| 1 | Apollo Exploration And Development Inc | | Oil & Gas Operator | Jun 2025 |
| 2 | Arbor Operating LLC | | Oil & Gas Operator | Mar 2024 |
| 3 | Belco Energy Corp. | Dallas, TX 75231 | Oil & Gas Operator | Mar 2015 |
| 4 | Breitburn Operating Limited Partnership | | Oil & Gas Operator | Aug 2022 |
| 5 | Century Oil Company Inc | | Oil Operator | Dec 2024 |
| 6 | Collin C W Jr | | Oil Operator | Oct 2015 |
| 7 | Collin Oil Operations LLC | | Oil Operator | May 2025 |
| 8 | Cronus Exploration Co LLC | | Oil & Gas Operator | Jul 2025 |
| 9 | Dynamic Development Inc | | Oil & Gas Operator | Aug 2025 |
| 10 | Fairway Petroleum, Inc. | Stafford, TX 77497 | Oil & Gas Operator | Nov 2001 |
| 11 | Federated Oil And Gas Properties Inc | | Oil & Gas Operator | Jul 2025 |
| 12 | Jennings Petroleum And Enveron Corp | | Oil & Gas Operator | Mar 2017 |
| 13 | Lease Management Inc | | Oil & Gas Operator | Jul 2025 |
| 14 | Long Jack Senior | | Oil Operator | Jan 2004 |
| 15 | Miller Energy Company II LLC | | Oil & Gas Operator | Aug 2025 |
| 16 | Miracle Petroleum LLC | | Oil & Gas Operator | Oct 2018 |
| 17 | Okemah Production Inc | | Oil Operator | Dec 2005 |
| 18 | Pasadena Oil And Gas Corp | | Oil & Gas Operator | Dec 2001 |
| 19 | Quicksilver Resources Inc | Fort Worth, TX 76102 | Oil & Gas Operator | Mar 2018 |
| 20 | Tallman Industries Inc | | Oil Operator | Jul 2025 |
| 21 | Tolas Oil And Gas Exploration Co | | Oil Operator | Jul 2025 |
| 22 | Union Oil Co Of California | Midland, TX 79706 | Oil & Gas Operator | Jan 2022 |
| 23 | W B Osborn Oil And Gas Operations LTD | | Oil Operator | Jun 2025 |
| 24 | West Side Exploration, LLC | | Oil & Gas Operator | Jul 2025 |
| 25 | Wiser Oil Co | Denver, CO 80202 | Oil & Gas Operator | Dec 2023 |