| 1 | A & R Oil & Gas Of Monroe & Washington Counties LLC | New Matamoras, OH 45767-0646-0646 | Oil & Gas Operator | Dec 2024 |
| 2 | Aed Development Inc | Columbus, OH 43220 | Oil & Gas Operator | Dec 1995 |
| 3 | Aim Energy LLC | North Canton, OH 44720 | Oil & Gas Operator | Dec 2024 |
| 4 | Alliance Petroleum Corporation | Canton, OH 44718-2553-2553 | Oil & Gas Operator | Dec 2019 |
| 5 | American Energy Corporation | Bealsville, OH 43716 | Oil & Gas Operator | Dec 2019 |
| 6 | American Energy Utica LLC | Oklahoma City, OK 73154 | Oil & Gas Operator | Sep 2015 |
| 7 | Antero Resources Corporation | Denver, CO 80202 | Oil & Gas Operator | Dec 2024 |
| 8 | Appalachian Ener Tech Inc | Clearwater, FL 33518 | Oil & Gas Operator | Dec 2001 |
| 9 | Appalachian Energy Res LLC | Lower Salem, OH 45745 | Oil & Gas Operator | Dec 2016 |
| 10 | Armstrong Robert D | New Matamoras, OH 45767 | Oil & Gas Operator | Dec 2023 |
| 11 | Ascent Resources Utica LLC | Oklahoma City, OK 73116 | Oil & Gas Operator | Dec 2024 |
| 12 | Asset Resources Inc | Mentor, OH 44060 | Oil & Gas Operator | Dec 2010 |
| 13 | Augerhead Oil LLC | Lewisville, OH 43754 | Oil & Gas Operator | Dec 2023 |