| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Falcon Energy Co | Oil Operator | Apr 1992 | |
| 2 | Farmer, John O., Inc. | Russell, KS 67665 | Oil & Gas Operator | Jun 2025 |
| 3 | Fender, Mildred A. | Russell, KS 67665 | Oil & Gas Operator | Jun 2000 |
| 4 | Florine, Inc. | Gypsum, KS 67448 | Oil Operator | Mar 2025 |