| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Umc Petroleum Corporation | Houston, TX 77002 | Oil & Gas Operator | Mar 2015 |
| 2 | Unbridled Resources, LLC | Houston, TX 77002 | Oil & Gas Operator | Oct 2025 |
| 3 | United Energy & Expl Inc | Ada, OK 74821-2449 | Oil & Gas Operator | Jun 2025 |
| 4 | United Energy & Exploration LLC | Ada, OK 74821 | Oil & Gas Operator | Jun 2025 |
| 5 | United Energy Develop Co LTD | Bartlesville, OK 74003 | Oil Operator | Mar 2004 |
| 6 | Upland Production Company | Edmond, OK 73083 | Oil & Gas Operator | Oct 2025 |
| 7 | Urban Oil & Gas Group, LLC | Plano, TX 75074 | Oil & Gas Operator | Oct 2025 |