| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | F & M Oil Compan | Oil & Gas Operator | Feb 1993 | |
| 2 | F & M Oil Company Inc | Pettus, TX 78146 | Oil & Gas Operator | Oct 2025 |
| 3 | Farmer, John O., Inc. | Russell, KS 67665 | Oil & Gas Operator | Jun 2025 |
| 4 | Fell Oil & Gas C | Oil Operator | Oct 1991 | |
| 5 | Flatirons Resources LLC | Westminster, CO 80021 | Oil & Gas Operator | Dec 2022 |
| 6 | Forestar Petroleum Corporation | Denver, CO 80202 | Oil & Gas Operator | May 2017 |
| 7 | Fossil Energy, LLC | Russell, KS 67665 | Oil Operator | Jun 2025 |
| 8 | Four-Way Oper In | Oil Operator | Aug 1994 | |
| 9 | Fourwinds Oil Corporation | Hays, KS 67601 | Oil Operator | Jun 2025 |