| 1 | Fairchild Well Service Inc | Ponca City, OK 74602-0470 | Oil & Gas Operator | Jun 2006 |
| 2 | Fitzsimmons Randall W & Deborah S | Bartelsville, OK 74006 | Oil & Gas Operator | Jun 2025 |
| 3 | Flag-Redfern Oil Company | Oklahoma City, OK 73125 | Oil & Gas Operator | Jul 2002 |
| 4 | Foreman Enterprises, Inc. | Edmond, OK 73003 | Oil & Gas Operator | May 2025 |
| 5 | Forest 1 Development Company | Denver, CO 80202-4966 | Oil & Gas Operator | Mar 2008 |
| 6 | Fossil Creek Energy Corporation | Oklahoma City, OK 73112 | Oil & Gas Operator | Oct 2025 |
| 7 | Four-O-One Corporation | Edmond, OK 73013-1977 | Oil & Gas Operator | Mar 2015 |
| 8 | Fpco Oil & Gas Co. | New Orleans, LA 70160 | Oil & Gas Operator | Jun 2025 |
| 9 | Fremont Energy Corporation | Oklahoma City, OK 73112 | Oil & Gas Operator | Dec 2004 |
| 10 | Fremont Exploration, Inc. | Oklahoma City, OK 73156 | Oil & Gas Operator | Nov 2014 |
| 11 | Fugazzi Daniel B | Enid, OK 73703 | Gas Operator | Jun 2025 |
| 12 | Fuksa Investments Inc | Hennessey, OK 73742 | Oil & Gas Operator | Jul 2025 |
| 13 | Fulcrum Exploration, LLC. | Flower Mound, TX 75028 | Oil & Gas Operator | Jun 2025 |