| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | D & D Oil Company | Dayton, TX 77535 | Oil & Gas Operator | Dec 2025 |
| 2 | Diasu Oil & Gas Co., Inc. | Houston, TX 77002 | Oil & Gas Operator | Mar 2016 |
| 3 | DRG Energy Inc. | Norman, OK 73026-3171 | Oil & Gas Operator | Sep 2025 |