| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Energy Corp Of Amer | Charleston, WV 25311-1264 | Oil & Gas Operator | Mar 2018 |
| 2 | Enervest Opr LLC | Charleston, WV 25301-1782 | Oil & Gas Operator | Dec 2019 |
| 3 | Eqt Aro LLC | Canonsburg, PA 15317-5851 | Gas Operator | Jul 2025 |
| 4 | Eqt Production Company | Pittsburg, PA 15222 | Oil & Gas Operator | Jul 2025 |
| 5 | Equitable Prod Eastern States Exploration Inc | Snow Shoe, PA 16874-0178 | Gas Operator | Dec 2001 |
| 6 | Equitrans Inc | Cannonsburg, PA 15317 | Oil & Gas Operator | Dec 2018 |
| 7 | Exco Resources (Pa), LLC | Dallas, TX 75251-2224 | Oil & Gas Operator | Jul 2025 |
| 8 | Exco Resources Pa Inc | Warrendale, PA 15086-6501 | Oil & Gas Operator | Dec 2011 |