| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Capp Petroleum, LLC | Ashland, KY 41105 | Oil & Gas Operator | Dec 2020 |
| 2 | Carson Assoc, Inc | Ashland, KY 41102 | Oil & Gas Operator | Dec 2013 |
| 3 | Catalyst Energy Inc | Pittsburgh, PA 15218 | Oil & Gas Operator | Feb 2026 |
| 4 | Chesapeake Appalachia, LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | Dec 2025 |
| 5 | Core Appalachia Operating LLC | Charleston, WV 25362 | Oil & Gas Operator | Dec 2024 |
| 6 | Core Minerals Operating Co Inc | Oil & Gas Operator | Dec 2024 | |
| 7 | Cornerstone Minerals LTD | Oil & Gas Operator | Dec 2009 |