| 1 | Sampson, Lowell | | Oil & Gas Operator | Dec 2001 |
| 2 | Sanovic Gas, LLC | Sewickley, PA 15143 | Gas Operator | Dec 2021 |
| 3 | Sardis Gas, LLC | Mineral Wells, WV 26150 | Oil & Gas Operator | Dec 2023 |
| 4 | Schultz Run Gas Company | | Oil & Gas Operator | Dec 2021 |
| 5 | Sears Resources, LLC | | Oil & Gas Operator | Dec 2021 |
| 6 | Shale Service, Inc. | | Oil & Gas Operator | Apr 2019 |
| 7 | Silver Run Oil & Gas | | Oil & Gas Operator | Dec 2021 |
| 8 | Sioux Gas Company | | Oil & Gas Operator | Dec 2021 |
| 9 | Smith, Walter E | Grantsville, WV 26147-0000 | Oil & Gas Operator | Dec 2021 |
| 10 | Solomon Production Corporation | Pullman, WV 26421-0003 | Oil & Gas Operator | Dec 2021 |
| 11 | Southern Triangle Oil | | Oil & Gas Operator | Dec 2000 |
| 12 | Spencer Enterprises Dba Hugh Spencer | Smithburg, WV 26436-0000 | Oil & Gas Operator | Dec 2021 |
| 13 | Stalnaker Energy Corporation | | Oil & Gas Operator | Dec 2021 |
| 14 | Stalnaker, William K | | Oil & Gas Operator | Dec 2008 |
| 15 | Standard Oil Company, Inc. | Parkesburg, WV 26103 | Oil & Gas Operator | Mar 2022 |
| 16 | Stephen L Satterfield Production Company | Grantsville, WV 26147-0757 | Oil & Gas Operator | Nov 2021 |
| 17 | Strategic Well Holdings, Inc. | | Oil & Gas Operator | Dec 2020 |
| 18 | Subsurface Energy, Inc. | | Oil & Gas Operator | Oct 2015 |
| 19 | Sugar Rock Incorporated | | Oil & Gas Operator | Dec 2021 |
| 20 | Swift Energy Company | Houston, TX 77060 | Oil & Gas Operator | Mar 2021 |
| 21 | Syndex Resources, Inc. | Wellesley, MA 02181-000 | Oil & Gas Operator | Dec 2021 |