| 1 | Axp Energy, Inc | Lexington, KY 40509 | Oil & Gas Operator | Dec 2021 |
| 2 | Blue Flame Energy Corp | Pikeville, KY 41501 | Oil & Gas Operator | Dec 2022 |
| 3 | Chesapeake Appalachia LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | Sep 2024 |
| 4 | Core Appalachia Operating LLC | Charleston, WV 25362 | Oil & Gas Operator | Dec 2020 |
| 5 | Cumberland Harlan Expl Corp | Barbourville, KY 40906 | Oil & Gas Operator | Dec 2018 |
| 6 | Diversified Production LLC | Keithville, LA 71047 | Oil & Gas Operator | Nov 2024 |
| 7 | Diversified Southern Production LLC | | Oil & Gas Operator | Dec 2018 |
| 8 | Enervest Operating LLC | Houston, TX 77002 | Oil & Gas Operator | Nov 2024 |
| 9 | Eqt Production Company | Pittsburg, PA 15222 | Oil & Gas Operator | Sep 2024 |
| 10 | Evan Energy Co, LC | | Gas Operator | Dec 2013 |
| 11 | Magnum Hunter Production, Inc. | Irving, TX 75014 | Oil & Gas Operator | Dec 2019 |
| 12 | Nami Resources Company, LLC | | Oil & Gas Operator | Dec 2022 |
| 13 | Nytis Exploration Company LLC | Lexington, KY 40509 | Oil & Gas Operator | Dec 2021 |
| 14 | Spirit Energy L.L.C. | Caddo Mills, TX 75135 | Oil & Gas Operator | Dec 2018 |
| 15 | Vinland Energy Operations, LLC | Lexington, KY 40509 | Oil & Gas Operator | Dec 2022 |