| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | U Bee Tea Production LLC | Culbertson, MT 59218 | Oil & Gas Operator | Mar 2026 |
| 2 | Unit Petroleum Company | Tulsa, OK 74170 | Oil & Gas Operator | Jul 2026 |
| 3 | Upton Resources U.S.A., Inc. | Oil & Gas Operator | Oct 2013 |