| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Cal-Tex Operating Co. | Manchaca, TX 78652 | Oil & Gas Operator | May 2020 |
| 2 | Casillas Operating LLC | Tulsa, OK 74103-4060 | Oil & Gas Operator | Jan 2025 |
| 3 | Cassidy Jr John | Stroud, OK 74079-0200 | Oil & Gas Operator | Nov 2014 |
| 4 | Chanze Oil Co., Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Apr 2025 |
| 5 | Chisholm Oil And Gas Operating LLC | Tulsa, OK 74103-3522 | Oil & Gas Operator | Jan 2025 |
| 6 | Clark Operating Inc. | Wichita Falls, TX 76308 | Oil & Gas Operator | Apr 2025 |