| 23501 | Production Drill | | Oil Operator | Oct 1994 |
| 23502 | Production Drilling, Inc. | Hays, KS 67601 | Oil Operator | Jan 2025 |
| 23503 | Production Enterprises | Houston, TX 77075 | Oil & Gas Operator | Aug 2007 |
| 23504 | Production Funds Inc | | Oil & Gas Operator | Nov 2001 |
| 23505 | Production Gathering Company, LP | Dallas, TX 75206 | Oil & Gas Operator | May 2025 |
| 23506 | Production Gauging Service Inc | | Oil Operator | Feb 1999 |
| 23507 | Production Maintenance Service | | Oil & Gas Operator | Jun 2020 |
| 23508 | Production Manag | | Oil Operator | Dec 1986 |
| 23509 | Production Management Associates | Plano, TX 75075 | Oil & Gas Operator | May 2025 |
| 23510 | Production Management Corp. | | Oil & Gas Operator | Jul 1987 |
| 23511 | Production Management Inc | | Oil & Gas Operator | Jul 2021 |
| 23512 | Production Marketing Assoc Inc | Plano, TX 75075 | Oil & Gas Operator | May 2025 |
| 23513 | Production Operators Of TX, LLC | Abilene, TX 79605 | Oil & Gas Operator | May 2025 |
| 23514 | Production Resources, Inc. | Castroville, TX 78009 | Oil & Gas Operator | May 2025 |
| 23515 | Production Service Co. | Lubbock, TX 79490 | Oil & Gas Operator | Oct 2015 |
| 23516 | Production Specialties Company | | Oil & Gas Operator | Dec 2003 |
| 23517 | Production Team | | Oil & Gas Operator | Sep 1991 |
| 23518 | Proex Energy Management, L.L.C. | Spring, TX 77386 | Oil & Gas Operator | May 2025 |
| 23519 | Professional Management GRP,Inc. | Boerne, TX 78006 | Oil & Gas Operator | Aug 1999 |
| 23520 | Professional Management Serv | | Oil Operator | Mar 1991 |
| 23521 | Professional Oilfield Services, Inc. | Byesville, OH 43723 | Oil & Gas Operator | Dec 2021 |
| 23522 | Professional Petr. Servs, Inc. | | Oil Operator | Oct 2016 |
| 23523 | Profit Energy Company | Jerusalem, OH 43747 | Oil & Gas Operator | Dec 2024 |
| 23524 | Progas Operating, Inc | Red Rock, TX 78662 | Oil & Gas Operator | May 2025 |
| 23525 | Progas Properties, Inc. | New Braunfels, TX 78132 | Oil & Gas Operator | May 2025 |
| 23526 | Progenies Operating LLC | Austin, TX 78746 | Oil & Gas Operator | May 2025 |
| 23527 | Progress Petroleum Co. | | Oil & Gas Operator | Apr 1993 |
| 23528 | Progressive Gas Services Inc. | Houston, TX 77279 | Oil & Gas Operator | Feb 2002 |
| 23529 | Progressive Oil & Gas | Moxahala, OH 43761 | Oil & Gas Operator | Dec 2024 |
| 23530 | Project Design Specialists Inc | | Oil & Gas Operator | May 1991 |
| 23531 | Projj Energy LLC | Sugar Land, TX 77496 | Oil & Gas Operator | May 2025 |
| 23532 | Prolific Resources LLC | Wichita, KS 67208 | Oil & Gas Operator | Jan 2025 |
| 23533 | Proline Energy Resources Inc | Sugar Land, TX 77479 | Oil & Gas Operator | May 2025 |
| 23534 | Prolithic Energy Company, L.P. | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Aug 2002 |
| 23535 | Promise Energy Operations, LLC | Texas City, TX 77592 | Oil Operator | May 2025 |
| 23536 | Prompt Operating LLC | Velma, OK 73491 | Oil Operator | Feb 2025 |
| 23537 | Pronghorn Management Corporation | Hobbs, NM 88241 | Oil & Gas Operator | May 2025 |
| 23538 | Pronghorn Operating LLC | | Oil Operator | Jan 2023 |
| 23539 | Pronto Services | San Antonio, TX 78209 | Oil & Gas Operator | May 2025 |
| 23540 | Propel Energy Company | | Oil Operator | Oct 1991 |
| 23541 | Propel Energy, LLC | Houston, TX 77024 | Oil & Gas Operator | Sep 2013 |
| 23542 | Property Development Group, Inc. | San Antonio, TX 78212 | Oil & Gas Operator | May 2025 |
| 23543 | Property Producing Co. | Columbus, TX 78934 | Gas Operator | May 2025 |
| 23544 | Prospctv Invstmnt & TRDG Co, LTD | Tulsa, OK 74170 | Oil & Gas Operator | May 2001 |
| 23545 | Prospect Energy LLC | | Oil & Gas Operator | Jan 2024 |
| 23546 | Prospect Enterprises Inc | Wetumka, OK 74883-0068 | Oil & Gas Operator | Apr 2004 |
| 23547 | Prospect Oil & G | | Oil Operator | Feb 1996 |
| 23548 | Prospect Oil & Gas Corp | Russell, KS 67665 | Oil Operator | Jan 2025 |
| 23549 | Prospecta Energy Group, Inc. | Brownwood, TX 76801 | Oil Operator | May 2025 |
| 23550 | Prospective Inv. & Trading Co., LTD., The | Tulsa, OK 74170 | Oil Operator | Dec 2019 |
| 23551 | Prospective Invest & Trad Co LTD | Tulsa, OK 74170 | Oil & Gas Operator | Aug 2005 |
| 23552 | Prospective Investment & Trading | Scottsdale, AZ 85261-4190 | Oil & Gas Operator | Jun 2016 |
| 23553 | Prospective Investment & Trading Co., LTD., The | Tulsa, OK 74170-2320 | Oil & Gas Operator | Apr 2014 |
| 23554 | Prospective Investment & Trding Co LTD | | Oil & Gas Operator | Sep 2012 |
| 23555 | Prospective Investment And Trading Co (The) | Tulsa, OK 741702320 | Oil & Gas Operator | Jun 2005 |
| 23556 | Prospective Invs | | Oil & Gas Operator | Jun 1994 |
| 23557 | Prospectors LTD., The | Somerset, TX 78069 | Oil & Gas Operator | Jun 2002 |
| 23558 | Prosper Energy Corporation | | Oil & Gas Operator | Oct 1988 |
| 23559 | Prosper Oil & Gas,Inc. | Dallas, TX 75201 | Oil & Gas Operator | May 2025 |
| 23560 | Prospera Energy, Inc. | | Oil & Gas Operator | Dec 2005 |
| 23561 | Prosperous Oil & Gas Inc | Okmulgee, OK 74447 | Oil & Gas Operator | Feb 2025 |
| 23562 | Prostar Energy, LLC | | Oil Operator | Sep 2011 |
| 23563 | Protege Energy II LLC | Tulsa, OK 74135-3252-3252 | Oil & Gas Operator | Dec 2013 |
| 23564 | Protege Energy III LLC | Houston, TX 77024 | Oil & Gas Operator | Sep 2024 |
| 23565 | Protege Energy LLC | Tulsa, OK 74135 | Oil & Gas Operator | Jan 2018 |
| 23566 | Proteus Petroleum, Inc. | | Oil & Gas Operator | Nov 1983 |
| 23567 | Protho Energy Service LLC | | Oil & Gas Operator | Mar 2025 |
| 23568 | Proton Energy, L.L.C. | Houston, TX 77002 | Oil & Gas Operator | Jun 2005 |
| 23569 | Prough A J | Gotebo, OK 73041 | Oil Operator | Apr 2014 |
| 23570 | Provecho Partners | Hays, KS 67601 | Oil Operator | Apr 2005 |
| 23571 | Proven Fuel Exploration, Inc. | | Oil & Gas Operator | Mar 2022 |
| 23572 | Proven Natural Resources LLC | Rockwall, TX 75032 | Oil & Gas Operator | May 2025 |
| 23573 | Proven Oil Production | | Oil Operator | Mar 2002 |
| 23574 | Proven Petroleum, Inc. | Lakewood, CO 80228 | Oil & Gas Operator | Mar 2025 |
| 23575 | Proven Reserves Management, Inc. | Dallas, TX 75370 | Oil & Gas Operator | Feb 2025 |
| 23576 | Providence Energ | | Oil & Gas Operator | Jul 1988 |
| 23577 | Providence Energy Corporation | Broken Arrow, OK 74013-3783 | Oil & Gas Operator | Feb 1994 |
| 23578 | Providence Energy Servs Inc.-Kelton Op Corp | Andrews, TX 79714 | Oil & Gas Operator | Mar 2025 |
| 23579 | Providence Exploration & Production Inc | Fort Smith, AR 72913-5171 | Gas Operator | Dec 2012 |
| 23580 | Providence Oil & Gas Corp | Tulsa, OK 74135-5463 | Oil & Gas Operator | May 2005 |
| 23581 | Providence Oil Prod. | Freer, TX 78357 | Oil & Gas Operator | May 2025 |
| 23582 | Providence Operating LLC Dba Poco Operating | | Oil & Gas Operator | Mar 2025 |
| 23583 | Provident Energy Of Montana, LLC | Cut Bank, MT 59427 | Oil Operator | Feb 2025 |
| 23584 | Provident Oil & Gas Co | Akron, OH 44313 | Oil & Gas Operator | Dec 1989 |
| 23585 | Provident Oil & Gas Corp | Akron, OH 44333 | Oil & Gas Operator | Dec 1991 |
| 23586 | Provident Resources LTD | | Oil & Gas Operator | Dec 1986 |
| 23587 | Provine, B.R. | Wichita, KS 67226 | Oil Operator | Apr 2010 |
| 23588 | Prudent Resources LLC | Houston, TX 77042 | Oil & Gas Operator | May 2025 |
| 23589 | Prudential Oil & Gas, Inc. | | Oil & Gas Operator | Jul 1987 |
| 23590 | Prudential Petroleum Co., LTD. | | Oil & Gas Operator | Dec 1990 |
| 23591 | Pruet & Hughes | | Oil & Gas Operator | Jul 1977 |
| 23592 | Pruet & Hughes Co. | | Oil & Gas Operator | Jan 1978 |
| 23593 | Pruet & Hughes Operating Co. | | Oil & Gas Operator | May 1981 |
| 23594 | Pruet Production Co. | Jackson, MS 39201 | Oil & Gas Operator | Mar 2025 |
| 23595 | Pruet Production Co. & Moon & Hines | | Oil & Gas Operator | Jun 2013 |
| 23596 | Pruet Production Co.-Midroc Oper. Co. & Watkins, H. Vaughan,Jr. | | Oil & Gas Operator | Sep 1994 |
| 23597 | Pruett, Cecil | Borger, TX 79008 | Oil & Gas Operator | Aug 2003 |
| 23598 | Pruitt Engineering & Petro. Co. | Kerrville, TX 78028 | Oil & Gas Operator | Jul 2007 |
| 23599 | Pruitt Oil & Gas | Decatur, TX 76234 | Oil & Gas Operator | Feb 2018 |
| 23600 | Pruitt Operating Company LLC | Ratliff City, OK 73481-5802 | Oil & Gas Operator | Mar 2025 |