| 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 | Antrim Development Corp | Oil & Gas Operator | Oct 2018 | |
| 4 | Apollo Exploration And Development Inc | Oil & Gas Operator | Aug 2025 | |
| 5 | Arbor Operating LLC | Oil & Gas Operator | Mar 2024 |