| 1 | Saga Petroleum LLC Of Colorado | Norman, OK 73072 | Oil & Gas Operator | Apr 2026 |
| 2 | Saglio, Inc. | Clay, WV 25043-0712 | Gas Operator | Dec 2021 |
| 3 | Sampson, Lowell | | Oil & Gas Operator | Dec 2001 |
| 4 | Sancho Oil & Gas LLC | | Oil & Gas Operator | Dec 2021 |
| 5 | Sardis Gas, LLC | Mineral Wells, WV 26150 | Oil & Gas Operator | Dec 2024 |
| 6 | Scarsdale Drilling Partners III LP | Scarsdale, NE 10583 | Oil & Gas Operator | Dec 2014 |
| 7 | SCD Oil Operators & Drilling Inc | Houston, TX 77069 | Oil & Gas Operator | Dec 2021 |
| 8 | Schultz Run Gas Company | | Oil & Gas Operator | Dec 2021 |
| 9 | Sears Resources, LLC | | Oil & Gas Operator | Dec 2021 |
| 10 | Seneca Oil Company | Tulsa, OK 74121-1518 | Oil & Gas Operator | Jan 2015 |
| 11 | Shale Gas Production, LLC | Spencer, WV 25276 | Oil & Gas Operator | Dec 2021 |
| 12 | Shale Service, Inc. | | Oil & Gas Operator | Apr 2019 |
| 13 | Shawmut Production Corporation | Pittsburgh, PA 15219-1913 | Oil & Gas Operator | Jan 2003 |
| 14 | Shewey, C. F., Agent | | Oil & Gas Operator | Dec 2008 |
| 15 | Sigma Corporation | Charleston, WV 25301-2644 | Gas Operator | Dec 2021 |
| 16 | Slaughter, Norman C. | | Oil & Gas Operator | Dec 2012 |
| 17 | Slone Energy, LLC | Oil Springs, KY 41238 | Oil & Gas Operator | Dec 2024 |
| 18 | Smith Land Surveying, Inc. Dba SLS Land & Energy Development | | Gas Operator | Dec 2021 |
| 19 | Smith, Carl E Petroleum Inc | Sandyville, WV 25275-0000 | Oil & Gas Operator | Dec 2021 |
| 20 | Smith, Walter E | Grantsville, WV 26147-0000 | Oil & Gas Operator | Dec 2021 |
| 21 | Solomon Production Corporation | Pullman, WV 26421-0003 | Oil & Gas Operator | Dec 2021 |
| 22 | Sonat Exploration Co. | Houston, TX 77251 | Oil & Gas Operator | Dec 2021 |
| 23 | Southeastern Gas Company | | Oil & Gas Operator | Dec 2019 |
| 24 | Southern Triangle Oil | | Oil & Gas Operator | Dec 2000 |
| 25 | Spencer Enterprises Dba Hugh Spencer | Smithburg, WV 26436-0000 | Oil & Gas Operator | Dec 2021 |
| 26 | St. Clair Oil Co. | St Clairsville, OH 43950 | Oil & Gas Operator | Dec 1997 |
| 27 | Stalnaker Energy Corporation | | Oil & Gas Operator | Dec 2021 |
| 28 | Stalnaker, William K | | Oil & Gas Operator | Dec 2008 |
| 29 | Standard Oil Company, Inc. | Parkesburg, WV 26103 | Oil & Gas Operator | Mar 2022 |
| 30 | Status Oil Well, Inc. | Charlotte, NC 28270 | Oil & Gas Operator | Dec 2011 |
| 31 | Stephen L Satterfield Production Company | Grantsville, WV 26147-0757 | Oil & Gas Operator | Nov 2021 |
| 32 | Stone Energy Corporation | Denver, CO 80202-2828 | Oil & Gas Operator | Oct 2014 |
| 33 | Stonestreet, Vance | Spencer, WV 25276-0000 | Oil & Gas Operator | Dec 2006 |
| 34 | Stowers Energy, LLC | Celebration, FL 34747 | Oil & Gas Operator | Dec 2021 |
| 35 | Strategic Well Holdings, Inc. | | Oil & Gas Operator | Dec 2020 |
| 36 | Stydahar Oil & Gas Co. | | Oil & Gas Operator | Dec 2021 |
| 37 | Subsurface Energy, Inc. | | Oil & Gas Operator | Oct 2015 |
| 38 | Sugar Rock Incorporated | | Oil & Gas Operator | Dec 2021 |
| 39 | Summit Appalachia Operating Company, LLC | | Gas Operator | Dec 2021 |
| 40 | Swift Energy Company | Houston, TX 77060 | Oil & Gas Operator | Mar 2021 |
| 41 | SWN Production (Ohio), LLC | Spring, TX 77389 | Oil & Gas Operator | Mar 2024 |
| 42 | SWN Production Company, LLC | Spring, TX 77391 | Oil & Gas Operator | Dec 2025 |
| 43 | SWV Energy Operating LLC | Spring, TX 77379 | Gas Operator | Dec 2018 |
| 44 | Syndex Resources, Inc. | Wellesley, MA 02181-000 | Oil & Gas Operator | Dec 2021 |
| 45 | Synergy Oil & Gas, Inc. | Houston, TX 77024 | Oil & Gas Operator | Nov 2019 |