| 1 | Advanced Petroleum Enhancement, Inc | Madisonville, KY 42431 | Oil & Gas Operator | Dec 2021 |
| 2 | An-Car Oil Co, Inc | Owensboro, KY 42302-1329 | Oil & Gas Operator | Dec 2014 |
| 3 | Axp Energy, Inc | Lexington, KY 40509 | Oil & Gas Operator | Dec 2023 |
| 4 | Basin Petroleum, LLC | | Oil Operator | Dec 2017 |
| 5 | Big Man Oil Co, Inc | Owensboro, KY 42302 | Oil & Gas Operator | Dec 2023 |
| 6 | Blackhawk Energy LLC | Greenville, KY 42345 | Oil & Gas Operator | Jan 2024 |
| 7 | Blackhorn USA, LLC | Edwardsville, IL 62025 | Oil Operator | Dec 2023 |
| 8 | Blair, W Lynn | Lewisburg, KY 42256 | Oil & Gas Operator | Dec 2022 |
| 9 | C & C Downhole, LLC | Richmond, KY 40475 | Oil & Gas Operator | Dec 2023 |
| 10 | Callahan, Stephen Et Al | Navarre, FL 32566 | Oil & Gas Operator | Dec 2022 |
| 11 | Central Energy Group, LLC | | Oil & Gas Operator | Dec 2020 |
| 12 | Combs, Steven H | Corydon, KY 42406 | Oil Operator | Dec 2023 |
| 13 | Continental Resources, Inc. | Oklahoma City, OK 73126 | Oil & Gas Operator | Jul 2025 |
| 14 | Core Minerals Operating Co Inc | | Oil & Gas Operator | Dec 2023 |
| 15 | Countrymark Energy Resources, LLC | MT Vernon, IN 47620 | Oil & Gas Operator | Dec 2023 |
| 16 | Dacar Energy, Inc | | Oil Operator | Dec 2015 |
| 17 | Diamond Endeavors Inc | | Oil Operator | Dec 2020 |
| 18 | Flag DRLG Co, Inc | Greenville, KY 42345 | Oil & Gas Operator | Dec 2021 |
| 19 | Green River Gas Co, Inc | | Oil & Gas Operator | Dec 2010 |
| 20 | Greenville Oil Company | Greenville, KY 42345 | Oil Operator | Dec 2023 |
| 21 | Har-Ken Agent Ok, LTD | Owensboro, KY 42302 | Oil & Gas Operator | Dec 2023 |
| 22 | Har-Ken Oil Co | | Oil & Gas Operator | Dec 2021 |
| 23 | High Splint Gas & Oil, Inc | Greenville, KY 42345 | Oil Operator | Dec 2023 |
| 24 | Hilltopper Energy, LLC | Hopkinsville, KY 42240 | Oil & Gas Operator | Dec 2023 |
| 25 | Indiana Petroleum Cont | | Oil Operator | Dec 2023 |
| 26 | K & D Energy | | Oil Operator | Dec 2018 |
| 27 | Kirby & Son Dozing | Lewisburg, KY 42256 | Oil Operator | Dec 2023 |
| 28 | Latham, Richard K | Lewisburg, KY 42256 | Oil Operator | Dec 2022 |
| 29 | Lincoln Energy Corporation | Dennis, MA 02638 | Oil & Gas Operator | Dec 2021 |
| 30 | Lone Star Oil & Gas, Inc | Greenville, KY 42345 | Oil & Gas Operator | Dec 2023 |
| 31 | Madison Brothers Investment, LLC | Brownsville, KY 42210 | Oil & Gas Operator | Dec 2023 |
| 32 | Magnum Hunter Production, Inc. | Irving, TX 75014 | Oil & Gas Operator | Dec 2019 |
| 33 | Maxim Energy Inc Dba Maxim Tep Inc | | Oil Operator | Dec 2009 |
| 34 | Maximum Energy Development, LLC | Glasgow, KY 42142 | Oil Operator | Dec 2022 |
| 35 | Mud River Oil & Gas, LLC | Rochester, KY 42273 | Oil Operator | Dec 2023 |
| 36 | Nally, Joseph L | Uniontown, KY 42461 | Oil & Gas Operator | Dec 2021 |
| 37 | Navitas Land And Mineral Development, LLC | | Oil Operator | Dec 2016 |
| 38 | Orbit Gas Transmission, Inc | Owensboro, KY 42303 | Oil & Gas Operator | Dec 2023 |
| 39 | Pro- Gas, Inc. | Midland, TX 79711 | Oil & Gas Operator | Jul 2025 |
| 40 | Ravenna Oil Co | Beattyville, KY 41311 | Oil Operator | Dec 2023 |
| 41 | Republic Exploration, LLC | Bowling Green, KY 42104 | Oil Operator | Dec 2011 |
| 42 | Rlu Operating, LLC | Devine, TX 78016 | Oil & Gas Operator | Jul 2025 |
| 43 | Sargent Oil & Gas Company | | Oil & Gas Operator | Dec 2022 |
| 44 | Smith, James E DRLG Co | | Oil Operator | Dec 2010 |
| 45 | Standard Oil Of Kentucky, Inc | | Oil Operator | Dec 2022 |
| 46 | Stanoco Oil Co | Central City, KY 42330 | Oil & Gas Operator | Dec 2021 |
| 47 | Sunshine Oil & Gas, LLC | Madisonville, KY 42431 | Oil & Gas Operator | Dec 2023 |
| 48 | T & T Contracting Dba Hulman Contracting, LLC | Rockfield, KY 42274 | Oil & Gas Operator | Dec 2023 |
| 49 | Texas Gas Transmission LLC | Owensboro, KY 42301 | Oil & Gas Operator | Dec 2024 |
| 50 | Thomasson Petroleum Enterprises, Inc | Bremen, KY 42325 | Oil Operator | Dec 2018 |
| 51 | Uae Investco 1 (Estill), LLC | Ravenna, KY 40472 | Oil Operator | Dec 2022 |
| 52 | Universal Operating, Inc | Evansville, IN 47715 | Oil & Gas Operator | Dec 2023 |
| 53 | Unknown | Houston, TX 77208 | Oil & Gas Operator | Dec 2023 |
| 54 | Vogler, John F | Greenville, KY 42345 | Oil Operator | Dec 2023 |
| 55 | Wema Natural Res, Inc | Sharon Grove, KY 42280 | Oil Operator | Dec 2021 |
| 56 | Whitney Oil & Gas Co, LLC | | Oil & Gas Operator | Dec 2017 |
| 57 | Wildcat Oil, LLC | Sebree, KY 42455 | Oil Operator | Dec 2021 |