| 101 | Gilbert Oil Co | Ravenna, OH 44266 | Oil & Gas Operator | Dec 1988 |
| 102 | Gonzoil Inc | Canton, OH 44718-1806 | Oil & Gas Operator | Dec 2018 |
| 103 | Great Plains Exploration LLC | Mentor, OH 44060 | Oil & Gas Operator | Dec 2016 |
| 104 | Group Maintenance Corp | Jefferson, OH 44047 | Oil & Gas Operator | Dec 2012 |
| 105 | Hall & Horning Serv Inc | Atwater, OH 44201-9375 | Oil & Gas Operator | Dec 2009 |
| 106 | Hall Energy Inc | Magnetic Spring, OH 43036 | Oil & Gas Operator | Dec 2017 |
| 107 | Headington Oil Company, L.P. | Dallas, TX 75231 | Oil & Gas Operator | Mar 2008 |
| 108 | Hill William F | Millersburg, OH 44654 | Oil & Gas Operator | Dec 1993 |
| 109 | Holbrook LLC | Bimble, KY 40915 | Oil & Gas Operator | Mar 2026 |
| 110 | Hopewell Oil & Gas Development Company | Columbus, OH 43228 | Oil & Gas Operator | Dec 2019 |
| 111 | Hottel Oil & Gas LLC | Wooster, OH 44691-7639 | Oil & Gas Operator | Dec 2013 |
| 112 | Inland Drilling Co Inc | Garretsville, OH 44231 | Oil & Gas Operator | Dec 1992 |
| 113 | J Well Service Inc | Warren, OH 44482 | Oil & Gas Operator | Dec 2025 |
| 114 | James R Bernhardt Inc | Wooster, OH 44691 | Oil & Gas Operator | Dec 2025 |
| 115 | James R Smail Inc | Wooster, OH 44691 | Oil & Gas Operator | Dec 2020 |
| 116 | Jerry Moore Inc | Hartville, OH 44632 | Oil & Gas Operator | Dec 2025 |
| 117 | John D Oil & Gas Company | Mentor, OH 44060 | Oil & Gas Operator | Dec 2016 |
| 118 | Kenoil LLC | Wooster, OH 44691 | Oil & Gas Operator | Dec 2025 |
| 119 | Killbuck Creek Oil Co LLC | Wooster, OH 44691 | Oil & Gas Operator | Dec 2024 |
| 120 | Kmfad Oil And Gas LLC | Coshocton, OH 43812 | Oil & Gas Operator | Dec 2023 |
| 121 | KST Oil & Gas Co Inc | Tallmadge, OH 44278-1142 | Oil & Gas Operator | Dec 1995 |
| 122 | Landprovest Inc | Cambridge, OH 43725 | Oil & Gas Operator | Dec 1993 |
| 123 | Leader Equities Inc | Columbus, OH 43214 | Oil & Gas Operator | Dec 1988 |
| 124 | Leslie Oil & Gas Co Inc | Zanesville, OH 43701 | Oil & Gas Operator | Dec 1991 |
| 125 | Levengood Oil & Gas(Us)In | Dover, OH 44621-2900 | Oil & Gas Operator | Dec 1997 |
| 126 | Lynn Riggs LLC | Sebring, OH 44672 | Oil & Gas Operator | Dec 2025 |
| 127 | M & M Royalty LTD | North Canton, OH 44720 | Oil & Gas Operator | Dec 2016 |
| 128 | M & R Investments Ohio LLC | Birmingham, AL 35238 | Oil & Gas Operator | Dec 2019 |
| 129 | M-B Operating Co., Inc. | Rowlett, TX 75030 | Oil & Gas Operator | Jun 2026 |
| 130 | Majestic Oil & Gas, Inc. | Pampa, TX 79066 | Oil & Gas Operator | May 2007 |
| 131 | Marden Petroleum Exp Co | Marietta, OH 45750 | Oil & Gas Operator | Dec 1990 |
| 132 | Mellenco Inc | Scottsdale, AZ 85253 | Oil & Gas Operator | Dec 1990 |
| 133 | Midcoast Resources Co | Tulsa, OK 74136 | Oil & Gas Operator | Dec 1992 |
| 134 | Mke Producing Inc | Canton, OH 44735 | Oil & Gas Operator | Dec 2025 |
| 135 | Moore Resources LLC | Mogadore, OH 44260 | Oil & Gas Operator | Dec 2025 |
| 136 | Moore Well Services Inc | Mogadore, OH 44260 | Oil & Gas Operator | Dec 2025 |
| 137 | MS Producing LLC | Creston, OH 44217 | Oil & Gas Operator | Dec 2025 |
| 138 | Mutual Oil & Gas Co | Akron, OH 44311 | Oil & Gas Operator | Dec 2000 |
| 139 | Natland Energy Corp | New Philadelphi, OH 44663 | Oil & Gas Operator | Dec 1996 |
| 140 | Noble Oil Corp | Columbus, OH 43229 | Oil & Gas Operator | Dec 1996 |
| 141 | North Amer Petroleum Inc | Zanesville, OH 43701 | Oil & Gas Operator | Dec 2000 |
| 142 | North American Petroleum Inc | Scottsdale, AZ 85262 | Oil & Gas Operator | Dec 2025 |
| 143 | North American Prod Co | Wooster, OH 44691 | Oil & Gas Operator | Dec 1998 |
| 144 | North Coast Petroleum Inc | Hiram, OH 44234 | Oil & Gas Operator | Dec 1993 |
| 145 | North Ridge Energy Inc | Rome, OH 44085-9713 | Oil & Gas Operator | Dec 2025 |
| 146 | Northwood Energy Corp | Columbus, OH 43221 | Oil & Gas Operator | Mar 2026 |
| 147 | Ohio L & M Company Inc | Marietta, OH 45750 | Oil & Gas Operator | Dec 2008 |
| 148 | Ohio Valley Energy Systems Corp | Austintown, OH 44515 | Oil & Gas Operator | Dec 2025 |
| 149 | Okmar Oil Company | Marietta, OH 45750 | Oil & Gas Operator | Jun 2005 |
| 150 | Orion Energy Corp | MT Vernon, IL 62864 | Oil & Gas Operator | Dec 1984 |
| 151 | Orion Petro Corp | MT Vernon, IL 62864 | Oil & Gas Operator | Dec 2016 |
| 152 | Ows Acquisition Co LLC | Louisville, OH 44641 | Oil & Gas Operator | Dec 2025 |
| 153 | Oxford Oil | Zanesville, OH 43702 | Oil & Gas Operator | Dec 2012 |
| 154 | P & S Production LLC | Ravenna, OH 44266 | Oil & Gas Operator | Dec 2013 |
| 155 | Parker Hannifin Corporation | Ravenna, OH 44266 | Oil & Gas Operator | Dec 2025 |
| 156 | Partners Petroleum Inc | Independence, OH 44131 | Oil & Gas Operator | Dec 1988 |
| 157 | Pennzenergy | Houston, TX 77252 | Oil & Gas Operator | Dec 1986 |
| 158 | Pep Drilling LLC | MT Vernon, IL 62864 | Oil & Gas Operator | Dec 2024 |
| 159 | Petro Drilling Corp | Columbus, OH 43229 | Oil & Gas Operator | Dec 1993 |
| 160 | Petrox, Inc | Streetsboro, OH 44241 | Oil & Gas Operator | Dec 2025 |
| 161 | Pettigrew Pumping Service Inc | Ravenna, OH 44266 | Oil & Gas Operator | Dec 2025 |
| 162 | Pin Oak Energy Partners LLC | Akron, OH 44311 | Oil & Gas Operator | Mar 2026 |
| 163 | Pin Oak Petroleum Inc | Dallas, TX 75251 | Oil & Gas Operator | Dec 1989 |
| 164 | Pine Top Inc | Akron, OH 44313 | Oil & Gas Operator | Dec 2016 |
| 165 | Pioneer Resources Inc | Phillipsburg, KS 67661 | Oil & Gas Operator | Oct 2020 |
| 166 | Pipes Pursie E | MT Vernon, IL 62864 | Oil & Gas Operator | Dec 2014 |
| 167 | Pominex Inc | Cols, OH 43214 | Oil & Gas Operator | Dec 1988 |
| 168 | Power Gas Marketing & Trans | Akron, OH 44311-1057 | Oil & Gas Operator | Dec 2005 |
| 169 | Quaker State Oil Ref Corp | North Canton, OH 44720-1541 | Oil & Gas Operator | Dec 1994 |
| 170 | Rab Oil & Gas LLC | Garrettsville, OH 44231 | Oil & Gas Operator | Dec 2025 |
| 171 | Randell Oil Co | Wooster, OH 44691 | Oil & Gas Operator | Dec 2025 |
| 172 | Range Operating Company | Fort Worth, TX 76102 | Oil & Gas Operator | Apr 2000 |
| 173 | Range Resources Appalachia LLC | Canonsburg, PA 15317 | Oil & Gas Operator | Mar 2026 |
| 174 | Reed Kenneth E | Burbank, OH 44214 | Oil & Gas Operator | Dec 1993 |
| 175 | Rent A Home Inc | Ravenna, OH 44266 | Oil & Gas Operator | Dec 2024 |
| 176 | Resource America Inc | Uniontown, OH 44685 | Oil & Gas Operator | Dec 2011 |
| 177 | RHDK Oil & Gas LLC/Dba Red Hill | Dover, OH 44622-9801 | Oil & Gas Operator | Dec 2025 |
| 178 | Royal Petroleum Prop Inc | Woodville, OH 43469 | Oil & Gas Operator | Dec 1990 |
| 179 | RPJ Fund Management Inc | St. Paul, MN 55101 | Oil & Gas Operator | Dec 1991 |
| 180 | RSC Energy Corp | Brooklyn HTS, OH 44109 | Oil & Gas Operator | Dec 1984 |
| 181 | Ruffner Petroleum Corp | Akron, OH 44308 | Oil & Gas Operator | Dec 2000 |
| 182 | S & S Energy Corp | Henderson, NV 89052 | Oil & Gas Operator | Dec 2016 |
| 183 | Seagull Development Corp | Massillon, OH 44646-7436 | Oil & Gas Operator | Dec 2015 |
| 184 | Seibert Oil & Gas | Hudson, OH 44236-4430 | Oil & Gas Operator | Dec 1999 |
| 185 | Shafer Berman J | Wooster, OH 44691 | Oil & Gas Operator | Dec 2000 |
| 186 | Shongum Oil & Gas Inc | Akron, OH 44312 | Oil & Gas Operator | Dec 2011 |
| 187 | Sidwell Theodore R Jr | Thornville, OH 43076 | Oil & Gas Operator | Dec 1988 |
| 188 | Skyliner Energy LLC | Ravenna, OH 44266 | Oil & Gas Operator | Dec 2025 |
| 189 | Sound Energy Co Inc | Dover, OH 44622 | Oil & Gas Operator | Mar 2026 |
| 190 | Spencer Petroleum Corp | Akron, OH 44319 | Oil & Gas Operator | Dec 2000 |
| 191 | Spencer Resources Inc | Richmond, VA 23225 | Oil & Gas Operator | Dec 1993 |
| 192 | Stewart Drilling Co. Inc | Lancaster, OH 43130 | Oil & Gas Operator | Dec 1990 |
| 193 | Stonebridge Operating Co LLC | Marietta, OH 45750 | Oil & Gas Operator | Dec 2025 |
| 194 | Summit Petroleum Inc | Twinsburg, OH 44087 | Oil & Gas Operator | Dec 2025 |
| 195 | Target Engery Corp | Brecksville, OH 44141 | Oil & Gas Operator | Dec 1992 |
| 196 | The East Ohio Gas Company Dba Enbridge Gas Ohio | North Canton, OH 44720 | Oil & Gas Operator | Dec 2025 |
| 197 | Tipka Energy Devlopment Company | New Philadelphi, OH 44663 | Oil & Gas Operator | Dec 2020 |
| 198 | Tipka William N | Dover, OH 44622 | Oil & Gas Operator | Dec 1988 |
| 199 | Titan Energy Corp | Thomasville, AL 36784 | Oil & Gas Operator | Aug 2009 |
| 200 | Titan Resources LTD | Limaville, OH 44640 | Oil & Gas Operator | Mar 2026 |