| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Edge Energy LLC | Oil & Gas Operator | Jul 2025 | |
| 2 | Encana Energy Resources Inc | Denver, CO 80202-2828 | Oil & Gas Operator | Feb 2024 |
| 3 | Encana Oil & Gas (USA) Inc. | Denver, CO 80202 | Oil & Gas Operator | Oct 2020 |
| 4 | Energy Oil And Gas Inc | Oil & Gas Operator | Dec 2010 | |
| 5 | Energy Search Company Inc | Aurora, CO 80011 | Oil & Gas Operator | Jun 2021 |
| 6 | Enervest Operating LLC | Houston, TX 77002 | Oil & Gas Operator | Oct 2025 |
| 7 | Enprop Inc | Oil & Gas Operator | Feb 2013 | |
| 8 | Exco Resources Inc | Dallas, TX 75251 | Oil & Gas Operator | Jun 2025 |
| 9 | Extraction Oil & Gas LLC | Denver, CO 80202 | Oil & Gas Operator | Jul 2025 |