| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Reb Petroleum Company | Sugar Land, TX 77478 | Oil & Gas Operator | Sep 2026 |
| 2 | Red Willow Offshore, LLC | Oil & Gas Operator | Apr 2011 | |
| 3 | Reef Exploration Inc | Denver, CO 80202 | Oil & Gas Operator | Feb 2007 |
| 4 | Reef Exploration, L.P. | Richardson, TX 75080 | Oil & Gas Operator | Sep 2026 |
| 5 | Rig Iron Petroleum Inc | Oil & Gas Operator | Aug 1988 | |
| 6 | Rosewood Resources (Poc), Inc. | Oil & Gas Operator | Dec 1984 | |
| 7 | Rosewood Resources Inc | Dallas, TX 75201 | Oil & Gas Operator | Sep 2026 |
| 8 | Royal Production Company, Inc. | Corpus Christ, TX 78401 | Oil & Gas Operator | Sep 2026 |