| 1 | Ab Resources Oh LLC | Brecksville, OH 44141 | Oil & Gas Operator | Dec 2010 |
| 2 | Am-Tek Oil Inc | Cambridge, OH 43725 | Oil & Gas Operator | Dec 2022 |
| 3 | Broad Street Energy Company | Columbus, OH 43204 | Oil & Gas Operator | Dec 2014 |
| 4 | Butcher Energy Corp | Newark, OH 43055 | Oil & Gas Operator | Dec 2014 |
| 5 | Chesapeake Appalachia LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | Jan 2024 |
| 6 | Columbia Gas Transmission, LLC | Charleston, WV 25314 | Oil & Gas Operator | Dec 2021 |
| 7 | Diversified Production LLC | Minden, LA 71055 | Oil & Gas Operator | Apr 2024 |
| 8 | Dome Drilling Co | Westlake, OH 44145-1964-1964 | Oil & Gas Operator | Dec 2009 |
| 9 | Dome Producing | Cleveland, OH 44114 | Oil & Gas Operator | Dec 1988 |
| 10 | Eos Energy LLC | Columbus, OH 43026 | Oil & Gas Operator | Dec 2022 |
| 11 | Geo Energy Inc | Dublin, OH 43017 | Oil & Gas Operator | Dec 1989 |
| 12 | Geopetro LLC | Worthington, OH 43085-2316 | Oil & Gas Operator | Jan 2024 |
| 13 | Green Energy Inc | Wooster, OH 44691 | Oil & Gas Operator | Dec 2022 |
| 14 | Inland Drilling Co Inc | Garretsville, OH 44231 | Oil & Gas Operator | Dec 1992 |
| 15 | Kastle Resources Enterprises Inc | Wooster, OH 44691 | Oil & Gas Operator | Dec 2023 |
| 16 | Kenoil LLC | Wooster, OH 44691 | Oil & Gas Operator | Dec 2022 |
| 17 | M & R Investments Ohio LLC | Birmingham, AL 35238 | Oil & Gas Operator | Dec 2019 |
| 18 | Mallett Luke-Dba Mallett Energy | New Concord, OH 43762 | Oil & Gas Operator | Dec 2016 |
| 19 | Michigan Geosearch Inc | Lansing, MI 48917 | Oil & Gas Operator | Dec 2023 |
| 20 | Moore Well Services Inc | Mogadore, OH 44260 | Oil & Gas Operator | Dec 2023 |
| 21 | Northwood Energy Corp | Columbus, OH 43221 | Oil & Gas Operator | Dec 2023 |
| 22 | Obermiller Paul J | Creston, OH 44217 | Oil & Gas Operator | Dec 2014 |
| 23 | Petrox, Inc | Streetsboro, OH 44241 | Oil & Gas Operator | Dec 2023 |
| 24 | Pominex Inc | Cols, OH 43214 | Oil & Gas Operator | Dec 1988 |
| 25 | Quality Oil & Gas Corp | Alliance, OH 44601 | Oil & Gas Operator | Dec 2022 |
| 26 | Ronald A Gibson & Assoc Inc | Avon Lake, OH 44012 | Oil & Gas Operator | Dec 2023 |
| 27 | Royalton Gas & Oil Co | Brunswick, OH 44212 | Oil & Gas Operator | Dec 1990 |
| 28 | Taylor Lee | MT Gilead, OH 43338 | Oil Operator | Dec 1993 |
| 29 | Transit Energy Inc | West Salem, OH 44287 | Oil & Gas Operator | Dec 2022 |
| 30 | Viking Resources LLC | Uniontown, OH 44685 | Oil & Gas Operator | Dec 2017 |