| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 701 | Hydrogeo, L.L.C. | Houston, TX 77074 | Oil & Gas Operator | Feb 2026 |
| 702 | Hyer,Na & CJ Aldenhoven Trusts | Lipan, TX 76462 | Gas Operator | Oct 2017 |
| 703 | Hyperion Energy LP | Dallas, TX 75206 | Oil & Gas Operator | May 2014 |
| 704 | Hyperion Oil & Gas LLC | Dallas, TX 75251 | Oil & Gas Operator | Feb 2026 |
| 705 | Hyquest Energy, Inc. | Midland, TX 79710 | Oil & Gas Operator | Mar 2015 |