| 1 | Fagadau Energy Corporation | Dallas, TX 75206 | Oil & Gas Operator | Apr 2006 |
| 2 | Falcon Creek Resources, Inc. | Tulsa, OK 74137 | Oil & Gas Operator | Apr 2001 |
| 3 | Fasken Oil And Ranch, LTD. | Midland, TX 79707 | Oil & Gas Operator | Nov 2025 |
| 4 | FDL Operating, LLC | Judson, TX 75660 | Oil & Gas Operator | Nov 2025 |
| 5 | Feagan Energy, Inc. | Midland, TX 79710 | Oil & Gas Operator | Nov 2025 |
| 6 | Felix Energy Holdings II, LLC | Tulsa, OK 74172 | Oil & Gas Operator | Apr 2020 |
| 7 | Fina Oil And Chemical Company | Dallas, TX 75221 | Oil & Gas Operator | May 2019 |
| 8 | Finley Resources Inc | Fort Worth, TX 76113 | Oil & Gas Operator | Nov 2025 |
| 9 | First Permian, L.L.C. | Midland, TX 79702 | Oil & Gas Operator | Mar 2008 |
| 10 | Fisher Oil Co. | Big Lake, TX 76932 | Oil & Gas Operator | Nov 2025 |
| 11 | Five States Operating Company | Dallas, TX 75206 | Oil & Gas Operator | Feb 2008 |
| 12 | Fivestones Energy LLC | Midland, TX 79710 | Oil & Gas Operator | Nov 2025 |
| 13 | Flint Oak Energy, LLC | Montgomery, TX 77356 | Oil & Gas Operator | Nov 2025 |
| 14 | Flo Petro, LLC. | Austin, TX 78746 | Oil Operator | Nov 2025 |
| 15 | Floyd Oil Company | Houston, TX 77002 | Oil & Gas Operator | Nov 1999 |
| 16 | Flux Energy LLC | Spring, TX 77379 | Oil & Gas Operator | Nov 2025 |
| 17 | Forest Oil Corporation | Houston, TX 77002 | Oil & Gas Operator | Mar 2015 |
| 18 | Forge Energy Operating, LLC | San Antonio, TX 78209 | Oil & Gas Operator | Jun 2023 |
| 19 | Forge Energy, LLC | San Antonio, TX 78249 | Oil & Gas Operator | Apr 2019 |
| 20 | Fortson Oil Company | Fort Worth, TX 76102 | Oil & Gas Operator | Jun 2020 |
| 21 | Fortune Resources LLC | Longview, TX 75604 | Oil & Gas Operator | Nov 2025 |
| 22 | Fossil Petroleum LLC | San Angelo, TX 76906 | Oil & Gas Operator | Nov 2025 |
| 23 | Foundation Energy Management, LLC | Addison, TX 75001 | Oil & Gas Operator | Nov 2025 |
| 24 | Founders Oil & Gas Operating,LLC | Arlington, TX 76011 | Oil & Gas Operator | Jul 2023 |
| 25 | Four Corners Petroleum II, LLC | Denver, CO 80215 | Oil & Gas Operator | Feb 2023 |
| 26 | Freedom Energy Inc | Horseshoe Bay, TX 78657 | Oil & Gas Operator | Nov 2025 |
| 27 | Freedom Energy, Inc. (I) | Horseshoe Bay, TX 78657 | Oil & Gas Operator | Jun 2003 |
| 28 | Freedom Energy, LTD. | Horseshoe Bay, TX 78657 | Oil & Gas Operator | Jun 2011 |
| 29 | Friemel & Carpenter, Inc. | Midland, TX 79702 | Oil & Gas Operator | Feb 2002 |
| 30 | Fuller Petroleum Inc | Midland, TX 79702 | Oil & Gas Operator | Mar 2008 |
| 31 | Fuller Production, Inc. | Midland, TX 79702 | Oil & Gas Operator | Nov 2025 |