| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Allegheny Enterprises Inc | Corsica, PA 15829-3833 | Oil & Gas Operator | Dec 2018 |
| 2 | Amer Exploration Co | Plymouth Meeting, PA 19462-1640 | Oil & Gas Operator | Dec 2008 |
| 3 | Anderson Energy SVC LLC | Clarendon, PA 16313 | Oil & Gas Operator | Dec 2023 |
| 4 | Apex Resources Inc | Allison Park, PA 15101-3838 | Oil & Gas Operator | Dec 1993 |
| 5 | Arg Resources Inc | Kane, PA 16735-6405 | Oil & Gas Operator | Dec 2019 |