| 22501 | Plains Oil Compa | | Oil & Gas Operator | Aug 1988 |
| 22502 | Plains Petroleum | | Gas Operator | Dec 1996 |
| 22503 | Plains Petroleum Operating Co | Denver, CO 80202 | Oil & Gas Operator | Dec 2014 |
| 22504 | Plains Production Inc | Wichita Falls, TX 76308 | Oil & Gas Operator | Dec 1995 |
| 22505 | Plains Radio Pet Co | Midland, TX 79703 | Oil & Gas Operator | Apr 2023 |
| 22506 | Plains Resources Inc. | Houston, TX 77002 | Oil & Gas Operator | Jul 2008 |
| 22507 | Plainsmen Energy LLC | Enid, OK 73703-5747 | Oil & Gas Operator | Jul 2026 |
| 22508 | Planet Associates Inc | Denver, CO 80218 | Oil Operator | Dec 1994 |
| 22509 | Planet Energy, LLC | | Oil & Gas Operator | Dec 2015 |
| 22510 | Planet Operating, LLC | | Oil & Gas Operator | Dec 2024 |
| 22511 | Planet Resource Operating, LLC | | Oil & Gas Operator | Nov 2024 |
| 22512 | Planetierra Three Partnership | Sunray, TX 79086 | Oil & Gas Operator | Sep 2026 |
| 22513 | Plano Corp. | | Oil & Gas Operator | Mar 2005 |
| 22514 | Plano Petroleum | | Oil & Gas Operator | Dec 1994 |
| 22515 | Plano Petroleum Corporation | McKinney, TX 75070 | Oil & Gas Operator | Dec 2019 |
| 22516 | Plano Petroleum LLC | Plano, TX 75093-8773 | Oil & Gas Operator | Apr 2013 |
| 22517 | Plantation Oil Company | | Oil Operator | Dec 2006 |
| 22518 | Plantation Operating Co., Inc. | Holliday, TX 76366 | Oil & Gas Operator | Sep 2026 |
| 22519 | Plantation Operating, LLC | Houston, TX 77041 | Oil & Gas Operator | Nov 2011 |
| 22520 | Plants & Goodwin Inc | | Oil & Gas Operator | Dec 2018 |
| 22521 | Plateau Energy, LLC | Smyer, TX 79367 | Oil & Gas Operator | Dec 2024 |
| 22522 | Plateau Operating Corporation | Nashville, TN 37205 | Oil & Gas Operator | May 2026 |
| 22523 | Plateau Petroleum LLC | | Oil Operator | May 2026 |
| 22524 | Platform Operating, LLC | Midland, TX 79702 | Oil & Gas Operator | Sep 2026 |
| 22525 | Platinum Exploration Inc. | Midland, TX 79701 | Oil & Gas Operator | Sep 2026 |
| 22526 | Platinum Gas Properties LLC | | Gas Operator | Jun 2026 |
| 22527 | Platinum Oil & Gas, L.L.C. | San Juan, TX 78589 | Oil & Gas Operator | Sep 2026 |
| 22528 | Platinum Oil Properties, LLC | Greenwood VIllage, CO 80111 | Oil & Gas Operator | Aug 2006 |
| 22529 | Platinum Properties Inc. | Wichita Falls, TX 76301 | Oil Operator | Aug 2003 |
| 22530 | Platt Oil Production | | Oil & Gas Operator | Jan 2007 |
| 22531 | Platte Valley Oi | | Oil Operator | Jul 1987 |
| 22532 | Platte Valley Oil Co Inc | Ralston, NE 68127 | Oil Operator | May 2026 |
| 22533 | Playa Minerals & Energy, Inc. | Houston, TX 77060 | Oil & Gas Operator | Nov 2003 |
| 22534 | Playa Oil & Gas, LP | | Oil & Gas Operator | Apr 2009 |
| 22535 | Pleasant Hill Oil Co | Carrollton, OH 44615 | Oil Operator | Dec 2006 |
| 22536 | Pleasant Oil & Gas | Clarendon, PA 16313-4532 | Oil & Gas Operator | Dec 2025 |
| 22537 | Pledger Operating Co. Inc. | | Oil & Gas Operator | Dec 2025 |
| 22538 | Pledger West Broussard Operating, LLC | | Oil & Gas Operator | Dec 2024 |
| 22539 | Plegel Oil Company Inc. | | Oil & Gas Operator | Jul 2026 |
| 22540 | Plemons Enterprises | Borger, TX 79008 | Oil & Gas Operator | Aug 1998 |
| 22541 | Plenergy Dev LTD | | Oil & Gas Operator | Jun 2004 |
| 22542 | Pletcher Oil Limited Liability Company | Ardmore, OK 73401 | Oil & Gas Operator | Jul 2026 |
| 22543 | PLF Energy, LLC | Le Roy, NY 14482 | Gas Operator | Dec 2025 |
| 22544 | Plo Inc | Amarillo, TX 79109-6222 | Gas Operator | Mar 2015 |
| 22545 | Plo'S Oil & Gas | Carrizo SPGS, TX 78834 | Oil & Gas Operator | Sep 2026 |
| 22546 | Plotner Oil Company | Oklahoma City, OK 73122 | Oil & Gas Operator | Jul 2026 |
| 22547 | Plotner Ralph Oil & Gas Inv Co | Oklahoma City, OK 73112 | Oil & Gas Operator | Nov 2021 |
| 22548 | Ploutos, LLC | | Oil Operator | May 2021 |
| 22549 | Plover Production Company | Fort Worth, TX 76109 | Oil & Gas Operator | Jul 2006 |
| 22550 | PLR Energy, LLC | Houston, TX 77079 | Oil Operator | May 2018 |
| 22551 | PLS Operating Co, Inc. | | Oil & Gas Operator | Jul 1989 |
| 22552 | Plug Nickel Oil Company Inc | | Oil & Gas Operator | May 2026 |
| 22553 | Plum Creek Energy, LLC | Ellinwood, KS 67526 | Oil & Gas Operator | May 2026 |
| 22554 | Plumb Operating Company, Inc. | | Oil & Gas Operator | Dec 1989 |
| 22555 | Plumb Resources, Inc. | Houston, TX 77096 | Oil & Gas Operator | Jun 1998 |
| 22556 | Plumley, M. C. & Associates | Borger, TX 79008 | Oil & Gas Operator | Sep 2026 |
| 22557 | Plummer Energy Inc | Pauls Valley, OK 73075-8663 | Oil & Gas Operator | Nov 2016 |
| 22558 | Plymouth Exploration LLC | Tulsa, OK 74119-1031 | Oil & Gas Operator | Dec 2025 |
| 22559 | Plymouth Resource Group LLC | | Oil & Gas Operator | Dec 1999 |
| 22560 | Plymouth Resource GRP 1998 LLC | | Oil & Gas Operator | Mar 2000 |
| 22561 | Plymouth Resources Group II Inc | | Oil & Gas Operator | May 2007 |
| 22562 | PM Oil & Gas, Inc. | San Angelo, TX 76903 | Oil Operator | Sep 2026 |
| 22563 | PMB Energy, Inc. | Snyder, TX 79549 | Oil & Gas Operator | Sep 2026 |
| 22564 | PMD Oil Recovery LLC | Perry, OK 73077 | Oil & Gas Operator | Jul 2026 |
| 22565 | Pmi Energy Co. | Corpus Chrsti, TX 78471 | Oil & Gas Operator | Aug 2002 |
| 22566 | PMJ, Inc. | Man, WV 256350000 | Gas Operator | Dec 2021 |
| 22567 | PML Operating LLC | | Oil Operator | Jul 2026 |
| 22568 | Pmo | Garland, TX 75040 | Oil & Gas Operator | Feb 2018 |
| 22569 | PMR Energy, LLC | San Antonio, TX 78209 | Oil Operator | Sep 2026 |
| 22570 | PN Resources, Inc. | Tulsa, OK 74136 | Oil & Gas Operator | Aug 2003 |
| 22571 | PNB Petrol Haddad & Brooks Inc | Atlanta, GA 30305-1555 | Oil & Gas Operator | Dec 1989 |
| 22572 | PNG Operating Company | Oklahoma City, OK 73172 | Oil & Gas Operator | Sep 2026 |
| 22573 | PNG Production, LLC | Wellington, TX 79095 | Oil & Gas Operator | Sep 2026 |
| 22574 | PNL Operating, LLC | Casper, WY 82602 | Gas Operator | Dec 2022 |
| 22575 | PNP Operating Company LLC | San Antonio, TX 78230 | Oil Operator | Sep 2026 |
| 22576 | PO&G Operating, LLC (Pogo) | Houston, TX 77057 | Oil & Gas Operator | Jul 2026 |
| 22577 | Poblano Energy LLC | Houston, TX 77024-2217 | Oil & Gas Operator | Jun 2026 |
| 22578 | Pobres Incorporated | Wichita Falls, TX 76308 | Oil & Gas Operator | Mar 2008 |
| 22579 | Poc-I LLC | Casper, WY 82605 | Oil & Gas Operator | Jul 2026 |
| 22580 | Pocahontas Gas LLC | Pounding Mill, VA 24637 | Gas Operator | Dec 2021 |
| 22581 | Poco LLC | Houston, TX 77270 | Oil & Gas Operator | Sep 2026 |
| 22582 | Poco Oil Co. | Houston, TX 77069 | Oil & Gas Operator | Mar 1997 |
| 22583 | Poco Resources LLC | Artesia, NM 88210 | Oil & Gas Operator | Jul 2024 |
| 22584 | Poe Servicing Inc | Oberlin, KS 67749 | Oil Operator | Oct 2019 |
| 22585 | Poff, H. Bryan | Fort Worth, TX 76103 | Oil & Gas Operator | Mar 2008 |
| 22586 | Pogo Oil & Gas Operating, Inc | Hobbs, NM 88240 | Oil & Gas Operator | Dec 2019 |
| 22587 | Pogo Panhandle 2004, L.P. | Houston, TX 77002 | Oil & Gas Operator | Oct 2017 |
| 22588 | Pogo Producing Company | Houston, TX 77002 | Oil & Gas Operator | Jan 2008 |
| 22589 | Pogo Producing Company LLC | Houston, TX 77002 | Oil & Gas Operator | Jul 2026 |
| 22590 | Pogue Randall | Ada, OK 74821-1547 | Oil & Gas Operator | Apr 2014 |
| 22591 | Pogue, Randall R. | Ada, OK 74820 | Oil & Gas Operator | May 2003 |
| 22592 | Pohlman Oil LLC | Hays, KS 67601 | Oil Operator | Apr 2026 |
| 22593 | Point Energy Partners Petro, LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Sep 2026 |
| 22594 | Pointe Coupee Energy, Inc | | Oil Operator | Dec 2013 |
| 22595 | Polaris Energy Dev Co | Tulsa, OK 74135 | Oil & Gas Operator | Apr 2000 |
| 22596 | Polaris Enterprises Inc | Houston, TX 77057 | Oil & Gas Operator | Oct 1998 |
| 22597 | Polaris Operating, LLC | Dallas, TX 75225 | Oil & Gas Operator | Sep 2026 |
| 22598 | Polaris Petroleum Operations LLC | Branson West, MO 65737 | Oil & Gas Operator | May 2019 |
| 22599 | Polaris Production Corp. | Midland, TX 79702 | Oil & Gas Operator | Jan 2024 |
| 22600 | Polaris Production Inc. | | Oil & Gas Operator | Feb 2021 |