| 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 Security Associates Inc | Oil & Gas Operator | Dec 2020 | |
| 3 | Untener Bishop Kenneth (Diocese Of Saginaw) | Oil Operator | Dec 2023 | |
| 4 | Uptex Operating Inc. | Dallas, TX 75201 | Oil & Gas Operator | May 2011 |