| 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 | Enervest Operating LLC | Houston, TX 77002 | Oil & Gas Operator | Oct 2025 |
| 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 | Jul 2025 |
| 6 | Equitable Production Company | Charleston, WV 25302 | Oil & Gas Operator | Dec 2007 |