EXPLORATION
SONOMA ENERGY CORPORATION
SONTERRA ENERGY LLC
SOONER OPERATING CO INC
SOONER PLUGGING & EQUIPMENT INC
SORRELLS J W
SORRELS WARREN D
SOTRANA-TEXAS CORP
SOUERBRY F W
SOURCEGAS ENERGY SERVICES CO
SOUTH BEAVER CREEK SYN
SOUTH COAST OIL CORPORATION
SOUTH PASS PETROLEUM INC
SOUTH TEXAS DEVELOPMENT COMPANY
SOUTHERN CALIFORNIA
SOUTHERN CALIFORNIA POWER AUTHORITY
SOUTHERN GULF PRODUCTION
SOUTHERN HILLS OIL & GAS
SOUTHERN MINERAL CORPORATION
SOUTHERN MINERALS
SOUTHERN OIL LLC
SOUTHERN PETROLEUM EXPLORATION
SOUTHERN PRODUCTION CO INC
SOUTHERN STATES PETROLEUM CORP
SOUTHERN TRIANGLE OIL CO
SOUTHERN UNION EXPLORATION
SOUTHERN UNION PRODUCTION
SOUTHLAND ROYALTY COMPANY
SOUTHLAND ROYALTY COMPANY LLC
SOUTHPORT EXPLORATION INC
SOUTHWEST DRILLING INC
SOUTHWEST EXPLORATION & PRODUCTION
SOUTHWEST GAS PRODUCTION CO
SOUTHWEST OIL
SOUTHWESTERN ENERGY PROD CO
SOUTHWESTERN PETROLEUM
SOUTHWESTERN PETROLEUM CO & CLIFF PTR CO
SOUTHWESTERN PRODUCTION CORPORATION
SOVEREIGN EXPLORATION CO
SOVEREIGN OIL COMPANY
SPARTA OIL COMPANY
SPARTAN OPERATING COMPANY INC
SPEASFED NATURAL RESOURCES LLC
SPECTRASEIS INC
SPECTRUM ENERGY CORPORATION
SPECTRUM OIL & GAS COMPANY
SPEICHER JENNIE F
SPELLBOUND ENERGY LLC
SPELMAN PRENTICE & ASSOC
SPENCER FRANK J
SPINDLETOP OIL & GAS
SPIRE STORAGE WEST LLC
SPIRIT ENERGY INC
SPIRIT OIL COMPANY
SPOKANE-WYOMING OIL
SPOTTED HORSE SYNDICATE
SPRADLING WILLIAM H
SPRAGUE PETROLEUM CO
SPRECHER J D
SPRIGGS C H
SPRING VALLEY DEVELOPMENT CO LLC
SPRING VALLEY OIL & GAS
SPRING VALLEY PETROLEUM
SPRINGER C A
SPRINGLINE OPERATING LLC
SQUARE S INC
SQUAW CREEK EXPLORATION
SQUIER A H
SRW INC
SST ENERGY CORPORATION
ST HELENS PETROLEUM
ST LOUIS CAR COMPANY
ST MARY OPERATING COMPANY
ST MICHAEL EXPLORATION
ST OIL COMPANY
STAFFORD L
STAG OIL PRODUCERS INC
STANCLIFF T A
STANCO PETROLEUM INC
STANDARD ENERGY CORPORATION
STANLEY ENERGY INC
STANOLIND OIL & GAS COMPANY
STAPP OIL COMPANY
STAPP R W & JENNINGS T B
STAR GEOPHYSICAL
STAR OIL COMPANY
STAR OIL OPERATING COMPANY LLC
STAR RESOURCES LLC
STAROIL INC
STATES EXPLORATION INC
STATES INC
STATESWIDE OIL CORPORATION
STATEX PETROLEUM INC
STAUFFER CHEMICAL
STAVA OIL COMPANY
STEALTH ENERGY INC
STEALTH ENERGY USA INC
STEAMBOAT OIL AND GAS LLC
STEELCO DRILLING CO
STEELE OIL COMPANY
STEELE ROY G
STELLAR ENERGY & DRILLING CORP
STELLAR OIL COMPANY
STEMMA EXPLORATION & PROD CORP CO
STEPHENS ENERGY GROUP LLC
STEPHENS O E
STEPHENS PRODUCTION COMPANY
STERLING DRILLING
STERLING ENERGY CORPORATION
STERN II HARRY F
STEVENS J O & PARTNERS
STEVENSON OIL COMPANY
STEWART BEN
STEWART CHARLES H
STEWART JR ROBERT B
STEWART PETROLEUM CORPORATION
STILES-GODSEY ENGINEERING INC
STOCK PAUL
STOLTZ & CO ETAL
STONE & WOLF LLC
STONE ENERGY CORPORATION
STONE ENERGY LLC
STONE OIL CORPORATION
STONE PETROLEUM CORPORATION
STORM CAT ENERGY USA OPERATING CORP
STOUGH C D
STOUT D C
STOUT OIL COMPANY
STOUT STREET LLC
STOVALL OIL COMPANY
STOVE CREEK DOME OIL & REFINING
STOVE CREEK OIL CORPORATION
STRACHAN EXPLORATION INC
STRAIGHT ARROW OIL COMPANY
STRATA ENERGY INC
STREET BILL A
STREETMAN G P ET AL
STRICKLING BEN
STRIKER PETROLEUM
STRINGER E M
STRIPPER OIL COMPANY INC
STRONG KLINE D
STROOCK & ANDERSON
STROOCK & RODGERS
STROOCK THOMAS F
STROUD PETROLEUM INC
STUARCO OIL COMPANY INC
STUCKENHOFF & DAME
SUAGEE E L
SUBBIE C T
SUGAR CREEK RESOURCES
SUHR TRICKETT FIELDER
SULLIVAN J M
SUMATRA ENERGY COMPANY
SUMATRA OIL CORPORATION
SUMMIT DRILLING
SUMMIT GAS RESOURCES INC
SUMMIT OPERATING LLC
SUMMIT RESOURCES INC
SUN CEMENTING OF WYOMING INC
SUN EXPLORATION & PRODUCTION
SUN OIL
SUN TEXAS COMPANY
SUN VALLEY OIL COMPANY
SUNCOR ENERGY NATURAL GAS AMERICA INC
SUNCOR ENERGY USA INC
SUNCOR ENERGY USA MARKETING INC
SUNDANCE CORPORATION
SUNDANCE ENERGY INC
SUNDANCE OIL EXPLORATION CO
SUNDANCE OIL, LLC
SUNDANCE RESOURCES LLC
SUNIDCO OIL COMPANY
SUNLIGHT RESOURCES INC
SUNNY DAY RESOURCES
SUNOCO PARTNERS MARKETING & TERMINALS LP
SUNRAY DX OIL COMPANY
SUNRAY OIL CO
SUNRISE EXPLORATION INC
SUNRISE NATURAL RESOURCES CORP
SUNRISE OIL & GAS PROPERTIES LLC
SUNSET INTERNATIONAL
SUNSET INTERNATIONAL PETROLEUM CORP
SUNSHINE VALLEY PETROLEUM
SUPERIOR WYOMING OIL COMPANY
SUPRON ENERGY CORP
SURE OIL
SURTEK INC
SURVIVOR OIL INC
SWANSON JOHN
SWANSON ROBERT B
SWARTOUT GLEN
SWEET PEA OIL & GAS INC
SWEETWATER DRILLING & EXPLORATION INC
SWENCO-WESTERN INC
SWENGRAY DRILLING IN
SWENSON DRILLING INC
SWEPI LP
SWIFT ENERGY COMPANY
SWIK OIL LLC
SWINDLER WILMER
SYNERGY OFFSHORE LLC
SYNERGY OPERATING LLC

T

T & E OIL COMPANY
T & S LLC
T D M OIL COMPANY
T H E DRILLING CO INC
T K RESOURCES LLC
T P PRODUCTION CO
T W T EXPLORATION
T X P OPERATING
T-C OIL COMPANY LLC
T-REX OIL INC
T-REX OIL LLC #3
T2 OPERATING CORPORATION
TALBOT CURTIS L
TALLGRASS HIGH PLAINS CARBON STORAGE LLC
TALLGRASS WATER GREAT PLAINS LLC
TAMARACK DEVELOPMENT CO
TANA OIL & GAS CORPORATION
TAP MANAGEMENT INC
TAQ ENERGY LLC
TAQA NORTH USA INC
TAQA USA INC
TARA OIL COMPANY
TARGET OIL COMPANY
TARRANT ROY C
TARRANT SYNDICATE
TAS VENTURES LLC
TASCO CORPORATION
TATA CHEMICALS SODA ASH PARTNERS
TAUBER OIL COMPANY
TAUBERT & STEED
TAXXON OIL & GAS INC
TAYLOR ARTHUR
TAYLOR D G
TAYLOR EARL
TAYLOR GLENN
TAYLOR HARRY
TAYLOR OIL #13 LLC
TAYLOR OIL COMPANY
TAYLOR W R
TBI EXPLORATION INC
TBI PRODUCTION COMPANY
TCF INC
TCPL RESOURCES U S A LTD
TEAM OPERATING LLC
TEAPOT OIL & REFINING COMPANY
TEAPOT RESOURCE INC
TEATER C W
TEETERS BRUCE C
TELEDYNE EXPLORATION
TELEDYNE INC
TELEMARK ENERGY SERVICES LLC
TEMAGAMI OIL & GAS LTD
TENNECO OIL COMPANY
TENNESSEE GAS TRANSMISSION CO
TENNTEX OIL COMPANY
TENSLEEP PETROLEUM CORPORATION
TEOCALI ENERGY LLC
TEREX ENERGY CORPORATION
TERRAPET CORPORATION
TERRITORY RESOURCES LLC
TERRY PRODUCTION CO
TERTELING COMPANY & SONS
TESLA EXPLORATION INC
TESLA EXPLORATION LTD
TESORO PETROLEUM CORPORATION
TETON BIGHORN LLC
TETON ENERGY
TETON EXPLORATION DRILLING CO
TEX/CON OIL & GAS COMPANY
TEXACO EXPLORATION & PROD
TEXAKOMA OIL & GAS CORP
TEXAKOTA
TEXAMERICO
TEXANA OIL COMPANY
TEXAS AMERICAN OIL CORPORATION
TEXAS AMERICAN RESOURCES COMPANY
TEXAS COMPANY
TEXAS ENERGY SUPPLY INC
TEXAS GAS EXPLORATION CORP
TEXAS GENERAL PETROLEUM CORP
TEXAS INDEPENDENT EXPLORATION LTD
TEXAS NATIONAL
TEXAS OIL & GAS CORPORATION
TEXAS PACIFIC COAL & OIL COMPANY
TEXAS PACIFIC OIL COMPANY
TEXAS PRODUCTION
TEXAS VANGUARD OIL COMPANY
TEXOMING DRILLING CO
TEXON LP
Texon Midstream, LLC
TEXOTA OIL COMPANY
TEXSTAR PETROLEUM CORP
TGC INDUSTRIES INC
TGS-NOPEC GEOPHYSICAL COMPANY
TGX CORPORATION
THAREL LLOYD
THATCHER L R
THAYER DONALD D
THE BRINKERHOFF COMPANY
THE COYOTE COMPANY
THE EL DORADO REFINING CO
THE HOUSTON EXPLORATION COMPANY
THE INTERNATIONAL ENERGY GROUP LLC
THE KARA COMPANY
THE TERMO COMPANY
THE TOWER COMPANY
THERMALEXPLORATION INC
THETIS ENERGY CORPORATION
THIRTY THREE MILE RANCH
THOMAS F B
THOMAS LARRY
THOMAS LLC
THOMAS OPERATING COMPANY INC
THOMASSON E M
THOMASSON PETROLEUM E&P LLC
THOMASSON RED CANYON LLC
THOMPSON BROTHERS
THOMPSON ENGINEERING & PRODUCTION CORP
THOMPSON-ELK BASIN OIL & GAS CO
THOR JOHN & IVAN
THOROUGHBRED ASSOCIATES LLC
THORSON HARRY T
THRASH M E
THREE C OIL COMPANY
THREE CROWN PETROLEUM LLC
THREE FORKS RESOURCES LLC
THREE G INC
THREE HOLDINGS OIL
THREE SISTERS LLC
THREE STATE
THUNDER BASIN COAL COMPANY LLC
THUNDER BASIN OIL SERVICE
THUNDER BASIN RESOURCES LLC
THUNDER HILL EXPLORATION LLC
THUNDERBIRD RESOURCES LP
TICONY INC
TIDE PETROLEUM COMPANY
TIDEMARK EXPLORATION
TIDEWATER ASSOC
TIDEWATER OIL
TIGER OIL COMPANY
TIGER ROSE ENERGY CORPORATION
TIMBERLINE ENERGY INC
TIMBERLINE PRODUCTION COMPANY LLC
TIMBERLINE RESOURCES LLC
TIME PETROLEUM COMPANY
TINDALL OPERATING COMPANY
TIPPERARY OIL & GAS CORPORATION
TIPPS KENNETH L
TIPTON M J
TISDALE OIL COMPANY
TITAN EXPLORATION LLC
TITAN OIL COMPANY
TITAN RESOURCES CORPORATION
TIVERTON PETROLEUM INC
TOBIN CLIFF
TOBINSNET OIL & GAS LTD
TOC OIL INC
TOC-ROCKY MOUNTAIN INC
TOCO CORPORATION
TOD OIL INCORPORATED
TODD RESOURCES INC
TODD SAMUEL P
TOMAHAWK OIL & MINERALS
TOMBERLIN BILL M
TONKA OIL & GAS PRODUCTION INC
TOOKE WALTER P
TORCH E & P COMPANY
TORCH OIL & GAS COMPANY
TORCH OPERATING COMPANY
TORCHLIGHT OIL & GAS
TOTAL PETROLEUM INC
TOWER COLOMBIA CORPORATION
TOWER OIL & GAS CO OF TEXAS
TOWER PETROLEUM COMPANY
TOWN OF LOVELL
TOWN OF MANDERSON
TOWN OF UPTON
TOWN OF WHEATLAND
TOWNE W S
TOWNSEND BILL
TOWNSEND COMPANY
TOWNSEND W D
TR ENERGY INC
TR OPERATING LLC
TRACE ENERGY SERVICES INC
TRACE VENTURES EXPLO
TRACKER RESOURCE DEVELOPMENT III LLC
TRAFF CLIFF JR
TRAIL ENERGY LLC
TRAMMELL & SCHOLL
TRANS-ERA PETROLEUM INC
TRANS-TEX DRILLING CO
TRANS-TEXAS ENERGY INC
TRANS-WESTERN PETROLEUM LTD
TRANSCO EXPLORATION COMPANY
TRANSCONTINENTAL OIL CORP
TRANSENERGY INCORPORATED
TRANSGLOBE OIL & GAS CORPORATION
TRANSHORIZON ENERGY INC
TRANSWESTERN PERTOLEUM INC
TRANSWORLD PETROLEUM INC
TRANSWORLD SYSTEMS PETROLEUM INC
TRAVERSE OIL COMPANY
TRAVIS OIL CO
TREND EXPLORATION I LLC
TREND RESOURCES LTD
TRESOR PETROLEUM
TRESSLER JOHN R & IVA M
TRI STATE HOLE PLUGGING
TRI-EX CORPORATION
TRI-G OIL COMPANY
TRIANGLE J OIL COMPANY
TRIBAR RESOURCES LLC
TRICENTROL UNITED STATES INC
TRICO INC
TRIDENT ENERGY INC
TRIGG DRILLING CO INC
TRIGG FAMILY TRUST
TRIGG JOHN H
TRIGG OIL MINING CORPORATION
TRIGOOD OIL COMPANY
TRIHOPE RESOURCES LTD
TRINITY ENERGY RESOURCES INC
TRINITY OAKS OIL & GAS LLC
TRINITY RESOURCES INC
TRIPLE B ENERGY INC
TRIPLE B LIMITED PARTNERSHIP B 1998
TRIPLE J OIL RESOURCES
TRIPOL INC
TRIPOWER RESOURCES LLC
TRIPP OIL COMPANY INC
TRISTAR ENERGY CORPORATION
TRITON COAL COMPANY LLC
TRITON OIL & GAS CORPORATION
TRONA ENERGY II LLC
TROTTER JOHN F
TROUT KYE JR
TRUE & BROWN OIL PRODUCERS
TRUE OIL LLC
TRUMBADOR OIL COMPANY
TRUSS & KID
TSCHETTER JOHN J
TUCKER & SNYDER EXPLORATION INC
TUG OIL COMPANY
TUMBLEWEED DRILLING
TURK-KEHLE & ASSOCIATES
TURLOCK IRRIGATION DISTRICT
TURNER SMITH & ASSOCIATES
TURNKEY OIL COMPANY INC
TWENTIETH CENTURY CORPORATION
TWIFORD FOREST
TWIN ARROW INC
TWIN EAGLE PETRO CORP
TWIN EAGLE RANCH LLC
TWIN PEAKS OIL & GAS
TWO STATES EXPLORATION LTD
TXO PRODUCTION CORPORATION
TYEE PRODUCTION COMPANY LLC
TYL OIL
TYLER ROCKIES EXPLORATION LTD
TYLER TERRENCE
TYREX OIL COMPANY

U

U & I OIL PRODUCTION COMPANY
U S ENERGY CORP
U S ENERGY GROUP
U S EXPLORATION INC
U S GEOLOGICAL SURVEY
U S NATURAL GAS CORP
U S NATURAL RESOURCES
U S OIL & DEVELOPMENT CO
U S OIL & GAS COMPANY
U S OPERATING INC
U S PETROLEUM COMPANY
U S SIGNAL OIL & GAS
U S SMELTING & REFINING
U S SMELTING REFINING & MINING
U V INDUSTRIES
U-NEVA INDUSTRIAL INC
U-NO OIL SYNDICATE
U-TEX OIL COMPANY
UINTA GAS & OIL COMPANY
ULTRA WYOMING LLC
ULTRAMAR OIL & GAS LTD
UNDERWOOD OIL & GAS
UNICON PRODUCING
UNICORN DRILLING INC
UNIOIL
UNION OIL CO OF CALIFORNIA
UNION TEXAS PETROLEUM
UNIT DRILLING & EXPLORATION CO
UNIT PETROLEUM COMPANY
UNITA OIL & DVELOPMENT CO
UNITED ENERGY
UNITED ENERGY CORPORATION
UNITED NATURAL GAS LLC
UNITED NATURAL RESOURCES CORP
UNITED OIL & MINERAL
UNITED OIL COMPANY
UNITED PETROLEUM CORPORATION
UNITED RESOURCES CORP
UNITED RESOURCES TECHNOLOGY INC
UNITED STATES OIL COMPANY
UNITED UTILITIES CORPORATION
UNITED WESTERN OIL & GAS CO
UNIVERSAL FUELS COMPANY
UNIVERSAL OIL & GAS LLC
UNIVERSAL PRODUCTION
UNIVERSITY OF TEXAS EL PASO
UNKNOWN
UNLIMITED OPPORTUNITIES
UNTERZUBER H R
UPDIKE HUGHE
UPDIKE RESOURCES INC
UPL PINEDALE LLC
UPTON RESOURCES USA INC
URANERZ ENERGY CORPORATION
URBAN OIL & GAS GROUP LLC
URROZ OIL & GAS LLC
US AIR FORCE
US ORE CORPORATION
US REALM VENTURES LLC
USA ENERGY LLC
USA EXPLORATION & PRODUCTION LLC
UTAH GALENA OIL CORPORATION
UTAH OIL & REFINING
UTAH SOUTHERN OIL
UTAH-VERNAL OIL CO & PALISADE PTR CO
UTC ENERGY RESOURCES INC
UTE OIL COMPANY
UTE ROYALTY CORPORATION
UTELAND OIL EXPLORATION
UTEX EXPLORATION COMPANY
UW SCHOOL OF ENERGY RESOURCES

V

V A RESOURCES LLC
V T RESOURCES INC
V-F PETROLEUM
VALENTINE CONSTRUCTION INC
VALENTINE OIL
VALENTINE PIPE & EQUIPMENT
VALERO PRODUCING COMPANY
VALEX PETROLEUM INC
VALKYRIE OPERATING LLC
VALKYRIE RESOURCES LLC
VALKYRIE RESOURCES PARTNERS LLC
VALOR EXPLORATION LLC
VAN DER VELDE
VAN HORN WALTER
VAN NORMAN & WOOD
VAN NORMAN JERRY
VAN NORMAN PIPE AND SUPPLY
VAN RYAN L O
VANDERBILT RESOURCES COMPANY
VANDEVEER J W
VANMARK JACK
VANTAGE ENERGY GREEN RIVER LLC
VANTAGE POINT ENERGY
VANTAGE POINT OPERATING
VAQUERO BIG HORN LLC
VAQUERO ENERGY INC
VAST OIL INC
VASTAR RESOURCES INC
VAUGHEY VAUGHEY AND BLACKBURN
VAUGHN JR G H
VAUGHN PETROLEUM INC
VCP WYOMING LLC
VECTA OIL & GAS LTD
VECTOR MINERALS CORPORATION
VENTRUM ENERGY CORPORATION
VENTURA OIL COMPANY
VENTURE OIL & GAS COMPANY
VERITAS GEOGHYSICAL
VERMILION ENERGY USA LLC
VERMILLION ARTHUR L
VERMILLION OIL COMPANY
VERNON 2005 LIMITED PARTNERSHIP
VERONDA G R
VESSELS OIL & GAS COMPANY
VESSELS TOM JR ETAL
VESTA INC
VF NEUHAUS PROPERTIES INC
VHJ ENERGY LLC
VIABLE RESOURCES INC
VICKERS PETROLEUM COMPANY
VICKERY DRILLING CO INC
VICORP ENERGY INC
VICTORIA EXPLORATION INC
VICTORIA PETROLEUM
VICTORY MINERALS CORPORATION
VICTORY RESOURCES INC
VIERSEN & COCHRAN
VIKING PETROLEUM INC
VIKING RESOURCES CORP
VINITA DRILLING & EXPLORATION INC
VINTAGE PETROLEUM INC
VIOLA PRODUCTION INC
VITRO MINERALS CORP
VKB OIL COMPANY
VOLLNER & GORGES
VORTEX PETROLEUM INC
VOSS DALE H
VOSS ENTERPRISES
VOSS OIL COMPANY
VOSS WARREN
VOYAGER EXPLORATION INC
VOYAGER PETROLEUM INC

W

W & M OIL COMPANY
W C OPERATOR LLC
W F ROGERS DRILLING COMPANY
W J W OIL COMPANY
WACKER OIL INC
WADE FLOYD R
WADLEY J K
WAGGENER L N INC
WAGGONER-BALDRIDGE ENERGY
WAGNER & BROWN LIMITED PARTNERSHIP
WAINOCO OIL & GAS COMPANY
WAKEFIELD EARL F
WALKER C R
WALKER JIM
WALKER L WILLIS
WALL STREET FINANCIAL PROGRAMS
WALLACE A T
WALLWAY M J
WALSH MICHAEL H
WALTON PAUL T
WAMSUTTER E&P LLC
WAPITI OIL & GAS LLC
WAPITI OPERATING LLC
WAPITI ROCKY MOUNTAIN, L.L.C.
WARD ALFRED & SON
WARD OIL & GAS
WARD PETROLEUM CORPORATION
WARE HOUSE INDUSTRIES
WARM SPRINGS SYNDICATE
WARREGO OIL & GAS LLC
WARREN E & P INC
WARREN ENTERPRISES INC
WARREN PETROLEUM CORP
WARREN RESOURCES INC
WARRIOR ENERGY HOLDINGS INC
WASATCH ENERGY INC
WASATCH OIL & GAS
WASATCH-CAMERON
WASATCH-IDAHO PRODUCTION
WASHAKIE ENERGIES COMPANY
WASHAKIE MIDSTREAM SERVICES LLC
WASHAKIE OIL COMPANY
WASHBURN LEE
WASHINGTON ENERGY EXPLORATION
WASHINGTON ENERGY OIL INC
WASSON EDWARD B
WATERFORD PRODUCTION CO
WATERPOINT LLC
WATERS F
WATERS GEORGE B
WATKINS J N
WATKINS R & B
WAVE ENERGY INC
WAVE PETROLEUM LLC
WAVE PETROLEUM OPERATING LLC
WBI ENERGY TRANSMISSION INC
WEATHERS W D
WEAVER DALE INC
WEAVER OIL INC
WEBB RESOURCES INC
WEBSTER JOE
WEDCO
WEIR C E
WELLINGTON OPERATING
WELLS & MAYER
WELLS DONNELL O
WELLSTAR CORPORATION
WELSH JOHN J
WELTY OIL COMPANY
WEM JOINT VENTURE
WENTWORTH G C
WENTZ JOE ETAL
WEPCO ENERGY LLC
WERKIR OIL
WERNER METHANE DEVELOPMENT LLC
WESCO OIL COMPANY
WESCO OPERATING INC
WESCO PRODUCTION LLC
WESCO RESOURCES INC
WESSELY ENERGY CORPORATION
WESSELY EXPLORATION
WEST BONANZA OIL COMPANY INC
WEST COAST OIL CO INC
WEST FORK OPERATING LLC
WEST FRONT ENERGY
WEST GAS INC
WEST JAMES WENDELL
WEST MULE CREEK UNIT INC
WEST R B OIL
WEST RAWLINS COMPANY
WEST SAND DRAW SYNDICATE
WEST WARM SPRINGS PETROLEUM LLC
WESTAR DRILLING VENT
WESTAR RESOURCES INC
WESTATES PETROLEUM COMPANY
WESTBURNE DRILLING INC
WESTBURNE EXPLORATION
WESTBURNE PETROLEUM INC
WESTCO OIL
WESTECH ENERGY CORPORATION
WESTERN AMERICAN RESOURCES LLC
WESTERN DISCOVERY USA INC
WESTERN ENERGY RESOURCES INC
WESTERN GAS RESOURCES INC
WESTERN GEOPHYSICAL
WESTERN INTERIOR ENERGY INC
WESTERN INTERIOR OIL & GAS CORP
WESTERN INTERSTATE
WESTERN MINERAL COMPANY
WESTERN NATURAL GAS INC
WESTERN NUCLEAR INC
WESTERN OIL & GAS LLC
WESTERN OIL FIELDS INC
WESTERN OIL REFINING COMPANY
WESTERN OPERATING COMPANY
WESTERN PETROLEUM COMPANY
WESTERN PETROLEUM CORP
WESTERN PIPE & SUPPLY INC
WESTERN STATES OIL COMPANY
WESTERN WELLSITE SERVICES LLC
WESTERN WYO COMMUNITY COLLEGE
WESTERNGECO LLC
WESTFIELD OIL & GAS COMPANY
WESTLAND ENERGY INC
WESTON DRILLING COMPANY
WESTON ENGINEERING INC
WESTPORT OIL & GAS COMPANY LP
WESTRANS PETROLEUM INC
WESTSTAR OIL & GAS INC
WESX PETROLEUM
WEXPRO COMPANY
WEXPRO DEVELOPMENT COMPANY
WEXPRO II COMPANY
WHARY PETROLEUM
WHEATLEY THOMAS F
WHEDON OIL
WHEELER CHAS E ETAL
WHELESS DRILLING COMPANY
WHISKEY MOUNTAIN ENERGY LLC
WHISLER ENTERPRISE COMPANY
WHITE JACK
WHITE MOUNTAIN TRANSPORT SERVICES LLC
WHITE RIVER CORPORATION
WHITE ROCK OIL & GAS LLC
WHITE ROCK OIL COMPANY
WHITE SHIELDS
WHITEMAN A J
WHITING OIL & GAS CORPORATION
WHITMAR EXPLORATION COMPANY
WICHITA RIVER OIL CORPORATION
WIEBELHAUS RALPH
WIEPKING-FULLERTON ENERGY LLC
WIESELER CLAIR F
WIGGS GUY L
WIGLEY J M
WILBANKS EXPLORATION INC
WILCOX OIL
WILDCAT DRILLING CO
WILDERNESS EXPLORATION
WILDERNESS OIL & GAS LLC
WILDFIRE PARTNERS INC
WILEY G O
WILKERSON FRANK M
WILLAN M W
WILLARD PEASE DRILLING CO
WILLIAMS E T OIL COMPANY
WILLIAMS EXPLORATION COMPANY
WILLIAMS JOE
WILLIAMS LEONARD A
WILLIAMS LUCILLE M
WILLIAMS PRODUCTION COMPANY
WILLIAMS REFINING COMPANY
WILLIAMS TED H
WILLIAMS W J
WILLIS W B & TOWER C
WILLISTON BASIN COSUL-PROFIT SH
WILLISTON INDUSTRIAL SUPPLY CORP
WILSHIRE ENTERPRISES INC
WILSHIRE OIL CO TX
WILSON DAVID R
WILSON OIL COMPANY
WILSON SUPPLY
WILTSE H D
WIN OIL COMPANY
WINCO PETROLEUM CORP
WIND RIVER DRILLING
WIND RIVER ENERGY COMMISSION
WIND RIVER EXPLORATION
WIND RIVER HYDROCARBONS INC
WIND RIVER OIL COMPANY
WIND RIVER SERVICES INC
WINDLE SERENO B
WINDSOR ENERGY GROUP LLC
WINDSOR OIL & GAS INC
WINKLER L W & SON
WINN EXPLORATION CO INC
WINNER EXPLORATION COMPANY
WINONA OIL COMPANY
WINSTON OIL COMPANY
WINTER RIDGE ENERGY LLC
WINTER WINTER AND BAKER
WINTERHAWK ENERGY
WINTERSHALL CORPORATION
WINTERSHALL PETRO CO
WIRKKALA BEN
WISE OIL COMPANY #2
WISE ROBERT
WISEMAN BIG MUDDY OIL COMPANY
WISER OIL COMPANY THE
WITTER JR GEORGE G
WITTLINGER WALTER
WLP OIL INC
WM WY ENERGY RESOURCES ll LLC
WM WY ENERGY RESOURCES LLC
WNU ENERGY LLC
WOGCC
WOLD ENERGY PARTNERS LLC
WOLD JOHN S
WOLD OIL & GAS
WOLD OIL PROPERTIES INC
WOLF ENERGY COMPANY
WOLF EXPLORATION COMPANY
WOLFE FRANK
WOLVERINE EXPLORATION
WOLVERINE GAS & OIL COMPANY OF WYO LLC
WOLVERINE GAS AND OIL CORPORATION
WOLVERINE OPERATIONS LLC
WOOD COMPANY THE
WOOD RIVER OIL & REFINING CO
WOODCO PIPE & SUPPLY CO
WOODRUFF T L
WOODS JACK
WOODS PETROLEUM CORPORATION
WOODS V A
WOODSIDE OIL COMPANY
WOODWARD & COMPANY
WOODWARD OIL
WOODWARD THOMAS C
WOOTON LUNA C
WOREED OIL COMPANY
WORLAND ASSOCIATES
WORLD FINANCIAL CORPORATION
WORLDWIDE PETROLEUM CORPORATION
WOV LLC
WPX ENERGY RM COMPANY
WPX ENERGY ROCKY MOUNTAIN LLC
WRC ENERGY LLC
WRIGHT & LACKEY
WRIGHT JOE
WULF OIL CO
WULFF HERMAN F
WY BASIN OPERATING LLC
WY CBM ENERGY LLC
WY-UT ASSOCIATES INC
WYALTA HOLDINGS LTD
WYATT B A
WYATT PETROLEUM CORPORATION
WYCHGRAM DANIEL C
WYCO OIL CO
WYCON CHEMICAL COMPANY
WYMIN OIL COMPANY
WYNN-CROSBY OPERATING LTD
WYO SOUTHERN OIL CO
WYOGCC
WYOIL CORP
WYOMING CONSOLIDATED GAS CORP
WYOMING CONTRACTORS ASSOC
WYOMING DRILLING COMPANY
WYOMING ENERGY PARTNERS LLC
WYOMING GAS & OIL COMPANY
WYOMING HIGH TEST
WYOMING ILLINOIS PETROLEUM CO
WYOMING MINERAL EXPLORATION LLC
WYOMING MINERALS LTD
WYOMING OIL & DEVELOPMENT CO
WYOMING OIL & EXPLORATION
WYOMING OIL & MINERALS INC
WYOMING OIL COMPANY
WYOMING PROPERTY MANAGEMENT INC
WYOMING RESOURCES CORPORATION
WYOMING VENTURE CAPITOL CORP
WYOMING WASTE WATER DISPOSAL
WYOMING WATER DEVELOPMENT COMMISSION
WYOMING WELL SERVICE
WYOMING WESTERN OIL
WYOMING WILD CAT OIL COMPANY
WYOMING-DAKOTA CORPORATION
WYOP INC
WYORE OIL COMPANY
WYTEX OIL CORP
WYTEX VENTURES LLC
WYTON OIL & GAS COMPANY

X

X O EXPLORATION CORP
XERIC OIL & GAS CORPORATION
XOG OPERATING LLC
XOIL INC
XPR WYOMING LLC
XPRO LLC
XTO ENERGY INC
XTREME DRILLING LLC

Y

Y U OIL INC
Y-H-S GROUP
YALE OIL CORPORATION
YALE PETROLEUM CORPORATION
YANANI OIL COMPANY
YATES DRILLING COMPANY
YATES MAURICE
YEGEN E C
YELLOW CREEK PROD & WATER DISPOSAL LLC
YELLOWSTONE DRILLING
YELLOWSTONE PETROLEUM
YOCKIM DENNIS W
YORK L M
YORMAN OIL COMPANY
YOUNG CLINT INC
YOUNG MARSHALL R OIL CO
YOUNGBLOOD
YOUNGS EDWARD G

Z

Z & S CONSTRUCTION CO INC
ZAPATA INCORPORATED
ZAVANNA RESOURCES LLC
ZEKAN GEORGE
ZENERGY INC
ZEPHYER PRODUCTION INC
ZEPHYR BAKKEN LLC
ZEPHYR DRILLING CORP
ZEPHYR WILLISTON LLC
ZERBST JAMES E
ZIEGLER C J
ZIEGLER VICTOR
ZIMMERMAN R E
ZINK EDMAN R & ASSOC
ZKB PROPERTIES
ZOCH FRANK P JR
ZOE OIL
ZOLLER & DANNEBERG E
ZONE OIL
ZONGE INTERNATIONAL INC
ZRC OPERATING LLC
ZULU OIL INC

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5,202 Wyomingoil & gas operators

0–9

1876 RESOURCES LLC

1ST NRG WYOMING INC

3B EXPLORATION LLC

44 MAG PRODUCTION INC

442 OPERATING LLC

4HC ENERGY LLC

4W RANCH

6M RESOURCES LLC

8 NORTH LLC

A

A K OIL

A O OIL

A-C OIL

AB2 MINERALS LLC

ABEL AND BAN

ABERCROMBIE J S MINE

ABERDEEN AMERICAN PETROLEUM COMPANY INC

ABERDEEN PETROLEUM USA INC

ABRAXAS PETROLEUM CORPORATION

AC ENGINEERING AND OP

ACCELL NATURAL GAS

ACCIDENTAL OIL COMPANY INC

ACE PETROLEUM

ACEITE ENERGY

ACKARD JOHN

ACKAT LLC

ACKERMAN J E

ACKERMAN R J

ACKMAN EDWARD J

ACME DISPOSAL LLC

ACME HOLDINGS LLC

ACTION ENERGY SERVICES

ACTIVE OIL AND GAS COMPANY

ADAIRCO LLC

ADAMA

ADAMAS ENERGY LLC

ADAMS EXPLORATION CO

ADAMS GLEN

ADAMS H D LLC

ADAMS LOUISIANA CO

ADOBE OIL

ADOBE RESOURCES CORPORATION

ADRIANCE OIL

ADSCO INCORPORATED

ADVANCED RECOVERY SERVICES CO

AETHON ENERGY OPERATING LLC

AETHON UNITED BR LP

AEXCO PETROLEUM INC

AFFIRMED RESOURCES OPERATING LLC

AFFLICK OIL

AGATE BASIN RESOURCES

AGNEW-SULLIVAN INC

AGRI-ACRES INC

AJAX ISLAND PETROLEUM INC

AJAX OIL COMPANY

AKERS A A

ALADDIN PETROLEUM CORPORATION

ALASKA DEVELOPMENT CO

ALASKA ENERGY CORPORATION

ALBA ENERGY LLC

ALBERT DEVELOPMENT SYN

ALBERT K S

ALBRECHT PAUL

ALBRECHT RICHARD AND CAROL

ALDERDICE G W

ALEVIZAKES JOHN P

ALEXANDER ENERGY CORPORATION

ALEXANDER H E

ALIAS PVT LTD LLC

ALKALI BUTTE OIL COMPANY

ALL FIELD SERVICE INC

ALL MINERALS INC

ALL STATE OIL AND GAS

ALLARDYCE R L

ALLCO EXPLORATION COMPANY

ALLEGHENY CORP

ALLEN AND BUTLER

ALLEN AND CROUCH