| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Chevron U. S. A., Inc. -Ca | Oil & Gas Operator | Jan 2000 | |
| 2 | Chevron U. S. A., Inc. -TX | Oil & Gas Operator | Dec 2004 | |
| 3 | Cities Service Oil Co. | Oil & Gas Operator | Dec 1986 | |
| 4 | Clarkco Services, Inc. | Oil & Gas Operator | May 2025 | |
| 5 | Cobra Oil & Gas Corporation | Wichita Falls, TX 76307 | Oil & Gas Operator | Oct 2025 |