| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Fairman Corp | Du Bois, PA 15801-0288 | Oil & Gas Operator | Dec 2023 |
| 2 | Fairman Drilling Co | Du Bois, PA 15801-0288 | Oil & Gas Operator | Dec 2002 |
| 3 | Fairman Oil & Gas Co Inc | Oil City, PA 16301 | Oil & Gas Operator | Dec 1991 |
| 4 | Farrington & Hepler Gas & Oil Inc | Seneca, PA 16346-0546 | Oil & Gas Operator | Dec 2023 |
| 5 | Flatirons Development LLC | Westminster, CO 80020-2771 | Gas Operator | Dec 2015 |
| 6 | Forrest Richard E | New Bethlehem, PA 16242-2547 | Gas Operator | Dec 2019 |
| 7 | Fortress Energy Corp | Pittsburgh, PA 15217-4207 | Oil & Gas Operator | Dec 2023 |
| 8 | Frederick Drilling Co & Sons Inc | Tylersburg, PA 16361-0066 | Oil & Gas Operator | Dec 2017 |