| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Edison Operating Company LLC | Wichita, KS 67226 | Oil & Gas Operator | Mar 2026 |
| 2 | Edmiston Oil Com | Oil & Gas Operator | May 1994 | |
| 3 | Edmiston Oil Company, Inc. | Wichita, KS 67202 | Oil & Gas Operator | Mar 2026 |
| 4 | Elendil Resources LLC | Houston, TX 77057 | Oil & Gas Operator | Jul 2026 |
| 5 | Elysium Energy, L.L.C | Denver, CO 80202 | Oil & Gas Operator | Jun 2019 |
| 6 | Empire Energy E & P, LLC | Mayville, NY 14757 | Oil & Gas Operator | Mar 2019 |
| 7 | Euram Petroleum | Oil Operator | Apr 1986 | |
| 8 | Evertson Oil Company Inc | Kimball, NE 69145 | Oil & Gas Operator | Sep 2001 |