| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Range Resources Appalachia LLC | Canonsburg, PA 15317 | Oil & Gas Operator | Jun 2025 |
| 2 | Rannuff Oil & Gas Co | Waynesburg, PA 15370-1437 | Oil & Gas Operator | Dec 2024 |
| 3 | Rejiss Assoc | Braddock, PA 15104-1948 | Oil & Gas Operator | Dec 2009 |
| 4 | Rejiss Assoc Holdings LLC | Braddock, PA 15104-1948 | Gas Operator | Dec 2024 |
| 5 | Rice Drilling B LLC | Canonsburg, PA 15317-5851 | Gas Operator | Jul 2025 |
| 6 | Richard H Burkland | Lemont Furnace, PA 15456-0073 | Oil & Gas Operator | Dec 2012 |
| 7 | Rocksauce Opr LLC | Canonsburg, PA 15317-3906 | Oil & Gas Operator | Dec 2024 |