| 1 | Fairway Resources Operating III LLC | Houston, TX 77002-2728 | Oil & Gas Operator | Jun 2025 |
| 2 | Faulconer Energy, LLC | Tyler, TX 75711 | Oil & Gas Operator | Oct 2025 |
| 3 | Faulconer Vernon E Inc | Tyler, TX 75711 | Oil & Gas Operator | Jul 2025 |
| 4 | Faulkner Corporation | Oklahoma City, OK 73154-9704 | Oil & Gas Operator | Jan 2017 |
| 5 | FBF Energy LLC | Tulsa, OK 74120 | Oil & Gas Operator | Jul 2025 |
| 6 | Femco SWD Inc | Enid, OK 73702-3907 | Oil Operator | Mar 2014 |
| 7 | Fitkin Petroleum Corporation | Oklahoma City, OK 73112 | Oil & Gas Operator | Jan 1994 |
| 8 | Flow Production Company | Midland, TX 79708 | Oil & Gas Operator | Mar 2005 |
| 9 | Focus Energy, Inc. | Oklahoma City, OK 73154 | Oil & Gas Operator | Nov 2019 |
| 10 | Foreman Enterprises, Inc. | Edmond, OK 73003 | Oil & Gas Operator | May 2025 |
| 11 | Foundation Energy Management, LLC | Addison, TX 75001 | Oil & Gas Operator | Oct 2025 |
| 12 | Four Seas Exploration LLC | Oklahoma City, OK 73101-1557 | Oil & Gas Operator | Dec 2019 |
| 13 | Four-O-One Corporation | Edmond, OK 73013-1977 | Oil & Gas Operator | Mar 2015 |
| 14 | FP Inc. | Oklahoma City, OK 73154 | Oil & Gas Operator | Dec 2008 |
| 15 | Franks Oil & Gas Inc | Cookson, OK 74427-0310 | Oil & Gas Operator | Oct 1998 |
| 16 | Fremont Energy Corporation | Oklahoma City, OK 73112 | Oil & Gas Operator | Dec 2004 |
| 17 | Fremont Exploration, Inc. | Oklahoma City, OK 73156 | Oil & Gas Operator | Nov 2014 |
| 18 | Frontier Operating Corporation | Albany, TX 76430 | Oil & Gas Operator | Oct 2025 |
| 19 | FX Energy Operating, LLC | Canadian, TX 79014 | Oil & Gas Operator | Oct 2025 |