| PILOT EXPLORATION COMPANY | 13785 | OKMULGEE | 12 | 1 |
| PIN OAK PETROLEUM INC | 8819 | DALLAS | 0 | 0 |
| PINE RIDGE ENERGY INCActive | 22753 | CYRIL | 1 | 1 |
| PINEVIEW REAL ESTATE CORP | 16149 | ENGLEWOOD | 0 | 0 |
| PINEVILLE OPERATING LLC | 23655 | PENNS PARK | 0 | 0 |
| PINKERTON SOIL FARMING LLC | 23341 | — | 0 | 0 |
| PINKLEY JERRY R | 5596 | WOODWARD | 0 | 0 |
| PINKSTON ROBERT LActive | 4529 | BEGGS | 2 | 1 |
| PINNACLE CORPORATION (THE) | 17322 | BROKEN ARROW | 12 | 8 |
| PINNACLE ENERGY COMPANY | 15478 | TULSA | 1 | 1 |
| PINNACLE EXPLORATION & PRODUCTION COActive | 22141 | KIEFER | 67 | 3 |
| PINNACLE EXPLORATION INCActive | 17820 | EDMOND | 5 | 1 |
| PINNACLE OPERATING CO | 17472 | HOUSTON | 0 | 0 |
| PINNACLE OPERATING COMPANY LLCActive | 20931 | TULSA | 22 | 4 |
| PINNACLE RESOURCES LLC | 23007 | SAN CLEMENTE | 0 | 0 |
| PINON ENERGY CORPORATION | 13695 | OKLAHOMA CITY | 1 | 1 |
| PINTAIL PETROLEUM LTD | 18391 | WICHITA | 1 | 1 |
| PINTEX PETROLEUM CORP | 12994 | BOULDER | 3 | 1 |
| PIONEER EXPLORATION CO | 12968 | HOUSTON | 8 | 4 |
| PIONEER NATURAL RES USA INC | 20264 | IRVING | 5 | 4 |
| PIONEER OF OKLAHOMA LP | 21964 | HOUSTON | 1 | 1 |
| PIONEER PROD CORP | 1714 | AMARILLO | 26 | 12 |
| PIONEER RESOURCES PROD LP | 19793 | IRVING | 2 | 1 |
| PIONEER WESTERN NOMINEE CORP | 15011 | CLEARWATER | 0 | 0 |
| PIPELINE SERVICES INC | 10358 | PAMPA | 9 | 5 |
| PIPER DONALD | 21370 | MOUNDS | 0 | 0 |
| PIPER OPERATING LLCActive | 24049 | STIGLER | 108 | 12 |
| PIPES PURSIE E | 19435 | MT. VERNON | 1 | 1 |
| PITCO PRODUCTION COMPANY | 12457 | TULSA | 1 | 1 |
| PITTENCRIEFF AMERICA INC | 17881 | ABILENE | 3 | 1 |
| PITTMAN & ASSOCIATES INC | 12047 | ENGLEWOOD | 2 | 1 |
| PITTMAN-ALLEN OPERATING LLC | 20757 | OKLAHOMA CITY | 3 | 2 |
| PIXLEY CARLIS D | 10136 | MARLOW | 7 | 4 |
| PKC OPERATING LLC | 23599 | SPRING | 1 | 1 |
| PLAINS ENVIRONMENTAL SOLUTIONS LLCActive | 24767 | HOLDENVILLE | 0 | 0 |
| PLAINS OIL & GAS | 22916 | CUSHING | 19 | 2 |
| PLAINS PETROLEUM | 13704 | LAKEWOOD | 8 | 2 |
| PLAINS PETROLEUM OPERATING CO | 16460 | DENVER | 5 | 2 |
| PLAINS PRODUCTION INC | 8383 | WICHITA FALLS | 28 | 7 |
| PLAINS RESOURCES GROUP LLCActive | 24576 | Wynnewood | 4 | 4 |
| PLAINS RESOURCES INC | 10898 | HOUSTON | 30 | 15 |
| PLAINSMAN ENERGY INC | 13106 | ENID | 1 | 1 |
| PLAINSMEN ENERGY LLC | 23967 | ENID | 0 | 0 |
| PLAINSMEN ENERGY LLCActive | 24593 | ENID | 0 | 0 |
| PLAINVIEW DISPOSAL LLCActive | 24679 | FREEDOM | 0 | 0 |
| PLAN B OIL & GAS LLCActive | 24195 | PRAGUE | 1 | 1 |
| PLANO PETROLEUM LLC | 22304 | PLANO | 1 | 1 |
| PLATEAU EXPLO & PRODUCTION CO | 12297 | MEGARGEL | 0 | 0 |
| PLATINUM DRILLING INC | 19707 | SAPULPA | 5 | 3 |
| PLETCHER OIL LIMITED LIABILITY COMPANYActive | 15363 | ARDMORE | 18 | 4 |
| PLETT GEORGE | 14647 | TURPIN | 0 | 0 |
| PLF EXPLORATION INC | 12900 | OKLAHOMA CITY | 0 | 0 |
| PLO INC | 19039 | AMARILLO | 3 | 1 |
| PLOTNER OIL COMPANYActive | 18188 | OKLAHOMA CITY | 6 | 2 |
| PLOTNER RALPH OIL & GAS INV CO | 7426 | OKLAHOMA CITY | 21 | 5 |
| PLUM JR ALVIS | 20144 | BRISTOW | 0 | 0 |
| PLUMB OIL COMPANY INC | 15048 | HOUSTON | 5 | 2 |
| PLUMB RESOURCES INC | 18852 | HOUSTON | 2 | 1 |
| PLUMER FRED | 20307 | TALALA | 0 | 0 |
| PLUMMER ENERGY INC | 20176 | PAULS VALLEY | 0 | 0 |
| PLUMMER LARRY T TRENT | 19471 | PAULS VALLEY | 0 | 0 |
| PLUNKETT KENNETH | 20341 | BEGGS | 3 | 1 |
| PLYMOUTH EXPLORATION LLC | 22491 | TULSA | 3 | 2 |
| PM OIL & GAS INCActive | 22216 | SEMINOLE | 10 | 1 |
| PMD OIL RECOVERY LLCActive | 22724 | PERRY | 17 | 2 |
| PNG PRODUCTION, LLCActive | 25121 | WELLINGTON | 2 | 1 |
| PNR ENERGY LLC | 21537 | COLLINSVILLE | 0 | 0 |
| POBLANO ENERGY LLC | 24081 | HOUSTON | 3 | 1 |
| POE PROPERTIES INC | 12624 | FT WORTH | 2 | 2 |
| POG CORPORATION | 15410 | WETUMKA | 1 | 1 |
| POGO PANHANDLE 2004 LP | 21898 | HOUSTON | 0 | 0 |
| POGO PRODUCING COMPANY LLC | 11263 | HOUSTON | 13 | 7 |
| POGUE RANDALL | 5391 | ADA | 18 | 5 |
| POINT EXPLORATION LLCActive | 25073 | Oklahoma City | 2 | 2 |
| POINTER PETROLEUM CORP | 8146 | OKLAHOMA CITY | 7 | 5 |
| POLARIS ENERGY CORP | 8695 | TULSA | 12 | 4 |
| POLARIS ENERGY DEV CO | 17714 | TULSA | 1 | 1 |
| POLARIS PETROLEUM OPERATIONS LLCActive | 21708 | BRANSON WEST | 5 | 1 |
| POLE CAT OIL COMPANYActive | 22430 | SAPULPA | 13 | 2 |
| POLK OPERATING LLCActive | 22651 | BOWIE | 1 | 1 |
| POLLARD CONDELL | 20925 | LEONARD | 0 | 0 |
| POLLARD DANNY & ANGILA | 21650 | SCHULTER | 0 | 0 |
| POLLARD GLENDA | 16899 | OKMULGEE | 0 | 0 |
| POLLARD JR G W | 1722 | OKMULGEE | 34 | 7 |
| POLLOK ENERGY LLC | 23163 | TULSA | 2 | 1 |
| POLO OPERATING INC | 19983 | OKLAHOMA CITY | 5 | 1 |
| POLYMATE CORPORATION | 19199 | HEALDTON | 0 | 0 |
| POMPANO RESOURCE OPERATOR LLCActive | 25089 | Fort Lauderdale | 0 | 0 |
| POND DAVID WELL SERVICE INC dba D W P PRODUCTION | 22129 | PERRYTON | 3 | 2 |
| PONDER OIL PRODUCERS LLCActive | 21698 | OKEMAH | 38 | 3 |
| PONTOTOC GATHERING LLCActive | 20566 | TULSA | 0 | 0 |
| PONTOTOC OPERATIONS INC | 4595 | DALLAS | 1 | 1 |
| PONY PETROLEUM INC | 15605 | ARLINGTON | 2 | 1 |
| POOL COMPANY TEXAS LTD | 20827 | EL RENO | 0 | 0 |
| POOL LLOYD OPERATING | 15660 | SANDIA PARK | 0 | 0 |
| POOL LLOYD OPERATING LLC | 22846 | SANDIA PARK | 1 | 1 |
| POOL PRODUCTION SERVICES INC | 16553 | WOODWARD | 0 | 0 |
| POOLE TROY | 21369 | ADA | 0 | 0 |
| POORBOY OIL INC | 20690 | VELMA | 1 | 1 |
| POPE CHARLES EDWARDActive | 5644 | MORRIS | 19 | 2 |
| POPE OIL LLCActive | 24879 | MORRIS | 32 | 1 |
| POPE TED & KAREN DBA MP OPERATING | 24916 | Bristow | 0 | 0 |
| POPLAR OIL & GAS CORPORATION | 19358 | VANCOUVER | 1 | 1 |
| PORTAL ENERGY CORP | 17477 | DALLAS | 1 | 1 |
| PORTER JOHNActive | 21737 | BOYNTON | 24 | 1 |
| PORTER JOHN B | 17446 | KETCHUM | 0 | 0 |
| PORTER JOHN E "GENE" | 4374 | CUSHING | 0 | 0 |
| PORTER M H "MADGE" | 16908 | TULSA | 0 | 0 |
| PORTER OIL AND GAS INC | 21524 | FORT SMITH | 3 | 1 |
| PORTER PRODUCTION COMPANY | 14872 | OKLAHOMA CITY | 10 | 6 |
| PORTFOLIO OIL CORP | 11240 | OKLAHOMA CITY | 11 | 3 |
| POSITIVE ENERGY LLCActive | 23376 | ADA | 162 | 14 |
| POST OAK OIL COMPANY | 5376 | OKLAHOMA CITY | 42 | 14 |
| POSTOAK DISPOSAL LLCActive | 23580 | WILSON | 1 | 1 |
| POSTROCK ENERGY SERVICES CORPORATION | 22919 | OKLAHOMA CITY | 0 | 0 |
| POSTROCK MIDCONTINENT PRODUCTION LLCActive | 21509 | OKLAHOMA CITY | 27 | 5 |
| POTEET AND HARRIS | 19362 | HOLDENVILLE | 0 | 0 |
| POTEET DISPOSAL LLC | 23095 | RATLIFF CITY | 0 | 0 |
| POTEET OIL COMPANY LP | 13485 | RATLIFF CITY | 0 | 0 |
| POTEET OIL COMPANY LTD | 16534 | LINDSAY | 0 | 0 |
| POTEET OIL COMPANY LTD | 8030 | RATLIFF CITY | 0 | 0 |
| POTTER HAMMILL & POTTER INC. | 15930 | BEGGS | 2 | 2 |
| POTTER J AND D OIL LLC | 20951 | KINGFISHER | 1 | 1 |
| POTTER JESS | 21680 | KINGFISHER | 0 | 0 |
| POTTER VIRL R | 15059 | TECUMSEH | 0 | 0 |
| POTTS DORIS TRUSTEE dba POTTS FAMILY REV TRUSTActive | 24378 | OOLAGAH | 0 | 0 |
| POTTS EXPLORATION LLCActive | 20157 | OKLAHOMA CITY | 1 | 1 |
| POTTS, ALVIN RAYActive | 25036 | COUNCIL HILL | 1 | 1 |
| POULOS OIL COMPANY | 12351 | TULSA | 2 | 1 |
| POUND ROBERT M | 12529 | BRISTOW | 20 | 4 |
| POWELL JAMES SActive | 22573 | CLEVELAND | 1 | 1 |
| POWELL JESS LActive | 19512 | SAPULPA | 5 | 2 |
| POWELL ODIS D | 22755 | CLAREMORE | 0 | 0 |
| POWELL OIL | 17941 | HEALDTON | 0 | 0 |
| POWELL OIL LLCActive | 23657 | HEALDTON | 131 | 7 |
| POWER FUEL PRODUCERS INC | 16386 | KELLER | 9 | 3 |
| POWER MANAGEMENT INC | 5302 | ARDMORE | 3 | 1 |
| POWERLINE ENERGY CORPORATION | 17828 | ARLINGTON | 1 | 1 |
| POWERS ENERGY INC | 15260 | DENVER | 12 | 2 |
| PPC-OK OPERATING INCActive | 22204 | FORT WORTH | 6 | 2 |
| PPP PETROLEUM LPActive | 23356 | DALLAS | 6 | 2 |
| PPS TRUCKING LLCActive | 24833 | Hennessey | 0 | 0 |
| PRAIRIE EXPLORATION COMPANYActive | 13907 | NORMAN | 6 | 2 |
| PRAIRIE METHANE GAS PROD LLC | 20977 | DEWEY | 5 | 1 |
| PRAIRIE PROSPECT COMPANY | 15833 | NORMAN | 0 | 0 |
| PRAIRIE RESOURCES LLC | 23723 | OKLAHOMA CITY | 0 | 0 |
| PRAIRIE WIND OIL LLCActive | 23998 | BLACKWELL | 8 | 2 |
| PRAIRIEDALE ENERGY INCActive | 24644 | DUNCAN | 93 | 1 |
| PRALLE JOHN C | 16456 | FAIRMONT | 6 | 1 |
| PRATER D BRUCE | 12686 | BRAY | 0 | 0 |
| PRATHER FLOYD | 4027 | JENNINGS | 2 | 1 |
| PRAVNAN OIL CO | 8182 | OWASSO | 0 | 0 |
| PRDJ COCKRUM ENTERPRISES, INC.Active | 11402 | OKEMAH | 169 | 14 |
| PRE-MC INCActive | 18133 | ALLEN | 187 | 5 |
| PRECISION DEVELOPMENT CORP | 23368 | BOWLING GREEN | 0 | 0 |
| PRECISION OPERATING INC | 13464 | RICHARDSON | 10 | 3 |
| PREDATOR INC | 22097 | OKLAHOMA CITY | 0 | 0 |
| PREFERRED INVESTMENTS CORP | 8581 | TULSA | 3 | 3 |
| PREFERRED OILFIELD SERVICE INC | 14105 | OILTON | 0 | 0 |
| PREGLER E ESTATES INC | 15258 | TULSA | 0 | 0 |
| PREGLER EARL & ASSOCIATES LTD | 21688 | TULSA | 0 | 0 |
| PREGLER OIL COMPANY LLCActive | 23130 | TULSA | 10 | 3 |
| PREMIER GAS COMPANY LLCActive | 23664 | DURANT | 131 | 5 |
| PREMIER NATURAL RESOURCES II LLC | 23001 | TULSA | 0 | 0 |
| PREMIER OIL & GAS LLC | 24742 | BLANCHARD | 0 | 0 |
| PREMIER OPERATING COMPANY | 13481 | DALLAS | 2 | 2 |
| PREMIER RESOURCES LTD | 5284 | DENVER | 29 | 11 |
| PREMIUM PIPE PRODUCTS INC | 6345 | OKLAHOMA CITY | 0 | 0 |
| PRENALTA CORPORATION | 15080 | TERRYTOWN | 4 | 2 |
| PRENTICE BENNY P | 3152 | ALLEN | 2 | 2 |
| PRENTICE BRADLEY LActive | 19266 | ALLEN | 154 | 2 |
| PRENTICE BRO OIL OPERATORS | 4430 | ALLEN | 14 | 2 |
| PRENTICE EDActive | 6079 | ALLEN | 15 | 2 |
| PRENTICE, NAPIER & GREEN, INC.Active | 14829 | OKLAHOMA CITY | 96 | 20 |
| PRESIDIO PETROLEUM LLCActive | 24210 | FORT WORTH | 1,031 | 11 |
| PRESLEY FRANK OR MARY | 19661 | NOWATA | 1 | 1 |
| PRESLEY OPERATING LLCActive | 23803 | OKLAHOMA CITY | 34 | 6 |
| PRESLEY PETROLEUM COMPANY | 17339 | NEWPORT BEACH | 28 | 5 |
| PRESSURE PUMPING SERVICES LLCActive | 22034 | BLACKWELL | 12 | 1 |
| PRESTON CARTER OIL COMPANYActive | 12892 | DAVIS | 10 | 2 |
| PRESTON OIL COMPANY | 14116 | WOODLANDS | 4 | 1 |
| PRESTON ROY C | 11606 | NOWATA | 0 | 0 |
| PRETTY GIRL OIL & GAS CO INC | 16314 | CLAREMORE | 0 | 0 |
| PREWETT ALVIN L | 17591 | TULSA | 1 | 1 |
| PREWITT CHARLEY J | 15662 | STROUD | 1 | 1 |
| PRI PRODUCING INC | 12481 | HOUSTON | 1 | 1 |
| PRIAM OPERATING COMPANY | 21314 | TULSA | 0 | 0 |
| PRICE AUBREY | 20230 | WETUMKA | 0 | 0 |
| PRICE BARBARA | 17861 | HEALDTON | 0 | 0 |
| PRICE BROTHERS OIL CO | 2665 | DUNCAN | 1 | 1 |
| PRICE ENGINEERING COMPANY | 5109 | OKLAHOMA CITY | 3 | 2 |
| PRICE EXPLORATION CO | 12773 | TULSA | 0 | 0 |
| PRICE EXPLORATION COMPANY | 7760 | TULSA | 30 | 7 |
| PRICE HARVEY | 21807 | WETUMKA | 5 | 1 |
| PRICE J R INC | 16545 | ADDINGTON | 0 | 0 |
| PRICE J R INC | 1996 | ADDINGTON | 0 | 0 |
| PRICE OPERATING COMPANYActive | 22847 | DELAWARE | 15 | 2 |
| PRICE OPERATING COMPANY INC | 20237 | NOWATA | 22 | 3 |
| PRICE W HActive | 16413 | GRANDBURY | 14 | 5 |
| PRICE WILLIAM H | 7886 | SHAWNEE | 2 | 2 |