| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Eastern American Energy Corp | Oil & Gas Operator | Dec 2008 | |
| 2 | Elahs Gas Co., Inc. | Oil & Gas Operator | Dec 2021 | |
| 3 | Energy Corporation Of America | Charleston, WV 25311 | Oil & Gas Operator | Dec 2024 |
| 4 | Enervest Operating, L.L.C., A Limited Liability Company | Oil & Gas Operator | Dec 2019 | |
| 5 | Eqt Production Company | Pittsburg, PA 15222 | Oil & Gas Operator | Mar 2026 |
| 6 | Equitable Production Company | Charleston, WV 25302 | Oil & Gas Operator | Dec 2007 |
| 7 | Exco Resources (Pa), LLC | Montoursville, PA 17754-2235 | Oil & Gas Operator | Mar 2026 |
| 8 | Exco Resources (WV), Inc. | Oil & Gas Operator | Dec 2020 |