| 1 | A R P S Pet Co | | Oil Operator | Dec 2022 |
| 2 | A.D.I.D. Corporation | Emlyn, KY 40730 | Oil & Gas Operator | Dec 2019 |
| 3 | Abarta Oil & Gas Co., Inc. | Pittsburgh, PA 15238 | Oil & Gas Operator | Dec 2020 |
| 4 | Abarta Oil & Gas Co., LLC | | Oil & Gas Operator | Dec 2021 |
| 5 | Adkins, Howard M | Louisa, KY 41230 | Oil Operator | Dec 2022 |
| 6 | Advanced Petroleum Enhancement, Inc | Madisonville, KY 42431 | Oil & Gas Operator | Dec 2021 |
| 7 | American Natural Gas, Inc | Saint Clairsville, OH 43950 | Oil & Gas Operator | Dec 2020 |
| 8 | Ames, C B Dba Ames Oil & Gas | | Oil Operator | Dec 2004 |
| 9 | Amwes Exploration, LLC | Barbourville, KY 40906 | Oil & Gas Operator | Dec 2022 |
| 10 | Anderson Oil LTD. | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Mar 2025 |
| 11 | Antares Oil Corp | Denver, CO 80202 | Oil & Gas Operator | Oct 2015 |
| 12 | Antle Operating, Inc. | Graham, TX 76450 | Oil & Gas Operator | Mar 2025 |
| 13 | Apex DRLG | Bermuda Dunes, CA 92203 | Oil & Gas Operator | Dec 2019 |
| 14 | App Energy, LLC | Monroe, MI 48161 | Oil & Gas Operator | Dec 2021 |
| 15 | Appalachian Resources Of Florida, LLC | Fort Myers, FL 33902 | Oil Operator | Dec 2022 |
| 16 | Aquila Resources | Burkesville, KY 42717 | Oil & Gas Operator | Dec 2022 |
| 17 | Argo Energy Corp | Gray, KY 40734 | Gas Operator | Dec 2019 |
| 18 | Arm Operating Company | London, KY 40743 | Gas Operator | Dec 2022 |
| 19 | Arnold Ridge LLC | | Oil Operator | Dec 2021 |
| 20 | Ashland Oil, Inc | | Oil & Gas Operator | Dec 2022 |
| 21 | Atlas Oil Co, Inc | | Oil Operator | Dec 2013 |
| 22 | Atlas Oil Company, LLC | Versailles, KY 40383 | Oil Operator | Dec 2022 |
| 23 | Aus-Tex Exploration Inc | | Oil & Gas Operator | Jan 2025 |
| 24 | Axp Energy, Inc | Lexington, KY 40509 | Oil & Gas Operator | Dec 2021 |