| MCCUTCHIN PETROLEUM CORP | 9211 | DALLAS | 1 | 1 |
| MCCUTCHIN SR JERRY A | 6676 | ADDISON | 24 | 1 |
| MCDANIEL W A | 14418 | HASKELL | 0 | 0 |
| MCDANIEL-YOUNG OIL | 17214 | ADA | 0 | 0 |
| MCDE ENERGY COMPANY INC | 13753 | ENID | 1 | 1 |
| MCDONNELL CATTLE CO LLC | 21520 | FAYETTEVILLE | 0 | 0 |
| MCDOWELL OIL PROPERTIES INC | 5437 | NORMAN | 16 | 3 |
| MCELROY JOHN | 13412 | SAPULPA | 17 | 4 |
| MCELVAIN DONNA M | 20066 | CAVE CREEK | 8 | 1 |
| MCELVAIN OIL INVESTMENTS | 18247 | TECUMSEH | 0 | 0 |
| MCENA INC | 17136 | OKLAHOMA CITY | 4 | 2 |
| MCENCO INCActive | 20356 | TULSA | 4 | 2 |
| MCFERRAN OPERATING LLCActive | 24325 | SEMINOLE | 42 | 6 |
| MCGEE CURTIS D | 16583 | CLINTON | 0 | 0 |
| MCGEE FRED | 8462 | DAVENPORT | 0 | 0 |
| MCGEE TOM CORPORATION | 6055 | BOOKER | 19 | 4 |
| MCGHEE EXPL & PROD COMPANY | 20687 | GUTHRIE | 0 | 0 |
| MCGINLEY P A | 11736 | TULSA | 1 | 1 |
| MCGINNESS ENERGY COMPANY INCActive | 24760 | WICHITA | 3 | 1 |
| MCGOLDRICK OIL COMPANY | 12124 | SHREVEPORT | 2 | 2 |
| MCGONIGAL DAN LActive | 16966 | SKIATOOK | 27 | 2 |
| MCGONIGAL DONALD T | 11299 | TULSA | 2 | 1 |
| MCGONIGAL TED WActive | 6294 | NORMAN | 23 | 1 |
| MCGOWAN OIL CO | 17237 | ARKANSAS CITY | 1 | 1 |
| MCGRAW OIL COMPANY | 1427 | TULSA | 12 | 2 |
| MCGREGOR OIL COMPANY | 8123 | TULSA | 4 | 2 |
| MCGRIFF CRAIG EXPLORATION INC | 12569 | OKLAHOMA CITY | 17 | 4 |
| MCGUFFIN JR JOE S | 20664 | CHRISTOVAL | 0 | 0 |
| MCGUIRE DAN | 6668 | KELLEYVILLE | 0 | 0 |
| MCGUIRE TOM OIL COMPANY | 12408 | DEPEW | 0 | 0 |
| MCGUIRE WILLIAM T | 16910 | TALALA | 0 | 0 |
| MCHUGH & SONS INC | 12923 | OWASSO | 8 | 3 |
| MCILHENNY DON & MICHAEL TAYLOR | 17163 | LEWISVILLE | 0 | 0 |
| MCINTOSH JEFF TRUCKING INC | 23305 | MOORELAND | 0 | 0 |
| MCINTYRE CLARENCE M | 8220 | NOWATA | 2 | 1 |
| MCINTYRE M L | 1428 | OKLAHOMA CITY | 4 | 1 |
| MCKAY OIL COMPANY | 4757 | PERRY | 1 | 1 |
| MCKEDY AND ASSOCIATES INC | 15244 | SHAWNEE | 1 | 1 |
| MCKEE BUDDY L | 13855 | FAIRFAX | 0 | 0 |
| MCKEE CHARLIE | 21805 | WETUMKA | 2 | 1 |
| MCKEE R L | 13858 | BLACKWELL | 2 | 1 |
| MCKENNEY ENERGY LTD | 10455 | DRUMRIGHT | 2 | 1 |
| MCKENZIE JOHN W | 17116 | BRAMAN | 0 | 0 |
| MCKENZIE OLGA | 19155 | BROKEN ARROW | 0 | 0 |
| MCKENZIE PETROLEUM CO | 15865 | HOUSTON | 3 | 1 |
| MCKINNEY KENNETH R | 3174 | OKMULGEE | 0 | 0 |
| MCKINNEY OIL COMPANY LLCActive | 24519 | CUSHING | 3 | 2 |
| MCKINNEY OPERATING CO | 12427 | AMARILLO | 4 | 1 |
| MCKISICK DRILLING INC | 15164 | TULSA | 0 | 0 |
| MCKNIGHT RODNEY LOYDActive | 24893 | STROUD | 0 | 0 |
| MCKOWN BETTY/MAC MCKOWN | 19560 | MAUD | 0 | 0 |
| MCLAREN CHARLES G TRUST | 2453 | TULSA | 0 | 0 |
| MCLAUD CORRINE | 22166 | DUSTIN | 0 | 0 |
| MCLEAN & GASKINS | 14595 | SLICK | 0 | 0 |
| MCLEAN RICHARD D | 12041 | SLICK | 0 | 0 |
| MCLEAREN B C | 4914 | DUNCAN | 0 | 0 |
| MCLELLAN OIL & GAS COMPANY | 14706 | HENRYETTA | 2 | 1 |
| MCLENNAN DRILLING COMPANY INC | 4026 | NOWATA | 6 | 2 |
| MCM ENERGY INC | 10962 | EDMOND | 5 | 3 |
| MCMAHON OPERATING CO LC | 19814 | TULSA | 0 | 0 |
| MCMEANS BARBARA J | 4368 | VELMA | 0 | 0 |
| MCMILLEN & COMPANY | 15116 | OKLAHOMA CITY | 0 | 0 |
| MCMILLIAN A H (MRS | 3783 | TAHLEQUAH | 0 | 0 |
| MCMILLIAN OIL COMPANY | 19507 | TAHLEQUAH | 0 | 0 |
| MCMILLIN C C & COMPANY INCActive | 14594 | GUTHRIE | 72 | 7 |
| MCMILLIN MELVIN R | 20085 | ADA | 0 | 0 |
| MCMORAN OIL & GAS COMPANY | 14663 | NEW ORLEANS | 0 | 0 |
| MCNAMARA C A & ASSOCIATES INC | 13428 | TULSA | 0 | 0 |
| MCNEAL J H OIL OPERATIONS INC | 3447 | PERRY | 1 | 1 |
| MCNEAL PRODUCTION INC | 12906 | PERRY | 5 | 2 |
| MCNEILL RANDY & W R | 15498 | OKMULGEE | 15 | 2 |
| MCNIC OIL & GAS MIDCONTINENT | 19476 | OKLAHOMA CITY | 16 | 9 |
| MCNUTT OIL & GAS INC | 8185 | TULSA | 5 | 2 |
| MCNUTT P L | 15276 | SAN MARCOS | 3 | 2 |
| MCO RESOURCES INTEGRATED CORP | 10590 | HOUSTON | 0 | 0 |
| MCOIL OPERATING COMPANY LLCActive | 3148 | MUSKOGEE | 30 | 4 |
| MCPHERSON WOODROW & MARY | 4462 | TULSA | 0 | 0 |
| MCQUEEN DICK | 11186 | MUSKOGEE | 6 | 2 |
| MCQUEEN ED & COMPANY INC | 11811 | LINDSAY | 25 | 11 |
| MCQUILLEN JR JAMES D | 5045 | DALLAS | 0 | 0 |
| MCRAE & HENRY LTD | 20495 | LITTLETON | 1 | 1 |
| MCRAY CHARLES E & ASSOCIATES | 5820 | FT SMITH | 0 | 0 |
| MCVE ENERGY INC | 11217 | MORRISON | 0 | 0 |
| MD PRODUCTION COMPANY | 14728 | ADA | 0 | 0 |
| MDI OIL & GAS INC | 15165 | DALLAS | 1 | 1 |
| ME3 OILFIELD SERVICE LLC | 23082 | TULSA | 0 | 0 |
| MEADE ENERGY CORPORATION | 15342 | OKLAHOMA CITY | 55 | 14 |
| MEADE JAMES C | 1440 | OKLAHOMA CITY | 0 | 0 |
| MEADOR HUBBELL MEADOR INC | 16449 | BEGGS | 8 | 1 |
| MEADOR OIL COMPANY INC | 19840 | LUBBOCK | 0 | 0 |
| MEADORS JR J W TRUST | 1441 | BIXBY | 47 | 2 |
| MEADORS OPERATING COActive | 23003 | JENNINGS | 5 | 1 |
| MEADOWBROOK OIL CORPORATION OF OK INCActive | 13834 | DEL CITY | 103 | 25 |
| MEADOWBUCK OIL CO/AN OKLA PAR | 15914 | ADA | 0 | 0 |
| MEASON PETROLEUM LLC | 23036 | TULSA | 0 | 0 |
| MEC INC | 16182 | TULSA | 1 | 1 |
| MECCA PETROLEUM CORPORATION | 11130 | DENVER | 0 | 0 |
| MECOM ENERGY CORP | 16588 | HOUSTON | 5 | 1 |
| MEDALLION ENERGY INC | 16673 | NORMAN | 9 | 1 |
| MEDALLION PETROLEUM INC | 15126 | TULSA | 21 | 7 |
| MEDCO PETROLEUM LLC | 20260 | BROKEN ARROW | 0 | 0 |
| MEDDERS OIL COMPANY | 4245 | WICHITA FALLS | 2 | 1 |
| MEDDERS OIL COMPANY INC | 5630 | WICHITA FALLS | 6 | 1 |
| MEDICINE BOW OPERATING COMPANY | 16045 | DENVER | 36 | 11 |
| MEDINA EXPLORATION INC | 20428 | NORMAN | 1 | 1 |
| MEDLIN CHAROLETTEActive | 24202 | DUNCAN | 2 | 1 |
| MEDUSA ENERGY CORP | 14002 | OKLAHOMA CITY | 2 | 2 |
| MEEHAN DOUG | 21721 | COWETA | 2 | 2 |
| MEEK II HOWARD E | 10763 | CORONA DEL MAR | 0 | 0 |
| MEEK OIL PRODUCTION CO INC | 8927 | CORONA DEL MAR | 3 | 1 |
| MEFFERD J R | 17368 | CRESCENT | 0 | 0 |
| MEGA ENERGY & OPERATING INC | 19463 | EDMOND | 7 | 5 |
| MEGA NATURAL GAS CO | 16663 | TULSA | 0 | 0 |
| MEGA OPERATING COMPANY | 11907 | BLACKWELL | 1 | 1 |
| MEGA RESOURCES INC | 12256 | DALLAS | 53 | 5 |
| MEGAJJ RESOURCES LLCActive | 25103 | Yale | 0 | 0 |
| MEHAGAN JAMES D | 13004 | MANNFORD | 0 | 0 |
| MEIN OIL & GAS INC | 13835 | DRUMRIGHT | 1 | 1 |
| MEL COX TRANSPORTS INC | 14990 | COMANCHE | 35 | 3 |
| MEL-RAY OIL COMPANY | 3105 | NOWATA | 26 | 4 |
| MELINGA OIL & GAS INC | 13925 | DALLAS | 16 | 1 |
| MELLAND FRANCES G | 13987 | MCPHERSON | 0 | 0 |
| MELSON OIL & GAS INCActive | 17983 | BROKEN ARROW | 39 | 2 |
| MELTON R O | 5060 | SEMINOLE | 16 | 6 |
| MELZER EXPLORATION COMPANY | 11345 | MIDLAND | 7 | 2 |
| MEM OIL COMPANY | 15921 | TULSA | 0 | 0 |
| MENASCO J | 14642 | WICHITA FALLS | 0 | 0 |
| MENASCO J | 18644 | WICHITA FALLS | 0 | 0 |
| MENDELL PETROLEUM CORPORATION | 19190 | CASTLE ROCK | 2 | 2 |
| MEP OPERATING LLC | 24146 | HOUSTON | 0 | 0 |
| MEPEC OIL INC | 20723 | NOCONA | 1 | 1 |
| MER RESOURCES INC | 17276 | EDMOND | 8 | 5 |
| MER-BAR EXPLORATION CO INC | 15829 | OKLAHOMA CITY | 1 | 1 |
| MERCER OIL AND GAS CO INC | 19419 | NORMAN | 5 | 5 |
| MERCER OIL CO | 23882 | STRATFORD | 0 | 0 |
| MERCER OIL COActive | 24689 | STRATFORD | 0 | 0 |
| MERCER PET MANAGEMENT INC | 18341 | EDMOND | 0 | 0 |
| MERELCO INC | 13836 | SEMINOLE | 3 | 1 |
| MEREX RESOURCES INC | 21682 | AMARILLO | 0 | 0 |
| MERICA OIL OPERATING COMPANY | 24672 | Frisco | 0 | 0 |
| MERIDIAN EXPLORATION INC | 10800 | OKLAHOMA CITY | 7 | 2 |
| MERIDIAN OIL PRODUCTION INC | 10035 | MIDLAND | 79 | 24 |
| MERIDIAN RESOURCES & EXPL LLC | 22001 | HOUSTON | 7 | 3 |
| MERIT ENERGY COMPANYActive | 18934 | DALLAS | 1,634 | 21 |
| MERLIN PROD LAND & CATTLE CO | 19569 | FORT WORTH | 0 | 0 |
| MERMAC OPERATING COMPANY INC | 21069 | NORMAN | 49 | 17 |
| MERODA RESOURCES LLC | 20483 | MUSTANG | 0 | 0 |
| MERRELL JR GARLAND | 2523 | SEMINOLE | 0 | 0 |
| MERRICK WARD S INC | 1453 | ARDMORE | 1 | 1 |
| MERRIMAN RICHARD "DICK" | 15377 | JENNINGS | 0 | 0 |
| MERVINE OIL COMPANY INC | 8459 | BLACKWELL | 1 | 1 |
| MESA EXPLORATION COMPANY INCActive | 18684 | Shawnee | 31 | 3 |
| MESA MIDCONTINENT LLC | 23070 | PLANO | 5 | 1 |
| MESA MIDCONTINENT LP | 17802 | AMARILLO | 1 | 1 |
| MESA OPERATING LLCActive | 22836 | SOUTHLAKE | 3 | 1 |
| MESA OPERATING LP | 1456 | IRVING | 0 | 0 |
| MESA OPERATING LP | 15292 | AMARILLO | 0 | 0 |
| MESA RICA RESOURCES INC | 18210 | OKLAHOMA CITY | 0 | 0 |
| MESA RIDGE MIDSTREAM LLCActive | 25265 | OKLAHOMA CITY | 0 | 0 |
| MESA RIDGE RESOURCES INC | 21890 | YUKON | 0 | 0 |
| MESA SECO OPERATING, LLCActive | 24959 | GRAPEVINE | 1 | 1 |
| MESCALERO OIL & GAS CO INC | 11925 | BROKEN ARROW | 7 | 3 |
| MESQUITE EXPLORATION INC | 13902 | OKLAHOMA CITY | 0 | 0 |
| MESQUITE PRODUCTION & EXPLOR INC | 12581 | HOUSTON | 0 | 0 |
| MESSER OPERATING COMPANY INC | 16379 | OKLAHOMA CITY | 0 | 0 |
| MESSER OPERATING COMPANY INC | 12639 | OKLAHOMA CITY | 1 | 1 |
| MESSER OSCAR D & DEBRA J | 17807 | PRAGUE | 0 | 0 |
| METCALF THOMAS P | 16469 | HOOKER | 1 | 1 |
| METRO ENERGY GROUP INC | 21545 | SHREVEPORT | 2 | 1 |
| METRO ENERGY LTD | 18735 | SCOTTSDALE | 115 | 2 |
| METRO PIPE & MATERIALS INC | 12853 | OKLAHOMA CITY | 2 | 2 |
| METROPOLITAN RESOURCES CORP | 18838 | TULSA | 5 | 1 |
| METZEN WENDELL | 18186 | ORANGE PARK | 1 | 1 |
| METZNER NORMA J ESTATE | 5292 | TULIA | 5 | 1 |
| MEWBOURNE OIL COMPANYActive | 6722 | TYLER | 966 | 16 |
| MEYER DOYLE | 17514 | MARSHALL | 1 | 1 |
| MEYERHOFF & COX INC | 6342 | TULSA | 1 | 1 |
| MFP PETROLEUM LP | 16067 | OKLAHOMA CITY | 2 | 2 |
| MGD OIL PRODUCTION LLCActive | 24107 | HEALDTON | 5 | 1 |
| MGD RESOURCES INC | 12832 | OKLAHOMA CITY | 1 | 1 |
| MGE RESOURCES INCActive | 19025 | PERRYTON | 22 | 5 |
| MHT INVESTMENTS LLC | 24451 | ARDMORE | 0 | 0 |
| MICHAEL GOODNIGHT OPERATING LLCActive | 5519 | ST LOUIS | 21 | 4 |
| MICHAEL L MCDONALD LLCActive | 24661 | CLEO SPRINGS | 0 | 0 |
| MICHIGAN OIL COMPANY | 12281 | FT WORTH | 4 | 1 |
| MICK'S ENERGY LTD IV | 17743 | PENSACOLA | 0 | 0 |
| MICKALSON OPERATING COMPANYActive | 16610 | CLEVELAND | 52 | 4 |
| MID AMERICA PETROLEUM | 16575 | TULSA | 0 | 0 |
| MID AMERICAN ENERGY INC | 22085 | JENKS | 1 | 1 |
| MID CONTINENT DISPOSAL INC | 17851 | MOUNDS | 1 | 1 |
| MID-AMERICA PETROLEUM INC | 10526 | MIDLAND | 27 | 13 |
| MID-AMERICA PIPELINE CO LLC | 21326 | HOUSTON | 0 | 0 |
| MID-AMERICA PIPELINE COMPANY | 19696 | TULSA | 0 | 0 |
| MID-ATLANTIC ENERGY LLC | 23046 | MANNFORD | 68 | 2 |
| MID-CON CENTRAL EXPL CO | 964 | TULSA | 15 | 9 |
| MID-CON ENERGY OPERATING INC | 16011 | TULSA | 29 | 7 |
| MID-CON ENERGY OPERATING LLCActive | 23271 | TULSA | 231 | 15 |
| MID-CONTINENT ENERGY CORP OF OK | 17447 | WICHITA | 2 | 1 |
| MID-CONTINENT ENERGY OPERATING COMPANY | 19736 | TULSA | 12 | 5 |
| MID-CONTINENT OIL COMPANY | 8458 | CUSHING | 22 | 4 |