| 23301 | Pro-Energy Inc | Tulsa, OK 74136-5925 | Oil Operator | Apr 2025 |
| 23302 | Pro-Test, Inc. | Kilgore, TX 75663 | Oil Operator | Jul 2025 |
| 23303 | Pro. Energy I Resource, LLC | Haslet, TX 76052 | Oil Operator | Jul 2025 |
| 23304 | Pro3 Sulfur Solutions, Inc. | Russell, KS 67665 | Oil Operator | Jan 2025 |
| 23305 | Probe Exploration Company | Abilene, TX 79605 | Oil & Gas Operator | Jul 2025 |
| 23306 | Probe Offshore, LLC | Houston, TX 77002 | Oil & Gas Operator | Feb 2009 |
| 23307 | Probe Oil Company | Midland, TX 79710 | Oil & Gas Operator | Jul 2016 |
| 23308 | Probity Operating, LLC | Midland, TX 79708 | Oil & Gas Operator | Jul 2014 |
| 23309 | Procell & Procell | | Oil & Gas Operator | Jan 2003 |
| 23310 | Proco | Wooster, OH 44691 | Oil Operator | Dec 1988 |
| 23311 | Proco Operating Co., Inc. | Graford, TX 76449 | Oil & Gas Operator | Jul 2025 |
| 23312 | Proctor Dale & Mildred | Wetumka, OK 74883-6272 | Gas Operator | Apr 2025 |
| 23313 | Producers Energy Corporation | Houston, TX 77002 | Oil & Gas Operator | Aug 2000 |
| 23314 | Producers Engineering Company | Destin, FL 32541 | Oil & Gas Operator | Sep 1999 |
| 23315 | Producers Environmental Ser. Inc | Borger, TX 79008 | Oil & Gas Operator | Jul 2025 |
| 23316 | Producers Equipm | | Oil Operator | Dec 1996 |
| 23317 | Producers Gas Transmission Inc | | Oil Operator | Nov 2024 |
| 23318 | Producers Oil Company | Tulsa, OK 74103 | Oil & Gas Operator | Jan 2007 |
| 23319 | Producers Operating Co Inc | Amarillo, TX 79105 | Oil & Gas Operator | Jul 2025 |
| 23320 | Producers Well Service, Inc. | Boling, TX 77420 | Oil & Gas Operator | Jul 2025 |
| 23321 | Producing Royalties Inc | Lubbock, TX BADADDR | Gas Operator | Aug 2004 |
| 23322 | Production Compa | | Oil Operator | Apr 1985 |
| 23323 | Production Consultants, Inc. | Pampa, TX 79065 | Oil & Gas Operator | Feb 2017 |
| 23324 | Production Disbursement, Inc. | Abilene, TX 79604 | Oil & Gas Operator | Dec 2011 |
| 23325 | Production Drill | | Oil Operator | Oct 1994 |
| 23326 | Production Drilling, Inc. | Hays, KS 67601 | Oil Operator | Mar 2025 |
| 23327 | Production Enterprises | Houston, TX 77075 | Oil & Gas Operator | Aug 2007 |
| 23328 | Production Funds Inc | | Oil & Gas Operator | Nov 2001 |
| 23329 | Production Gathering Company, LP | Dallas, TX 75206 | Oil & Gas Operator | Jul 2025 |
| 23330 | Production Gauging Service Inc | | Oil Operator | Feb 1999 |
| 23331 | Production Maintenance Service | | Oil & Gas Operator | Jun 2020 |
| 23332 | Production Manag | | Oil Operator | Dec 1986 |
| 23333 | Production Management Associates | Plano, TX 75075 | Oil & Gas Operator | Jul 2025 |
| 23334 | Production Management Corp. | | Oil & Gas Operator | Jul 1987 |
| 23335 | Production Management Inc | | Oil & Gas Operator | Jul 2021 |
| 23336 | Production Marketing Assoc Inc | Plano, TX 75075 | Oil & Gas Operator | Jul 2025 |
| 23337 | Production Operators Of TX, LLC | Abilene, TX 79605 | Oil & Gas Operator | Jul 2025 |
| 23338 | Production Resources, Inc. | Castroville, TX 78009 | Oil & Gas Operator | Jul 2025 |
| 23339 | Production Service Co. | Lubbock, TX 79490 | Oil & Gas Operator | Oct 2015 |
| 23340 | Production Specialties Company | | Oil & Gas Operator | Dec 2003 |
| 23341 | Production Team | | Oil & Gas Operator | Sep 1991 |
| 23342 | Proex Energy Management, L.L.C. | Spring, TX 77386 | Oil & Gas Operator | Jul 2025 |
| 23343 | Professional Management GRP,Inc. | Boerne, TX 78006 | Oil & Gas Operator | Aug 1999 |
| 23344 | Professional Management Serv | | Oil Operator | Mar 1991 |
| 23345 | Professional Oilfield Services, Inc. | Byesville, OH 43723 | Oil & Gas Operator | Dec 2021 |
| 23346 | Professional Petr. Servs, Inc. | | Oil Operator | Oct 2016 |
| 23347 | Profit Energy Company | Jerusalem, OH 43747 | Oil & Gas Operator | Dec 2024 |
| 23348 | Progas Operating, Inc | Red Rock, TX 78662 | Oil & Gas Operator | Jul 2025 |
| 23349 | Progas Properties, Inc. | New Braunfels, TX 78132 | Oil & Gas Operator | Jul 2025 |
| 23350 | Progenies Operating LLC | Austin, TX 78746 | Oil & Gas Operator | Jul 2025 |
| 23351 | Progress Petroleum Co. | | Oil & Gas Operator | Apr 1993 |
| 23352 | Progressive Gas Services Inc. | Houston, TX 77279 | Oil & Gas Operator | Feb 2002 |
| 23353 | Progressive Oil & Gas | Moxahala, OH 43761 | Oil & Gas Operator | Dec 2024 |
| 23354 | Project Design Specialists Inc | | Oil & Gas Operator | May 1991 |
| 23355 | Projj Energy LLC | Sugar Land, TX 77496 | Oil & Gas Operator | Jul 2025 |
| 23356 | Prolific Resources LLC | Wichita, KS 67208 | Oil & Gas Operator | Mar 2025 |
| 23357 | Proline Energy Resources Inc | Sugar Land, TX 77479 | Oil & Gas Operator | Jul 2025 |
| 23358 | Prolithic Energy Company, L.P. | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Aug 2002 |
| 23359 | Promise Energy Operations, LLC | Texas City, TX 77592 | Oil Operator | Jul 2025 |
| 23360 | Prompt Operating LLC | Velma, OK 73491 | Oil Operator | Mar 2025 |
| 23361 | Pronghorn Management Corporation | Hobbs, NM 88241 | Oil & Gas Operator | Jul 2025 |
| 23362 | Pronghorn Operating LLC | | Oil Operator | Jan 2023 |
| 23363 | Pronto Services | San Antonio, TX 78209 | Oil & Gas Operator | Jul 2025 |
| 23364 | Propel Energy Company | | Oil Operator | Oct 1991 |
| 23365 | Propel Energy, LLC | Houston, TX 77024 | Oil & Gas Operator | Sep 2013 |
| 23366 | Property Development Group, Inc. | San Antonio, TX 78212 | Oil & Gas Operator | Jul 2025 |
| 23367 | Property Producing Co. | Columbus, TX 78934 | Gas Operator | Jul 2025 |
| 23368 | Prospctv Invstmnt & TRDG Co, LTD | Tulsa, OK 74170 | Oil & Gas Operator | May 2001 |
| 23369 | Prospect Energy LLC | | Oil & Gas Operator | Jan 2024 |
| 23370 | Prospect Enterprises Inc | Wetumka, OK 74883-0068 | Oil & Gas Operator | Apr 2004 |
| 23371 | Prospect Oil & G | | Oil Operator | Feb 1996 |
| 23372 | Prospect Oil & Gas Corp | Russell, KS 67665 | Oil Operator | Mar 2025 |
| 23373 | Prospecta Energy Group, Inc. | Brownwood, TX 76801 | Oil Operator | Jul 2025 |
| 23374 | Prospective Inv. & Trading Co., LTD., The | Tulsa, OK 74170 | Oil Operator | Dec 2019 |
| 23375 | Prospective Invest & Trad Co LTD | Tulsa, OK 74170 | Oil & Gas Operator | Aug 2005 |
| 23376 | Prospective Investment & Trading | Scottsdale, AZ 85261-4190 | Oil & Gas Operator | Jun 2016 |
| 23377 | Prospective Investment & Trading Co., LTD., The | Tulsa, OK 74170-2320 | Oil & Gas Operator | Apr 2014 |
| 23378 | Prospective Investment & Trding Co LTD | | Oil & Gas Operator | Sep 2012 |
| 23379 | Prospective Investment And Trading Co (The) | Tulsa, OK 741702320 | Oil & Gas Operator | Jun 2005 |
| 23380 | Prospective Invs | | Oil & Gas Operator | Jun 1994 |
| 23381 | Prospectors LTD., The | Somerset, TX 78069 | Oil & Gas Operator | Jun 2002 |
| 23382 | Prosper Energy Corporation | | Oil & Gas Operator | Oct 1988 |
| 23383 | Prosper Oil & Gas,Inc. | Dallas, TX 75201 | Oil & Gas Operator | Jul 2025 |
| 23384 | Prospera Energy, Inc. | | Oil & Gas Operator | Dec 2005 |
| 23385 | Prosperous Oil & Gas Inc | Okmulgee, OK 74447 | Oil & Gas Operator | Apr 2025 |
| 23386 | Prostar Energy, LLC | | Oil Operator | Sep 2011 |
| 23387 | Protege Energy III LLC | Houston, TX 77024 | Oil & Gas Operator | Sep 2024 |
| 23388 | Protege Energy LLC | Tulsa, OK 74135 | Oil & Gas Operator | Jan 2018 |
| 23389 | Proteus Petroleum, Inc. | | Oil & Gas Operator | Nov 1983 |
| 23390 | Protho Energy Service LLC | | Oil & Gas Operator | May 2025 |
| 23391 | Proton Energy, L.L.C. | Houston, TX 77002 | Oil & Gas Operator | Jun 2005 |
| 23392 | Prough A J | Gotebo, OK 73041 | Oil Operator | Apr 2014 |
| 23393 | Provecho Partners | Hays, KS 67601 | Oil Operator | Apr 2005 |
| 23394 | Proven Fuel Exploration, Inc. | | Oil & Gas Operator | Mar 2022 |
| 23395 | Proven Natural Resources LLC | Canton, TX 75103 | Oil & Gas Operator | Jul 2025 |
| 23396 | Proven Oil Production | | Oil Operator | Mar 2002 |
| 23397 | Proven Petroleum, Inc. | Lakewood, CO 80228 | Oil & Gas Operator | May 2025 |
| 23398 | Proven Reserves Management, Inc. | Dallas, TX 75370 | Oil & Gas Operator | Apr 2025 |
| 23399 | Providence Energ | | Oil & Gas Operator | Jul 1988 |
| 23400 | Providence Energy Corporation | Broken Arrow, OK 74013-3783 | Oil & Gas Operator | Feb 1994 |