| 1 | F P C Disposal Inc | El Reno, OK 73036-5501 | Oil Operator | Apr 2003 |
| 2 | Far West Development, LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | Oct 2025 |
| 3 | Faulconer Energy, LLC | Tyler, TX 75711 | Oil & Gas Operator | Oct 2025 |
| 4 | Faulconer Vernon E Inc | Tyler, TX 75711 | Oil & Gas Operator | Jul 2025 |
| 5 | FBF Energy LLC | Tulsa, OK 74120 | Oil & Gas Operator | Jul 2025 |
| 6 | Felix Energy LLC | Denver, CO 80202-1467 | Oil & Gas Operator | Jun 2025 |
| 7 | Femco Services Inc | Lindsay, OK 73052-0632 | Oil & Gas Operator | Nov 2006 |
| 8 | Femco SWD Inc | Enid, OK 73702-3907 | Oil Operator | Mar 2014 |
| 9 | Finley Resources Inc | Fort Worth, TX 76113 | Oil & Gas Operator | Oct 2025 |
| 10 | Fitkin Petroleum Corporation | Oklahoma City, OK 73112 | Oil & Gas Operator | Jan 1994 |
| 11 | Flag-Redfern Oil Company | Oklahoma City, OK 73125 | Oil & Gas Operator | Jul 2002 |
| 12 | Fleetwood K Phil Oil Properties | Marlow, OK 73055 | Oil & Gas Operator | Jun 2025 |
| 13 | Flow Production Company | Midland, TX 79708 | Oil & Gas Operator | Mar 2005 |
| 14 | Focus Energy, Inc. | Oklahoma City, OK 73154 | Oil & Gas Operator | Nov 2019 |
| 15 | Foreman Enterprises, Inc. | Edmond, OK 73003 | Oil & Gas Operator | May 2025 |
| 16 | Formentera Operations LLC | Austin, TX 78701 | Oil & Gas Operator | Oct 2025 |
| 17 | Fossil Fuels Inc. | Dallas, TX 75201 | Oil & Gas Operator | May 2000 |
| 18 | Four Seas Exploration LLC | Oklahoma City, OK 73101-1557 | Oil & Gas Operator | Dec 2019 |
| 19 | Four-O-One Corporation | Edmond, OK 73013-1977 | Oil & Gas Operator | Mar 2015 |
| 20 | FP Inc. | Oklahoma City, OK 73154 | Oil & Gas Operator | Dec 2008 |
| 21 | Fpco Oil & Gas Co. | New Orleans, LA 70160 | Oil & Gas Operator | Jun 2025 |
| 22 | Fremont Energy Corporation | Oklahoma City, OK 73112 | Oil & Gas Operator | Dec 2004 |
| 23 | Fremont Exploration, Inc. | Oklahoma City, OK 73156 | Oil & Gas Operator | Nov 2014 |
| 24 | Frontier Operating Corporation | Albany, TX 76430 | Oil & Gas Operator | Oct 2025 |
| 25 | Fuksa Investments Inc | Hennessey, OK 73742 | Oil & Gas Operator | Jul 2025 |
| 26 | Fuller Petroleum Inc | Midland, TX 79702 | Oil & Gas Operator | Mar 2008 |
| 27 | Fuller Production, Inc. | Midland, TX 79702 | Oil & Gas Operator | Oct 2025 |