| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Ramtex Energy LLC | Tulsa, OK 74114 | Oil & Gas Operator | Dec 2025 |
| 2 | Range Production Company | Fort Worth, TX 76102 | Oil & Gas Operator | Sep 2021 |
| 3 | Reed Exploration LLC | Midland, TX 79701 | Oil & Gas Operator | Dec 2025 |
| 4 | Republic Resources, LLC. | San Antonio, TX 78212 | Oil & Gas Operator | Dec 2025 |
| 5 | Rio Bravo Oil Company | The Woodlands, TX 77381 | Oil & Gas Operator | Feb 2002 |
| 6 | Rme Petroleum Company | Houston, TX 77251 | Oil & Gas Operator | Nov 2016 |
| 7 | Rosewood Resources Inc | Dallas, TX 75201 | Oil & Gas Operator | Dec 2025 |