| 1 | 3P Operations LLC | Hartford, KY 42347 | Oil Operator | Dec 2018 |
| 2 | Advanced Petroleum Enhancement, Inc | Madisonville, KY 42431 | Oil & Gas Operator | Dec 2021 |
| 3 | Axp Energy, Inc | Lexington, KY 40509 | Oil & Gas Operator | Dec 2021 |
| 4 | B J Oil Company | Corsicana, TX 75109 | Oil & Gas Operator | Mar 2025 |
| 5 | Banks, Francis C | Fordsville, KY 42343 | Oil Operator | Dec 2018 |
| 6 | Basin Petroleum, LLC | | Oil Operator | Dec 2017 |
| 7 | Breitburn Operating LP | Houston, TX 77002 | Oil & Gas Operator | Mar 2025 |
| 8 | Bronco Oil Company | San Angelo, TX 76904 | Oil & Gas Operator | Dec 2024 |
| 9 | Case Drilling Company | Philpot, KY 42366 | Oil Operator | Dec 2019 |
| 10 | Central Hydrocarbons, LLC | | Oil Operator | Dec 2013 |
| 11 | Chesapeake Appalachia LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | Jan 2025 |
| 12 | Coffman Oil & Real Estate Inc | Newport Beach, CA 92661 | Oil Operator | Dec 2022 |
| 13 | Core Appalachia Operating LLC | Charleston, WV 25362 | Oil & Gas Operator | Dec 2020 |
| 14 | D C Oil, Inc | Whitesville, KY 42378 | Oil Operator | Dec 2017 |
| 15 | Dacar Energy, Inc | | Oil Operator | Dec 2015 |
| 16 | Diamond Endeavors Inc | | Oil Operator | Dec 2020 |
| 17 | Dobbs Oil & Gas | | Oil Operator | Dec 2013 |
| 18 | Hall'S Well DRLG & Pump Service, Inc | Avon Park, FL 33825 | Oil Operator | Dec 2022 |
| 19 | Hard Rock DRLG Co | Falls Of Rough, KY 40119 | Oil Operator | Dec 2022 |
| 20 | Hickey, Jeff | Whitesville, KY 42378 | Oil Operator | Dec 2021 |
| 21 | High Splint Gas & Oil, Inc | Greenville, KY 42345 | Oil Operator | Dec 2022 |
| 22 | Howard, Anthony D | Philpot, KY 42366 | Oil Operator | Dec 2022 |
| 23 | Jackson, Howard Dba Jackson Enterprises | Williamsburg, KY 40769 | Oil & Gas Operator | Dec 2022 |
| 24 | Kelcas Well Services LTD | Owensboro, KY 42303 | Oil Operator | Dec 2021 |
| 25 | Lewis, Robert | | Oil Operator | Dec 2022 |
| 26 | Likens, A | | Oil Operator | Dec 2022 |
| 27 | Magnum Hunter Production, Inc. | Irving, TX 75014 | Oil & Gas Operator | Dec 2019 |
| 28 | MSD Energy, Inc | Rapid City, SD 57702 | Oil & Gas Operator | Dec 2020 |
| 29 | Peach, Dennis L | Hartford, KY 42347 | Oil Operator | Dec 2022 |
| 30 | Pioneer Oil Company, Inc | Vincennes, IN 47501 | Oil & Gas Operator | Nov 2024 |
| 31 | Pro- Gas, Inc. | Midland, TX 79711 | Oil & Gas Operator | Mar 2025 |
| 32 | Roskee, Inc | | Oil Operator | Dec 2022 |
| 33 | Southern Triangle Oil Co | MT Carmel, IL 62863 | Oil & Gas Operator | Dec 2022 |
| 34 | Standard Oil Of Kentucky, Inc | | Oil Operator | Dec 2022 |
| 35 | Stanoco Oil Co | Central City, KY 42330 | Oil & Gas Operator | Dec 2021 |
| 36 | Tdoc, Inc | Evansville, IN 47716 | Oil Operator | Dec 2022 |
| 37 | Tops Oil & Gas, LLC | Owensboro, KY 42303 | Oil Operator | Dec 2022 |
| 38 | Universal Operating, Inc | Evansville, IN 47715 | Oil & Gas Operator | Dec 2022 |
| 39 | Unknown | Houston, TX 77208 | Oil & Gas Operator | Dec 2022 |
| 40 | Watts, J R | | Oil Operator | Dec 2009 |
| 41 | Wildcat Oil, LLC | Sebree, KY 42455 | Oil Operator | Dec 2021 |
| 42 | XTO Energy Inc. | Spring, TX 77389 | Oil & Gas Operator | Mar 2025 |