| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Callon Oil Co, Cambell | Oil & Gas Operator | Oct 1984 | |
| 2 | Callon Petroleum Company | Natchez, MS 39120 | Oil & Gas Operator | Jan 2000 |
| 3 | Campbell Co. Et Al | Oil Operator | Apr 1986 | |
| 4 | Cardneaux Inc. | Oil & Gas Operator | Aug 2009 | |
| 5 | Castor Exploration, Inc. | Oil & Gas Operator | Dec 1991 | |
| 6 | Ceo Operating, Co. | Oil & Gas Operator | Dec 1999 | |
| 7 | Christian Well Service | Oil & Gas Operator | May 1987 | |
| 8 | Citation Oil & Gas Corp. | Houston, TX 77269 | Oil & Gas Operator | Oct 2025 |
| 9 | Clark, Noel D. Et Al | Oil & Gas Operator | Mar 1994 | |
| 10 | Crain & Dore' | Oil & Gas Operator | May 1986 | |
| 11 | Crook-Woodlin Expl.,Inc. | Oil Operator | Feb 1988 |