| 101 | Keito Gas Inc | Reno, OH 45773 | Oil & Gas Operator | Dec 2020 |
| 102 | Kenoil LLC | Wooster, OH 44691 | Oil & Gas Operator | Dec 2025 |
| 103 | Kilbarger Investments Inc | Logan, OH 43138 | Oil & Gas Operator | Dec 2025 |
| 104 | Killbuck Creek Oil Co LLC | Wooster, OH 44691 | Oil & Gas Operator | Dec 2024 |
| 105 | Kingston Oil Corp | Zanesville, OH 43701 | Oil & Gas Operator | Dec 2000 |
| 106 | Knox Energy Inc | New Albany, OH 43054 | Oil & Gas Operator | Dec 2025 |
| 107 | L & S Oil And Gas | Newark, OH 43055-8732 | Oil & Gas Operator | Dec 2014 |
| 108 | Landprovest Inc | Cambridge, OH 43725 | Oil & Gas Operator | Dec 1993 |
| 109 | Leader Equities Inc | Columbus, OH 43214 | Oil & Gas Operator | Dec 1988 |
| 110 | Liberty Oil & Gas Corp | Olney, IL 62450-2489 | Oil & Gas Operator | Dec 2021 |
| 111 | Lippizan Petroleum, Inc. | Ellenboro, WV 26346 | Oil & Gas Operator | Dec 2025 |
| 112 | Ludwig Cleo R | Caledonia, OH 43314 | Oil & Gas Operator | Dec 1987 |
| 113 | Luoil Inc | Corning, OH 43730 | Oil & Gas Operator | Dec 2025 |
| 114 | Lydic, W. J., Inc. | Zanesville, OH 43702-2310 | Oil & Gas Operator | Jan 2005 |
| 115 | M & R Investments Ohio LLC | Birmingham, AL 35238 | Oil & Gas Operator | Dec 2019 |
| 116 | Mallett Luke-Dba Mallett Energy | New Concord, OH 43762 | Oil & Gas Operator | Dec 2016 |
| 117 | Malvern Group Inc | Clearwater, FL 33758-6817 | Oil & Gas Operator | Mar 2005 |
| 118 | Marden Petroleum Exp Co | Marietta, OH 45750 | Oil & Gas Operator | Dec 1990 |
| 119 | Mark Resources Corp | Pittsburgh, PA 15276 | Oil & Gas Operator | Dec 1993 |
| 120 | Mesh LTD | Zanesville, OH 43701 | Oil & Gas Operator | Dec 2025 |
| 121 | Mid Atlantic Oil Co | Hillsdale, MI 49242 | Oil & Gas Operator | Dec 1999 |
| 122 | Mid-Con Petroleum Co Inc | Heath, OH 43056 | Oil & Gas Operator | Dec 2010 |
| 123 | Midwest Exploration Inc | Villa Park, IL 60181 | Oil & Gas Operator | Dec 1990 |
| 124 | Murphy Oil Company Inc | Lancaster, OH 43130 | Oil & Gas Operator | Dec 2024 |
| 125 | Natland Energy Corp | New Philadelphi, OH 44663 | Oil & Gas Operator | Dec 1996 |
| 126 | NGM Noble LTD | Wooster, OH 44691 | Oil & Gas Operator | Dec 2025 |
| 127 | Ngo Development Corp. | Newark, OH 43055 | Oil & Gas Operator | Dec 2025 |
| 128 | Noble Gas Co | Wooster, OH 44691 | Oil & Gas Operator | Dec 1997 |
| 129 | Northwood Energy Corp | Columbus, OH 43221 | Oil & Gas Operator | Mar 2026 |
| 130 | Nuttco Oil & Gas | Corning, OH 43730 | Oil & Gas Operator | Dec 2010 |
| 131 | Ohio Energy Assets, Inc. | Laurelville, OH 43135 | Oil & Gas Operator | Dec 2014 |
| 132 | Ohio L & M Company Inc | Marietta, OH 45750 | Oil & Gas Operator | Dec 2008 |
| 133 | Ohio Production Corp | Westerville, OH 43081 | Oil & Gas Operator | Dec 2001 |
| 134 | Oil Enterprises | Logan, OH 43138 | Oil & Gas Operator | Dec 2025 |
| 135 | Omega Oil Corp | Lafayette, IN 47903 | Oil & Gas Operator | Dec 1987 |
| 136 | Orion Energy Corp | MT Vernon, IL 62864 | Oil & Gas Operator | Dec 1984 |
| 137 | Orwig Oil Company Inc | Bradenton, FL 34212 | Oil & Gas Operator | Dec 2022 |
| 138 | Ows Acquisition Co LLC | Louisville, OH 44641 | Oil & Gas Operator | Dec 2025 |
| 139 | Oxford Oil | Zanesville, OH 43702 | Oil & Gas Operator | Dec 2012 |
| 140 | PDC Energy Inc | Denver, CO 80203 | Oil & Gas Operator | Mar 2026 |
| 141 | Pelican Producing Inc | Caldwell, OH 43724 | Oil & Gas Operator | Dec 1996 |
| 142 | Petro Quest Inc | Guysville, OH 45735 | Oil & Gas Operator | Dec 2025 |
| 143 | Petrocon Inc | Delaware, OH 43015-7147 | Oil & Gas Operator | Dec 2010 |
| 144 | Petroel | Marietta, OH 45750 | Oil & Gas Operator | Dec 2000 |
| 145 | Petroleum Development Cor | Bridgeport, WV 26330 | Oil & Gas Operator | Dec 2004 |
| 146 | Petrox, Inc | Streetsboro, OH 44241 | Oil & Gas Operator | Dec 2025 |
| 147 | Pin Oak Energy Partners LLC | Akron, OH 44311 | Oil & Gas Operator | Mar 2026 |
| 148 | Poorboy Exploration LLC | Caldwell, OH 43724-9134 | Oil & Gas Operator | Dec 2025 |
| 149 | Poston Operating Co Inc | Ashley, OH 43003 | Oil & Gas Operator | Dec 2003 |
| 150 | Power Resour Oper Co Inc | Canton, OH 44718 | Oil & Gas Operator | Dec 2005 |
| 151 | Quadrant Exploration Inc | Marietta, OH 45750 | Oil & Gas Operator | Dec 2000 |
| 152 | Quaker State Oil Ref Corp | North Canton, OH 44720-1541 | Oil & Gas Operator | Dec 1994 |
| 153 | R C Poling Co Inc | Junction City, OH 43748 | Oil & Gas Operator | Dec 2025 |
| 154 | Range Operating Company | Fort Worth, TX 76102 | Oil & Gas Operator | Apr 2000 |
| 155 | Range Resources Appalachia LLC | Canonsburg, PA 15317 | Oil & Gas Operator | Mar 2026 |
| 156 | Red Man Oil, Co. | Albany, TX 76430 | Oil & Gas Operator | Jun 2026 |
| 157 | Redco, Inc. | Columbus, OH 43229 | Oil & Gas Operator | Dec 1998 |
| 158 | Redman E C /Redman Oil Co | Columbus, OH 43229 | Oil & Gas Operator | Dec 2002 |
| 159 | Reliance Energy, Inc. | Austin, TX 78746 | Oil & Gas Operator | Jun 2026 |
| 160 | Resource Production Inc | Bridgeport, CT 06604 | Oil & Gas Operator | Dec 1993 |
| 161 | Rinard Petroleum LLC | Marietta, OH 45750 | Oil & Gas Operator | Dec 2023 |
| 162 | River Valley Energy Inc | Little Hocking, OH 45742 | Oil & Gas Operator | Dec 2025 |
| 163 | Rocanville Corporation | Dallas, TX 75225 | Oil & Gas Operator | Dec 2016 |
| 164 | Rockwell Resources Inc | New Matamoras, OH 45767 | Oil & Gas Operator | Dec 2024 |
| 165 | Roulette Energy LLC | Canal Wincheste, OH 43110 | Oil & Gas Operator | Dec 2023 |
| 166 | Royal Petroleum Prop Inc | Woodville, OH 43469 | Oil & Gas Operator | Dec 1990 |
| 167 | S & S Energy Corp | Henderson, NV 89052 | Oil & Gas Operator | Dec 2016 |
| 168 | S & S Oil Company | Electra, TX 76360 | Oil & Gas Operator | Jun 2026 |
| 169 | Sabre Energy Corporation | Lore City,, OH 43755 | Oil & Gas Operator | Dec 2017 |
| 170 | Salt Creek JT Venture | Pittsburgh, PA 15219-2702 | Oil & Gas Operator | Dec 1986 |
| 171 | Sardis Gas, LLC | Mineral Wells, WV 26150 | Oil & Gas Operator | Dec 2024 |
| 172 | Scion Energy Inc | Wooster, OH 44691 | Oil & Gas Operator | Dec 2019 |
| 173 | Shanahan Donald P | Ridgedale, MO 65739 | Oil & Gas Operator | Dec 1990 |
| 174 | Smith Ronald Dba Chipco | Zanesville, OH 43701 | Oil & Gas Operator | Dec 2025 |
| 175 | Sound Energy Co Inc | Dover, OH 44622 | Oil & Gas Operator | Mar 2026 |
| 176 | Southern Triangle Oil Co | MT Carmel, IL 62863 | Oil & Gas Operator | Dec 2024 |
| 177 | Stevens Oil & Gas LLC | Marietta, OH 45750 | Oil & Gas Operator | Dec 2025 |
| 178 | Stewart Drilling Co. Inc | Lancaster, OH 43130 | Oil & Gas Operator | Dec 1990 |
| 179 | Stocker & Sitler Inc | Columbus, OH 43214 | Oil & Gas Operator | Dec 2002 |
| 180 | Stonebridge Operating Co LLC | Marietta, OH 45750 | Oil & Gas Operator | Dec 2025 |
| 181 | Strata Petroleum Inc | New Matamoras, OH 45767 | Oil & Gas Operator | Dec 2019 |
| 182 | Stright Roger | Amesville, OH 45711 | Oil & Gas Operator | Dec 2016 |
| 183 | Swingle Drilling Inc | Crooksville, OH 43731 | Oil & Gas Operator | Dec 2025 |
| 184 | SWN Production (Ohio), LLC | Spring, TX 77389 | Oil & Gas Operator | Mar 2024 |
| 185 | T B Drilling Co | Moxahala, OH 43761 | Oil & Gas Operator | Dec 1998 |
| 186 | Temple Oil & Gas Co | Crooksville, OH 43731 | Oil & Gas Operator | Dec 2025 |
| 187 | Tex-Hio Energy | Terrell, TX 75156 | Oil & Gas Operator | Dec 1997 |
| 188 | Texaco Inc | Kingfisher, OK 73750 | Oil & Gas Operator | Dec 2017 |
| 189 | The East Ohio Gas Company Dba Enbridge Gas Ohio | North Canton, OH 44720 | Oil & Gas Operator | Dec 2025 |
| 190 | Thompson Consumer Electronics | Indianapolis, IN 46290 | Oil & Gas Operator | Dec 1998 |
| 191 | Tiger Oil, Inc. | Canal Wincheste, OH 43110 | Oil & Gas Operator | Dec 2007 |
| 192 | Titan Energy Corp | Thomasville, AL 36784 | Oil & Gas Operator | Aug 2009 |
| 193 | Triad Hunter, LLC | Spring, TX 77389 | Oil & Gas Operator | Dec 2021 |
| 194 | Triad Resources Inc | Spring, TX 77389 | Oil & Gas Operator | Dec 2020 |
| 195 | Triple Gas Co | Marietta, OH 45750 | Oil & Gas Operator | Dec 1984 |
| 196 | Utica Resource Operating LLC | Marietta, OH 45750 | Oil & Gas Operator | Sep 2023 |
| 197 | Valentine Oil Properties | Lowell, OH 45744 | Oil & Gas Operator | Dec 1997 |
| 198 | Viking Resources LLC | Uniontown, OH 44685 | Oil & Gas Operator | Dec 2017 |
| 199 | Virco Inc | Morgantown, WV 26508 | Oil & Gas Operator | Dec 2022 |
| 200 | W P Brown Enterprises Inc | Byesville, OH 43723 | Oil & Gas Operator | Dec 2025 |