| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Union Oil Co Of California | Midland, TX 79706 | Oil & Gas Operator | Jan 2022 |
| 2 | United Company | Lubbock, TX 79408 | Oil & Gas Operator | Jun 1995 |
| 3 | Uplands Resources Inc | Tulsa, OK 74103-4141 | Oil & Gas Operator | Jun 2025 |
| 4 | Urban Oil & Gas Group, LLC | Plano, TX 75074 | Oil & Gas Operator | Oct 2025 |