| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | HB Energy LLC | Wellsville, KS 66092 | Oil Operator | Jun 2025 |
| 2 | Hibernian Compan | Oil & Gas Operator | Feb 1991 | |
| 3 | Hillenburg Oil C | Oil Operator | Apr 1994 | |
| 4 | Hoehn Oil LLC | Wellsville, KS 66092 | Oil Operator | Jun 2025 |
| 5 | Hoff Oil & Gas | Oil Operator | May 2013 | |
| 6 | Holland Assoc | Oil Operator | Sep 1987 | |
| 7 | Hughes Drilling Co, A General Partnership | Wellsville, KS 66092 | Oil Operator | Jun 2025 |