| 1 | Fagadau Energy Corporation | Dallas, TX 75206 | Oil & Gas Operator | Apr 2006 |
| 2 | Fairview Production Company | Muldrow, OK 74948 | Oil & Gas Operator | Nov 2012 |
| 3 | Falcon Creek Resources, Inc. | Tulsa, OK 74137 | Oil & Gas Operator | Apr 2001 |
| 4 | Falcon Resources, Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Jul 2021 |
| 5 | Fasken Oil And Ranch, LTD. | Midland, TX 79707 | Oil & Gas Operator | Apr 2024 |
| 6 | Feagan Energy, Inc. | Midland, TX 79710 | Oil & Gas Operator | Apr 2024 |
| 7 | Federal Energy Development Co. | Dallas, TX 75205 | Oil & Gas Operator | Mar 2011 |
| 8 | Federal Oil, Inc. | Big Spring, TX 79721 | Oil & Gas Operator | Apr 2024 |
| 9 | Fisher, Jack Inc. | Abilene, TX 79603 | Oil & Gas Operator | Sep 2001 |
| 10 | Flying W Resources, LLC | Midland, TX 79710 | Oil & Gas Operator | Apr 2024 |
| 11 | Forcenergy Gas Exploration Inc. | Miami, FL 33129 | Oil & Gas Operator | Aug 1996 |
| 12 | Forcenergy Inc | Miami, FL 33129 | Oil & Gas Operator | Mar 2015 |
| 13 | Forest Oil Corporation | Houston, TX 77002 | Oil & Gas Operator | Mar 2015 |
| 14 | Fortson Oil Company | Fort Worth, TX 76102 | Oil & Gas Operator | Jun 2020 |
| 15 | Fossil Fuels Inc. | Dallas, TX 75201 | Oil & Gas Operator | May 2000 |
| 16 | Fossil Operating, Inc. | Dallas, TX 75238 | Oil & Gas Operator | Apr 2024 |
| 17 | Foundation Energy Management, LLC | Addison, TX 75001 | Oil & Gas Operator | Apr 2024 |
| 18 | Four Star Oil & Gas Company | Houston, TX 77252 | Oil & Gas Operator | Dec 2023 |