| 1 | S & C Drilling, Inc | Columbia, KY 42728 | Oil Operator | Dec 2021 |
| 2 | Saap Energy, Inc | Newburgh, NY 12550 | Oil Operator | Dec 2022 |
| 3 | Sand Dollar, LLC | Henderson, KY 42420 | Oil & Gas Operator | Dec 2018 |
| 4 | Sanford, Marion | Bowling Green, KY 42101 | Oil Operator | Dec 2022 |
| 5 | Sargent Oil & Gas Company | | Oil & Gas Operator | Dec 2022 |
| 6 | Sarver, Danny & Meador, Steve | Adolphus, KY 42120 | Oil Operator | Dec 2018 |
| 7 | Savage Exploration, Inc. | San Marcos, TX 78666 | Oil & Gas Operator | Mar 2025 |
| 8 | Schuster Homes Inc | Rangely, CO 81648 | Oil & Gas Operator | Apr 2013 |
| 9 | Shale Energy LLC | Jeffersonville, KY 40337 | Oil Operator | Dec 2018 |
| 10 | Shenandoah Energy Inc | Denver, CO 80265-1050 | Oil & Gas Operator | Aug 2003 |
| 11 | Shulz-Hill-Swank | | Oil Operator | Dec 2022 |
| 12 | Silvco Energy, LLC | | Oil Operator | Apr 2014 |
| 13 | Sinkhole Solutions, LLC | Bowling Green, KY 42103 | Oil Operator | Dec 2021 |
| 14 | Sipple Oil Co | Beattyville, KY 41311 | Oil Operator | Dec 2012 |
| 15 | Skipworth, Joseph D | | Oil Operator | Dec 2021 |
| 16 | Sky Oil Co | | Oil Operator | Dec 2022 |
| 17 | Slone Energy, LLC | Oil Springs, KY 41238 | Oil & Gas Operator | Dec 2022 |
| 18 | Smith, Alan S | | Gas Operator | Dec 2022 |
| 19 | Smith, Donald B | | Oil Operator | Dec 2020 |
| 20 | Smith, Donald B (Deceased) | Calhoun, KY 42327 | Oil Operator | Dec 2022 |
| 21 | Smith, Loretta Sue | Park City, KY 42160 | Oil Operator | Dec 2022 |
| 22 | South Fork Energy, LLC - (Ca) | | Oil Operator | Dec 2020 |
| 23 | Southeastern Gas Company | | Oil & Gas Operator | Dec 2015 |
| 24 | Southern Oil & Gas LLC | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Mar 2025 |
| 25 | Southern Triangle Oil Co | MT Carmel, IL 62863 | Oil & Gas Operator | Dec 2022 |
| 26 | Spirit Energy L.L.C. | Caddo Mills, TX 75135 | Oil & Gas Operator | Dec 2016 |
| 27 | Standard Oil Of Kentucky, Inc | | Oil Operator | Dec 2022 |
| 28 | Stanoco Oil Co | Central City, KY 42330 | Oil & Gas Operator | Dec 2021 |
| 29 | Status Oil Well, Inc. | Charlotte, NC 28270 | Oil & Gas Operator | Dec 2009 |
| 30 | Steinwachs SR, James M | Robards, KY 42452 | Oil Operator | Dec 2022 |
| 31 | Steve Burchett Oil Co | | Oil Operator | Dec 2022 |
| 32 | Stevens, Dale E | Grayson, KY 41143 | Oil Operator | Dec 2022 |
| 33 | Stinson, Ernest Dba Logsdon Valley Oil | Horse Cave, KY 42749 | Oil Operator | Dec 2021 |
| 34 | Storm Burchett Dba Storm Resources, LLC | Albany, KY 42602 | Oil Operator | Dec 2022 |
| 35 | Stouder DRLG Co | | Oil & Gas Operator | Dec 2022 |
| 36 | Sun Exploration Co, Inc | | Oil Operator | Dec 2009 |
| 37 | Sun Oil Company | Arlington, TX 76006 | Oil & Gas Operator | Dec 2021 |
| 38 | Sunset Energy L L C | Palm Harbor, FL 34683-3044 | Oil Operator | Dec 2007 |
| 39 | Sunshine Oil & Gas, LLC | Madisonville, KY 42431 | Oil & Gas Operator | Dec 2022 |
| 40 | Swo & Ism, LLC | | Oil & Gas Operator | Dec 2021 |