| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | E & B Natural Resources Management Corporation | Hays, KS 67601 | Oil & Gas Operator | Aug 2025 |
| 2 | Eagle River Ener | Oil Operator | Dec 1996 | |
| 3 | Eagle River Energy Corporation | Broken Arrow, OK 74011 | Oil & Gas Operator | Jun 2025 |