| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Sampson, Lowell | Oil & Gas Operator | Dec 2001 | |
| 2 | Sancho Oil & Gas LLC | Oil & Gas Operator | Dec 2021 | |
| 3 | Schultz Run Gas Company | Oil & Gas Operator | Dec 2021 | |
| 4 | Skybox, LLC | Gas Operator | Dec 2021 | |
| 5 | Solomon Production Corporation | Pullman, WV 26421-0003 | Oil & Gas Operator | Dec 2021 |
| 6 | Stalnaker Energy Corporation | Oil & Gas Operator | Dec 2021 | |
| 7 | Standard Oil Company, Inc. | Parkesburg, WV 26103 | Oil & Gas Operator | Mar 2022 |
| 8 | Subsurface Energy, Inc. | Oil & Gas Operator | Oct 2015 | |
| 9 | Sugar Rock Incorporated | Oil & Gas Operator | Dec 2021 | |
| 10 | Syndex Resources, Inc. | Wellesley, MA 02181-000 | Oil & Gas Operator | Dec 2021 |