| 1 | F & M Oil & Gas Co | Midland, TX 79702 | Oil & Gas Operator | Feb 2000 |
| 2 | Fagadau Energy Corporation | Dallas, TX 75206 | Oil & Gas Operator | Apr 2006 |
| 3 | Fair Operating, Inc. | Boerne, TX 78015 | Oil & Gas Operator | Dec 2024 |
| 4 | Famcor Oil, Inc. | Scottsdale, AZ 85260 | Oil & Gas Operator | Sep 2020 |
| 5 | Farmers Of Tulsa Energy Corp. | Tulsa, OK 74103 | Oil & Gas Operator | Sep 1997 |
| 6 | Fasken Oil And Ranch, LTD. | Midland, TX 79707 | Oil & Gas Operator | Dec 2024 |
| 7 | Fasken, Barbara | Midland, TX 79701 | Oil & Gas Operator | Dec 1995 |
| 8 | FDL Operating, LLC | Judson, TX 75660 | Oil & Gas Operator | Dec 2024 |
| 9 | Feagan Energy, Inc. | Midland, TX 79710 | Oil & Gas Operator | Dec 2024 |
| 10 | Fed Operating LLC | Midland, TX 79701 | Oil & Gas Operator | Dec 2024 |
| 11 | Federal Oil, Inc. | Big Spring, TX 79721 | Oil & Gas Operator | Dec 2024 |
| 12 | Fina Oil And Chemical Company | Dallas, TX 75221 | Oil & Gas Operator | May 2019 |
| 13 | Finaly Resources LLC | Sunset Beach, CA 90742 | Oil & Gas Operator | Dec 2024 |
| 14 | Finley Resources Inc | Fort Worth, TX 76113 | Oil & Gas Operator | Dec 2024 |
| 15 | First Reserve Oil & Gas Co | Houston, TX 77002 | Oil & Gas Operator | Apr 2000 |
| 16 | Flat Top Operating, LLC | Midland, TX 79707 | Oil & Gas Operator | Dec 2024 |
| 17 | Forest Oil Corporation | Houston, TX 77002 | Oil & Gas Operator | Mar 2015 |
| 18 | Forest Oil Permian Corporation | Houston, TX 77002 | Oil & Gas Operator | Mar 2015 |
| 19 | Forsan Oil Company | Forsan, TX 79733 | Oil & Gas Operator | Jul 2008 |
| 20 | Fortson Oil Company | Fort Worth, TX 76102 | Oil & Gas Operator | Jun 2020 |
| 21 | Fortune Natural Resources Corp. | Houston, TX 77067 | Oil & Gas Operator | Dec 2003 |
| 22 | Fortune Production Co. | San Angelo, TX 76906 | Oil & Gas Operator | Dec 2008 |
| 23 | Foundation Energy Management, LLC | Addison, TX 75001 | Oil & Gas Operator | Dec 2024 |
| 24 | Free Rein Operating LLC | Brenham, TX 77834 | Oil & Gas Operator | Dec 2024 |
| 25 | Fuller Production, Inc. | Midland, TX 79702 | Oil & Gas Operator | Dec 2024 |