| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Hall Exploration, Inc. | Fort Worth, TX 76102 | Oil & Gas Operator | Aug 2025 |
| 2 | Halliburton Oil Producing Co. | Duncan, OK 73534 | Oil & Gas Operator | Apr 2016 |
| 3 | Henderson Fred J | Okmulgee, OK 74447 | Oil & Gas Operator | Aug 2025 |
| 4 | Highmark Energy Operating LLC | Dallas, TX 75222 | Oil & Gas Operator | Dec 2025 |
| 5 | Hooks Dwain | Tatums, OK 73487 | Oil & Gas Operator | Aug 2025 |