| 1 | Fabco | Big Lake, TX 76932 | Oil & Gas Operator | Feb 2026 |
| 2 | Fasken Oil And Ranch, LTD. | Midland, TX 79707 | Oil & Gas Operator | Feb 2026 |
| 3 | FDL Operating, LLC | Judson, TX 75660 | Oil & Gas Operator | Feb 2026 |
| 4 | Felderhoff Production Company | Muenster, TX 76252 | Oil & Gas Operator | Feb 2026 |
| 5 | Fields Oil & Gas Company, LLC | Dallas, TX 75230 | Oil & Gas Operator | Feb 2026 |
| 6 | Fields, Bert, Jr. | Dallas, TX 75230 | Oil & Gas Operator | Apr 2015 |
| 7 | Fiml Natural Resources, LLC | Denver, CO 80202 | Oil & Gas Operator | Aug 2014 |
| 8 | Fina Oil And Chemical Company | Dallas, TX 75221 | Oil & Gas Operator | May 2019 |
| 9 | Finley Resources Inc | Fort Worth, TX 76113 | Oil & Gas Operator | Feb 2026 |
| 10 | Fisher Oil Co. | Big Lake, TX 76932 | Oil & Gas Operator | Feb 2026 |
| 11 | Fivestones Energy LLC | Midland, TX 79710 | Oil & Gas Operator | Feb 2026 |
| 12 | Flat Top Operating, LLC | Midland, TX 79707 | Oil & Gas Operator | Feb 2026 |
| 13 | Flint Oak Energy, LLC | Montgomery, TX 77356 | Oil & Gas Operator | Feb 2026 |
| 14 | Floyd, Timber Inc. | Midland, TX 79702 | Oil & Gas Operator | Feb 2026 |
| 15 | Fort Worth Production Co. | Fort Worth, TX 76116 | Oil & Gas Operator | Oct 1996 |
| 16 | Fortson Oil Company | Fort Worth, TX 76102 | Oil & Gas Operator | Jun 2020 |
| 17 | Fossil Petroleum LLC | San Angelo, TX 76906 | Oil & Gas Operator | Feb 2026 |
| 18 | Free Rein Operating LLC | Brenham, TX 77834 | Oil & Gas Operator | Feb 2026 |
| 19 | Friemel, Paul D. & Assoc., Inc. | Boerne, TX 78006 | Oil & Gas Operator | Mar 2007 |