| 1 | F C D Oil Corporation | Oklahoma City, OK 73112 | Oil & Gas Operator | Feb 1995 |
| 2 | Fairway Resources Operating III LLC | Houston, TX 77002-2728 | Oil & Gas Operator | Oct 2025 |
| 3 | Farmers Energy Corporation | Tulsa, OK 74103-3525 | Oil & Gas Operator | Nov 2021 |
| 4 | Faulconer Energy, LLC | Tyler, TX 75711 | Oil & Gas Operator | Dec 2025 |
| 5 | Faulconer, Vernon E., Inc. | Tyler, TX 75711 | Oil & Gas Operator | Oct 2025 |
| 6 | Faulkner Corporation | Oklahoma City, OK 73154-9704 | Oil & Gas Operator | Jan 2017 |
| 7 | FBF Energy LLC | Tulsa, OK 74120 | Oil & Gas Operator | Oct 2025 |
| 8 | Femco SWD Inc | Enid, OK 73702-3907 | Oil Operator | Mar 2014 |
| 9 | Five Star Energy, Inc. | Seguin, TX 78155 | Oil & Gas Operator | Jul 2025 |
| 10 | Focus Energy, Inc. | Oklahoma City, OK 73154 | Oil & Gas Operator | Nov 2019 |
| 11 | Foreman Enterprises Inc | Edmond, OK 73003 | Oil & Gas Operator | Sep 2025 |
| 12 | Fossil Creek Energy Corporation | Oklahoma City, OK 73112 | Oil & Gas Operator | Dec 2025 |
| 13 | Foster Oilfield Service | Canton, OK 73724 | Oil & Gas Operator | Oct 2025 |
| 14 | Four Seas Exploration LLC | Oklahoma City, OK 73101-1557 | Oil & Gas Operator | Dec 2019 |
| 15 | FP Inc. | Oklahoma City, OK 73154 | Oil & Gas Operator | Dec 2008 |
| 16 | Fpco Oil & Gas Co. | New Orleans, LA 70160 | Oil & Gas Operator | Jun 2025 |
| 17 | Franks Oil & Gas Inc | Cookson, OK 74427-0310 | Oil & Gas Operator | Oct 1998 |
| 18 | Freeport-McMoran Inc | New Orleans, LA 70160 | Oil & Gas Operator | Apr 1997 |
| 19 | Fremont Exploration, Inc. | Oklahoma City, OK 73156 | Oil & Gas Operator | Nov 2014 |
| 20 | French Jr L R | Midland, TX 79702 | Oil & Gas Operator | Oct 2025 |
| 21 | Frontier Operating Corporation | Albany, TX 76430 | Oil & Gas Operator | Dec 2025 |
| 22 | Fuksa Investments Inc | Hennessey, OK 73742 | Oil & Gas Operator | Oct 2025 |
| 23 | Fuller Petroleum Inc | Midland, TX 79702 | Oil & Gas Operator | Mar 2008 |
| 24 | Fuller Production, Inc. | Midland, TX 79702 | Oil & Gas Operator | Dec 2025 |
| 25 | Fullspike Energy LLC | Boyd, TX 76023 | Oil & Gas Operator | Dec 2025 |