| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | East Resources, Inc. | Sewickley, PA 15143 | Oil & Gas Operator | Dec 2021 |
| 2 | Elahs Gas Co., Inc. | Oil & Gas Operator | Dec 2021 | |
| 3 | Energy Corporation Of America | Charleston, WV 25311 | Oil & Gas Operator | Dec 2024 |
| 4 | Eqt Production Company | Pittsburg, PA 15222 | Oil & Gas Operator | Jan 2026 |
| 5 | Equitable Production Company | Charleston, WV 25302 | Oil & Gas Operator | Dec 2007 |
| 6 | Erp Environmental Fund, Inc. | Gas Operator | Dec 2018 | |
| 7 | Exco Resources (WV), Inc. | Oil & Gas Operator | Dec 2020 |