| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Rabalais Oil And Gas, Inc. | Oil & Gas Operator | Sep 2023 | |
| 2 | Range Louisiana Operating, LLC | Oil & Gas Operator | Aug 2020 | |
| 3 | Range Production Company | Fort Worth, TX 76102 | Oil & Gas Operator | Sep 2021 |
| 4 | Red River Oil & Gas Inc. | Oil & Gas Operator | May 2012 | |
| 5 | Regency Field Services LLC | Dallas, TX 75201 | Oil Operator | Jul 2017 |
| 6 | Regency Gas Gathrng & Proc LLC | Oil Operator | Sep 2007 | |
| 7 | Regency Intrastate Gas LLC | Oil Operator | Feb 2009 | |
| 8 | Reliant Energy Field SVS Inc. | Oil Operator | Sep 2002 | |
| 9 | Richard B. Nelson,Etal | Oil & Gas Operator | May 1979 | |
| 10 | Riviera Operating, LLC | Houston, TX 77002 | Oil & Gas Operator | Sep 2024 |
| 11 | Robert G Cox & Assoc La Inc. | Oil & Gas Operator | Jun 1994 | |
| 12 | Rosetta Resources Operating LP | San Antonio, TX 78216 | Oil & Gas Operator | Dec 2024 |