| 1 | Fahey Oil & Gas | | Oil & Gas Operator | Jul 2021 |
| 2 | Fancher Oil LLC | Greenwood, CO 80111 | Oil & Gas Operator | Nov 2006 |
| 3 | Faulconer Inc* Vernon E | | Gas Operator | Dec 2018 |
| 4 | Fees Jr And Son Oil & Gas* Walter S | | Oil & Gas Operator | Jan 2024 |
| 5 | Fidelity Exploration & Production Company | Denver, CO 80203 | Oil & Gas Operator | Mar 2024 |
| 6 | Fifth Creek Energy Operating Company LLC | | Oil & Gas Operator | Mar 2018 |
| 7 | Flying J Oil & Gas Inc | North Salt Lake, UT 84054 | Oil & Gas Operator | Dec 2009 |
| 8 | Forest Oil Corporation | Houston, TX 77002 | Oil & Gas Operator | Mar 2015 |
| 9 | Forestar Group Inc | | Oil & Gas Operator | Sep 2015 |
| 10 | Fortitude Exploration Co | | Oil & Gas Operator | Feb 2024 |
| 11 | Foundation Energy Management, LLC | Addison, TX 75001 | Oil & Gas Operator | Apr 2024 |
| 12 | Fountainhead Resources LTD | | Oil & Gas Operator | Aug 2016 |
| 13 | Four Corners Energy, LLC | Gulf Breeze, FL 32563 | Oil & Gas Operator | Apr 2024 |
| 14 | Four Star Oil & Gas Company | Houston, TX 77252 | Oil & Gas Operator | Nov 2023 |
| 15 | Fram Operating LLC | | Oil & Gas Operator | Dec 2018 |
| 16 | Francis Energy Inc | | Oil & Gas Operator | May 2000 |
| 17 | Fritz & Digman Inc | | Oil Operator | Feb 2024 |
| 18 | Fritzler Resources, Inc. | Fort Morgan, CO 80701 | Oil & Gas Operator | Dec 2023 |
| 19 | Fulcrum Energy Operating LLC | | Oil & Gas Operator | Feb 2024 |
| 20 | Fundare Resources Operating Company LLC | | Oil & Gas Operator | Feb 2024 |