| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Ram Petroleum, LLC | Tylertown, MS 39667 | Oil & Gas Operator | Jul 2025 |
| 2 | Reliance Trust | Oil Operator | Dec 1960 | |
| 3 | Richland Resources, Inc. | Oil & Gas Operator | Aug 1990 | |
| 4 | River Gas Corporation | Tuscaloosa, AL 35406-2233 | Gas Operator | Dec 2000 |
| 5 | Rockbridge Oil And Gas, Inc. | Houston, TX 77227 | Oil & Gas Operator | Nov 1997 |
| 6 | Roundtree & Associates, Inc. | Oil & Gas Operator | Jun 2024 |