| 1 | F.I.G. Energy, LLC | Livingston, TX 77399 | Oil & Gas Operator | Mar 2025 |
| 2 | Faulconer Energy, LLC | Tyler, TX 75711 | Oil & Gas Operator | Mar 2025 |
| 3 | Faulconer Vernon E Inc | Tyler, TX 75711 | Oil & Gas Operator | Jan 2025 |
| 4 | Fenn, Bill Inc. | Giddings, TX 78942 | Oil & Gas Operator | Mar 2008 |
| 5 | Ffa Petroleum Services | Victoria, TX 77903 | Oil & Gas Operator | Sep 2001 |
| 6 | Ffa Petroleum Services, Inc. | Boerne, TX 78006 | Oil & Gas Operator | Feb 2018 |
| 7 | Field Petroleum Corp. | San Antonio, TX 78216 | Oil & Gas Operator | Mar 2025 |
| 8 | Fina Oil And Chemical Company | Dallas, TX 75221 | Oil & Gas Operator | May 2019 |
| 9 | Finger Oil & Gas, Inc. | Castroville, TX 78009 | Oil & Gas Operator | May 2021 |
| 10 | First Aransas Reserves, Inc. | Alvin, TX 77511 | Oil & Gas Operator | Mar 2018 |
| 11 | Fischer Operating Corporation | Victoria, TX 77902 | Oil & Gas Operator | Jan 1999 |
| 12 | Five-Jab, Inc. | Tomball, TX 77377 | Oil & Gas Operator | Mar 2025 |
| 13 | Flag Energy, LLC | Centerton, AR 72719 | Oil & Gas Operator | Nov 2018 |
| 14 | Formation Resources LLC | Fort Worth, TX 76185 | Oil & Gas Operator | Mar 2025 |
| 15 | Fort Apache Energy, Inc. | Boerne, TX 78015 | Oil & Gas Operator | Mar 2025 |
| 16 | Forza Operating, LLC | The Woodlands, TX 77380 | Oil & Gas Operator | Mar 2025 |
| 17 | Fowler Oil & Gas LLC | Fort Worth, TX 76109 | Oil & Gas Operator | Mar 2025 |
| 18 | Fox, Hewitt B., Inc. | Corpus Chrsti, TX 78411 | Oil & Gas Operator | Mar 2025 |
| 19 | Franklin, J.W. Oil Operator | | Oil & Gas Operator | Nov 2001 |
| 20 | Frazier Resources Company | Houston, TX 77057 | Gas Operator | May 2004 |
| 21 | Fredco | Louise, TX 77455 | Oil & Gas Operator | Mar 2025 |
| 22 | Freddy'S Well Service, Inc. | Victoria, TX 77902 | Oil & Gas Operator | Mar 2025 |
| 23 | Fredonia Resources Inc. | Longview, TX 75606 | Oil & Gas Operator | Aug 2003 |
| 24 | Frio Exploration Company | Pearland, TX 77588 | Oil & Gas Operator | Dec 2000 |
| 25 | Frostwood Energy, LLC | Houston, TX 77219 | Oil & Gas Operator | Mar 2025 |