| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Actagon Corp | Oil & Gas Operator | Dec 2025 | |
| 2 | Adobe Resources Corporation | Midland, TX 79701 | Oil & Gas Operator | Aug 2002 |
| 3 | Alliance Petroleum Corp | Canton, OH 44718-2553 | Oil & Gas Operator | Apr 2026 |
| 4 | Amer Natural Resources LLC | Rural Valley, PA 16249-0306 | Oil & Gas Operator | Dec 2018 |
| 5 | Angerman Assoc Inc | Pittsburgh, PA 15238-1359 | Oil & Gas Operator | Dec 1998 |
| 6 | Apollo Gas Co | Pittsburgh, PA 15236-1435 | Gas Operator | Dec 1991 |
| 7 | Apollo Resources LLC | Oil & Gas Operator | Apr 2026 |