| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Unifid Oil & Gas Corp. | Oil & Gas Operator | Mar 1994 | |
| 2 | Union Pacific Resources Co. | Fort Worth, TX 76101 | Oil & Gas Operator | Sep 2002 |
| 3 | United Gas Pipe Line Co. | Oil Operator | Aug 1993 | |
| 4 | Us Oil & Gas Inc | Marietta, OH 45750 | Oil & Gas Operator | Feb 2024 |