| 3501 | Pioneer Natural Resources USA Inc | Irving, TX 75039 | Oil & Gas Operator | Sep 2025 |
| 3502 | Pioneer Oil Company, Inc. | Vincennes, IN 47501 | Oil & Gas Operator | Sep 2025 |
| 3503 | Pioneer Operatio | | Oil & Gas Operator | Mar 1986 |
| 3504 | Pioneer Operations, LLC | Hays, KS 67601 | Oil Operator | Sep 2025 |
| 3505 | Pioneer Resources | Jefferson, CO 80456 | Oil Operator | Dec 2009 |
| 3506 | Pioneer Resources Inc | Phillipsburg, KS 67661 | Oil & Gas Operator | Oct 2020 |
| 3507 | Pipeline Oil & Gas, LLC | Phoenix, AZ 85016 | Oil Operator | Feb 2014 |
| 3508 | Piqua Petro, Inc. | Piqua, KS 66761 | Oil Operator | Sep 2025 |
| 3509 | Piqua Petroleum | | Oil Operator | Dec 1996 |
| 3510 | Pitman Creek, Inc. | Burlington, IA 52601 | Oil Operator | Dec 1992 |
| 3511 | Pitman John | | Oil & Gas Operator | Jan 1992 |
| 3512 | Pitman, John Douglas Revocable Trust | Oklahoma City, OK 73118 | Oil Operator | Dec 2019 |
| 3513 | Pitman, John Estate (Deceased) | Oklahoma City, OK 73104 | Oil Operator | May 2000 |
| 3514 | Pittman Kenneth | | Oil Operator | Mar 1995 |
| 3515 | Place, Steve | El Dorado, KS 67042 | Oil Operator | Dec 2019 |
| 3516 | Plains Marketing, LP | Cushing, OK 74023 | Oil Operator | Jan 2012 |
| 3517 | Plains Oil & Gas | Cushing, OK 74023-4819 | Oil & Gas Operator | Jan 2019 |
| 3518 | Plains Oil Compa | | Oil & Gas Operator | Aug 1988 |
| 3519 | Plains Petroleum | | Gas Operator | Dec 1996 |
| 3520 | Plains Petroleum Operating Co | Denver, CO 80202 | Oil & Gas Operator | Dec 2014 |
| 3521 | Plains Resources Inc. | Houston, TX 77002 | Oil & Gas Operator | Jul 2008 |
| 3522 | Plainsco, LTD. | Denver, CO 80203 | Oil & Gas Operator | Jan 2002 |
| 3523 | Plano Petroleum | | Oil & Gas Operator | Dec 1994 |
| 3524 | Plano Petroleum Corporation | McKinney, TX 75070 | Oil & Gas Operator | Sep 2025 |
| 3525 | Plateau Operating Corporation | Nashville, TN 37205 | Gas Operator | Sep 2025 |
| 3526 | Platte Valley Oi | | Oil Operator | Jul 1987 |
| 3527 | Platte Valley Oil Co Inc | Ralston, NE 68127 | Oil Operator | Sep 2025 |
| 3528 | Plum Creek Energy, LLC | Ellinwood, KS 67526 | Oil & Gas Operator | Sep 2025 |
| 3529 | Poe Servicing Inc | Oberlin, KS 67749 | Oil Operator | Oct 2019 |
| 3530 | Pogo Producing Company LLC | Houston, TX 77002 | Oil & Gas Operator | Dec 2025 |
| 3531 | Pohlman Oil LLC | Hays, KS 67601 | Oil Operator | Sep 2025 |
| 3532 | Pollok Energy LLC | Tulsa, OK 74159 | Oil & Gas Operator | Dec 2025 |
| 3533 | Ponderosa Witching, LLC | Waco, TX 76705 | Oil Operator | Sep 2025 |
| 3534 | Poor Boy Corporation | Ellinwood, KS 67526 | Oil Operator | Sep 2025 |
| 3535 | Popp Operating, Inc. | Hoisington, KS 67544 | Oil Operator | Sep 2025 |
| 3536 | Porter Oil | Peabody, KS 66866 | Oil Operator | Oct 2000 |
| 3537 | Post & Mastin Well Service, Inc. | Garden City, KS 67846 | Oil Operator | May 2016 |
| 3538 | Post Petroleum C | | Gas Operator | Nov 1991 |
| 3539 | Post Petroleum Company | Oklahoma City, OK 73116 | Oil & Gas Operator | Aug 2013 |
| 3540 | Post Rock Gas, Inc. | Luray, KS 67699 | Oil & Gas Operator | Jun 2003 |
| 3541 | Postrock Midcontinent Production LLC | Oklahoma City, OK 73101 | Oil & Gas Operator | Nov 2025 |
| 3542 | Potato Creek, L.L.C. | Edna, KS 67342 | Oil & Gas Operator | Sep 2025 |
| 3543 | Poverty Knob Production, LLC | Osawatomie, KS 66064 | Oil Operator | Sep 2025 |
| 3544 | Powell Petroleum Resources, LLC | Houston, TX 77054 | Gas Operator | Jun 2005 |
| 3545 | Powell, Wayne D. & Barbara | Sedan, KS 67361 | Oil Operator | Sep 1996 |
| 3546 | Powers, Dixon D. | Great Bend, KS 67530 | Oil & Gas Operator | Oct 1995 |
| 3547 | PR Operating, LP (A Texas Limited Partnership) | Frisco, TX 75034 | Gas Operator | Apr 2012 |
| 3548 | Prado Petroleum | | Oil Operator | Mar 1982 |
| 3549 | Prafford Gas System, LC | Wichita, KS 67201 | Gas Operator | May 2012 |
| 3550 | Prairie Energy C | | Oil Operator | Oct 1987 |
| 3551 | Prairie Energy LC | Oklahoma City, OK 73118 | Gas Operator | Jun 2014 |
| 3552 | Prairie Gas Operating, LLC | Tulsa, OK 74101 | Gas Operator | Dec 2019 |
| 3553 | Prairie Methane Gas Producers LLC | Dewey, OK 74029 | Oil Operator | Dec 2009 |
| 3554 | Prairie Oil Inco | | Oil Operator | Jan 1986 |
| 3555 | Prairie Oil Partners | Hays, KS 67601 | Oil Operator | May 1999 |
| 3556 | Prairie Oil, LLC | Louisburg, KS 66053 | Oil Operator | Sep 2025 |
| 3557 | Prairie Resources Inc | Hays, KS 67601 | Oil & Gas Operator | Sep 2009 |
| 3558 | Prairie State Pe | | Oil Operator | Jul 1994 |
| 3559 | Prairie Wolf Operating, LLC | Stilwell, OK 74960 | Oil & Gas Operator | Sep 2025 |
| 3560 | Prater Oil & Gas Operations, Inc. | Pratt, KS 67124 | Oil & Gas Operator | Sep 2025 |
| 3561 | Prater Ronald Ru | | Gas Operator | Mar 1989 |
| 3562 | Pratt Well Servi | | Oil & Gas Operator | Jul 1996 |
| 3563 | Pratt Well Service, Inc. | Pratt, KS 67124 | Oil & Gas Operator | Sep 2025 |
| 3564 | Pratt, Don E. | Hays, KS 67601 | Oil Operator | Dec 1999 |
| 3565 | Premier Oil & Exploration Inc | Hutchinson, KS 67502 | Oil & Gas Operator | Sep 2025 |
| 3566 | Premier Petroleu | | Oil Operator | Dec 1988 |
| 3567 | Premier Petroleum, Inc. | Wichita, KS 67201 | Oil & Gas Operator | Dec 2009 |
| 3568 | Premiere Corporation | Wellington, KS 67152 | Oil Operator | Nov 2010 |
| 3569 | Pres-Lo Incorpor | | Oil & Gas Operator | Aug 1993 |
| 3570 | Presco Western LLC | Houston, TX 77046 | Oil & Gas Operator | Sep 2025 |
| 3571 | Presidio Petroleum LLC | Canadian, TX 79014 | Oil & Gas Operator | Feb 2026 |
| 3572 | Presley Operating LLC | Oklahoma City, OK 73102 | Oil & Gas Operator | Nov 2025 |
| 3573 | Price Robert R O | | Oil Operator | Apr 1995 |
| 3574 | Price, Ernest, Jr. | Atlanta, KS 67008 | Oil Operator | Jun 1995 |
| 3575 | Price, Robert R. Operating, Inc. | Tulsa, OK 74147 | Oil Operator | May 1996 |
| 3576 | Pride Energy Company, A General Partnership | Tulsa, OK 74170 | Oil & Gas Operator | Aug 2021 |
| 3577 | Prime Operating Company | Midland, TX 79705 | Oil & Gas Operator | Feb 2026 |
| 3578 | Primexx Operating Corporation | Dallas, TX 75206 | Oil & Gas Operator | Mar 2024 |
| 3579 | Princ, Frank | Wilson, KS 67490 | Oil Operator | Apr 2025 |
| 3580 | Priority Oil & Gas LLC | Lakewood, CO 80227 | Gas Operator | Dec 2019 |
| 3581 | Prisum Ventures | | Oil & Gas Operator | Oct 1995 |
| 3582 | Pritz Maurice G | | Oil Operator | Oct 1990 |
| 3583 | Prize Operating Company | Grapevine, TX 76051 | Oil & Gas Operator | Aug 2016 |
| 3584 | Pro3 Sulfur Solutions, Inc. | Russell, KS 67665 | Oil Operator | Aug 2025 |
| 3585 | Producers Equipm | | Oil Operator | Dec 1996 |
| 3586 | Producers Oil Company | Tulsa, OK 74103 | Oil & Gas Operator | Jan 2007 |
| 3587 | Production Compa | | Oil Operator | Apr 1985 |
| 3588 | Production Drill | | Oil Operator | Oct 1994 |
| 3589 | Production Drilling, Inc. | Hays, KS 67601 | Oil Operator | Sep 2025 |
| 3590 | Production Incor | | Gas Operator | Feb 1987 |
| 3591 | Production Maintenance Service | | Oil & Gas Operator | Jun 2020 |
| 3592 | Production Manag | | Oil Operator | Dec 1986 |
| 3593 | Production Team | | Oil & Gas Operator | Sep 1991 |
| 3594 | Prolific Resources LLC | Wichita, KS 67208 | Oil & Gas Operator | Sep 2025 |
| 3595 | Prospect Oil & G | | Oil Operator | Feb 1996 |
| 3596 | Prospect Oil & Gas Corp | Russell, KS 67665 | Oil Operator | Sep 2025 |
| 3597 | Prospective Inv. & Trading Co., LTD., The | Tulsa, OK 74170 | Oil Operator | Dec 2019 |
| 3598 | Prospective Invs | | Oil & Gas Operator | Jun 1994 |
| 3599 | Protege Energy LLC | Tulsa, OK 74135 | Oil & Gas Operator | Jan 2018 |
| 3600 | Provecho Partners | Hays, KS 67601 | Oil Operator | Apr 2005 |