| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Halcon Louisiana Operating, LP | Oil & Gas Operator | Sep 2017 | |
| 2 | Hilcorp Energy Company | Houston, TX 77208 | Oil & Gas Operator | Oct 2025 |
| 3 | Hogan Energy Corporation | Oil & Gas Operator | Oct 1999 | |
| 4 | Hogan Exploration, Inc. | Oil & Gas Operator | Mar 2000 | |
| 5 | Hunt Petroleum Corporation | Dallas, TX 75201 | Oil & Gas Operator | Nov 2008 |