| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | East Resources, Inc. | Parkersburg, WV 26101-5519 | Oil & Gas Operator | Dec 2021 |
| 2 | Edler, John W. And Susan | Irving, NY 14081 | Gas Operator | Dec 2025 |
| 3 | Emerald Oil Company LLC | E. Rochester, NY 14445 | Oil & Gas Operator | Jan 2025 |
| 4 | Empire Energy E & P, LLC | Mayville, NY 14757 | Oil & Gas Operator | Mar 2019 |
| 5 | Erebor Resources, LLC | Tyler, TX 75702 | Oil & Gas Operator | Dec 2025 |