| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | H & L Exploration Company, LLC | Amarillo, TX 79114 | Oil & Gas Operator | Dec 2025 |
| 2 | H-S Exploration | Gunnison, CO 81230 | Oil & Gas Operator | Dec 2025 |
| 3 | Herrmann, J.B. | Amarillo, TX 79159 | Oil & Gas Operator | Aug 2019 |
| 4 | Hess Corporation | Houston, TX 77010 | Oil & Gas Operator | Aug 2017 |