| 1 | P.O.&G. Operating, LLC | Houston, TX 77057 | Oil & Gas Operator | Sep 2025 |
| 2 | Pa Prospect LLC | Columbus, MT 59019 | Oil & Gas Operator | Jul 2020 |
| 3 | Pablo Energy, Inc. | Pampa, TX 79065 | Oil & Gas Operator | Dec 2005 |
| 4 | Page Exploration | Midland, TX 79701 | Oil & Gas Operator | Apr 2007 |
| 5 | Panhandle Oil & Gas Inc | Oklahoma City, OK 73112-5688 | Oil & Gas Operator | May 2007 |
| 6 | Panther Exploration, LLC | Tulsa, OK 74136 | Oil & Gas Operator | Feb 2017 |
| 7 | Parker & Parsley Development L.P | Midland, TX 79702 | Oil & Gas Operator | Oct 2007 |
| 8 | Parker & Parsley Producing L.P. | Midland, TX 79702 | Oil & Gas Operator | Oct 1997 |
| 9 | Parsley Energy Operations, LLC | Irving, TX 75038 | Oil & Gas Operator | Jan 2021 |
| 10 | Passmore, Mike F. | Monahans, TX 79756 | Oil & Gas Operator | Sep 2025 |
| 11 | Patriot Production LLC | Southlake, TX 76092 | Oil & Gas Operator | Apr 2023 |
| 12 | Patriot Resources, Inc. | Midland, TX 79701 | Oil & Gas Operator | Oct 2017 |
| 13 | Patterson Petroleum LLC | Snyder, TX 79550 | Oil & Gas Operator | Oct 2007 |
| 14 | Patterson Petroleum LP | Snyder, TX 79550 | Oil & Gas Operator | Mar 2008 |
| 15 | Patterson Petroleum, Inc. | Snyder, TX 79550 | Oil & Gas Operator | Feb 2000 |
| 16 | Pbex-MCM Operating, LLC | Midland, TX 79701 | Oil & Gas Operator | Sep 2025 |
| 17 | Pdeh LLC | Midland, TX 79701 | Oil & Gas Operator | Sep 2025 |
| 18 | Pearce Trust And Blair | Midland, TX 79702 | Oil & Gas Operator | Mar 2008 |
| 19 | Pearl, Bill H. Productions, Inc. | Corpus Chrsti, TX 78460 | Oil & Gas Operator | Sep 2025 |
| 20 | Pecos Operators, Inc. | Midland, TX 79702 | Oil & Gas Operator | Dec 1993 |
| 21 | Pennant Dev. And Prod., LLC | Midland, TX 79702 | Oil Operator | Sep 2025 |
| 22 | Pennzoil Exploration & Production Co. | Carthage, TX 75633 | Oil & Gas Operator | Mar 2008 |
| 23 | Pennzoil Petroleum Company | Houston, TX 77252 | Oil & Gas Operator | Nov 1999 |
| 24 | Penwell Energy, Inc. | Houston, TX 77057 | Oil & Gas Operator | Sep 2025 |
| 25 | Percussion Petroleum Oper II,LLC | Houston, TX 77042 | Oil & Gas Operator | Jul 2023 |
| 26 | Perimeter Resource Company | Midland, TX 79702 | Oil & Gas Operator | Sep 2025 |
| 27 | Permian Resources Operating, LLC | Midland, TX 79701 | Oil & Gas Operator | Sep 2025 |
| 28 | Permian Resources, Inc. | Midland, TX 79702 | Oil & Gas Operator | Mar 2008 |
| 29 | Permian West Corp. | Odessa, TX 79762 | Oil & Gas Operator | Sep 2025 |
| 30 | Petra Oleum Corp. | Midland, TX 79702 | Oil & Gas Operator | Sep 2025 |
| 31 | Petro-Hunt Corporation | Dallas, TX 75201 | Oil & Gas Operator | Jun 2003 |
| 32 | Petro-Hunt Permian, LLC | Dallas, TX 75201 | Oil & Gas Operator | Sep 2025 |
| 33 | Petro-Hunt, L.L.C. | Dallas, TX 75201 | Oil & Gas Operator | Sep 2025 |
| 34 | Petrohawk Operating Company | Houston, TX 77056 | Oil & Gas Operator | Oct 2021 |
| 35 | Petroleum Technical Services Co. | Midland, TX 79707 | Oil & Gas Operator | Dec 2004 |
| 36 | Petroplex Energy Inc. | Midland, TX 79702 | Oil & Gas Operator | Sep 2025 |
| 37 | Petroplex Equipment, Inc. | Midland, TX 79701 | Oil & Gas Operator | May 2019 |
| 38 | Petx Operating LLC | Midland, TX 79702 | Oil & Gas Operator | Sep 2025 |
| 39 | Pharaoh Oil & Gas, Inc. | MC Camey, TX 79752 | Oil & Gas Operator | Sep 2025 |
| 40 | Phillips Petroleum Company | Houston, TX 77251 | Oil & Gas Operator | Mar 2013 |
| 41 | Piedra Operating, LLC | Denver, CO 80202 | Oil & Gas Operator | May 2023 |
| 42 | Pioneer Natural Res. USA, Inc. | Spring, TX 77389 | Oil & Gas Operator | Sep 2025 |
| 43 | Pittencrieff America, Inc. | Abilene, TX 79608 | Oil & Gas Operator | Feb 2003 |
| 44 | Pitts Energy Co. | Midland, TX 79707 | Oil & Gas Operator | Sep 2025 |
| 45 | Plains Marketing, LP | Cushing, OK 74023 | Oil Operator | Jan 2012 |
| 46 | Plateau Energy, LLC | Smyer, TX 79367 | Oil & Gas Operator | Dec 2023 |
| 47 | Platinum Exploration Inc. | Midland, TX 79701 | Oil & Gas Operator | Sep 2025 |
| 48 | Pogo Producing Company | Houston, TX 77002 | Oil & Gas Operator | Jan 2008 |
| 49 | Pogo Producing Company LLC | Houston, TX 77002 | Oil & Gas Operator | Jun 2025 |
| 50 | Point Energy Partners Petro, LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Sep 2025 |
| 51 | Porosity Oil LLC | Imperial, TX 79743 | Oil Operator | Sep 2025 |
| 52 | PPC Operating Company LLC | Houston, TX 77279 | Oil & Gas Operator | Jul 2019 |
| 53 | Prasad, Hari Production Co. | Midland, TX 79701 | Oil & Gas Operator | Sep 2025 |
| 54 | Prize Operating Company | Grapevine, TX 76051 | Oil & Gas Operator | Aug 2016 |
| 55 | Pronghorn Management Corporation | Hobbs, NM 88241 | Oil & Gas Operator | Sep 2025 |
| 56 | Pure Resources, L.P. | Midland, TX 79701 | Oil & Gas Operator | Mar 2006 |
| 57 | Purvis Operating Co. | Midland, TX 79710 | Oil & Gas Operator | Sep 2025 |
| 58 | Pyote Disposal Company | Pyote, TX 79777 | Oil Operator | Sep 2025 |