| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Halcon Holdings Inc | Ada, OK 74820 | Oil & Gas Operator | Nov 2018 |
| 2 | Hall Energy Co. | Oklahoma City, OK 73102 | Oil & Gas Operator | Sep 2016 |
| 3 | Hess Corporation | Houston, TX 77010 | Oil & Gas Operator | Aug 2017 |
| 4 | High River Resources Operating LLC | Farmington, NM 87401 | Oil & Gas Operator | Feb 2024 |
| 5 | Hilcorp Energy Company | Houston, TX 77208 | Oil & Gas Operator | Apr 2024 |
| 6 | Holcomb Oil & Gas Inc | Farmington, NM 87401 | Oil & Gas Operator | Jan 2024 |
| 7 | Horizon Natural Gas Company | Tulsa, OK 74170 | Oil & Gas Operator | Jan 2024 |
| 8 | Hunt Oil Company | Dallas, TX 75201 | Oil & Gas Operator | Apr 2024 |
| 9 | Huntington Energy LLC | Oklahoma City, OK 73116 | Oil & Gas Operator | Apr 2024 |