| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | F.G. Holl Co., LLC | Wichita, KS 67206 | Oil & Gas Operator | Jun 2025 |
| 2 | Falcon Explorati | Oil & Gas Operator | Apr 1995 | |
| 3 | Farmer John O Inc | Russell, KS 67665 | Oil & Gas Operator | Jun 2025 |
| 4 | Fell Oil & Gas C | Oil Operator | Oct 1991 | |
| 5 | Foundation Energy Management, LLC | Addison, TX 75001 | Oil & Gas Operator | Dec 2025 |
| 6 | Four States Petr | Oil & Gas Operator | Nov 1990 | |
| 7 | Four-Way Oper In | Oil Operator | Aug 1994 | |
| 8 | Four-Way Operating, Inc. | Great Bend, KS 67530 | Oil Operator | Sep 2013 |
| 9 | Fox, Don | Chase, KS 67524 | Oil & Gas Operator | Jul 2006 |
| 10 | Further Developm | Oil Operator | Apr 1986 |