| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Eastern Kansas Operating, LLC | Sun Lakes, AZ 85248 | Oil & Gas Operator | Apr 2018 |
| 2 | Edwards Lease,The | Oil Operator | Oct 2016 | |
| 3 | Enerjex Kansas, Inc. | Leawood, KS 66211 | Oil & Gas Operator | Apr 2010 |
| 4 | Eps Resources Corp | Englewood, CO 80111 | Oil & Gas Operator | Dec 2009 |
| 5 | Excel Oil & Gas L.L.C. | Bucyrus, KS 66013 | Oil Operator | Jun 2025 |