| 22401 | Pineco | Laurelville, OH 43135 | Oil & Gas Operator | Dec 2023 |
| 22402 | Pinedale Energy Partners Operating LLC | Tulsa, OK 74105 | Oil & Gas Operator | Apr 2021 |
| 22403 | Pinedale Investment Inc | Pinedale, WY 82941 | Oil & Gas Operator | Jul 2026 |
| 22404 | Pineland Operating Company, LLC | Dallas, TX 75231 | Oil & Gas Operator | Jun 2026 |
| 22405 | Pinevue Farms | Chillicothe, OH 45601 | Oil & Gas Operator | Dec 1993 |
| 22406 | Pinewood Exploration Inc. | Arlington, TX 76096 | Oil & Gas Operator | Oct 2011 |
| 22407 | Pinkston Robert L | Beggs, OK 74421 | Oil Operator | May 2026 |
| 22408 | Pinnacle Corporation (The) | Broken Arrow, OK 74012 | Oil & Gas Operator | Nov 2014 |
| 22409 | Pinnacle Energy Group, LLC | Gillette, WY 82717 | Oil & Gas Operator | Nov 2017 |
| 22410 | Pinnacle Energy, LLC | | Oil & Gas Operator | Jan 2025 |
| 22411 | Pinnacle Exploration & Production Co | Kiefer, OK 74041 | Oil & Gas Operator | May 2026 |
| 22412 | Pinnacle Exploration Inc | Edmond, OK 73003 | Oil & Gas Operator | Mar 2024 |
| 22413 | Pinnacle Gas Resources, Inc. | Sheridan, WY 82801 | Gas Operator | Mar 2011 |
| 22414 | Pinnacle Mining Company, LLC | | Oil & Gas Operator | Dec 2017 |
| 22415 | Pinnacle Mining Corporation | Midland, TX 79708 | Oil & Gas Operator | Sep 2026 |
| 22416 | Pinnacle Operating Company LLC | Tulsa, OK 74137 | Oil & Gas Operator | May 2026 |
| 22417 | Pinnacle Operating Company, Inc. | Shreveport, LA 71135 | Oil & Gas Operator | Sep 2026 |
| 22418 | Pinon Corporation | San Antonio, TX 78266 | Oil & Gas Operator | Jul 2001 |
| 22419 | Pinon Operating, LLC | Midland, TX 79702 | Oil & Gas Operator | Sep 2023 |
| 22420 | Pinon Petroleum, Inc. | San Angelo, TX 76903 | Oil & Gas Operator | Apr 2004 |
| 22421 | Pintail Minerals Corp. | | Gas Operator | Jun 1992 |
| 22422 | Pintail Oil & Gas, LLC | Midland, TX 79702 | Oil & Gas Operator | Dec 2019 |
| 22423 | Pintail Petroleu | | Oil & Gas Operator | Dec 1995 |
| 22424 | Pintail Petroleum, Inc. | Wichita, KS 67202 | Oil & Gas Operator | Jun 2010 |
| 22425 | Pintail Petroleum, LTD. | Wichita, KS 67202 | Oil & Gas Operator | Apr 2021 |
| 22426 | Pintail Production Co., Inc. | Fort Worth, TX 76132 | Oil & Gas Operator | Sep 2026 |
| 22427 | Pintex Operating Inc. | Corpus Chrsti, TX 78478 | Oil & Gas Operator | Feb 2005 |
| 22428 | Pinto Petroleum | Wichita, KS 67211 | Oil Operator | Nov 2001 |
| 22429 | Pinzok, Michael & Linda | Ripley, NY 14775 | Gas Operator | Dec 2025 |
| 22430 | Pioneer Drilling Co | Payne, OH 45880 | Oil & Gas Operator | Dec 1993 |
| 22431 | Pioneer Energy Corporation | Dallas, TX 75204 | Oil & Gas Operator | Sep 2026 |
| 22432 | Pioneer Exploration Company | Houston, TX 77090 | Oil & Gas Operator | Jun 2026 |
| 22433 | Pioneer Exploration, LLC | Houston, TX 77090 | Oil & Gas Operator | Jul 2026 |
| 22434 | Pioneer Exploration, LTD. | Houston, TX 77090 | Oil & Gas Operator | Sep 2008 |
| 22435 | Pioneer Feedyard, LLC | Oakley, KS 67748 | Oil Operator | Mar 2026 |
| 22436 | Pioneer Natural Res. (GPC), Inc. | Midland, TX 79702 | Oil & Gas Operator | Apr 1998 |
| 22437 | Pioneer Natural Res. USA, Inc. | Spring, TX 77389 | Oil & Gas Operator | Sep 2026 |
| 22438 | Pioneer Natural Resources Alaska Inc. | | Oil & Gas Operator | Jul 2014 |
| 22439 | Pioneer Natural Resources USA Inc | Irving, TX 75039 | Oil & Gas Operator | Apr 2026 |
| 22440 | Pioneer Of Oklahoma LP | Houston, TX 77090-3655 | Oil & Gas Operator | May 2026 |
| 22441 | Pioneer Oil & Gas | South Jordan, UT 84095 | Oil & Gas Operator | Jan 2014 |
| 22442 | Pioneer Oil Company, Inc. | Vincennes, IN 47501 | Oil & Gas Operator | Apr 2026 |
| 22443 | Pioneer Operatio | | Oil & Gas Operator | Mar 1986 |
| 22444 | Pioneer Operations, LLC | Hays, KS 67601 | Oil Operator | Mar 2026 |
| 22445 | Pioneer Prod. Corp. | | Oil & Gas Operator | Jun 1986 |
| 22446 | Pioneer Production Corp-Huggs | | Oil & Gas Operator | Jun 1986 |
| 22447 | Pioneer Prospect LLP | Sioux Falls, SD 57108 | Gas Operator | Dec 2024 |
| 22448 | Pioneer Resources | Jefferson, CO 80456 | Oil Operator | Dec 2009 |
| 22449 | Pioneer Resources Inc | Phillipsburg, KS 67661 | Oil & Gas Operator | Oct 2020 |
| 22450 | Pioneer Resources Prod LP | Irving, TX 75039-3745 | Oil & Gas Operator | Feb 2005 |
| 22451 | Pioneer Resources Producing, L.P | Irving, TX 75039 | Oil & Gas Operator | Feb 2001 |
| 22452 | Pioneer Trucking, LLC | | Oil Operator | Jun 2026 |
| 22453 | Pipeline Holdings, Inc | | Gas Operator | Dec 2012 |
| 22454 | Pipeline Management, Inc. | Lubbock, TX 79401 | Oil & Gas Operator | Dec 2002 |
| 22455 | Pipeline Oil & Gas, LLC | Phoenix, AZ 85016 | Oil Operator | Feb 2014 |
| 22456 | Pipeline Resources, Inc. | Corpus Christ, TX 78412 | Gas Operator | Aug 2003 |
| 22457 | Piper Operating LLC | Stigler, OK 74462 | Oil & Gas Operator | May 2026 |
| 22458 | Pipes Pursie E | MT Vernon, IL 62864 | Oil & Gas Operator | Dec 2014 |
| 22459 | Piqua Petro, Inc. | Piqua, KS 66761 | Oil Operator | Mar 2026 |
| 22460 | Piqua Petroleum | | Oil Operator | Dec 1996 |
| 22461 | Pistol Ridge Partners, LLC | | Oil & Gas Operator | Jun 2026 |
| 22462 | Pita Oil And Gas LLC | | Oil Operator | Jul 2004 |
| 22463 | Pitchfork Investments, LLC | Amarillo, TX 79109 | Oil & Gas Operator | Sep 2026 |
| 22464 | Pitchfork Oil & Gas, Inc. | Orchard, TX 77464 | Oil & Gas Operator | Sep 2026 |
| 22465 | Pitco Investments, LTD. | Scottsdale, AZ 85261 | Oil & Gas Operator | Jan 2013 |
| 22466 | Pitco Production Company | Tulsa, OK 74170-2320 | Oil & Gas Operator | May 2013 |
| 22467 | Pitcock, Inc. | Graham, TX 76450 | Oil & Gas Operator | Sep 2026 |
| 22468 | Pitman Creek, Inc. | Burlington, IA 52601 | Oil Operator | Dec 1992 |
| 22469 | Pitman John | | Oil & Gas Operator | Jan 1992 |
| 22470 | Pitman, John Douglas Revocable Trust | Oklahoma City, OK 73118 | Oil Operator | Dec 2019 |
| 22471 | Pitman, John Estate (Deceased) | Oklahoma City, OK 73104 | Oil Operator | May 2000 |
| 22472 | Pittencrieff (Gulf Coast), Inc. | Abilene, TX 79608 | Oil & Gas Operator | Sep 1998 |
| 22473 | Pittencrieff America Inc | Abilene, TX 79608 | Oil & Gas Operator | Feb 2003 |
| 22474 | Pittman Kenneth | | Oil Operator | Mar 1995 |
| 22475 | Pittman, Joe N. | | Oil & Gas Operator | Apr 1985 |
| 22476 | Pittman-Allen Operating LLC | Oklahoma City, OK 73122-1105 | Gas Operator | Feb 2016 |
| 22477 | Pitts Energy Co. | Midland, TX 79707 | Oil & Gas Operator | Sep 2026 |
| 22478 | Pitts Oil Co-Dallas Prod Inc | | Oil & Gas Operator | Jun 1991 |
| 22479 | Pitts, Charles Company | Abilene, TX 79604 | Oil & Gas Operator | Dec 1997 |
| 22480 | Pitts, W. C. | | Oil Operator | Jan 1988 |
| 22481 | Pivonka Investments LLC | | Oil & Gas Operator | Jul 2026 |
| 22482 | Pixley Carlis D | Marlow, OK 73055 | Oil & Gas Operator | Sep 1999 |
| 22483 | Pizzi, Ricardo A. | Attica, NY 14011 | Gas Operator | Dec 2025 |
| 22484 | PK Gath & Oilfield SVCS, Inc. | Cleburne, TX 76031 | Oil & Gas Operator | Sep 2026 |
| 22485 | PK Petroleum LLC | Pampa, TX 79065 | Oil & Gas Operator | Sep 2026 |
| 22486 | PKS Energy Savers Inc. | Wichita Falls, TX 76307 | Oil & Gas Operator | Jul 1994 |
| 22487 | Place Oil And Gas Co. | Eastland, TX 76448 | Oil & Gas Operator | Sep 2026 |
| 22488 | Place, Steve | El Dorado, KS 67042 | Oil Operator | Dec 2019 |
| 22489 | Placer Oil Co. | Sugar Land, TX 77479 | Oil & Gas Operator | Apr 2008 |
| 22490 | Placid Oil Co., Et Al | | Oil & Gas Operator | Jun 1983 |
| 22491 | Placid Oil Company | Houston, TX 77227 | Oil & Gas Operator | Mar 2008 |
| 22492 | Placid Operating, LLC | Dallas, TX 75230 | Oil & Gas Operator | Jul 2021 |
| 22493 | Plains Exploration & Prod. Co. | Houston, TX 77002 | Oil & Gas Operator | Jul 2013 |
| 22494 | Plains Marketing, LP | Cushing, OK 74023 | Oil Operator | Jan 2012 |
| 22495 | Plains Oil & Gas | Cushing, OK 74023-4819 | Oil & Gas Operator | Jan 2019 |
| 22496 | Plains Oil Compa | | Oil & Gas Operator | Aug 1988 |
| 22497 | Plains Petroleum | | Gas Operator | Dec 1996 |
| 22498 | Plains Petroleum Operating Co | Denver, CO 80202 | Oil & Gas Operator | Dec 2014 |
| 22499 | Plains Production Inc | Wichita Falls, TX 76308 | Oil & Gas Operator | Dec 1995 |
| 22500 | Plains Radio Pet Co | Midland, TX 79703 | Oil & Gas Operator | Apr 2023 |