| 22301 | Petroleum Reserve Corporation | Plymouth MTNG, PA 19462 | Oil & Gas Operator | May 2008 |
| 22302 | Petroleum Resource Management Co | Fort Worth, TX 76107 | Oil & Gas Operator | Jan 2024 |
| 22303 | Petroleum Resource Management Corp | Denver, CO 80203 | Oil & Gas Operator | Oct 2024 |
| 22304 | Petroleum Resource MGMT Co TX | | Oil & Gas Operator | Sep 2020 |
| 22305 | Petroleum Resources Co | Wichita, KS 67206 | Oil & Gas Operator | May 2000 |
| 22306 | Petroleum Resources MGMT Corp. | | Oil & Gas Operator | Mar 2002 |
| 22307 | Petroleum Resources, LLC | | Oil & Gas Operator | Dec 2021 |
| 22308 | Petroleum Service Partners, Inc. | Indiana, PA 15701-0000 | Oil & Gas Operator | Dec 2021 |
| 22309 | Petroleum Technical Services Co. | Midland, TX 79707 | Oil & Gas Operator | Dec 2004 |
| 22310 | Petroleum Techno | | Oil & Gas Operator | Dec 1996 |
| 22311 | Petroleum Technologies, Inc. | Kansas City, MO 64112 | Oil & Gas Operator | Jul 2024 |
| 22312 | Petroleum Venture Capitol Corp | | Oil Operator | Jun 1980 |
| 22313 | Petrolia Energy Corporation | Pearland, TX 77581 | Oil Operator | Jan 2024 |
| 22314 | Petrolia Group, L.L.C. | Katy, TX 77449 | Oil & Gas Operator | Nov 2024 |
| 22315 | Petromac, Inc. | Onalaska, TX 77360 | Oil & Gas Operator | Nov 2024 |
| 22316 | Petromark Energy LLC | Oklahoma City, OK 73116-7634 | Oil & Gas Operator | Jun 2000 |
| 22317 | Petromark Exploration Company | | Oil & Gas Operator | Nov 2001 |
| 22318 | Petromark Resources Company | Tulsa, OK 74136 | Oil & Gas Operator | Sep 1993 |
| 22319 | Petromax Oil And Gas Inc | | Oil & Gas Operator | Dec 1988 |
| 22320 | Petromerica Operating LLC | Oklahoma City, OK 73102-4613 | Oil Operator | Sep 2024 |
| 22321 | Petrominerals Corp. | | Oil & Gas Operator | Dec 2003 |
| 22322 | Petromining, Inc. | Plano, TX 75026 | Oil & Gas Operator | Nov 2024 |
| 22323 | Petron Development Company | | Oil & Gas Operator | Oct 2020 |
| 22324 | Petron Energy Inc | Dallas, TX 75252 | Oil & Gas Operator | Nov 2024 |
| 22325 | Petron Oil & Gas | Lenexa, KS 66215 | Oil & Gas Operator | Jul 2024 |
| 22326 | Petron Oil Company | Missouri City, TX 77489 | Oil & Gas Operator | Nov 2024 |
| 22327 | Petronomics Petroleum, Inc. | Austin, TX 78734 | Oil & Gas Operator | Jan 1995 |
| 22328 | Petronomics, Inc. | Houston, TX 77074 | Oil & Gas Operator | Aug 2003 |
| 22329 | Petronova, LLC | | Gas Operator | Jul 2014 |
| 22330 | Petroplex Energy Inc. | Midland, TX 79702 | Oil & Gas Operator | Nov 2024 |
| 22331 | Petroplex Equipment, Inc. | Midland, TX 79701 | Oil & Gas Operator | May 2019 |
| 22332 | Petropoint Energy Operating, LLC | Houston, TX 77098 | Oil & Gas Operator | Nov 2024 |
| 22333 | Petroprize | | Oil & Gas Operator | Sep 2024 |
| 22334 | Petropro Energy Partners, L.P. | Houston, TX 77024 | Oil & Gas Operator | Jan 2013 |
| 22335 | Petroquest Energy, Inc. | Lafayette, LA 70505 | Oil & Gas Operator | Feb 2001 |
| 22336 | Petroquest Energy, L.L.C. | Lafayette, LA 70505 | Oil & Gas Operator | Nov 2024 |
| 22337 | Petroquest Exploration, Inc. | Dallas, TX 75251 | Oil & Gas Operator | Mar 2008 |
| 22338 | Petroquest Oil & Gas LLC | Wewoka, OK 74884 | Oil & Gas Operator | Sep 2024 |
| 22339 | Petroquest, LLC | El Dorado, AR 71730 | Oil & Gas Operator | May 2024 |
| 22340 | Petroreal Inc. | Temple, TX 76503 | Oil & Gas Operator | Nov 2024 |
| 22341 | Petrorep Inc | | Oil Operator | Oct 1998 |
| 22342 | Petrosantander (USA) Inc. | Houston, TX 77057 | Oil & Gas Operator | Jul 2024 |
| 22343 | Petrosaurus, Inc. | Somerset, TX 78069 | Oil Operator | Nov 2024 |
| 22344 | Petrosearch Operating Co, LLC | Denver, CO 80202 | Oil & Gas Operator | Nov 2024 |
| 22345 | Petrosearch, Inc. | | Oil Operator | Jul 1992 |
| 22346 | Petroshale (Us) Inc. | | Oil & Gas Operator | Sep 2024 |
| 22347 | Petroshare Corporation | | Oil & Gas Operator | Jan 2024 |
| 22348 | Petrosil Resources Inc. | | Oil & Gas Operator | Oct 1981 |
| 22349 | Petrosource Energy Corporation | Fort Worth, TX 76112 | Oil & Gas Operator | Nov 2024 |
| 22350 | Petrosource Production Co. L.P. | Midland, TX 79701 | Oil & Gas Operator | Nov 2007 |
| 22351 | Petrosource Production Co., LLC | Midland, TX 79705 | Oil & Gas Operator | Nov 2024 |
| 22352 | Petrotech Resources Corp | Glasgow, KY 42141 | Oil & Gas Operator | Dec 2022 |
| 22353 | Petrotex Engineering Company | Cypress, TX 77429 | Oil & Gas Operator | Nov 2024 |
| 22354 | Petrotex Louisiana Company | | Oil & Gas Operator | Aug 1998 |
| 22355 | Petrotex, Inc. | Abilene, TX 79604 | Oil & Gas Operator | Aug 2003 |
| 22356 | Petrotx Operating, LLC | Kingwood, TX 77339 | Oil & Gas Operator | Nov 2024 |
| 22357 | Petroventures In | | Oil Operator | Apr 1987 |
| 22358 | Petrowater Solutions LLC | Oklahoma City, OK 73102-5643 | Oil Operator | Aug 2016 |
| 22359 | Petrowest | | Oil & Gas Operator | Dec 2001 |
| 22360 | Petrowest Energy Co Inc | | Oil & Gas Operator | Dec 2023 |
| 22361 | Petrox Resources Inc | Meeker, CO 81641 | Oil & Gas Operator | Sep 2024 |
| 22362 | Petrox, Inc | Streetsboro, OH 44241 | Oil & Gas Operator | Dec 2023 |
| 22363 | Petrus Oil Company., L.P. | | Oil & Gas Operator | Dec 1989 |
| 22364 | Petrus Operating Co., Inc. | | Oil & Gas Operator | Dec 1986 |
| 22365 | Petsec Energy Inc. | | Oil & Gas Operator | Sep 2012 |
| 22366 | Pettigrew Pumping Service Inc | Ravenna, OH 44266 | Oil & Gas Operator | Dec 2023 |
| 22367 | Pettit Charles Oil Company | Okmulgee, OK 74447-4226 | Oil & Gas Operator | Sep 2018 |
| 22368 | Petx Petroleum C | | Oil Operator | Nov 1993 |
| 22369 | PF Operating Company | Wichita Falls, TX 76302 | Oil & Gas Operator | Aug 2003 |
| 22370 | Pfed Operating | Keller, TX 76248 | Oil Operator | Nov 2024 |
| 22371 | Pfeifer Explorations, LLC | Hays, KS 67601 | Oil Operator | Jul 2024 |
| 22372 | Pfog Operations, LLC | Midland, TX 79710 | Oil Operator | Nov 2024 |
| 22373 | Pfrang, Derek | Wetmore, KS 66550 | Oil Operator | Jul 2022 |
| 22374 | PG&E Resources Company | Houston, TX 77042 | Oil & Gas Operator | May 1995 |
| 22375 | PG&E Resources Offshore Company | Dallas, TX 75206 | Oil & Gas Operator | Oct 1994 |
| 22376 | PG-M International Operating,LLC | Borger, TX 79008 | Oil & Gas Operator | Nov 2024 |
| 22377 | PGC LLC | Newcastle, WY 92701 | Oil Operator | Oct 2023 |
| 22378 | Pgi Operating, LLC | Sweetwater, TX 79556 | Oil Operator | Nov 2024 |
| 22379 | Pgo, Inc. | Houston, TX 77042 | Oil & Gas Operator | Jun 1999 |
| 22380 | PGP Operating, LLC | Vance, AL 35490 | Gas Operator | Jun 2024 |
| 22381 | PH Exploration, Inc. | Houston, TX 77008 | Oil & Gas Operator | Nov 2001 |
| 22382 | Phalanx Petroleum LLC | | Oil & Gas Operator | Jul 2024 |
| 22383 | Pharaoh & Associates, Inc. | Houston, TX 77252 | Oil & Gas Operator | Aug 2002 |
| 22384 | Pharaoh Oil & Gas, Inc. | MC Camey, TX 79752 | Oil & Gas Operator | Nov 2024 |
| 22385 | Pharaoh Oil, LLC | | Oil Operator | Jul 2024 |
| 22386 | Pharoah Bob | Maysville, OK 73057 | Oil & Gas Operator | Jul 1994 |
| 22387 | Pharr, Billy W | Emerson, AR 71740 | Oil & Gas Operator | Jul 2024 |
| 22388 | Pharyn Resources, LLC | Lenexa, KS 66219 | Oil Operator | Jun 2009 |
| 22389 | Phase III Drilling Inc | Wetumka, OK 74883-0333 | Oil & Gas Operator | Aug 2024 |
| 22390 | PHD Oil & Gas Inc | Rush Springs, OK 73082-0218 | Oil & Gas Operator | May 2021 |
| 22391 | Pheffer Oil, L.L.C. | Laredo, TX 78041 | Oil Operator | Jul 2021 |
| 22392 | Pheldon Oil Production Inc | Asher, OK 74826-2629 | Oil & Gas Operator | Apr 2024 |
| 22393 | Phere Operating Inc | Spring Branch, TX 78070 | Oil & Gas Operator | Nov 2024 |
| 22394 | Phil Groves Oil | | Oil & Gas Operator | Jun 2024 |
| 22395 | Philco Energy Inc | Lamesa, TX 79331 | Oil & Gas Operator | Mar 2015 |
| 22396 | Philcon Development Co. | Amarillo, TX 79101 | Oil & Gas Operator | Sep 2014 |
| 22397 | Philip B. Berry Oper Co., Inc. | | Oil & Gas Operator | Jun 1990 |
| 22398 | Philip H. McAlmond | | Oil Operator | Dec 2002 |
| 22399 | Philip R. McPharlin | | Oil & Gas Operator | Dec 1995 |
| 22400 | Philip Services/Louisiana Inc. | | Oil Operator | Dec 2000 |