| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Caravel Energy O | Oil & Gas Operator | Feb 1987 | |
| 2 | Catfish Oil | Oil Operator | Feb 2025 | |
| 3 | Evans Oil Inc. | Lebo, KS 66856 | Oil Operator | Mar 2025 |
| 4 | L & G Energy | Oil & Gas Operator | Mar 1994 | |
| 5 | Petroleum Production Corporation | Rantoul, KS 66079 | Oil Operator | Feb 2024 |