| 1 | Axp Energy, Inc | Lexington, KY 40509 | Oil & Gas Operator | Dec 2021 |
| 2 | B J Oil Company | Corsicana, TX 75109 | Oil & Gas Operator | Dec 2024 |
| 3 | Breitburn Operating LP | Houston, TX 77002 | Oil & Gas Operator | Dec 2024 |
| 4 | Chesapeake Appalachia LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | Sep 2024 |
| 5 | Comstock Oil & Gas, Inc. | Frisco, TX 75034 | Oil & Gas Operator | Dec 2012 |
| 6 | Core Appalachia Operating LLC | Charleston, WV 25362 | Oil & Gas Operator | Dec 2020 |
| 7 | Cumberland Valley Resources, LLC | Louisville, KY 40204 | Oil & Gas Operator | Dec 2022 |
| 8 | Diversified Production LLC | Keithville, LA 71047 | Oil & Gas Operator | Dec 2024 |
| 9 | Louisville Gas & Electric Co | Louisville, KY 40241 | Oil Operator | Dec 2022 |
| 10 | Magnum Hunter Production, Inc. | Irving, TX 75014 | Oil & Gas Operator | Dec 2019 |
| 11 | Nolin Rural Electric Coop | Elizabethtown, KY 42701 | Gas Operator | Dec 2022 |
| 12 | Trico/Tiger Development LLC | | Gas Operator | Dec 2017 |