| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | R.J. Patrick Operating Co. | Oil & Gas Operator | Jun 2006 | |
| 2 | Raker Resources LLC | Houston, TX 77042 | Oil & Gas Operator | Apr 2024 |
| 3 | Red Hills Energy, LLC | Medicine Lodge, KS 67104 | Oil & Gas Operator | Dec 2023 |
| 4 | Regency Field Services LLC | Dallas, TX 75201 | Oil Operator | Jul 2017 |
| 5 | Resource Oil And Gas, LLC | Oklahoma City, OK 73114 | Oil & Gas Operator | Apr 2024 |
| 6 | Riviera Operating, LLC | Houston, TX 77002 | Oil & Gas Operator | Jan 2024 |
| 7 | Roemer Oil Company | Denver, CO 80202 | Oil & Gas Operator | Nov 1998 |