| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Adco Producing Co. | Oil & Gas Operator | Mar 1989 | |
| 2 | Alta Mesa Services, LP | Houston, TX 77084 | Oil & Gas Operator | Dec 2025 |
| 3 | American Petrofina Co Of Texas | Oil & Gas Operator | Jun 1985 | |
| 4 | Amoco Production Company | Houston, TX 77253 | Oil & Gas Operator | Jun 2015 |
| 5 | Apache Corporation | Houston, TX 77042 | Oil & Gas Operator | Dec 2025 |
| 6 | Atasca Resources, Inc. | Houston, TX 77219 | Oil & Gas Operator | Dec 2025 |
| 7 | Axis Onshore, LLC | Oil & Gas Operator | Apr 2008 | |
| 8 | Axis Onshore, LP | Oil & Gas Operator | Dec 2010 |