| 1 | A.D.I.D. Corporation | Emlyn, KY 40730 | Oil & Gas Operator | Dec 2019 |
| 2 | Amwes Exploration, LLC | Barbourville, KY 40906 | Oil & Gas Operator | Dec 2022 |
| 3 | Anderson Oil LTD. | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Mar 2025 |
| 4 | Axp Energy, Inc | Lexington, KY 40509 | Oil & Gas Operator | Dec 2021 |
| 5 | Bertram Resources Inc | Lexington, KY 40509 | Oil & Gas Operator | Dec 2022 |
| 6 | Blue Flame Energy Corp | Pikeville, KY 41501 | Oil & Gas Operator | Dec 2022 |
| 7 | Bradley, Charles R Dba Basin Energy Co | Prestonsburg, KY 41653 | Oil & Gas Operator | Dec 2022 |
| 8 | Champ Oil Company | Hickory Creek, TX 75065 | Oil & Gas Operator | Dec 2020 |
| 9 | Crudewell Drilling, Inc | Albany, KY 42602 | Oil Operator | Dec 2022 |
| 10 | Cumberland Harlan Expl Corp | Barbourville, KY 40906 | Oil & Gas Operator | Dec 2018 |
| 11 | Cumberland River Oil & Gas, Inc | Williamsburg, KY 40769 | Oil & Gas Operator | Dec 2022 |
| 12 | Cumberland Valley Resources, LLC | Louisville, KY 40204 | Oil & Gas Operator | Dec 2022 |
| 13 | Delta Producers, Inc | Greenville, MS 38703 | Gas Operator | Dec 2017 |
| 14 | Eastern Energy Corporation | Bowling Green, KY 42104 | Oil & Gas Operator | Dec 2013 |
| 15 | Energy Associates, Inc | Lexington, KY 40502 | Oil & Gas Operator | Dec 2022 |
| 16 | Enpro, Inc | Winchester, KY 40391 | Oil & Gas Operator | Dec 2021 |
| 17 | Forexco, Inc. | Greensboro, NC 27438 | Oil & Gas Operator | Dec 2020 |
| 18 | Graham-Michaelis Corporation | Wichita, KS 67201 | Oil & Gas Operator | Dec 2010 |
| 19 | Jackson & Richardson, Inc | Lafollette, TN 37766 | Gas Operator | Dec 2019 |
| 20 | Jackson, Howard Dba Jackson Enterprises | Williamsburg, KY 40769 | Oil & Gas Operator | Dec 2022 |
| 21 | K. Petroleum, Inc. | Gahanna, OH 43230 | Oil & Gas Operator | Jan 2025 |
| 22 | Ky Energy Group, LLC | | Oil & Gas Operator | Dec 2015 |
| 23 | Magnum Hunter Production, Inc. | Irving, TX 75014 | Oil & Gas Operator | Dec 2019 |
| 24 | Nami Resources Company, LLC | | Oil & Gas Operator | Dec 2022 |
| 25 | Pipeline Holdings, Inc | | Gas Operator | Dec 2012 |
| 26 | Robinson Engineering & Oil Company, Inc | Evansville, IN 47716 | Oil & Gas Operator | Dec 2022 |
| 27 | Shenandoah Energy Inc | Denver, CO 80265-1050 | Oil & Gas Operator | Aug 2003 |
| 28 | United Well Completion, Inc | Corbin, KY 40701 | Oil & Gas Operator | Dec 2022 |
| 29 | Vinland Energy Operations, LLC | Lexington, KY 40509 | Oil & Gas Operator | Dec 2022 |