| 1 | Pacesetter Energy, Inc. | Flower Mound, TX 75028 | Oil & Gas Operator | May 2008 |
| 2 | Pacesetter Energy, LLC | Flower Mound, TX 75028 | Oil & Gas Operator | Jul 2020 |
| 3 | Panhandle Oil & Gas Inc | Oklahoma City, OK 73112-5688 | Oil & Gas Operator | May 2007 |
| 4 | Panther Creek Resources, LLC | Denver, CO 80202 | Oil & Gas Operator | May 2012 |
| 5 | Parallel Petroleum Corporation | Midland, TX 79702 | Oil & Gas Operator | Jan 2010 |
| 6 | Parallel Petroleum LLC | Midland, TX 79702 | Oil & Gas Operator | Oct 2025 |
| 7 | Paraluxe Oil & Gas, LLC | Eunice, NM 88231 | Oil & Gas Operator | Oct 2025 |
| 8 | Parish, John R. | Andrews, TX 79714 | Oil & Gas Operator | Oct 2025 |
| 9 | Parker & Parsley Acq. Group LLC | Midland, TX 79702 | Oil & Gas Operator | Aug 2002 |
| 10 | Parker & Parsley Development Co. | Midland, TX 79702 | Oil & Gas Operator | May 1995 |
| 11 | Parker & Parsley Development L.P | Midland, TX 79702 | Oil & Gas Operator | Oct 2007 |
| 12 | Parker & Parsley Producing L.P. | Midland, TX 79702 | Oil & Gas Operator | Oct 1997 |
| 13 | Parsley Energy Operations, LLC | Irving, TX 75038 | Oil & Gas Operator | Jan 2021 |
| 14 | Patriot Production LLC | Southlake, TX 76092 | Oil & Gas Operator | Apr 2023 |
| 15 | Patriot Resources, Inc. | Midland, TX 79701 | Oil & Gas Operator | Oct 2017 |
| 16 | Patterson Petroleum LP | Snyder, TX 79550 | Oil & Gas Operator | Mar 2008 |
| 17 | Patterson Petroleum, Inc. | Snyder, TX 79550 | Oil & Gas Operator | Feb 2000 |
| 18 | PDC Energy | Denver, CO 80203 | Oil & Gas Operator | Nov 2012 |
| 19 | PDC-WV-Co Corporation | Denver, CO 80203 | Oil & Gas Operator | Aug 2010 |
| 20 | Pearce, Roy F., Jr. | Midland, TX 79702 | Oil & Gas Operator | Oct 2025 |
| 21 | Pearl, Bill H. Productions, Inc. | Corpus Chrsti, TX 78460 | Oil & Gas Operator | Oct 2025 |
| 22 | Pecos Operating Company, LLC | Midland, TX 79701 | Oil & Gas Operator | Jun 2021 |
| 23 | Pecos Operators, Inc. | Midland, TX 79702 | Oil & Gas Operator | Dec 1993 |
| 24 | Ped Oil Corporation | Midland, TX 79702 | Oil & Gas Operator | Oct 2025 |
| 25 | Pennant Dev. And Prod., LLC | Midland, TX 79702 | Oil Operator | Oct 2025 |
| 26 | Pennzenergy Exp. & Prod., L.L.C. | Houston, TX 77210 | Oil & Gas Operator | Mar 2000 |
| 27 | Pennzoil Exploration & Production Co. | Carthage, TX 75633 | Oil & Gas Operator | Mar 2008 |
| 28 | Pennzoil Petroleum Company | Houston, TX 77252 | Oil & Gas Operator | Nov 1999 |
| 29 | Penroc Oil Corp. | Hobbs, NM 88241 | Oil & Gas Operator | Jul 2025 |
| 30 | Penwell Energy, Inc. | Houston, TX 77057 | Oil & Gas Operator | Oct 2025 |
| 31 | Perdure Petroleum LLC | Allen, TX 75013 | Oil & Gas Operator | Oct 2021 |
| 32 | Perimeter Resource Company | Midland, TX 79702 | Oil & Gas Operator | Oct 2025 |
| 33 | Permian Resources Operating, LLC | Midland, TX 79701 | Oil & Gas Operator | Oct 2025 |
| 34 | Permian Resources, Inc. | Midland, TX 79702 | Oil & Gas Operator | Mar 2008 |
| 35 | Permian Services Co., LLC | Midland, TX 79702 | Oil & Gas Operator | Sep 2013 |
| 36 | Permian West Corp. | Odessa, TX 79762 | Oil & Gas Operator | Oct 2025 |
| 37 | Petex | Breckenridge, TX 76424 | Oil & Gas Operator | Oct 2025 |
| 38 | Petro-West Corporation | Lubbock, TX 79404 | Oil & Gas Operator | Oct 2001 |
| 39 | Petrohawk Operating Company | Houston, TX 77056 | Oil & Gas Operator | Oct 2021 |
| 40 | Petroleum Technical Services Co. | Midland, TX 79707 | Oil & Gas Operator | Dec 2004 |
| 41 | Petroplex Energy Inc. | Midland, TX 79702 | Oil & Gas Operator | Oct 2025 |
| 42 | Petroplex Equipment, Inc. | Midland, TX 79701 | Oil & Gas Operator | May 2019 |
| 43 | PG&E Resources Company | Houston, TX 77042 | Oil & Gas Operator | May 1995 |
| 44 | Pharaoh Oil & Gas, Inc. | MC Camey, TX 79752 | Oil & Gas Operator | Oct 2025 |
| 45 | Phillips Petroleum Company | Houston, TX 77251 | Oil & Gas Operator | Mar 2013 |
| 46 | Phoenix Hydrocarbons Operating | Midland, TX 79702 | Oil & Gas Operator | Jun 2024 |
| 47 | Phoenix Petrocorp, Inc. | McKinney, TX 75070 | Oil & Gas Operator | Jul 2025 |
| 48 | Piedra Operating, LLC | Denver, CO 80202 | Oil & Gas Operator | May 2023 |
| 49 | Pierce Production Company | Eunice, NM 88231 | Oil & Gas Operator | Oct 2012 |
| 50 | Pierce Production Company, LLC | Midland, TX 79702 | Oil & Gas Operator | Oct 2025 |
| 51 | Pierce, Ray A. | Eunice, NM 88231 | Oil & Gas Operator | Nov 2004 |
| 52 | Pinnacle Mining Corporation | Midland, TX 79708 | Oil & Gas Operator | Oct 2025 |
| 53 | Pioneer Exploration Company | Houston, TX 77090 | Oil & Gas Operator | Jul 2025 |
| 54 | Pioneer Exploration, LLC | Houston, TX 77090 | Oil & Gas Operator | Aug 2025 |
| 55 | Pioneer Exploration, LTD. | Houston, TX 77090 | Oil & Gas Operator | Sep 2008 |
| 56 | Pioneer Natural Res. (GPC), Inc. | Midland, TX 79702 | Oil & Gas Operator | Apr 1998 |
| 57 | Pioneer Natural Res. USA, Inc. | Spring, TX 77389 | Oil & Gas Operator | Oct 2025 |
| 58 | Pioneer Resources Producing, L.P | Irving, TX 75039 | Oil & Gas Operator | Feb 2001 |
| 59 | Pitco Investments, LTD. | Scottsdale, AZ 85261 | Oil & Gas Operator | Jan 2013 |
| 60 | Pitts Energy Co. | Midland, TX 79707 | Oil & Gas Operator | Oct 2025 |
| 61 | Plains Exploration & Prod. Co. | Houston, TX 77002 | Oil & Gas Operator | Jul 2013 |
| 62 | Plains Marketing, LP | Cushing, OK 74023 | Oil Operator | Jan 2012 |
| 63 | Platform Operating, LLC | Midland, TX 79702 | Oil & Gas Operator | Oct 2025 |
| 64 | Platinum Exploration Inc. | Midland, TX 79701 | Oil & Gas Operator | Oct 2025 |
| 65 | Pogo Panhandle 2004, L.P. | Houston, TX 77002 | Oil & Gas Operator | Oct 2017 |
| 66 | Pogo Producing Company | Houston, TX 77002 | Oil & Gas Operator | Jan 2008 |
| 67 | Pogo Producing Company LLC | Houston, TX 77002 | Oil & Gas Operator | Jul 2025 |
| 68 | Polaris Production Corp. | Midland, TX 79702 | Oil & Gas Operator | Jan 2024 |
| 69 | Prasad, Hari Production Co. | Midland, TX 79701 | Oil & Gas Operator | Oct 2025 |
| 70 | Premier Natural Resources, L.P. | Tulsa, OK 74105 | Oil & Gas Operator | Feb 2007 |
| 71 | Premier Natural Resources, LLC | Tulsa, OK 74136 | Oil & Gas Operator | Oct 2025 |
| 72 | Presidio Exploration, Inc. | Englewood, CO 80155 | Oil & Gas Operator | May 1999 |
| 73 | Preston Exploration LLC | Spring, TX 77387 | Oil & Gas Operator | Dec 2014 |
| 74 | Pride Energy Company | Tulsa, OK 74170 | Oil & Gas Operator | Oct 2025 |
| 75 | Primal Energy Corporation | The Woodlands, TX 77380 | Oil & Gas Operator | Oct 2025 |
| 76 | Prime Operating Company | Houston, TX 77024 | Oil & Gas Operator | Oct 2025 |
| 77 | Primero Operating, Inc. | Roswell, NM 88202 | Oil & Gas Operator | Jun 2022 |
| 78 | Primexx Operating Corporation | Dallas, TX 75206 | Oil & Gas Operator | Mar 2024 |
| 79 | Pringle Operating Co. | Tulsa, OK 74103 | Oil & Gas Operator | Aug 2015 |
| 80 | Prize Operating Company | Grapevine, TX 76051 | Oil & Gas Operator | Aug 2016 |
| 81 | Pro- Gas, Inc. | Midland, TX 79711 | Oil & Gas Operator | Oct 2025 |
| 82 | Pronghorn Management Corporation | Hobbs, NM 88241 | Oil & Gas Operator | Oct 2025 |
| 83 | Prospctv Invstmnt & TRDG Co, LTD | Tulsa, OK 74170 | Oil & Gas Operator | May 2001 |
| 84 | Pure Resources, L.P. | Midland, TX 79701 | Oil & Gas Operator | Mar 2006 |