| MID-CONTINENT PETROLEUM MANAGEMENT INCActive | 8687 | CEMENT | 35 | 4 |
| MID-CONTINENT PRODUCTION CORP | 11350 | YUKON | 199 | 32 |
| MID-CONTINTENT RECOVERY INC | 20575 | OKLAHOMA CITY | 30 | 12 |
| MID-SOUTH PETROLEUM COMPANY | 12483 | DALLAS | 0 | 0 |
| MID-STATE OIL INVESTMENTS INC | 15563 | OWATONNA | 6 | 2 |
| MID-WAY ENVIRONMENTAL SERVICES INCActive | 20795 | STROUD | 1 | 1 |
| MIDAMERICAN EXPLORATION LLCActive | 22820 | CUSHING | 17 | 1 |
| MIDCO DRILLING INC | 10504 | WICHITA | 0 | 0 |
| MIDCON PROPERTIES LTD | 10087 | OKLAHOMA CITY | 0 | 0 |
| MIDCON TRANSPORT SERVICES LLCActive | 24216 | AMARILLO | 3 | 1 |
| MIDCONTINENT OIL & GAS COMPANY | 20525 | PHOENIX | 3 | 2 |
| MIDGARD ENERGY COMPANY | 12222 | THE WOODLANDS | 65 | 25 |
| MIDLAND ENERGY FINANCIAL GROUP INC | 22254 | EDMOND | 0 | 0 |
| MIDLAND OPERATING LLC | 22256 | OKLAHOMA CITY | 2 | 1 |
| MIDLAND PRODUCTION COMPANY | 14656 | BETHANY | 0 | 0 |
| MIDLAND TMG INC | 21439 | MIDLAND | 0 | 0 |
| MIDLANDS GAS CORPORATION | 12399 | NEW ORLEANS | 1 | 1 |
| MIDNIGHT ENERGY OPERATING LLCActive | 24853 | SAND SPRINGS | 228 | 4 |
| MIDNIGHT HOUR LLC | 20262 | ENID | 12 | 6 |
| MIDSTATE EXPLORATION INC | 15529 | FORT WORTH | 12 | 3 |
| MIDSTATE OIL & GAS COMPANYActive | 20202 | SHAWNEE | 1 | 1 |
| MIDSTATES OIL COMPANY | 3764 | OKLAHOMA CITY | 32 | 14 |
| MIDWAY DISPOSAL INC | 9030 | ENID | 0 | 0 |
| MIDWAY LEASING INC | 12086 | HASKELL | 3 | 1 |
| MIDWAY OILFIELD SERVICES | 12999 | WILSON | 13 | 2 |
| MIDWAY OPERATING CO LLC | 21242 | WOODWARD | 0 | 0 |
| MIDWAY OPERATING INC | 16338 | WOODWARD | 0 | 0 |
| MIDWAY PRODUCING INC | 15081 | HASKELL | 0 | 0 |
| MIDWEST ENERGY CORPORATION | 16844 | TULSA | 4 | 3 |
| MIDWEST ENERGY INVESTMENTS LLC | 24067 | OKLAHOMA CITY | 0 | 0 |
| MIDWEST ENTERPRISES INC | 6773 | CASHION | 20 | 3 |
| MIDWEST ENTERPRISES, LLCActive | 25058 | CASHION | 1 | 1 |
| MIDWEST EOR INCActive | 19222 | TULSA | 6 | 4 |
| MIDWEST EXPLORATION INC | 8641 | OKLAHOMA CITY | 1 | 1 |
| MIDWEST MINERALS AND ENERGY INC | 22405 | TAMPA | 1 | 1 |
| MIDWEST OIL COMPANY | 18859 | BEGGS | 0 | 0 |
| MIDWEST OPERATING COMPANY INC | 19453 | TULSA | 1 | 1 |
| MIDWEST PIPE & SUPPLY COMPANY | 1471 | OKLAHOMA CITY | 12 | 2 |
| MIDWESTERN COAL CORP | 6705 | CHELSEA | 0 | 0 |
| MIDWESTERN EXPLORATION COMPANY | 15445 | EDMOND | 38 | 5 |
| MIDWESTERN SERVICES INC | 18359 | WHEATLAND | 1 | 1 |
| MIGWIS OPERATING LLC | 22332 | CUSHING | 8 | 1 |
| MIJA LLCActive | 20915 | OKLAHOMA CITY | 10 | 6 |
| MIKAL R BROWN OIL LLCActive | 22273 | CLEVELAND | 20 | 2 |
| MIKARDEN ENERGY INCActive | 22873 | SAPULPA | 7 | 3 |
| MIKCO INC | 18407 | TULSA | 0 | 0 |
| MIKE ARNOLD TRUCKING | 23316 | — | 0 | 0 |
| MIKENN EXPLORATION | 18792 | CRESCENT | 1 | 1 |
| MILAGRO EXPLORATION LLC | 22399 | HOUSTON | 3 | 2 |
| MILBURN PEGGY L | 22070 | VELMA | 0 | 0 |
| MILBURN R KENNETH | 15710 | ARDMORE | 6 | 2 |
| MILBURN ROBERT G | 5920 | COUNTYLINE | 1 | 1 |
| MILD OIL COMPANY | 10267 | DUNCAN | 3 | 2 |
| MILGLEN ENTERPRISES INC | 17831 | EDMOND | 82 | 21 |
| MILLENNIUM RESOURCES INC | 21085 | TULSA | 3 | 1 |
| MILLER & STANLEY OPER CO | 3912 | AMARILLO | 3 | 2 |
| MILLER B INVESTMENTS | 17917 | TULSA | 1 | 1 |
| MILLER CONSTRUCTION & SONS INC | 20693 | COMANCHE | 0 | 0 |
| MILLER ENERGY LLCActive | 25232 | Muenster | 36 | 1 |
| MILLER EXPLORATION COMPANY | 10505 | TULSA | 32 | 11 |
| MILLER GLENN J | 23253 | MUENSTER | 0 | 0 |
| MILLER JAMES R | 14032 | SHIDLER | 0 | 0 |
| MILLER JIMActive | 10516 | WANN | 18 | 3 |
| MILLER JOE BActive | 21309 | LAWTON | 7 | 1 |
| MILLER JOHN & WANDA NEWHMAN | 20351 | ARLINGTON | 1 | 1 |
| MILLER JOHN PRODUCTION | 15027 | BRISTOW | 3 | 2 |
| MILLER OIL & GAS CO | 12115 | OKMULGEE | 1 | 1 |
| MILLER OIL & GAS COMPANY | 20022 | MOORELAND | 2 | 2 |
| MILLER PETROLEUM COMPANY | 13903 | YUKON | 0 | 0 |
| MILLER PETROLEUM COMPANY | 3317 | YUKON | 0 | 0 |
| MILLER PETROLEUM VENTURES XXV LLC | 24078 | SCOTTSDALE | 0 | 0 |
| MILLER WILLIAM D | 17876 | SAPULPA | 1 | 1 |
| MILLER-MCGEE OPERATING INCActive | 20352 | STROUD | 39 | 2 |
| MILLIGAN DUSTIN | 23078 | BARTLESVILLE | 0 | 0 |
| MILLIRON RICHARD dba M & W OIL | 20158 | PERRY | 0 | 0 |
| MILLIRON RICHARD dba RAM OIL | 21130 | PERRY | 0 | 0 |
| MILLS CECIL C | 14666 | COPAN | 0 | 0 |
| MILLS RICHARD E | 15236 | TULSA | 1 | 1 |
| MILLSPAUGH INVESTMENTS LLCActive | 20725 | WEATHERFORD | 9 | 8 |
| MILMAC OPERATING COMPANY | 16246 | LUBBOCK | 17 | 4 |
| MILNE LEWIS JOEL | 21191 | ALLEN | 3 | 2 |
| MILNEX CORPORATION | 11987 | STILLWATER | 4 | 2 |
| MIMS TEX OIL & GAS COMPANY | 14973 | TULSA | 0 | 0 |
| MIMS-TX OIL & GAS CO | 17045 | TULSA | 0 | 0 |
| MIN-TEX OIL CORPORATION | 4871 | TULSA | 14 | 9 |
| MINDERMAN OPERATING | 18421 | ELECTRA | 5 | 1 |
| MINDY ANN INC | 15026 | DRUMRIGHT | 1 | 1 |
| MINER RICK | 17579 | DRUMRIGHT | 0 | 0 |
| MINER RICK OIL INC | 21107 | DRUMRIGHT | 0 | 0 |
| MINERAL ENERGY RESOURCES LLC | 23983 | OKLAHOMA CITY | 0 | 0 |
| MINERVA OIL COMPANY | 12918 | TULSA | 12 | 6 |
| MINGO PETROLEUM | 16810 | TULSA | 0 | 0 |
| MINIHAN OIL AND GAS COMPANY | 15941 | SEMINOLE | 8 | 2 |
| MINIHAN PRODUCTION CO | 10083 | SEMINOLE | 3 | 2 |
| MINK RICHARDActive | 23382 | CEMENT | 10 | 1 |
| MINOR JR W T | 11786 | WICHITA FALLS | 2 | 1 |
| MINOR MARK | 16693 | FT WORTH | 0 | 0 |
| MINUJA OIL AND GAS LLC | 19425 | CORPUS CHRISTI | 0 | 0 |
| MIRACLE PRODUCTION INCActive | 17893 | YUKON | 4 | 3 |
| MISSION LEASING LTD | 17991 | TULSA | 1 | 1 |
| MISSION OIL & GAS | 12435 | PAWHUSKA | 0 | 0 |
| MITCHELL BARBARA | 18809 | OKMULGEE | 0 | 0 |
| MITCHELL CECIL D | 4587 | HASKELL | 34 | 3 |
| MITCHELL DOUGLAS V | 5621 | NOWATA | 0 | 0 |
| MITCHELL ENERGY CORPORATION | 12933 | THE WOODLANDS | 13 | 9 |
| MITCHELL JAMES DActive | 19952 | BARTLESVILLE | 2 | 1 |
| MITCHELL MARTHA | 8690 | HENRYETTA | 5 | 2 |
| MITCHELL PAUL L | 4765 | BARTLESVILLE | 2 | 0 |
| MITCHELL TANK TRUCK SERVICE INCActive | 24603 | HEALDTON | 0 | 0 |
| MITCHELL VICTOR | 7939 | HASKELL | 0 | 0 |
| MITI-MINI INCActive | 20058 | WETUMKA | 4 | 1 |
| MITO RESOURCES LLCActive | 19192 | EDMOND | 52 | 9 |
| MIURA PETROLEUM INC | 15966 | YUKON | 3 | 2 |
| MJ & KC OIL COMPANY | 3102 | PERRY | 1 | 1 |
| MJ GOETZ BONDING, LLCActive | 22415 | BARTLESVILLE | 10 | 1 |
| MJB PRODUCTION COMPANY INCActive | 22751 | Justiceburg | 13 | 3 |
| MJM OIL & GAS INC | 18223 | RICHARDSON | 0 | 0 |
| MJM RESOURCES INCActive | 17663 | NORMAN | 21 | 1 |
| MK OIL | 19001 | COMANCHE | 0 | 0 |
| MKC OPERATING LLCActive | 24869 | QUINTON | 1 | 1 |
| MKG OIL PROPERTIES | 18832 | HENNESSEY | 1 | 1 |
| MKI ENERGY INC | 8323 | NORMAN | 24 | 10 |
| MLC RESOURCES LLC | 22950 | KINGFISHER | 0 | 0 |
| MLD EXPLORATION, LLCActive | 25202 | WOODWARD | 4 | 1 |
| MLT ENERGY, LLCActive | 24982 | Derby | 5 | 1 |
| MMGK ARKOMA LLCActive | 24666 | DALLAS | 158 | 4 |
| MMGL ARKOMA II, LLCActive | 25117 | Dallas | 170 | 3 |
| MML OIL PROPERTIES | 11838 | OKLAHOMA CITY | 0 | 0 |
| MND LLC | 22006 | HARRAH | 0 | 0 |
| MOBIL EXP & PROD US INC | 13895 | HOUSTON | 33 | 4 |
| MOBIL NATURAL GAS INC | 16932 | HOUSTON | 0 | 0 |
| MOBIL ROCKY MOUNTAIN INC | 19280 | WILMINGTON | 0 | 0 |
| MODERN EXPLORATION INC | 19724 | SHERMAN | 1 | 1 |
| MOFFATT OIL INC | 16884 | PONCA CITY | 0 | 0 |
| MOFFITT W G TRUST | 6768 | FORT GIBSON | 3 | 1 |
| MOGO OPERATING, LLCActive | 25140 | Norman | 166 | 11 |
| MOGUL ENERGY CORP | 15494 | LOS ANGELES | 0 | 0 |
| MOHAWK OPERATING LLC | 19969 | OKLAHOMA CITY | 14 | 3 |
| MOHNEY F DEAN & JOANNE | 13988 | SPERRY | 0 | 0 |
| MOJAVE OPERATING COMPANY LLC | 22160 | TULSA | 0 | 0 |
| MOLLENKOPF MARK | 23490 | ANADARKO | 0 | 0 |
| MOLZ OIL COMPANY INC | 10879 | KIOWA | 14 | 3 |
| MOMENTUM DISPOSAL SYSTEMS LLCActive | 25206 | ELK CITY | 1 | 1 |
| MOMS OIL & GAS LLCActive | 24009 | NOWATA | 7 | 1 |
| MONAHAN OIL & GAS INC | 15283 | CHICAGO | 1 | 1 |
| MONARCH ENERGY COMPANY LLCActive | 20789 | EUFAULA | 105 | 3 |
| MONARCH ENERGY CORPORATION | 13125 | GOLDEN | 0 | 0 |
| MONARCH OIL & GAS INC | 16848 | GOLDEN | 0 | 0 |
| MONARCH PETROLEUM CORPORATION | 13027 | TULSA | 20 | 10 |
| MONCRIEF R W INC | 10795 | FORT WORTH | 2 | 1 |
| MONDAY JERRY L | 17397 | WANN | 0 | 0 |
| MONEXCO | 7067 | EDMOND | 6 | 3 |
| MONEXCO LLCActive | 21602 | DALLAS | 8 | 2 |
| MONEXCO OPERATING COMPANYActive | 21770 | DALLAS | 5 | 2 |
| MONFORT INC | 18974 | GREELEY | 9 | 1 |
| MONGER L & J FULLERTON | 17056 | DAVIS | 0 | 0 |
| MONGER L & J FULLERTON | 17619 | DAVIS | 0 | 0 |
| MONROE NATURAL GAS INCActive | 20753 | NORMAN | 37 | 5 |
| MONROE RESOURCES LLC | 19844 | NORMAN | 0 | 0 |
| MONTANA DAKOTAS ROYALTY CO | 4492 | OKLAHOMA CITY | 1 | 1 |
| MONTAUK EXPLORATION INC | 12845 | DALLAS | 3 | 2 |
| MONTCLAIR ENERGY LLCActive | 22644 | EDMOND | 4 | 4 |
| MONTEGO RESOURCES INC | 21644 | OKLAHOMA CITY | 1 | 1 |
| MONTEJAS EXPL & PROD COMPANY | 11096 | WICHITA | 6 | 3 |
| MONTEREY PRODUCTION COMPANY LLCActive | 24612 | Tulsa | 6 | 1 |
| MONTEX EXPLORATION COMPANY | 12091 | HOUSTON | 8 | 1 |
| MONTGOMERY DEVELOPMENT INC | 21344 | DALLAS | 0 | 0 |
| MONTGOMERY EXPLORATION CO LTDActive | 5092 | DALLAS | 38 | 9 |
| MONTGOMERY JAKE EActive | 15859 | HENRYETTA | 35 | 12 |
| MONTGOMERY OIL & GAS EXPL INC | 17762 | TULSA | 4 | 3 |
| MONTGOMERY OPERATING LLCActive | 25059 | EDMOND | 1 | 1 |
| MONTGOMERY ROBERT & MARGARET | 20229 | KELLYVILLE | 0 | 0 |
| MONTY L HOTT PRODUCTION CORPORATIONActive | 18890 | OKLAHOMA CITY | 71 | 11 |
| MOODY & STALNAKER | 5088 | MAUD | 0 | 0 |
| MOODY JAMES | 14586 | WEWOKA | 0 | 0 |
| MOODY OILFIELD SERVICE | 8723 | WEWOKA | 0 | 0 |
| MOODY OILFIELD SERVICE INC | 23345 | WEWOKA | 0 | 0 |
| MOONSHINE ENERGY LLCActive | 25068 | MIDLAND | 0 | 0 |
| MOORE & MILLER | 1503 | OKLAHOMA CITY | 31 | 4 |
| MOORE & MOORE ENERGY INC | 12176 | PURCELL | 5 | 4 |
| MOORE BILLY BOB | 15304 | PRYOR | 5 | 1 |
| MOORE CLAYActive | 5811 | BRADENTON | 53 | 5 |
| MOORE DAVID K | 13720 | DUNCAN | 8 | 3 |
| MOORE DONActive | 17286 | ELMORE CITY | 5 | 1 |
| MOORE GEORGE VINSON | 13439 | NOWATA | 0 | 0 |
| MOORE HAROLD V | 21238 | RIPLEY | 0 | 0 |
| MOORE INVESTMENTS LC | 19325 | OKLAHOMA CITY | 9 | 3 |
| MOORE JR GILBERT J | 3149 | LONGVIEW | 0 | 0 |
| MOORE JR REX R | 5475 | OKLAHOMA CITY | 16 | 3 |
| MOORE LYNN D | 7672 | COLLINSVILLE | 0 | 0 |
| MOORE MARY | 19982 | CHANDLER | 0 | 0 |
| MOORE NORMAN LActive | 24163 | SASAKWA | 2 | 1 |
| MOORE OIL & GAS | 7224 | COLLINSVILLE | 23 | 5 |
| MOORE OIL AND GAS LLC | 20137 | DEWEY | 0 | 0 |
| MOORE OPERATING CO INC | 17417 | TULSA | 3 | 2 |
| MOORE PETROLEUM INVEST CORPActive | 16904 | NORMAN | 7 | 3 |
| MOORE RICHARD L | 1507 | MORRIS | 1 | 1 |
| MOORE RICKY | 17346 | ARDMORE | 0 | 0 |
| MOORE ROBERT B | 12625 | TULSA | 2 | 1 |
| MOORE ROBERT L | 20455 | PERRYTON | 0 | 0 |