| 1 | Pace Oil And Gas Company | Austin, TX 78715 | Oil & Gas Operator | Mar 2025 |
| 2 | Pantano Energy | San Antonio, TX 78258 | Oil & Gas Operator | Jul 1999 |
| 3 | Paradis Investments, L.L.C. | Bellaire, TX 77401 | Oil Operator | Jun 2020 |
| 4 | Pennington Refining LLC | Grand Prairie, TX 75051 | Oil Operator | Mar 2025 |
| 5 | Penrod Oil Company Of Texas, Inc | Milano, TX 76556 | Oil & Gas Operator | Mar 2025 |
| 6 | Perlman,I.H.Oil & Gas Properties | Houston, TX 77056 | Oil & Gas Operator | Mar 2008 |
| 7 | Petroleum Capital, L.C. | Dallas, TX 75367 | Oil & Gas Operator | Mar 2025 |
| 8 | Petroleum Inc | Wichita, KS 67202 | Oil & Gas Operator | Oct 2021 |
| 9 | Petroleum Recovery Systems, L.C. | Houston, TX 77024 | Oil Operator | Mar 2025 |
| 10 | Petrosaurus, Inc. | Somerset, TX 78069 | Oil Operator | Mar 2025 |
| 11 | Pickett Oil Co. | Gonzales, TX 78629 | Oil & Gas Operator | Oct 2019 |
| 12 | Pitchfork Oil & Gas, Inc. | Orchard, TX 77464 | Oil & Gas Operator | Mar 2025 |
| 13 | Pre Oil Company | Seguin, TX 78155 | Oil & Gas Operator | Aug 1993 |
| 14 | Priority Oil Company LLC | Luling, TX 78648 | Oil Operator | Mar 2025 |
| 15 | Proex Energy Management, L.L.C. | Spring, TX 77386 | Oil & Gas Operator | Mar 2025 |
| 16 | Proline Energy Resources Inc | Sugar Land, TX 77479 | Oil & Gas Operator | Mar 2025 |
| 17 | Pronto Services | San Antonio, TX 78209 | Oil & Gas Operator | Mar 2025 |