| ANDERSON RONNIE | 17552 | CUSHING | 3 | 2 |
| ANDERSON SAM | 17935 | FAIRFAX | 0 | 0 |
| ANDERSON SR CARL C | 13667 | ALBUQUERQUE | 2 | 1 |
| ANDERSON T MAXWELL | 2792 | TULSA | 1 | 1 |
| ANDERSON/JORDAN PETROLEUM CORP | 14086 | AUSTIN | 0 | 0 |
| ANDREA OPERATING COMPANY | 15646 | EDMOND | 0 | 0 |
| ANDREA OPERATING COMPANY | 16114 | EDMOND | 0 | 0 |
| ANDRESS BILL O | 10969 | TULSA | 26 | 3 |
| ANDREWS MARK | 5782 | PURCELL | 1 | 1 |
| ANDREWS OILFIELD SERVICE DRLG | 13662 | WASHINGTON | 2 | 2 |
| ANGEL EXPLORATION COMPANY | 17018 | OKLAHOMA CITY | 3 | 1 |
| ANGEL EXPLORATION LLCActive | 21591 | OKLAHOMA CITY | 82 | 5 |
| ANGELO OIL & GAS CO | 11608 | SAPULPA | 0 | 0 |
| ANGIE S PARKER DBA PARKER CUTNOSE OILActive | 25108 | SAND SPRINGS | 1 | 1 |
| ANGLIN OIL & GAS | 18150 | KIEFER | 1 | 1 |
| ANGUS ENERGY INCActive | 25134 | Chandler | 2 | 1 |
| ANJET PETROLEUM COMPANY INC | 15082 | GULFPORT | 20 | 4 |
| ANNASTIN ENERGY LLC | 24039 | OKLAHOMA CITY | 0 | 0 |
| ANNDELL ENERGY CORPORATION | 20967 | MUSTANG | 13 | 1 |
| ANR PRODUCTION COMPANY | 7026 | HOUSTON | 11 | 9 |
| ANSCHUTZ EXPLORATION CORP | 8398 | DENVER | 15 | 7 |
| ANSLEY RESOURCES | 13230 | LAWTON | 4 | 2 |
| ANSON CHARLES dba ANSON OILActive | 8097 | SEMINOLE | 2 | 2 |
| ANSON COMPANY | 16100 | OKLAHOMA CITY | 77 | 17 |
| ANSON J W | 5228 | SEMINOLE | 2 | 1 |
| ANSON PRODUCTION CORPORATION | 20291 | OKLAHOMA CITY | 0 | 0 |
| ANSON ROBERT L & TERESA MActive | 20996 | SEMINOLE | 23 | 2 |
| ANSON THOMAS E dba ANSON PRODUCTION COMPANYActive | 22536 | SEMINOLE | 2 | 2 |
| ANSON TOM | 14143 | CALVIN | 1 | 1 |
| ANSTINE & MUSGROVE INCActive | 21424 | Ponca City | 52 | 2 |
| ANSTINE-MUSGROVE OIL COMPANY | 17025 | PONCA CITY | 1 | 1 |
| ANTARA RESOURCES INC | 19701 | HOUSTON | 0 | 0 |
| ANTARES ENERGY COMPANY | 21656 | DALLAS | 6 | 2 |
| ANTARES OIL CORPORATION | 15518 | DENVER | 0 | 0 |
| ANTERO RESOURCES CORPORATION | 21765 | DENVER | 33 | 4 |
| ANTHEM ENERGY OPERATING (OKLAHOMA) LLCActive | 25106 | Tulsa | 10 | 1 |
| ANTHIS LAND COMPANY LLC | 23420 | Tulsa | 0 | 0 |
| ANTIOCH DISPOSAL WELL INC | 15402 | DUNCAN | 0 | 0 |
| ANTIOCH OPERATING LLCActive | 23947 | DALLAS | 72 | 5 |
| ANTIOCH ROYALTY CORP | 10034 | RICHARDSON | 0 | 0 |
| ANTLERS ENERGY LLCActive | 24434 | TULSA | 43 | 1 |
| ANTLERS ENTERPRISES INC | 12609 | STROUD | 0 | 0 |
| ANTLERS EXPLORATION CORP | 10689 | TULSA | 2 | 2 |
| ANTRIM RESOURCES INC | 17813 | DENVER | 0 | 0 |
| ANTRY EXPLORATION CO | 10804 | TULSA | 3 | 1 |
| ANVIL OIL COMPANY | 6417 | BARTLESVILLE | 0 | 0 |
| ANZAC OIL & GAS INC | 10483 | WAURIKA | 3 | 2 |
| AOG OPERATING LLCActive | 23059 | OKLAHOMA CITY | 301 | 35 |
| AOP OPERATING CORPORATION | 18971 | DALLAS | 1 | 1 |
| APACHE CORPORATION | 6778 | HOUSTON | 565 | 40 |
| APACHE DRILLING CO INC | 16650 | NESS CITY | 1 | 1 |
| APACHE ENERGY RESOURCES CORP | 18914 | HOUSTON | 3 | 2 |
| APC OPERATING PARTNERSHIP LP | 12668 | TULSA | 10 | 5 |
| APEX ENERGY INC | 7443 | NORMAN | 2 | 2 |
| APEX EXPLORATION INC | 18495 | GOLDEN | 0 | 0 |
| APEX MINERALS INC | 11586 | OKLAHOMA CITY | 3 | 3 |
| APEX TOOLS | 17118 | HEALDTON | 0 | 0 |
| APEXCO INCActive | 16788 | Tecumseh | 9 | 7 |
| APMC PROPERTIES | 14130 | GREENVILLE | 0 | 0 |
| APOGEE OIL & GAS LLCActive | 24277 | EDMOND | 5 | 1 |
| APOGEE PETROLEUM CORPORATION | 14144 | SHAWNEE | 1 | 1 |
| APOLLO ENERGIES INCActive | 21137 | PRATT | 8 | 5 |
| APOLLO FINANCE CORP | 17740 | EDMOND | 0 | 0 |
| APOLLO OIL & GAS COMPANY | 14220 | BARTLESVILLE | 9 | 2 |
| APOLLO OPERATING INC | 13232 | DALLAS | 0 | 0 |
| APOLLO PROD SERVICES INC | 16789 | DALLAS | 0 | 0 |
| APOLLO PRODUCTION LTD | 8784 | DALLAS | 11 | 1 |
| APPLE PETROLEUM CORP | 17829 | MOUNTAINSIDE | 0 | 0 |
| APPLETON OIL COMPANY | 84 | CHICAGO | 147 | 15 |
| APSS INCActive | 23322 | — | 0 | 0 |
| APX CORPORATION | 5193 | OKLAHOMA CITY | 7 | 2 |
| AQUA OIL INC | 16356 | ENID | 1 | 1 |
| AQUA-OIL INC | 19555 | ENID | 33 | 1 |
| AQUACAT LLCActive | 24792 | COALGATE | 0 | 0 |
| AQUANYX MIDSTREAM LLCActive | 24606 | OKLAHOMA CITY | 2 | 1 |
| AQUARIAN ENERGY CORPORATION | 10374 | COWETA | 12 | 3 |
| AQUARIUS OIL & GAS CORP | 12606 | DENVER | 0 | 0 |
| AQUILA ENERGY RESOURCES CORP | 18451 | HOUSTON | 14 | 4 |
| AQUILA RESOURCES & DEV INC | 11787 | BARTLESVILLE | 1 | 1 |
| AR OPERATING LLC | 23712 | FORT WORTH | 0 | 0 |
| ARAPAHO ENTERPRISES INC | 17027 | EDMOND | 1 | 1 |
| ARAPAHO PETROLEUM INC | 1794 | ENGLEWOOD | 7 | 3 |
| ARAPAHO RESOURCES LTD | 16442 | LITTLETON | 0 | 0 |
| ARAPAHOE RESOURCES LLCActive | 21203 | OKLAHOMA CITY | 17 | 7 |
| ARAXAS EXPLORATION INC | 17639 | MUSKOGEE | 3 | 3 |
| ARBIN CLEO OPERATING INC | 23437 | EDMOND | 0 | 0 |
| ARBOR PETROLEUM CORPORATION | 8036 | OKLAHOMA CITY | 5 | 2 |
| ARBUCKLE ENTERPRISES INC | 10857 | EDMOND | 56 | 11 |
| ARC WELL SERVICE INC | 14557 | BARTLESVILLE | 0 | 0 |
| ARCADIA OIL COMPANY | 22318 | EDMOND | 1 | 1 |
| ARCADIA REFINING COMPANY | 8736 | TYLER | 1 | 1 |
| ARCANA ENERGY CORP INC | 16032 | BARTLESVILLE | 2 | 1 |
| ARCH OIL & GAS LLC | 24118 | DALLAS | 0 | 0 |
| ARCHER OIL COMPANY | 16139 | CLAREMORE | 3 | 1 |
| ARCHIBALD OIL & GAS OPERATING INCActive | 18538 | ADA | 48 | 8 |
| ARCHLYND OIL COMPANY | 16267 | ADA | 0 | 0 |
| ARCHSTONE RESOURCES LLC | 24400 | HOUSTON | 0 | 0 |
| ARCO SOUTHWEST INC | 19166 | DALLAS | 0 | 0 |
| ARCOTEX OIL & GAS INCActive | 21438 | GAINESVILLE | 22 | 5 |
| ARDCO INC | 15245 | BARTLESVILLE | 3 | 1 |
| ARDEN RESOURCES INC | 16986 | TULSA | 0 | 0 |
| ARDENT ENERGY LLCActive | 24748 | OKLAHOMA CITY | 3 | 2 |
| ARDMORE DRILLING COMPANY | 86 | ARDMORE | 83 | 12 |
| ARDMORE PRODUCTION & EXPLORATION COActive | 16133 | ARDMORE | 171 | 6 |
| ARENA RESOURCES INC | 21176 | OKLAHOMA CITY | 0 | 0 |
| ARGALI RESOURCES | 10987 | DALLAS | 163 | 2 |
| ARGEE OIL COMPANY | 5749 | MIDLAND | 2 | 1 |
| ARGENT ENERGY (US) HOLDINGS INC | 23099 | SUGAR LAND | 0 | 0 |
| ARGENT ENERGY INC | 17803 | WICHITA | 0 | 0 |
| ARGENT EXPLORATION INC | 19176 | WICHITA | 1 | 1 |
| ARGO ENERGY PARTNERS LP | 21015 | CORSICANA | 0 | 0 |
| ARGOS ENERGY CORP | 14004 | GOLDEN | 0 | 0 |
| ARICA ENERGY COMPANY | 11324 | BEGGS | 9 | 1 |
| ARIES EXPLORATION CO INC | 16363 | MAUD | 13 | 4 |
| ARIES OIL CORPORATION | 6689 | DALLAS | 4 | 3 |
| ARIES OPERATING LP | 20251 | HOUSTON | 17 | 2 |
| ARK RIVER RESOURCES LLCActive | 24753 | MIDLAND | 1 | 1 |
| ARKANA OPERATING COMPANY INC | 20256 | FORT WORTH | 2 | 2 |
| ARKANSAS OKLA ENERGY & INV CO | 14145 | IMBODEN | 0 | 0 |
| ARKHOMA TRANSPORTS INC | 21227 | PERRYTON | 2 | 1 |
| ARKLA ENERGY RESOURCES | 87 | SHREVEPORT | 2 | 2 |
| ARKOMA ASSOCIATES | 11805 | DEL CITY | 0 | 0 |
| ARKOMA BASIN EXPLORATION | 12576 | DALLAS | 4 | 1 |
| ARKOMA ENERGY CORPORATION | 10833 | ENID | 3 | 3 |
| ARKOMA GAS COMPANY | 7570 | EDMOND | 12 | 3 |
| ARKOMA HOLDING CORPORATION | 20651 | OKLAHOMA CITY | 0 | 0 |
| ARKOMA HOLDING LLC | 20786 | FORT WORTH | 0 | 0 |
| ARKOMA LEASING OPERATING LLC | 24019 | OKLAHOMA CITY | 0 | 0 |
| ARKOMA OPERATIONS LLC | 24356 | TULSA | 10 | 2 |
| ARKOMA OUACHITA EXPLORATION CO | 14154 | TULSA | 0 | 0 |
| ARKOMA PRODUCTION COMPANY | 10511 | SHREVEPORT | 8 | 4 |
| ARKOMA RESOURCES LLCActive | 20271 | HENRYETTA | 736 | 19 |
| ARKOMA TANKS LLCActive | 23387 | — | 0 | 0 |
| ARLINGTON PETROLEUM LLC | 23621 | FORT SMITH | 1 | 1 |
| ARMADA OPERATING LLC | 21620 | DALLAS | 0 | 0 |
| ARMER HERBERT | 16453 | GREEN FOREST | 0 | 0 |
| ARMITAGE JERALD dba JEM OILFIELD SERVICES LLCActive | 24602 | Bartlesville | 12 | 1 |
| ARMOR ENERGY II LLCActive | 24641 | TULSA | 7 | 5 |
| ARMOR ENERGY LLC | 23921 | TULSA | 1 | 1 |
| ARMOR PETROLEUM INC | 18829 | WICHITA FALLS | 18 | 5 |
| ARMOR SWD INCActive | 23252 | OKLAHOMA CITY | 1 | 1 |
| ARMSTRONG & MCLEOD COMPANY | 90 | OKMULGEE | 2 | 2 |
| ARMSTRONG EDWARD G | 18533 | OOLOGAH | 2 | 1 |
| ARMSTRONG ENERGY CORPORATION | 17746 | ROSEVILLE | 0 | 0 |
| ARMSTRONG RESOURCES MGMT INC | 15712 | NORMAN | 1 | 1 |
| ARN-MITT ENERGY INC | 17285 | HOUSTON | 4 | 1 |
| ARNDT C RICHARD & CHARLEEN | 18520 | CLEVER | 0 | 0 |
| ARNETT SALTWATER DISPOSAL LLC | 22782 | SHATTUCK | 0 | 0 |
| ARNOLD CECIL B | 13887 | HASKELL | 0 | 0 |
| ARNOLD DONNA | 21359 | CLAREMORE | 16 | 1 |
| ARNOLD ENERGY LLC | 22653 | COLLINSVILLE | 0 | 0 |
| ARNOLD FRED W | 19029 | HASKELL | 0 | 0 |
| ARNOLD OIL PROPERTIES INC | 16066 | OKLAHOMA CITY | 11 | 5 |
| ARNOLD OIL PROPERTIES LLCActive | 22061 | OKLAHOMA CITY | 64 | 7 |
| ARNOLD PETROLEUM CO | 2681 | OKLAHOMA CITY | 11 | 4 |
| ARNOLD STEVE | 20850 | CLAREMORE | 0 | 0 |
| AROC (TEXAS) INC | 21478 | HOUSTON | 0 | 0 |
| ARP OKLAHOMA LLC | 23072 | FORT WORTH | 8 | 3 |
| ARP OPERATING LLC | 24347 | OKLAHOMA CITY | 0 | 0 |
| ARPEL INC | 15591 | OKLAHOMA CITY | 4 | 2 |
| ARRINGTON CJM INC | 17518 | CANADIAN | 14 | 7 |
| ARRINGTON DAVID OIL & GAS INC | 18263 | MIDLAND | 1 | 1 |
| ARRINGTON J H | 93 | EDMOND | 22 | 8 |
| ARRINGTON PROPERTIES INC | 11701 | EDMOND | 0 | 0 |
| ARRINGTON VENETA BERRY TRUST | 8658 | EDMOND | 0 | 0 |
| ARRIVA ENERGY INC | 22376 | BLANCHARD | 0 | 0 |
| ARRIVA PETROLEUM ENERGY INC | 22381 | NEWCASTLE | 0 | 0 |
| ARROW DISPOSAL INC | 6406 | WATONGA | 0 | 0 |
| ARROW ENERGY INCActive | 21422 | ADA | 120 | 7 |
| ARROW OIL & GAS LLCActive | 7250 | NORMAN | 331 | 34 |
| ARROW OPERATING CO INCActive | 24898 | ADA | 40 | 2 |
| ARROW OPERATING COMPANY INC | 19547 | ADA | 13 | 2 |
| ARROW PRODUCTION COMPANY | 10864 | TULSA | 9 | 1 |
| ARROWHEAD ENERGY INCActive | 10239 | EDMOND | 50 | 19 |
| ARROWHEAD OPERATING INCActive | 22963 | BARTONVILLE | 82 | 2 |
| ART DRILLING INC | 14232 | BETHANY | 0 | 0 |
| ARTEEBEE, LLCActive | 25234 | crescent | 5 | 3 |
| ARTHUR INDUSTRIES INC | 16254 | EDMOND | 0 | 0 |
| ARTHUR OIL CORPORATION | 15370 | HOUSTON | 0 | 0 |
| ARUBA PETROLEUM INC | 24083 | DALLAS | 3 | 1 |
| ARVINE ENVIRONMENTAL LLCActive | 21008 | NORMAN | 11 | 3 |
| ARVINE PIPE & SUPPLY CO INCActive | 7338 | NORMAN | 99 | 24 |
| ASE OPERATIONS LIMITED LIABILITY COMPANYActive | 24786 | Dallas | 11 | 1 |
| ASHBURN & ASSOCIATES INC | 14235 | OKLAHOMA CITY | 0 | 0 |
| ASHER ENTERPRISES LTD CO | 22408 | TULSA | 0 | 0 |
| ASHER RESOURCES | 18442 | SAN ANTONIO | 0 | 0 |
| ASHER TIP CORPORATION | 612 | FAIRFAX | 2 | 1 |
| ASHFORD DONALD R | 19597 | KIEFER | 0 | 0 |
| ASHFORD RONALD EUGENE | 16618 | KIEFER | 0 | 0 |
| ASHLAND EXPLORATION INC | 95 | HOUSTON | 3 | 3 |
| ASHLEY JIM COMPANY (THE)Active | 8140 | NORMAN | 5 | 1 |
| ASHLOCK RESOURCES LLCActive | 24956 | Woodward | 327 | 31 |
| ASHLOCK THOMAS J | 13685 | SKIATOOK | 0 | 0 |
| ASHTON ROY L | 18230 | SAPULPA | 0 | 0 |
| ASM OIL INC | 12706 | EL RENO | 0 | 0 |
| ASPECT ENERGY LLC | 20672 | DENVER | 0 | 0 |
| ASPEN ENERGY GROUP INC | 20788 | CALGARY | 7 | 6 |
| ASPEN EXPLORATION CORP | 11016 | DENVER | 0 | 0 |
| ASPEN GOLD INC | 18348 | BOOKER | 0 | 0 |
| ASPEN LAND & EXPLORATION CO | 18065 | TULSA | 1 | 1 |