| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Eagle Operating, Inc. | Minot, ND 58701 | Oil & Gas Operator | Apr 2026 |
| 2 | Emerald Oil, Inc | Oil & Gas Operator | Dec 2016 | |
| 3 | Encore Energy Partners Operating LLC | Houston, TX 77057 | Oil & Gas Operator | Apr 2015 |
| 4 | Encore Operating LP | Plano, TX 75024 | Oil & Gas Operator | May 2026 |
| 5 | Enerplus Resources USA Corporation | Houston, TX 77002 | Oil & Gas Operator | Apr 2026 |