| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | East Resources, Inc. | Sewickley, PA 15143 | Oil & Gas Operator | Dec 2021 |
| 2 | Eastern American Energy Corp | Oil & Gas Operator | Dec 2008 | |
| 3 | Emco Energy, Inc. | Fairfax, VA 22031 | Gas Operator | Dec 2018 |
| 4 | Energy Corporation Of America | Charleston, WV 25311 | Oil & Gas Operator | Dec 2022 |
| 5 | Eqt Production Company | Pittsburg, PA 15222 | Oil & Gas Operator | Jan 2025 |
| 6 | Equitable Production Company | Charleston, WV 25302 | Oil & Gas Operator | Dec 2007 |