| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | F E W Oil Compan | Oil Operator | Jul 1993 | |
| 2 | Falkin, Richard T. | Hepler, KS 66746 | Oil Operator | Nov 2019 |
| 3 | Finley Oil Compa | Oil Operator | Oct 1992 | |
| 4 | Flint Hills Production Co., Inc. | Gas City, KS 66742 | Oil Operator | Nov 2009 |
| 5 | Fuller Oil | Iola, KS 66749 | Oil Operator | Jun 2001 |