| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Regency Field Services LLC | Dallas, TX 75201 | Oil Operator | Jul 2017 |
| 2 | Riviera Operating, LLC | Houston, TX 77002 | Oil & Gas Operator | Jul 2025 |
| 3 | Rookstool, William A. | Edmond, OK 73034 | Gas Operator | Jan 1999 |
| 4 | Rosel Energy, Inc. | Liberal, KS 67901 | Oil & Gas Operator | Jul 2004 |