| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | R & B Oil Company, LLC Of Texas | Oil & Gas Operator | Jan 2025 | |
| 2 | Ramco Oil & Gas Inc | Midland, TX 79701 | Oil & Gas Operator | Nov 2006 |
| 3 | Rental & Fishing Tools, Inc. | Oil Operator | Dec 2024 | |
| 4 | Rig Iron Petroleum Inc | Oil & Gas Operator | Aug 1988 | |
| 5 | River Bend Operating, Inc. | Oil & Gas Operator | Jul 1999 | |
| 6 | Rme Petroleum Company | Houston, TX 77251 | Oil & Gas Operator | Nov 2016 |
| 7 | Rouxopco LLC | Oil Operator | Dec 2024 | |
| 8 | Roy M. Huffington, Inc. | Oil & Gas Operator | Jul 1983 |