| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Rainbow Resources, Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Aug 2007 |
| 2 | Ranch Oil Company | West Linn, OR 97068 | Oil & Gas Operator | Oct 2024 |
| 3 | Resolute Natural Resources Co., LLC | Denver, CO 80203 | Oil & Gas Operator | Feb 2017 |
| 4 | Rigel, Inc. | Oil & Gas Operator | Feb 2010 | |
| 5 | Rim Operating, Inc. | Englewood, CO 80112 | Oil & Gas Operator | Dec 2024 |
| 6 | Rocky Top Energy LLC | Bartlesville, OK 74003 | Oil & Gas Operator | Sep 2024 |
| 7 | Ronald M. Sannes | Oil & Gas Operator | Oct 2016 |