| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | R & R Oil & Gas LLC | Big Spring, TX 79720 | Oil & Gas Operator | Dec 2024 |
| 2 | Randell Oil Co | Wooster, OH 44691 | Oil & Gas Operator | Dec 2024 |
| 3 | Rice Drilling D LLC | Canonsburg, PA 15317 | Oil & Gas Operator | Jun 2025 |
| 4 | Rinard Petroleum LLC | Newport, OH 45768 | Oil & Gas Operator | Dec 2023 |
| 5 | RMB Corporation | Senecaville, OH 43780 | Oil & Gas Operator | Dec 2016 |
| 6 | Rocanville Corporation | Dallas, TX 75225 | Oil & Gas Operator | Dec 2016 |
| 7 | Rockwell Resources Inc | New Matamoras, OH 45767 | Oil & Gas Operator | Dec 2024 |