| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | A N R Storage Company | Oil & Gas Operator | Oct 2016 | |
| 2 | Anr Pipeline Company | Oil & Gas Operator | Jan 2025 | |
| 3 | Antrim Development Corp | Oil & Gas Operator | Oct 2018 | |
| 4 | Apollo Exploration And Development Inc | Oil & Gas Operator | Feb 2025 | |
| 5 | Arbor Operating LLC | Oil & Gas Operator | Mar 2024 |