| 1 | Farmers Energy Corporation | Tulsa, OK 74103-3525 | Oil & Gas Operator | Nov 2021 |
| 2 | Faro Operating Company Anadarko LLC | Littleton, CO 80120 | Oil & Gas Operator | Nov 2025 |
| 3 | Faulconer Energy, LLC | Tyler, TX 75711 | Oil & Gas Operator | Feb 2026 |
| 4 | Faulconer, Vernon E., Inc. | Tyler, TX 75711 | Oil & Gas Operator | Dec 2025 |
| 5 | Faulkner Corporation | Oklahoma City, OK 73154-9704 | Oil & Gas Operator | Jan 2017 |
| 6 | Felix Energy LLC | Denver, CO 80202-1467 | Oil & Gas Operator | Nov 2025 |
| 7 | Femco SWD Inc | Enid, OK 73702-3907 | Oil Operator | Mar 2014 |
| 8 | Fisher Ellis R | Bristow, OK 74010-8515 | Oil & Gas Operator | Dec 2015 |
| 9 | Flatlander Energy LLC | Blackwell, OK 74631 | Oil & Gas Operator | Nov 2025 |
| 10 | Fleetwood K Phil Oil Properties | Marlow, OK 73055 | Oil & Gas Operator | Nov 2025 |
| 11 | Flow Production Company | Midland, TX 79708 | Oil & Gas Operator | Mar 2005 |
| 12 | Focus Energy, Inc. | Oklahoma City, OK 73154 | Oil & Gas Operator | Nov 2019 |
| 13 | Forcenergy Inc | Miami, FL 33129 | Oil & Gas Operator | Mar 2015 |
| 14 | Foreman Enterprises Inc | Edmond, OK 73003 | Oil & Gas Operator | Oct 2025 |
| 15 | Forte Energy Corpration | Houston, TX 77024-1209 | Oil & Gas Operator | Jan 1995 |
| 16 | Fossil Creek Energy Corporation | Oklahoma City, OK 73112 | Oil & Gas Operator | Feb 2026 |
| 17 | Four Seas Exploration LLC | Oklahoma City, OK 73101-1557 | Oil & Gas Operator | Dec 2019 |
| 18 | Four-O-One Corporation | Edmond, OK 73013-1977 | Oil & Gas Operator | Mar 2015 |
| 19 | FP Inc. | Oklahoma City, OK 73154 | Oil & Gas Operator | Dec 2008 |
| 20 | Fremont Exploration, Inc. | Oklahoma City, OK 73156 | Oil & Gas Operator | Nov 2014 |
| 21 | Frontier Operating Corporation | Albany, TX 76430 | Oil & Gas Operator | Feb 2026 |
| 22 | Fuksa Investments Inc | Hennessey, OK 73742 | Oil & Gas Operator | Dec 2025 |
| 23 | FW Midcon I, LLC | Oklahoma City, OK 73102 | Oil & Gas Operator | Nov 2025 |