| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Allen Energy LLC | Cochranton, PA 16314-6214 | Oil & Gas Operator | Dec 2025 |
| 2 | Alliance Petroleum Corp | Canton, OH 44718-2553 | Oil & Gas Operator | Apr 2026 |
| 3 | Atlas Resources Inc | Coraopolis, PA 15108-0611 | Oil & Gas Operator | Dec 2007 |
| 4 | Atlas Resources LLC | Pittsburgh, PA 15275-1033 | Oil & Gas Operator | Jun 2018 |
| 5 | Atwood Energy Inc | Port Washington, OH 43837-9214 | Oil & Gas Operator | Dec 1993 |
| 6 | Aw Tipka Oil & Gas Inc | Dover, OH 44622 | Oil & Gas Operator | Dec 2025 |