| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | R.D. Oil Company | Austin, TX 78755 | Oil & Gas Operator | Oct 2025 |
| 2 | Raizen Oil Company | Velma, OK 73091 | Oil & Gas Operator | Feb 2016 |
| 3 | Ranken Energy Corporation | Edmond, OK 73013 | Oil & Gas Operator | Jun 2025 |
| 4 | Revilo Exploration, Inc. | Richardson, TX 75081 | Oil & Gas Operator | Jul 2021 |
| 5 | Richard W Thompson Inc | Plano, TX 75075 | Oil & Gas Operator | Jul 2019 |
| 6 | Rox Exploration Inc | Norman, OK 73069-6301 | Oil & Gas Operator | Jul 2025 |