| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Eagle Creek Corporation | Andover, KS 67002 | Oil & Gas Operator | Jun 2025 |
| 2 | Elevate Energy LTD | Aurora, CO 80016 | Oil & Gas Operator | Jun 2025 |
| 3 | Encorp, Inc. | Wichita, KS 67206 | Oil Operator | May 2007 |
| 4 | Energy Reserves | Oil & Gas Operator | Oct 1993 | |
| 5 | Ensign Oil & Gas Inc. | Oil & Gas Operator | Jul 1993 | |
| 6 | Equinox Oil Comp | Oil Operator | Dec 1996 | |
| 7 | Equinox Oil Company | Plainville, KS 67663 | Oil & Gas Operator | Dec 2019 |