| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | H.K.E. | Stafford, TX 77497 | Oil & Gas Operator | Feb 2026 |
| 2 | Harrison Interests, LTD. | Houston, TX 77002 | Oil & Gas Operator | Feb 2026 |
| 3 | Hilcorp Energy Company | Houston, TX 77208 | Oil & Gas Operator | Feb 2026 |
| 4 | HMX Investments, Inc. | Katy, TX 77494 | Oil & Gas Operator | Nov 2025 |
| 5 | Houston Petroleum Company | Houston, TX 77027 | Oil & Gas Operator | Feb 2026 |