| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Enerex Limited Liability Co | Craig, CO 81625 | Oil & Gas Operator | Sep 2025 |
| 2 | Enstar Petroleum Inc | Oil & Gas Operator | Apr 1985 | |
| 3 | EOG Resources Inc | Midland, TX 79702 | Oil & Gas Operator | Dec 2025 |
| 4 | Exxonmobil Oil Corp | Houston, TX 77210 | Oil & Gas Operator | Aug 2025 |