| 22401 | Pierce Oil Company | Skiatook, OK 74070 | Oil & Gas Operator | Nov 2017 |
| 22402 | Pierce Operating Company, L.L.C. | Bryan, TX 77808 | Oil & Gas Operator | Dec 2018 |
| 22403 | Pierce Patsey R The Estate Of | Duncan, OK 73533-4900 | Oil Operator | Mar 2007 |
| 22404 | Pierce Production Company | Eunice, NM 88231 | Oil & Gas Operator | Oct 2012 |
| 22405 | Pierce Production Company, LLC | Midland, TX 79702 | Oil & Gas Operator | Sep 2024 |
| 22406 | Pierce, Ray A. | Eunice, NM 88231 | Oil & Gas Operator | Nov 2004 |
| 22407 | Pierco Energy Corp. | Dallas, TX 75231 | Oil & Gas Operator | Sep 2024 |
| 22408 | Pierre Petroleum Corp. | Borger, TX 79007 | Oil & Gas Operator | Feb 1997 |
| 22409 | Piersol Oil & Gas Company | Belpre, OH 45714-0000 | Oil & Gas Operator | Dec 2021 |
| 22410 | Pierson Max S | Bartlesville, OK 74003-5909 | Oil Operator | Sep 2020 |
| 22411 | Pike Oil & Gas Inc | Pittsfield, IL 62363 | Oil & Gas Operator | Oct 2020 |
| 22412 | Pikeco Inc | Whitesboro, TX 76273 | Oil & Gas Operator | Nov 2001 |
| 22413 | Piland Resources | | Oil & Gas Operator | Mar 2022 |
| 22414 | Pilgrim & Smith Inc | Tulsa, OK 74152 | Oil & Gas Operator | Apr 2015 |
| 22415 | Pilgrim Energy Partners L.L.C. | Fairfield, IL 62837 | Oil Operator | Sep 2024 |
| 22416 | Pillar Efs, LLC | Dallas, TX 75204 | Oil & Gas Operator | Sep 2024 |
| 22417 | Pillar Energy, LLC | Charleston, WV 25312-5987-5987 | Oil & Gas Operator | Dec 2023 |
| 22418 | Pillers Chris | Skiatook, OK 74070-1811 | Oil Operator | Jul 2024 |
| 22419 | Pillows, Burl A. | Houston, TX 77062 | Oil & Gas Operator | Sep 2024 |
| 22420 | Pilot Energy LLC | Zanesville, OH 43701 | Oil & Gas Operator | Dec 2013 |
| 22421 | Pilot Exploration Company | Okmulgee, OK 74447 | Oil & Gas Operator | Jan 2011 |
| 22422 | Pilot Resources, Inc. | | Oil & Gas Operator | May 2013 |
| 22423 | Pima Energy, LLC | Knott, TX 79748 | Oil & Gas Operator | Sep 2024 |
| 22424 | Pin Oak Energy Partners LLC | Akron, OH 44311 | Oil & Gas Operator | Jun 2024 |
| 22425 | Pin Oak Operating, LLC | | Gas Operator | Dec 2021 |
| 22426 | Pin Oak Petroleum Inc | Dallas, TX 75251 | Oil & Gas Operator | Dec 1989 |
| 22427 | Pine City Gas LLC | Lucinda, PA 16235-0060 | Oil & Gas Operator | Dec 2023 |
| 22428 | Pine Creek Operating LLC | Colorado SPGS, CO 80903 | Oil & Gas Operator | Jul 2021 |
| 22429 | Pine Haven Resources LLC | Boulder, CO 80305 | Oil Operator | Jul 2024 |
| 22430 | Pine Island Operating, L.L.C. | Graham, TX 76450 | Oil & Gas Operator | Sep 2024 |
| 22431 | Pine Island Production Company | Corpus Chrsti, TX 78403 | Oil & Gas Operator | Apr 2012 |
| 22432 | Pine Island Production LLC | | Oil Operator | Jan 2024 |
| 22433 | Pine Meadows Ranch Incorporated | | Oil & Gas Operator | Dec 2001 |
| 22434 | Pine Oil Company | Cibolo, TX 78108 | Oil & Gas Operator | Dec 2023 |
| 22435 | Pine Pipeline, Inc. | | Oil Operator | Dec 1998 |
| 22436 | Pine Prairie Oil Co., Inc. | | Oil & Gas Operator | Nov 1983 |
| 22437 | Pine Ridge Energy | Sugar Grove, PA 16350-6934 | Oil & Gas Operator | Dec 2021 |
| 22438 | Pine Ridge Oil & Gas LLC | | Oil & Gas Operator | Jul 2015 |
| 22439 | Pine Ridge Operating, L.P. | Waelder, TX 78959 | Oil & Gas Operator | Sep 2024 |
| 22440 | Pine Ridge Petroleum LLC | Moorcroft, WY 82721 | Oil Operator | Aug 2024 |
| 22441 | Pine Top Inc | Akron, OH 44313 | Oil & Gas Operator | Dec 2016 |
| 22442 | Pine Valley Central School District | South Dayton, NY 14138 | Gas Operator | Dec 2023 |
| 22443 | Pine Valley Resources Inc | West Seneca, NY 14224-2244 | Oil & Gas Operator | Dec 1991 |
| 22444 | Pine Wave Energy Partners Op,LLC | Dallas, TX 75205 | Oil & Gas Operator | Sep 2024 |
| 22445 | Pine Wave Energy Partners Operating, LLC | | Gas Operator | Apr 2022 |
| 22446 | Pineco | Laurelville, OH 43135 | Oil & Gas Operator | Dec 2023 |
| 22447 | Pinedale Energy Partners Operating LLC | Tulsa, OK 74105 | Oil & Gas Operator | Apr 2021 |
| 22448 | Pinedale Investment Inc | Pinedale, WY 82941 | Oil & Gas Operator | Jul 2024 |
| 22449 | Pineland Operating Company LLC | Dallas, TX 75231 | Oil & Gas Operator | Jun 2024 |
| 22450 | Pinevue Farms | Chillicothe, OH 45601 | Oil & Gas Operator | Dec 1993 |
| 22451 | Pinewood Exploration Inc. | Arlington, TX 76096 | Oil & Gas Operator | Oct 2011 |
| 22452 | Pinkston Robert L | Beggs, OK 74421 | Oil Operator | May 2024 |
| 22453 | Pinnacle Corporation (The) | Broken Arrow, OK 74012 | Oil & Gas Operator | Nov 2014 |
| 22454 | Pinnacle Energy Group, LLC | Gillette, WY 82717 | Oil & Gas Operator | Nov 2017 |
| 22455 | Pinnacle Energy, LLC | | Oil & Gas Operator | Jan 2024 |
| 22456 | Pinnacle Exploration & Production Co | Kiefer, OK 74041 | Oil & Gas Operator | Jun 2024 |
| 22457 | Pinnacle Exploration Inc | Edmond, OK 73003 | Oil & Gas Operator | Mar 2024 |
| 22458 | Pinnacle Gas Resources, Inc. | Sheridan, WY 82801 | Gas Operator | Mar 2011 |
| 22459 | Pinnacle Mining Company, LLC | | Oil & Gas Operator | Dec 2017 |
| 22460 | Pinnacle Mining Corporation | Midland, TX 79708 | Oil & Gas Operator | Sep 2024 |
| 22461 | Pinnacle Operating Company LLC | Tulsa, OK 74137-4248 | Oil & Gas Operator | Jun 2024 |
| 22462 | Pinnacle Operating Company, Inc. | Shreveport, LA 71135 | Oil & Gas Operator | Sep 2024 |
| 22463 | Pinon Corporation | San Antonio, TX 78266 | Oil & Gas Operator | Jul 2001 |
| 22464 | Pinon Operating, LLC | Midland, TX 79702 | Oil & Gas Operator | Sep 2023 |
| 22465 | Pinon Petroleum, Inc. | San Angelo, TX 76903 | Oil & Gas Operator | Apr 2004 |
| 22466 | Pintail Minerals Corp. | | Gas Operator | Jun 1992 |
| 22467 | Pintail Oil & Gas, LLC | Midland, TX 79702 | Oil & Gas Operator | Dec 2019 |
| 22468 | Pintail Petroleu | | Oil & Gas Operator | Dec 1995 |
| 22469 | Pintail Petroleum Inc. | Wichita, KS 67202 | Oil & Gas Operator | Jun 2010 |
| 22470 | Pintail Petroleum, LTD. | Wichita, KS 67202 | Oil & Gas Operator | Apr 2021 |
| 22471 | Pintail Production Co., Inc. | Fort Worth, TX 76132 | Oil & Gas Operator | Sep 2024 |
| 22472 | Pintex Operating Inc. | Corpus Chrsti, TX 78478 | Oil & Gas Operator | Feb 2005 |
| 22473 | Pinto Petroleum | Wichita, KS 67211 | Oil Operator | Nov 2001 |
| 22474 | Pinzok, Michael & Linda | Ripley, NY 14775 | Gas Operator | Dec 2023 |
| 22475 | Pioneer Drilling Co | Payne, OH 45880 | Oil & Gas Operator | Dec 1993 |
| 22476 | Pioneer Energy Corporation | Dallas, TX 75204 | Oil & Gas Operator | Sep 2024 |
| 22477 | Pioneer Exploration Company | Houston, TX 77090 | Oil & Gas Operator | Jun 2024 |
| 22478 | Pioneer Exploration, LLC | Houston, TX 77090 | Oil & Gas Operator | Jul 2024 |
| 22479 | Pioneer Exploration, LTD. | Houston, TX 77090 | Oil & Gas Operator | Sep 2008 |
| 22480 | Pioneer Feedyard, LLC | Oakley, KS 67748 | Oil Operator | May 2024 |
| 22481 | Pioneer Natural Res. (GPC), Inc. | Midland, TX 79702 | Oil & Gas Operator | Apr 1998 |
| 22482 | Pioneer Natural Res. USA, Inc. | Irving, TX 75038 | Oil & Gas Operator | Sep 2024 |
| 22483 | Pioneer Natural Resources Alaska Inc. | | Oil & Gas Operator | Jul 2014 |
| 22484 | Pioneer Natural Resources USA Inc | Irving, TX 75039 | Oil & Gas Operator | May 2024 |
| 22485 | Pioneer Of Oklahoma LP | Houston, TX 77090-3655 | Oil & Gas Operator | May 2024 |
| 22486 | Pioneer Oil & Gas | South Jordan, UT 84095 | Oil & Gas Operator | Jan 2014 |
| 22487 | Pioneer Oil Company, Inc. | Vincennes, IN 47501 | Oil & Gas Operator | May 2024 |
| 22488 | Pioneer Operatio | | Oil & Gas Operator | Mar 1986 |
| 22489 | Pioneer Operations, LLC | Hays, KS 67601 | Oil Operator | May 2024 |
| 22490 | Pioneer Prod. Corp. | | Oil & Gas Operator | Jun 1986 |
| 22491 | Pioneer Production Corp-Huggs | | Oil & Gas Operator | Jun 1986 |
| 22492 | Pioneer Prospect LLP | Sioux Falls, SD 57108 | Gas Operator | Dec 2022 |
| 22493 | Pioneer Resources Inc. | Phillipsburg, KS 67661 | Oil & Gas Operator | Oct 2020 |
| 22494 | Pioneer Resources Prod LP | Irving, TX 75039-3745 | Oil & Gas Operator | Feb 2005 |
| 22495 | Pioneer Resources Producing, L.P | Irving, TX 75039 | Oil & Gas Operator | Feb 2001 |
| 22496 | Pioneer Trucking LLC | Oklahoma City, OK 73162 | Oil Operator | Jul 2024 |
| 22497 | Pipeline Holdings, Inc | | Gas Operator | Dec 2012 |
| 22498 | Pipeline Management, Inc. | Lubbock, TX 79401 | Oil & Gas Operator | Dec 2002 |
| 22499 | Pipeline Oil & Gas, LLC | Phoenix, AZ 85016 | Oil Operator | Feb 2014 |
| 22500 | Piper Operating LLC | Stigler, OK 74462 | Oil & Gas Operator | Jul 2024 |