| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | F E W Oil Compan | Oil Operator | Jul 1993 | |
| 2 | Fair Banks Enterprises | Chanute, KS 66720 | Oil Operator | Mar 2013 |
| 3 | Faith Partners I | Oil Operator | Feb 1989 | |
| 4 | Farmer Dog Oil Co., A General Partnership | Humboldt, KS 66748 | Oil Operator | Dec 2023 |
| 5 | Flint Hills Production Co., Inc. | Gas City, KS 66742 | Oil Operator | Nov 2009 |