| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Union Oil Co Of California | Midland, TX 79706 | Oil & Gas Operator | Jan 2022 |
| 2 | Union Pacific Resources Co. | Fort Worth, TX 76101 | Oil & Gas Operator | Sep 2002 |
| 3 | United Operating, LLC *** | Midland, TX 79710 | Oil & Gas Operator | Mar 2025 |
| 4 | Ursa Operating Company LLC | Denver, CO 80265 | Oil & Gas Operator | Dec 2020 |
| 5 | USA Superior Energy LLC | Houston, TX 77077 | Oil Operator | Mar 2010 |