| ASPEN OIL COMPANY INC | 3363 | YUKON | 15 | 8 |
| ASPEN OPERATING COMPANY LLC | 22365 | FORT WORTH | 6 | 5 |
| ASPEN PRODUCTIONS INC | 12174 | OKLAHOMA CITY | 6 | 2 |
| ASPIRE EXPLORATION LLC | 21693 | CLEVELAND | 0 | 0 |
| ASSIDUOUS ENERGY LLCActive | 24008 | EDMOND | 55 | 3 |
| ASSOCIATED OIL PROPERTIES | 872 | AGOURA HILLS | 6 | 5 |
| ASSOCIATED PETRO INVEST INC | 18968 | STILLWATER | 10 | 1 |
| ASSOCIATES RESOURCE CORP | 8706 | DALLAS | 3 | 1 |
| ASTRO CORPORATION | 3606 | TULSA | 0 | 0 |
| ASTRO ENERGY CORPORATION | 7963 | EDMOND | 5 | 3 |
| ATALAYA RESOURCES LLC | 23658 | TULSA | 3 | 2 |
| ATC REALTY EIGHT INC | 13488 | SAN FRANCISCO | 0 | 0 |
| ATCHLEY RESOURCES INCActive | 20266 | OKLAHOMA CITY | 82 | 23 |
| ATCO PRODUCTION CO INC | 13951 | NOWATA | 0 | 0 |
| ATHABASCA ENERGY CORPORATION | 16676 | SIMONTON | 10 | 4 |
| ATHAN INCActive | 12524 | EDMOND | 39 | 9 |
| ATHENA ENERGY INC | 18377 | HENDERSONVILLE | 8 | 7 |
| ATHENA OIL CO INC | 22054 | PAWHUSKA | 0 | 0 |
| ATKESON GREGORY B DBA R & R OILActive | 24579 | ADA | 0 | 0 |
| ATKINSON J R | 4847 | TULSA | 0 | 0 |
| ATKINSON J V | 6300 | MIDLAND | 37 | 5 |
| ATKINSON WM H ESTATE | 98 | OKLAHOMA CITY | 3 | 1 |
| ATL RESOURCES LLC | 21808 | DALLAS | 0 | 0 |
| ATLANKO OIL & GAS INC | 18933 | TULSA | 0 | 0 |
| ATLANTIC RICHFIELD COMPANYActive | 99 | Houston | 453 | 31 |
| ATLAS GROWTH OKLAHOMA LLC | 23517 | FORT WORTH | 0 | 0 |
| ATLAS OIL INC | 10036 | OKLAHOMA CITY | 4 | 3 |
| ATLAS OPERATING LLCActive | 22624 | HOUSTON | 71 | 8 |
| ATLAS PETROLEUM LLCActive | 24299 | Oklahoma City | 182 | 3 |
| ATLS PRODUCTION COMPANY LLC | 23256 | FORT WORTH | 9 | 2 |
| ATOKA PIPE LINE CORPORATION | 14630 | TULSA | 0 | 0 |
| ATRIUM OIL & GAS CO OF OKLA INC | 17089 | TULSA | 0 | 0 |
| ATTEBERRY ENGINEERING | 13964 | EDMOND | 5 | 5 |
| ATTICUS PRODUCTION COMPANY LLC | 24471 | OKLAHOMA CITY | 0 | 0 |
| ATWELL DAVID L | 14146 | DUNCAN | 0 | 0 |
| AUBURN OPERATING COMPANY LLC | 22929 | MIDLAND | 0 | 0 |
| AUDREY RECOVERY LIMITED LIABILITY COMPANYActive | 25238 | Oklahoma City | 38 | 5 |
| AUDUBON COMPANIES, LLCActive | 25228 | Houston | 0 | 0 |
| AUER RICHARD WActive | 23918 | LENAPAH | 1 | 1 |
| AUGUST CORPORATIONActive | 20619 | WESTMINSTER | 2 | 2 |
| AUGUST EXPLORATION LLC | 23812 | OKLAHOMA CITY | 0 | 0 |
| AUSBROOK OIL, L.L.C.Active | 24905 | Sand Springs | 0 | 0 |
| AUSBROOKS JR PAUL | 22238 | OKMULGEE | 0 | 0 |
| AUSTEX ENERGY INC | 11433 | FORT WORTH | 0 | 0 |
| AUSTIN A A COMPANY | 13045 | DECATUR | 0 | 0 |
| AUSTIN PAUL D GAS & OIL | 14396 | GRANDVIEW | 0 | 0 |
| AUSTIN PRODUCTION COMPANY | 102 | SEMINOLE | 11 | 9 |
| AUSTIN PRODUCTION COMPANY LLC | 17149 | OKLAHOMA CITY | 4 | 4 |
| AUSTIN R L ENERGY CORP | 11106 | DEL CITY | 2 | 2 |
| AUSTIN ROBERT L | 5388 | STAFFORD | 4 | 1 |
| AUSTIN-EDDLEMAN COMPANY | 12191 | DECATUR | 0 | 0 |
| AUTUMN ENERGY CORP | 8010 | BIXBY | 6 | 2 |
| AUTUMN EXPLORATION LTD | 11881 | TULSA | 32 | 9 |
| AVALANCHE OIL & GAS LLCActive | 23107 | KINGFISHER | 561 | 32 |
| AVALON EXPLORATION INC | 14147 | TULSA | 26 | 13 |
| AVALON OIL AND GAS III LLC | 24361 | TULSA | 0 | 0 |
| AVALON OILS AND GAS III LLCActive | 24362 | TULSA | 0 | 0 |
| AVALON OPERATING LLC | 23929 | TULSA | 1 | 1 |
| AVANT JACK E | 7561 | SKIATOOK | 14 | 1 |
| AVATAR ENERGY LLCActive | 21915 | DALLAS | 16 | 3 |
| AVEN GAS & OIL INC | 14856 | OKLAHOMA CITY | 0 | 0 |
| AVIARA ENERGY CORPORATION | 15119 | HOUSTON | 1 | 1 |
| AVILA STEVEN | 20361 | BROKEN ARROW | 0 | 0 |
| AVONDALE INC | 16489 | OKLAHOMA CITY | 0 | 0 |
| AVONDALE OPERATING CO | 21857 | TULSA | 16 | 4 |
| AVONDALE RESOURCES INC | 16191 | OKLAHOMA CITY | 0 | 0 |
| AVRA OIL CO | 16507 | MIDLAND | 5 | 2 |
| AW HEMBREE COActive | 998 | SHAWNEE | 14 | 4 |
| AWM ENERGY, LLCActive | 25210 | POCOLA | 4 | 1 |
| AXEM RESOURCES INC | 13242 | DENVER | 27 | 6 |
| AXEON ENERGY OPERATIONS LLC | 23055 | EVERGREEN | 2 | 1 |
| AXFORD ROY M | 6177 | LOS ALAMITOS | 4 | 1 |
| AXIA ENERGY III, LLCActive | 24996 | HIGHLANDS RANCH | 16 | 1 |
| AXIO NATURAL RESOURCES INC | 21484 | TULSA | 0 | 0 |
| AXION INC | 13977 | OKMULGEE | 0 | 0 |
| AXIS ENERGY CORPORATION | 22058 | ROSWELL | 0 | 0 |
| AXIS EXPLORATION LLC | 21289 | TULSA | 0 | 0 |
| AXIS INTERNATIONAL MINERAL LLC | 20963 | PAWHUSKA | 0 | 0 |
| AXIS RESOURCES INC | 16974 | OKLAHOMA CITY | 0 | 0 |
| AXTHELM DONALD W | 15682 | COFFEYVILLE | 0 | 0 |
| AYCOX ROBERT DActive | 20785 | HEALDTON | 4 | 1 |
| AYERS ENERGY INC | 13590 | OKLAHOMA CITY | 1 | 1 |
| AYLUMA OPERATING INCActive | 21437 | DEWAR | 14 | 3 |
| AYMER CHARLES MARK dba AYMER OIL | 22626 | BARTLESVILLE | 8 | 1 |
| AZAR MARSHAActive | 21230 | CHICAGO | 1 | 1 |
| AZLIN TOMMY & NIKKI | 20632 | WEWOKA | 0 | 0 |
| AZTEC ENERGY CORPORATION | 18479 | SAN ANTONIO | 10 | 1 |
| AZTEC ENERGY INC | 11138 | GLENPOOL | 2 | 2 |
| AZTEC EXPLORATION INC | 12052 | OKLAHOMA CITY | 1 | 1 |
| AZTEC OIL AND GAS INC | 13141 | OKLAHOMA CITY | 3 | 3 |
| AZURE ENERGY LTD | 15261 | TULSA | 4 | 3 |
| B & A OIL COMPANY | 15293 | HOMINY | 1 | 1 |
| B & B #1 LLCActive | 23859 | CHANDLER | 3 | 1 |
| B & B ENERGY COMPANY | 14139 | COLLINSVILLE | 1 | 1 |
| B & B FARM INDUSTRIES INC | 8193 | SPEARMAN | 5 | 2 |
| B & B INTERNATIONAL OIL CO. | 15427 | NOWATA | 0 | 0 |
| B & B INTERPRISES | 15973 | DAVIS | 0 | 0 |
| B & B OILActive | 22734 | HEALDTON | 5 | 2 |
| B & B OIL COMPANY | 8050 | AMARILLO | 5 | 5 |
| B & B OPERATING COMPANYActive | 16909 | CLEVELAND | 0 | 0 |
| B & B OPERATING COMPANY | 19071 | GOLDSBY | 0 | 0 |
| B & B OPERATIONS INC | 19533 | KNOWLES | 0 | 0 |
| B & B PETROLEUM INC | 15922 | SHAWNEE | 2 | 1 |
| B & B PETROLEUM SERVICES INC | 19186 | OKLAHOMA CITY | 9 | 7 |
| B & B PRODUCTION COMPANY | 14246 | COMANCHE | 6 | 3 |
| B & B RESOURCES | 18830 | TULSA | 0 | 0 |
| B & B RESOURCES INC | 5840 | FAYETTEVILLE | 1 | 1 |
| B & B SWD LLCActive | 24017 | KINGFISHER | 2 | 1 |
| B & B TOOL COMPANY INCActive | 6976 | LINDSAY | 13 | 7 |
| B & C BACKHOE INCActive | 23381 | WILSON | 0 | 0 |
| B & C DRILLING COMPANY INC | 8410 | HOLDENVILLE | 3 | 3 |
| B & D EQUIPMENT LLC | 21516 | CUSHING | 0 | 0 |
| B & D OIL & GAS LLCActive | 22468 | BRISTOW | 6 | 2 |
| B & D OIL INC | 19615 | BRISTOW | 1 | 1 |
| B & F ENTERPRISES | 16115 | ADA | 1 | 1 |
| B & G ENERGY COMPANY | 16891 | CUSHING | 0 | 0 |
| B & G OIL & GAS CO | 11553 | BARTLESVILLE | 1 | 1 |
| B & G OIL PROPERTIES | 13258 | BRISTOW | 0 | 0 |
| B & G PRODUCTION INCActive | 16198 | WOODWARD | 129 | 13 |
| B & H EXPLORATION COMPANY | 7206 | TALALA | 38 | 5 |
| B & H OIL & GAS CO | 16635 | VELMA | 0 | 0 |
| B & H OIL COMPANY | 10928 | RUSSEL | 0 | 0 |
| B & H OIL COMPANY | 5 | OKLAHOMA CITY | 0 | 0 |
| B & H OIL COMPANY INC | 5356 | WILSON | 0 | 0 |
| B & J DEVELOPERS INC | 7637 | BARTLESVILLE | 1 | 1 |
| B & JB LLC | 23958 | MANNFORD | 0 | 0 |
| B & K PARTNERSHIPActive | 19801 | BURLESON | 1 | 1 |
| B & L OIL COMPANY | 7874 | ADA | 2 | 2 |
| B & L OIL INC | 14548 | ADA | 0 | 0 |
| B & L TRUCKING | 18280 | OOLOGAH | 0 | 0 |
| B & M ENERGY LLCActive | 25035 | Tulsa | 1 | 1 |
| B & M OIL & GAS LLCActive | 24102 | BARTLESVILLE | 40 | 1 |
| B & M OIL COMPANY | 14247 | SAPULPA | 1 | 1 |
| B & M OIL WELL SERVICE | 15143 | BARTLESVILLE | 0 | 0 |
| B & N OIL COMPANY | 5035 | NOWATA | 9 | 1 |
| B & O DRILLING INC | 18961 | ADA | 29 | 3 |
| B & P OIL & GAS | 22066 | OILTON | 0 | 0 |
| B & R OIL | 16672 | HOLDENVILLE | 3 | 1 |
| B & R PRODUCTION CO INC | 13173 | LUTHER | 1 | 1 |
| B & R PRODUCTION LLCActive | 22084 | PADEN | 9 | 2 |
| B & S OIL COMPANY | 15182 | NOWATA | 0 | 0 |
| B & S OIL COMPANY | 17431 | COPAN | 0 | 0 |
| B & S OIL COMPANY | 2865 | CEMENT | 0 | 0 |
| B & S OIL LLCActive | 22732 | CEMENT | 4 | 1 |
| B & S PRODUCTION | 11554 | BARTLESVILLE | 1 | 1 |
| B & S RESOURCES LLCActive | 24697 | Choctaw | 48 | 1 |
| B & V PRODUCTION COMPANY | 15557 | S COFFEYVILLE | 0 | 0 |
| B & W LAND AND OIL INC | 20325 | BURNET | 0 | 0 |
| B & W OPERATING LLCActive | 21277 | OKLAHOMA CITY | 31 | 11 |
| B & W PRODUCTION | 12905 | BRISTOW | 1 | 1 |
| B AND J ENTERPRISES | 20155 | PERRY | 0 | 0 |
| B AND M PRODUCTION | 20035 | BURKBURNETT | 4 | 1 |
| B B & B OIL CO | 8493 | TULSA | 2 | 2 |
| B B R OIL CORPORATIONActive | 2902 | ARDMORE | 50 | 11 |
| B C & S OIL CO | 18504 | DRUMRIGHT | 0 | 0 |
| B C OIL & GAS INC | 14616 | OKLAHOMA CITY | 1 | 1 |
| B C PRODUCTION COMPANY INC | 11351 | DALLAS | 0 | 0 |
| B D R RESOURCES INC | 16335 | BARTLESVILLE | 0 | 0 |
| B D S P INC | 21632 | ARDMORE | 2 | 1 |
| B D X INTERNATIONAL INC | 16107 | CLAREMORE | 0 | 0 |
| B F & H PIPELINE INC | 9139 | BARTLESVILLE | 0 | 0 |
| B H & T OIL COMPANY INC | 6546 | PURCELL | 0 | 0 |
| B H C INVESTMENTS INC | 22226 | OKLAHOMA CITY | 0 | 0 |
| B J DRILLING | 12721 | PONCA CITY | 0 | 0 |
| B M & W ENERGIES INC | 14248 | MUSKOGEE | 0 | 0 |
| B R POLK INCActive | 1721 | OKLAHOMA CITY | 164 | 8 |
| B R SMITH JR DISPOSAL CO | 13520 | ELK CITY | 1 | 1 |
| B S & B OIL & GAS INC | 10648 | OKLAHOMA CITY | 0 | 0 |
| B S & W PRODUCTION CO INC | 16906 | DIGHTON | 5 | 1 |
| B S M PETROLEUM INC | 9099 | ARNETT | 1 | 1 |
| B W & ASSOCIATES | 12269 | CUSHING | 0 | 0 |
| B W OIL COMPANY | 11542 | HENRYETTA | 0 | 0 |
| B&B DRLG CONSULTING LLC | 24600 | GASSVILLE | 0 | 0 |
| B&B WEBB OIL LLCActive | 25092 | DAVIS | 10 | 1 |
| B-C STEEL LLC | 21888 | YATES CENTER | 0 | 0 |
| B-J ENTERPRISES INC | 4882 | MCALESTER | 2 | 2 |
| B6 RESOURCES LLCActive | 24932 | Chandler | 6 | 1 |
| BA CORE PROPERTIES INC | 14250 | OKLAHOMA CITY | 0 | 0 |
| BA-CAMP OIL COMPANY | 14118 | WICHITA FALLS | 0 | 0 |
| BAB INVESTMENTS | 19827 | BLACKWELL | 0 | 0 |
| BABER OIL & GAS LLCActive | 25023 | Guymon | 11 | 2 |
| BABER OIL COMPANY LLC | 20067 | TULSA | 5 | 1 |
| BACA PETROLEUM CORPORATION | 16173 | DENVER | 5 | 2 |
| BACCARAT OIL LTD | 7541 | DENVER | 3 | 1 |
| BACHMAN SERVICES INC | 15687 | OKLAHOMA CITY | 0 | 0 |
| BACK ROAD OIL & GAS LLC | 23843 | OKLAHOMA CITY | 0 | 0 |
| BACKIEL SR ROBERT | 12840 | DUNCAN | 0 | 0 |
| BACKYARD ENVIRONMENTAL OF OKLAHOMA LLCActive | 23790 | — | 0 | 0 |
| BACKYARD ENVIRONMENTAL WATER SOLUTIONS LLCActive | 24911 | OKLAHOMA CITY | 1 | 1 |
| BACON DAVID | 18304 | SAPULPA | 0 | 0 |
| BACON FRED ESTATE OF | 18005 | GLENPOOL | 0 | 0 |
| BACON KENNETH D | 16225 | OKMULGEE | 1 | 1 |
| BACON TED L | 8615 | AFTON | 0 | 0 |
| BADGER PRODUCTION LLC | 24418 | DRUMRIGHT | 0 | 0 |
| BAGBY ENERGY LLC | 21876 | FORT SMITH | 0 | 0 |
| BAHAN ER TESTAMENTARY TRUST | 115 | FORT WORTH | 2 | 1 |
| BAHLING JAMES A | 20821 | MOUNDS | 0 | 0 |
| BAILEY C A | 14251 | NOWATA | 3 | 1 |
| BAILEY DAN C | 17645 | COWETA | 2 | 1 |
| BAILEY DAVID AActive | 22974 | MOUNDS | 9 | 2 |