| 1 | F & G Management LLC | Claremore, OK 74019-0392 | Oil Operator | Oct 2025 |
| 2 | Farmland Industries Inc | Kansas City, MO 64195-0111 | Oil & Gas Operator | Nov 1995 |
| 3 | Fears Jr Laymon F | Bartlesville, OK 74003-2323 | Oil & Gas Operator | May 2013 |
| 4 | Femco SWD Inc | Enid, OK 73702-3907 | Oil Operator | Mar 2014 |
| 5 | Ferguson-Hunter Explor Inc | N Little Rock, AR 72120-1667 | Oil & Gas Operator | Aug 2016 |
| 6 | Ferraro Energy Corporation | Oklahoma City, OK 73114-6629 | Oil & Gas Operator | Aug 2013 |
| 7 | Finney Drilling Company | Wann, OK 74083-2314 | Oil Operator | Jul 2018 |
| 8 | Finney Kyler A Dba Finney Oil Co | Wann, OK 74083 | Oil Operator | Nov 2025 |
| 9 | Flood Thirty Seven LLC | Dewey, OK 74029 | Oil Operator | Nov 2025 |
| 10 | Flowin Gold Inc | Sapulpa, OK 74066-9735 | Oil & Gas Operator | Apr 2020 |
| 11 | Formentera Operations LLC | Austin, TX 78701 | Oil & Gas Operator | Feb 2026 |
| 12 | Foster Oil & Gas | Bartlesville, OK 74005 | Oil & Gas Operator | Mar 2014 |
| 13 | Four A Oil Company Inc | Copan, OK 74022 | Oil Operator | Aug 2022 |
| 14 | Fox Jr Jimmy D | Bartlesville, OK 74003 | Oil & Gas Operator | Nov 2005 |
| 15 | Fox Northeastern Oil & Gas Corp | Dewey, OK 74029 | Oil & Gas Operator | Dec 2025 |
| 16 | Frierson & Kirchner | | Oil & Gas Operator | Mar 2007 |
| 17 | Frisco Energy, L.L.C. | Tulsa, OK 74105 | Oil & Gas Operator | Nov 2025 |