| 1 | F & M Oil Company Inc | Pettus, TX 78146 | Oil & Gas Operator | Oct 2025 |
| 2 | F&H Operating Company LLC | Wichita Falls, TX 76308 | Oil & Gas Operator | Oct 2025 |
| 3 | F. H. B. Company | Holliday, TX 76366 | Oil & Gas Operator | Oct 2025 |
| 4 | Fagadau Energy Corporation | Dallas, TX 75206 | Oil & Gas Operator | Apr 2006 |
| 5 | Fair Oil Company | Tyler, TX 75710 | Oil & Gas Operator | Dec 2000 |
| 6 | Fair Oil, LC | Tyler, TX 75710 | Oil & Gas Operator | Oct 2001 |
| 7 | Fair Oil, LTD. | Tyler, TX 75710 | Oil & Gas Operator | Oct 2025 |
| 8 | Falls Operating Company | Wichita Falls, TX 76301 | Oil & Gas Operator | Oct 2025 |
| 9 | Farmer Operating, LLC | Olney, TX 76374 | Oil & Gas Operator | Dec 2019 |
| 10 | Farmer, Hayden | Olney, TX 76374 | Oil & Gas Operator | Feb 1997 |
| 11 | Farmer, Lewis & Hayden | Olney, TX 76374 | Oil & Gas Operator | Oct 2008 |
| 12 | Farrex, Inc. | Vernon, TX 76384 | Oil & Gas Operator | Oct 2008 |
| 13 | Felderhoff Production Company | Muenster, TX 76252 | Oil & Gas Operator | Oct 2025 |
| 14 | Felty Drilling Co. Inc | Burkburnett, TX 76354 | Oil & Gas Operator | Oct 2025 |
| 15 | Fidelity Petroleum Corporation | Plano, TX 75074 | Oil & Gas Operator | Oct 2025 |
| 16 | Fin Energy, LLC | Wichita Falls, TX 76308 | Oil Operator | Oct 2025 |
| 17 | Fina Oil And Chemical Company | Dallas, TX 75221 | Oil & Gas Operator | May 2019 |
| 18 | Finnell Oil Co. | Wichita Falls, TX 76308 | Oil & Gas Operator | Sep 2009 |
| 19 | Finnell Oil Services, Inc. | Wichita Falls, TX 76308 | Oil & Gas Operator | Oct 2025 |
| 20 | Five States Energy Company | Dallas, TX 75206 | Oil & Gas Operator | Mar 2008 |
| 21 | Five States Operating Company | Dallas, TX 75206 | Oil & Gas Operator | Feb 2008 |
| 22 | Flint Rock Resources MGMNT, Inc. | Austin, TX 78734 | Oil & Gas Operator | Oct 2025 |
| 23 | Four H Oil Properties | Graham, TX 76450 | Oil & Gas Operator | Oct 2025 |
| 24 | Fremont Exploration, Inc. | Oklahoma City, OK 73156 | Oil & Gas Operator | Nov 2014 |
| 25 | Fresno Oil Company | Iowa Park, TX 76367 | Oil & Gas Operator | Oct 2025 |
| 26 | Fullspike Energy LLC | Boyd, TX 76023 | Oil & Gas Operator | Oct 2025 |