| 1 | J & C Oil | New Matamoras, OH 45767-6035 | Oil & Gas Operator | Dec 2024 |
| 2 | J & M Oil Co | Overland PK, KS 66209 | Oil & Gas Operator | Jun 2025 |
| 3 | J & S Oil Co | Graham, TX 76450 | Oil & Gas Operator | Apr 2022 |
| 4 | J & T Productions LLC | Tallmansville, WV 26237 | Oil & Gas Operator | Dec 2022 |
| 5 | J M Adams Roustabout & Pipeline Construction Inc. | New Concord, OH 43762 | Oil & Gas Operator | Dec 2024 |
| 6 | J R Development Co | Pickerington, OH 43147 | Oil & Gas Operator | Dec 1997 |
| 7 | J T Plus Well Service LLC | Corning, OH 43730 | Oil & Gas Operator | Dec 2024 |
| 8 | J V Altier Gas & Oil Co. Inc | Malta, OH 43758 | Oil & Gas Operator | Dec 2024 |
| 9 | J Well Service Inc | Warren, OH 44482 | Oil & Gas Operator | Dec 2024 |
| 10 | J-N-J Oil LLC | MT Vernon, OH 43050 | Oil Operator | Dec 2024 |
| 11 | J. D. Gas & Oil, Inc. | Zanesville, OH 43701 | Oil & Gas Operator | Dec 2024 |
| 12 | J. D. Oil & Gas, Inc. | North Canton, OH 44720 | Oil & Gas Operator | Dec 2011 |
| 13 | J.D. Drilling Co. | Basehor, KS 66007 | Oil & Gas Operator | Dec 2023 |
| 14 | Jack Moran Oil Co | Martinsburg, OH 43037 | Oil & Gas Operator | Dec 2009 |
| 15 | Jadco Energy Inc | Newcomerstown, OH 43832 | Oil & Gas Operator | Dec 2023 |
| 16 | Jadoil Inc D Vernau | Newark, OH 43055 | Oil & Gas Operator | Dec 1990 |
| 17 | James Drilling Corp | Blairsville, PA 15717 | Oil & Gas Operator | Dec 2004 |
| 18 | James R Bernhardt Inc | Wooster, OH 44691 | Oil & Gas Operator | Dec 2024 |
| 19 | James R Smail Inc | Wooster, OH 44691 | Oil & Gas Operator | Dec 2020 |
| 20 | James Wray Inc | Utica, OH 43080 | Oil & Gas Operator | Dec 2024 |
| 21 | Janco Well Operation | Canton, OH 44735 | Oil & Gas Operator | Dec 1990 |
| 22 | Jare Holdings LLC | Wooster, OH 44691 | Oil Operator | Dec 2021 |
| 23 | Jay Bee Production | Walhonding, OH 43843 | Oil & Gas Operator | Dec 2023 |
| 24 | JD Producing Inc | Burbank, OH 44214 | Oil & Gas Operator | Dec 2012 |
| 25 | Jeanie Enterprises LLC | Somerset, OH 43783 | Oil & Gas Operator | Dec 2024 |
| 26 | Jefferson Oil & Gas Company | Pickerington, OH 43147 | Oil & Gas Operator | Dec 2024 |
| 27 | Jerry Moore Inc | Hartville, OH 44632 | Oil & Gas Operator | Dec 2024 |
| 28 | Jerry Oil Co. | Riverside, IL 60546 | Oil & Gas Operator | Dec 1990 |
| 29 | JHC II LLC | Zanesville, OH 43701 | Oil & Gas Operator | Dec 2024 |
| 30 | JMD Resources Inc | Belot, OH 44609 | Oil & Gas Operator | Dec 2015 |
| 31 | John D Oil & Gas Company | Mentor, OH 44060 | Oil & Gas Operator | Dec 2016 |
| 32 | John F Williams Oil Field Services Inc | Coshocton, OH 43812 | Oil & Gas Operator | Dec 2024 |
| 33 | Johnson M & Gingerich M | New Lexington, OH 43764 | Oil & Gas Operator | Dec 1995 |
| 34 | Johnson Mike | MT Perry, OH 43760 | Oil & Gas Operator | Dec 2018 |
| 35 | Johnson Oil & Gas LLC | Mount Perry, OH 43760-9641 | Oil & Gas Operator | Dec 2024 |
| 36 | Jones Alan W | MT Gilead, OH 43338 | Oil & Gas Operator | Dec 1990 |
| 37 | Jonsu Oil Corp | Granville, OH 43023 | Oil & Gas Operator | Dec 1994 |
| 38 | Jr Oil | Chanute, KS 66720 | Oil & Gas Operator | Oct 2019 |
| 39 | JRD Energy | Wooster, OH 44691 | Oil & Gas Operator | Dec 1999 |
| 40 | JRM Oil Co | Dalton, OH 44618 | Oil & Gas Operator | Dec 1993 |