| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Eastern American Energy Corp | Oil & Gas Operator | Dec 2008 | |
| 2 | Ecological Energy, Inc. | Morgantown, WV 26507-0000 | Oil & Gas Operator | Dec 2021 |
| 3 | Elliott Land & Cattle Co., LLC | Waverly, WV 26184 | Gas Operator | Dec 2021 |
| 4 | Energy Corporation Of America | Charleston, WV 25311 | Oil & Gas Operator | Dec 2023 |
| 5 | Energy Unlimited Inc | Oil & Gas Operator | Feb 2005 | |
| 6 | Enervest Operating LLC | Houston, TX 77002 | Oil & Gas Operator | Oct 2025 |
| 7 | Enervest Operating, L.L.C., A Limited Liability Company | Oil & Gas Operator | Dec 2019 | |
| 8 | Eqt Production Company | Pittsburg, PA 15222 | Oil & Gas Operator | Jul 2025 |