| 101 | Flame Energy Co Inc | Dalton, OH 44618 | Oil & Gas Operator | Dec 2006 |
| 102 | Franklin Gas & Oil Co LLC | Wooster, OH 44691 | Oil & Gas Operator | Dec 2024 |
| 103 | Gas & Oil Pipe Supply | Millersburg, OH 44654 | Oil & Gas Operator | Dec 2006 |
| 104 | Green Energy Inc | Wooster, OH 44691 | Oil & Gas Operator | Dec 2024 |
| 105 | Green Gas Co | Wooster, OH 44691 | Oil & Gas Operator | Dec 2020 |
| 106 | Guardian Management Inc | Marion, OH 43302 | Oil & Gas Operator | Dec 1997 |
| 107 | H & D Drilling Co Inc | Frazeysburg, OH 43822 | Oil & Gas Operator | Dec 2024 |
| 108 | H & S Drilling Co Inc | Frazeysburg, OH 43822 | Oil & Gas Operator | Dec 2016 |
| 109 | H & S Operating Company Inc | Winesburg, OH 44690 | Oil & Gas Operator | Dec 2024 |
| 110 | H I Smith Oil & Gas Inc | Holmesville, OH 44633 | Oil & Gas Operator | Dec 2024 |
| 111 | Hall Energy Inc | Magnetic Spring, OH 43036 | Oil & Gas Operator | Dec 2017 |
| 112 | Hamblin Ralph Inc | MT Vernon, OH 43050 | Oil & Gas Operator | Dec 1991 |
| 113 | Harley Drilling & Producing LTD | Burbank, OH 44214 | Oil & Gas Operator | Dec 2024 |
| 114 | Helms Oil | Brinkhaven, OH 43006 | Oil Operator | Dec 2018 |
| 115 | Hill Drilling Inc | Millersburg, OH 44654 | Oil & Gas Operator | Dec 1997 |
| 116 | Hill William F | Millersburg, OH 44654 | Oil & Gas Operator | Dec 1993 |
| 117 | Hoover Frank W Dba Cherokee Drilling | Miramar Beach, FL 32550 | Oil & Gas Operator | Dec 2024 |
| 118 | Hortin & Huffman Pet Geol | Worthington, OH 43085 | Oil & Gas Operator | Dec 2000 |
| 119 | Industry Standard Supplies Inc | Dover, OH 44622 | Oil & Gas Operator | Dec 2024 |
| 120 | Inland Drilling Co Inc | Garretsville, OH 44231 | Oil & Gas Operator | Dec 1992 |
| 121 | J M Adams Roustabout & Pipeline Construction Inc. | New Concord, OH 43762 | Oil & Gas Operator | Dec 2024 |
| 122 | J R Development Co | Pickerington, OH 43147 | Oil & Gas Operator | Dec 1997 |
| 123 | J. D. Gas & Oil, Inc. | Zanesville, OH 43701 | Oil & Gas Operator | Dec 2024 |
| 124 | Jadoil Inc D Vernau | Newark, OH 43055 | Oil & Gas Operator | Dec 1990 |
| 125 | James R Bernhardt Inc | Wooster, OH 44691 | Oil & Gas Operator | Dec 2024 |
| 126 | James R Smail Inc | Wooster, OH 44691 | Oil & Gas Operator | Dec 2020 |
| 127 | James Wray Inc | Utica, OH 43080 | Oil & Gas Operator | Dec 2024 |
| 128 | Jefferson Oil & Gas Company | Pickerington, OH 43147 | Oil & Gas Operator | Dec 2024 |
| 129 | Jerry Moore Inc | Hartville, OH 44632 | Oil & Gas Operator | Dec 2024 |
| 130 | Jerry Oil Co. | Riverside, IL 60546 | Oil & Gas Operator | Dec 1990 |
| 131 | John F Williams Oil Field Services Inc | Coshocton, OH 43812 | Oil & Gas Operator | Dec 2024 |
| 132 | JRD Energy | Wooster, OH 44691 | Oil & Gas Operator | Dec 1999 |
| 133 | KBD Oil And Gas Production LLC | Brinkhaven, OH 43006 | Oil & Gas Operator | Dec 2024 |
| 134 | Kenoil LLC | Wooster, OH 44691 | Oil & Gas Operator | Dec 2024 |
| 135 | Killbuck Oilfield Service | Killbuck, OH 44637 | Oil & Gas Operator | Dec 2022 |
| 136 | Lake Region Oil Inc | Massillon, OH 44648 | Oil & Gas Operator | Dec 2024 |
| 137 | Landprovest Inc | Cambridge, OH 43725 | Oil & Gas Operator | Dec 1993 |
| 138 | Larry H Wright Inc | Naples, FL 34108-2156 | Oil & Gas Operator | Dec 1993 |
| 139 | Leader Equities Inc | Columbus, OH 43214 | Oil & Gas Operator | Dec 1988 |
| 140 | Leslie Oil & Gas Co Inc | Zanesville, OH 43701 | Oil & Gas Operator | Dec 1991 |
| 141 | Levengood Oil & Gas(Us)In | Dover, OH 44621-2900 | Oil & Gas Operator | Dec 1997 |
| 142 | Lincoln Oil Well Service | Riverside, IL 60546 | Oil & Gas Operator | Dec 1990 |
| 143 | LLP Gas And Oil Corporation | Dover, OH 44622 | Oil & Gas Operator | Dec 2024 |
| 144 | Lydic, W. J., Inc. | Zanesville, OH 43702-2310 | Oil & Gas Operator | Jan 2005 |
| 145 | M & M Royalty LTD | North Canton, OH 44720 | Oil & Gas Operator | Dec 2016 |
| 146 | M & R Investments Ohio LLC | Birmingham, AL 35238 | Oil & Gas Operator | Dec 2019 |
| 147 | M C F Oil Co Inc | Dellroy, OH 44620 | Oil & Gas Operator | Dec 1995 |
| 148 | M-B Operating Co., Inc. | Rowlett, TX 75030 | Oil & Gas Operator | Dec 2025 |
| 149 | Mac Oil Field Service Inc | Millersburg, OH 44654 | Oil & Gas Operator | Dec 2024 |
| 150 | Mainspring LLC | Uhrichsville, OH 44683 | Oil & Gas Operator | Dec 2024 |
| 151 | Mallett Luke-Dba Mallett Energy | New Concord, OH 43762 | Oil & Gas Operator | Dec 2016 |
| 152 | Malvern Group Inc | Clearwater, FL 33758-6817 | Oil & Gas Operator | Mar 2005 |
| 153 | Maram Energy Inc | MT Vernon, OH 43050 | Oil & Gas Operator | Dec 2024 |
| 154 | Maranatha Exploration Inc | Killbuck, OH 44637 | Oil & Gas Operator | Dec 1992 |
| 155 | Mare Energy LLC | Danville, OH 43014 | Oil & Gas Operator | Dec 2024 |
| 156 | Mason Drilling Inc | Millersburg, OH 44654 | Oil & Gas Operator | Dec 2022 |
| 157 | Mason John C | Millersburg, OH 44654 | Oil & Gas Operator | Dec 1994 |
| 158 | Mason Producing Inc | Millersburg, OH 44654-2696 | Oil & Gas Operator | Dec 2024 |
| 159 | Melanie Oil Dril USA Inc | Millersburg, OH 44654 | Oil & Gas Operator | Dec 1989 |
| 160 | Mescko Operating & Prod | Seville, OH 44273 | Oil & Gas Operator | Oct 2025 |
| 161 | Mescko Producing & Operating Co. Inc. | Burbank, OH 44214 | Oil & Gas Operator | Dec 2024 |
| 162 | Mesh LTD | Zanesville, OH 43701 | Oil & Gas Operator | Dec 2024 |
| 163 | MFC Drilling Inc | Coshocton, OH 43812 | Oil & Gas Operator | Dec 2024 |
| 164 | Midwest Exploration Inc | Villa Park, IL 60181 | Oil & Gas Operator | Dec 1990 |
| 165 | Miller Oil & Gas | Dundee, OH 44624-9629 | Oil & Gas Operator | Dec 1998 |
| 166 | Miller Roy/R A Miller Energy LLC | Holmesville, OH 44633 | Oil & Gas Operator | Dec 2024 |
| 167 | Mke Producing Inc | Canton, OH 44735 | Oil & Gas Operator | Dec 2024 |
| 168 | Moore DRLG LLC | MT Vernon, OH 43050 | Oil Operator | Dec 2024 |
| 169 | Moore Michael | MT Vernon, OH 43050 | Oil & Gas Operator | Dec 2013 |
| 170 | Moran Sherman Dean | Utica, OH 43080 | Oil & Gas Operator | Dec 2024 |
| 171 | Moran Well Service Inc. | Gambier, OH 43022 | Oil & Gas Operator | Dec 2023 |
| 172 | Moreland Oil & Gas Inc | Dennison, OH 44621 | Oil & Gas Operator | Dec 1990 |
| 173 | Morgan Pennington Inc | Wooster, OH 44691 | Oil & Gas Operator | Dec 1990 |
| 174 | MS Producing LLC | Creston, OH 44217 | Oil & Gas Operator | Dec 2024 |
| 175 | Murphy Oil Company Inc | Lancaster, OH 43130 | Oil & Gas Operator | Dec 2024 |
| 176 | Natland Energy Corp | New Philadelphi, OH 44663 | Oil & Gas Operator | Dec 1996 |
| 177 | Neos Energy LLC | Columbus, OH 43220-0265 | Oil & Gas Operator | Dec 2024 |
| 178 | Nethers Brothers LLC | Newark, OH 43055 | Oil & Gas Operator | Dec 2024 |
| 179 | Nethers Gary L | Newark, OH 43055 | Oil & Gas Operator | Dec 2024 |
| 180 | Nethers Oil And Gas LLC | Newark, OH 43055 | Oil Operator | Dec 2024 |
| 181 | Newstar Energy USA Inc | Thornville, OH 43076 | Oil & Gas Operator | Aug 2004 |
| 182 | Northwood Energy Corp | Columbus, OH 43221 | Oil & Gas Operator | Sep 2025 |
| 183 | Obermiller Clarence Trust | Creston, OH 44217 | Oil & Gas Operator | Dec 1987 |
| 184 | Obermiller Paul J | Creston, OH 44217 | Oil & Gas Operator | Dec 2014 |
| 185 | Ohio L & M Company Inc | Marietta, OH 45750 | Oil & Gas Operator | Dec 2008 |
| 186 | Ohio Natural Fuel Co | Canton, OH 44718 | Oil & Gas Operator | Dec 1985 |
| 187 | Oiltech Inc | Yuba City, CA 95991 | Oil & Gas Operator | Dec 1984 |
| 188 | Ole Miss Oil & Gas Inc | New Bremen, OH 45689 | Oil & Gas Operator | Dec 1985 |
| 189 | Orwig Oil Company Inc | Bradenton, FL 34212 | Oil & Gas Operator | Dec 2022 |
| 190 | Ows Acquisition Co LLC | Louisville, OH 44641 | Oil & Gas Operator | Dec 2024 |
| 191 | Oxford Oil | Zanesville, OH 43702 | Oil & Gas Operator | Dec 2012 |
| 192 | Paragon Energy Co | Columbus, OH 43214 | Oil & Gas Operator | Dec 1989 |
| 193 | Penn-Ohio Investment Corp. | New Philadelphi, OH 44663 | Oil & Gas Operator | Dec 2004 |
| 194 | Peroco Oil & Gas | Killbuck, OH 44637 | Oil & Gas Operator | Dec 1987 |
| 195 | Petro Drilling Corp | Columbus, OH 43229 | Oil & Gas Operator | Dec 1993 |
| 196 | Petro Evaluation Services Inc | Wooster, OH 44691 | Oil & Gas Operator | Dec 2023 |
| 197 | Petro Quest Inc | Guysville, OH 45735 | Oil & Gas Operator | Dec 2024 |
| 198 | Petrox, Inc | Streetsboro, OH 44241 | Oil & Gas Operator | Dec 2024 |
| 199 | Pettigrew Pumping Service Inc | Ravenna, OH 44266 | Oil & Gas Operator | Dec 2024 |
| 200 | Pin Oak Energy Partners LLC | Akron, OH 44311 | Oil & Gas Operator | Sep 2025 |