| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Caerus Washco LLC | Denver, CO 80202 | Oil & Gas Operator | Feb 2019 |
| 2 | Central Operating Inc | Denver, CO 80202 | Oil & Gas Operator | Aug 2025 |
| 3 | Central Resources Inc | Denver, CO 80203 | Oil & Gas Operator | Dec 2019 |
| 4 | Chaco Energy Company | Denver, CO 80201 | Oil & Gas Operator | Aug 2025 |
| 5 | Choctaw II Oil & Gas, LTD. | Houston, TX 77002 | Oil & Gas Operator | Jan 2002 |
| 6 | CM Production LLC | Oil & Gas Operator | Aug 2020 | |
| 7 | Colton Limited Liability Co | Oil & Gas Operator | Sep 2023 | |
| 8 | Copper Land Resources LLC | Oil Operator | Jul 2025 | |
| 9 | Coral Production Corporation | Denver, CO 80201 | Oil & Gas Operator | Jun 2025 |
| 10 | Crumley* Jack | Oil Operator | Aug 2018 |