| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Cgas Exploration | Charleston, WV 25301 | Oil & Gas Operator | Dec 2006 |
| 2 | Clarence K Tussel Jr LTD | Jefferson, OH 44047 | Oil & Gas Operator | Dec 2025 |
| 3 | Clinton Gas Marketing Inc | Columbus, OH 43214 | Oil & Gas Operator | Dec 1988 |
| 4 | CNG Producing Company | New Orleans, LA 70112 | Oil & Gas Operator | Dec 2015 |
| 5 | Crissinger Robert A Inc | Strongsville, OH 44136 | Oil & Gas Operator | Dec 2003 |
| 6 | Cutter Exploration Inc | Oviedo, FL 32765 | Oil & Gas Operator | Dec 2024 |
| 7 | Cutter Oil Company | West Salem, OH 44287 | Oil & Gas Operator | Dec 2018 |