| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | A N R Pipeline Co | Oil & Gas Operator | Jan 2025 | |
| 2 | A N R Storage Company | Oil & Gas Operator | Oct 2016 | |
| 3 | Amoco Production Co And C M S Oil And Gas | Oil & Gas Operator | Sep 1996 | |
| 4 | Amoco Production Co And Peninsular Oil And Gas Co | Oil & Gas Operator | Sep 1998 | |
| 5 | Apache Corporation | Houston, TX 77042 | Oil & Gas Operator | Dec 2025 |
| 6 | Apollo Exploration And Development Inc | Oil & Gas Operator | Aug 2025 | |
| 7 | Arbor Operating LLC | Oil & Gas Operator | Mar 2024 | |
| 8 | Arbor Resources LLC | Oil & Gas Operator | Dec 2007 |