| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Castle Resources, Inc. | Russell, KS 67665 | Oil & Gas Operator | Apr 2026 |
| 2 | Citation Oil & Gas Corp | Houston, TX 77269 | Oil & Gas Operator | Sep 2026 |
| 3 | Cortez Operating Company | Fort Worth, TX 76102 | Oil & Gas Operator | Nov 2016 |
| 4 | Crown Oil, Inc. | Houston, TX 77002 | Oil Operator | Jan 1999 |