| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Sancho Oil & Gas LLC | Oil & Gas Operator | Dec 2021 | |
| 2 | Smith, Carl E Petroleum Inc | Sandyville, WV 25275-0000 | Oil & Gas Operator | Dec 2021 |
| 3 | Solomon Production Corporation | Pullman, WV 26421-0003 | Oil & Gas Operator | Dec 2021 |
| 4 | Southern Triangle Oil | Oil & Gas Operator | Dec 2000 | |
| 5 | Spencer Enterprises Dba Hugh Spencer | Smithburg, WV 26436-0000 | Oil & Gas Operator | Dec 2021 |
| 6 | Stalnaker Energy Corporation | Oil & Gas Operator | Dec 2021 | |
| 7 | Stalnaker, William K | Oil & Gas Operator | Dec 2008 | |
| 8 | Sugar Rock Incorporated | Oil & Gas Operator | Dec 2021 | |
| 9 | Swift Energy Company | Houston, TX 77060 | Oil & Gas Operator | Mar 2021 |
| 10 | Syndex Resources, Inc. | Wellesley, MA 02181-000 | Oil & Gas Operator | Dec 2021 |