| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Renegade Oil & Gas Company LLC | Oil & Gas Operator | Jul 2025 | |
| 2 | Richardson Operating Company | Denver, CO 80237 | Oil & Gas Operator | Jul 2025 |
| 3 | Rock Creek Resources LLC | Englewood, CO 80112 | Oil & Gas Operator | Dec 2021 |
| 4 | Rocky MTN Natural Gas LLC Adba Black Hills Energy | Gas Operator | Dec 2003 | |
| 5 | Rosetta Resources Operating LP | San Antonio, TX 78216 | Oil & Gas Operator | Oct 2025 |