| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Carrizo Niobrara LLC | Oil & Gas Operator | Aug 2017 | |
| 2 | Carrizo Oil & Gas, Inc. | Houston, TX 77002 | Oil & Gas Operator | Oct 2025 |
| 3 | Chandler & Associates LLC | Oil & Gas Operator | Jul 2001 | |
| 4 | Charles P Dunning LLC | Oil & Gas Operator | Apr 2025 | |
| 5 | Colorado Interstate Gas Company LLC | Colorado Springs, CO 80944 | Oil & Gas Operator | Aug 2025 |
| 6 | Condor Energy Technology LLC | Oil & Gas Operator | Jul 2018 | |
| 7 | Coral Production Corporation | Denver, CO 80201 | Oil & Gas Operator | Jun 2025 |
| 8 | Crumley* Jack | Oil Operator | Aug 2018 |