| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Dakota-3 E&P Company, LLC | Oil & Gas Operator | Jan 2012 | |
| 2 | Deep Creek Adventures, Co. | Oil Operator | Dec 2018 | |
| 3 | Denbury Onshore, LLC | Plano, TX 75024 | Oil & Gas Operator | Dec 2025 |
| 4 | Devon Energy Williston, L.L.C | Oklahoma City, OK 73102-8260 | Oil & Gas Operator | Sep 2025 |