| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Razar Resources | Oil & Gas Operator | Dec 2000 | |
| 2 | Robert W. Berry Inc. | Gas Operator | Dec 1988 | |
| 3 | Rosetta Resources Operating LP | San Antonio, TX 78216 | Oil & Gas Operator | Oct 2025 |
| 4 | Royale Energy Inc | San Diego, CA 92108-4518 | Oil & Gas Operator | Sep 2025 |