| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Hallwood Petroleum, Inc. | Midland, TX 79701 | Oil & Gas Operator | Aug 2024 |
| 2 | Hathaway Operators, Inc | Oil & Gas Operator | Dec 2000 | |
| 3 | High River Resources Operating LLC | Farmington, NM 87401 | Oil & Gas Operator | Oct 2024 |
| 4 | Hilcorp Energy Company | Houston, TX 77208 | Oil & Gas Operator | Dec 2024 |
| 5 | Holcomb Oil & Gas Inc | Farmington, NM 87401 | Oil & Gas Operator | May 2024 |
| 6 | Hubbs III, LLC | Oil & Gas Operator | Mar 2024 | |
| 7 | Huber Corporation* J M | Oil & Gas Operator | Feb 2008 | |
| 8 | Huntington Energy LLC | Nichols Hill, OK 73116 | Oil & Gas Operator | Dec 2024 |