| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Carmen Schmitt, Inc. | Great Bend, KS 67530 | Oil & Gas Operator | Sep 2025 |
| 2 | Castle Resources, Inc. | Russell, KS 67665 | Oil & Gas Operator | Sep 2025 |
| 3 | Chaco Energy Company | Denver, CO 80201 | Oil & Gas Operator | Jan 2026 |
| 4 | Chevron U S A In | Oil & Gas Operator | Sep 2000 | |
| 5 | Clothier, David W. | Eastborough, KS 67206 | Oil & Gas Operator | Dec 2019 |
| 6 | Coral Production Corporation | Denver, CO 80201 | Oil & Gas Operator | Sep 2025 |
| 7 | Culbreath Oil & Gas Co Inc | Tulsa, OK 74135 | Oil & Gas Operator | Dec 2025 |