| 1 | F & G Management LLC | Claremore, OK 74019-0392 | Oil Operator | Jan 2025 |
| 2 | F & J Oil Company, L.L.C. | | Oil Operator | Feb 2025 |
| 3 | F & M Oil Company Inc | Pettus, TX 78146 | Oil & Gas Operator | Jun 2025 |
| 4 | Far West Development, LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | Jun 2025 |
| 5 | Farmland Industries Inc | Kansas City, MO 64195-0111 | Oil & Gas Operator | Nov 1995 |
| 6 | Federal Energy Development Co. | Dallas, TX 75205 | Oil & Gas Operator | Mar 2011 |
| 7 | Fell Oil And Gas Inc | Tulsa, OK 74157-9487 | Oil & Gas Operator | Aug 2016 |
| 8 | Fieldstone Exploration Company | | Oil & Gas Operator | Jan 2007 |
| 9 | Fine Jack | Pensacola, FL 32516 | Oil Operator | May 1995 |
| 10 | Flatrock Energy Co | | Oil & Gas Operator | May 2017 |
| 11 | Forrest, Catherine M | | Oil & Gas Operator | Aug 2024 |
| 12 | Four Brothers Inc | | Oil & Gas Operator | Jan 2020 |
| 13 | Fox Jr Jimmy D | Bartlesville, OK 74003 | Oil & Gas Operator | Nov 2005 |
| 14 | Fox Northeastern Oil & Gas Corp | Bartlesville, OK 74003-2226 | Oil & Gas Operator | Mar 2025 |
| 15 | Frisco Energy, L.L.C. | Tulsa, OK 74105 | Oil & Gas Operator | Feb 2025 |
| 16 | Future Energy Partners | Bartlesville, OK 74005 | Oil & Gas Operator | Feb 2017 |