| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Eagle Petroleum, Inc. | Ellinwood, KS 67526 | Oil Operator | Jun 2025 |
| 2 | Edison Operating Company LLC | Wichita, KS 67226 | Oil & Gas Operator | Jun 2025 |
| 3 | Edmiston Oil Com | Oil & Gas Operator | May 1994 | |
| 4 | Edwards Oil Inco | Oil Operator | Oct 1984 | |
| 5 | El-Kan Exploration | Garfield, KS 67529 | Oil Operator | Jul 1997 |
| 6 | Elevate Energy LTD | Aurora, CO 80016 | Oil & Gas Operator | Jun 2025 |
| 7 | Evans Energy, LLC | Mount Hope, KS 67108 | Oil & Gas Operator | Jun 2025 |