| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Schrecengost Fred M | Sligo, PA 16255-0216 | Oil & Gas Operator | Dec 2016 |
| 2 | Seneca Resources Co LLC | Cranberry Township, PA 16066 | Oil & Gas Operator | Feb 2026 |
| 3 | Shaner W G | Longmont, CO 80503 | Gas Operator | Dec 2021 |
| 4 | SK Opr Inc | Mars, PA 16046-3811 | Gas Operator | Dec 2025 |
| 5 | Snyder Bros Inc | Kittanning, PA 16201 | Oil & Gas Operator | Feb 2026 |
| 6 | Somerset Oil & Gas Company | Portland, TX 78374 | Oil & Gas Operator | Dec 2006 |
| 7 | Stewart Inc | Ringling, OK 73456 | Oil & Gas Operator | Feb 2026 |
| 8 | Stiglitz Raymond J | Franklin, PA 16323-7760 | Oil & Gas Operator | Dec 2013 |
| 9 | Stryker Energy LLC | Mayfield VIllag, OH 44143 | Oil & Gas Operator | Dec 2018 |