| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Rainbow Oil Company | Oil & Gas Operator | Aug 1999 | |
| 2 | Ranch Oil Company | West Linn, OR 97068 | Oil & Gas Operator | Feb 2024 |
| 3 | Resolute Wyoming Inc | Denver, CO 80203 | Oil & Gas Operator | May 2018 |
| 4 | Richardson Operating Company | Denver, CO 80237 | Oil & Gas Operator | Jan 2024 |
| 5 | Ridgeland Wyoming Inc | Oil Operator | Dec 2014 | |
| 6 | Robert Hawkins Inc | Kevin, MT 59454 | Oil & Gas Operator | Jan 2024 |