| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | R & R Oil & Gas LLC | Big Spring, TX 79720 | Oil & Gas Operator | Dec 2023 |
| 2 | Ramco Energy Corporation | FT. Lauderdale, FL 33312 | Oil & Gas Operator | Dec 2008 |
| 3 | Rare Earth Minerals, Inc. | Oil & Gas Operator | Dec 2014 | |
| 4 | Ritchie Petroleum Corporation, Inc. | Pennsboro, WV 26415-0000 | Oil & Gas Operator | Dec 2021 |
| 5 | Rockwell Resources Inc | New Matamoras, OH 45767 | Oil & Gas Operator | Dec 2023 |