| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Central Resources Inc | Denver, CO 80203 | Oil & Gas Operator | Dec 2019 |
| 2 | Chaco Energy Company | Denver, CO 80201 | Oil & Gas Operator | Aug 2025 |
| 3 | Chandler & Associates LLC | Oil & Gas Operator | Jul 2001 | |
| 4 | Colorado Interstate Gas Company LLC | Colorado Springs, CO 80944 | Oil & Gas Operator | Aug 2025 |
| 5 | Colton Limited Liability Co | Oil & Gas Operator | Sep 2023 | |
| 6 | ConocoPhillips Company | Midland, TX 79701 | Oil & Gas Operator | Oct 2025 |
| 7 | Crestone Peak Resources Operating LLC | Oil & Gas Operator | Jul 2025 | |
| 8 | Crimson Exploration Oper., Inc. | Houston, TX 77002 | Oil & Gas Operator | Dec 2019 |