| 101 | Leslie Oil & Gas Co Inc | Zanesville, OH 43701 | Oil & Gas Operator | Dec 1991 |
| 102 | Levengood Oil & Gas(Us)In | Dover, OH 44621-2900 | Oil & Gas Operator | Dec 1997 |
| 103 | Loma Enterprises Inc | Cortland, OH 44410 | Oil & Gas Operator | Dec 1998 |
| 104 | Lynn Riggs LLC | Sebring, OH 44672 | Oil & Gas Operator | Dec 2025 |
| 105 | M & M Royalty LTD | North Canton, OH 44720 | Oil & Gas Operator | Dec 2016 |
| 106 | M & R Investments Ohio LLC | Birmingham, AL 35238 | Oil & Gas Operator | Dec 2019 |
| 107 | Moore Well Services Inc | Mogadore, OH 44260 | Oil & Gas Operator | Dec 2025 |
| 108 | Morain Coating & Construc | Niles, OH 44446 | Oil & Gas Operator | Dec 1997 |
| 109 | NCL Natural Resources LLC | Spring, TX 77381-5261 | Oil & Gas Operator | Dec 2017 |
| 110 | Noble Oil Corp | Columbus, OH 43229 | Oil & Gas Operator | Dec 1996 |
| 111 | Northeastern Energy | Warren, OH 44484 | Oil & Gas Operator | Dec 1991 |
| 112 | Northwood Energy Corp | Columbus, OH 43221 | Oil & Gas Operator | Jun 2026 |
| 113 | Nucomer Energy LLC | Erie, PA 16510 | Oil & Gas Operator | May 2026 |
| 114 | Ohio L & M Company Inc | Marietta, OH 45750 | Oil & Gas Operator | Dec 2008 |
| 115 | Ohio Oil & Gas | Fowler, OH 44418 | Oil & Gas Operator | Dec 1988 |
| 116 | Ohio Valley Energy Systems Corp | Austintown, OH 44515 | Oil & Gas Operator | Dec 2025 |
| 117 | Ows Acquisition Co LLC | Louisville, OH 44641 | Oil & Gas Operator | Dec 2025 |
| 118 | Oxford Oil | Zanesville, OH 43702 | Oil & Gas Operator | Dec 2012 |
| 119 | P & S Energy Inc | Mineral Ridge, OH 44440 | Oil & Gas Operator | Dec 2019 |
| 120 | Pac Drilling LLC | Bolivar, OH 44612 | Oil & Gas Operator | Dec 2025 |
| 121 | Parker Hannifin Corporation | Ravenna, OH 44266 | Oil & Gas Operator | Dec 2025 |
| 122 | Parrot Energy Company | Cortland, OH 44410 | Oil & Gas Operator | Dec 2025 |
| 123 | Partners Petroleum Inc | Independence, OH 44131 | Oil & Gas Operator | Dec 1988 |
| 124 | Petro Drilling Corp | Columbus, OH 43229 | Oil & Gas Operator | Dec 1993 |
| 125 | Petrox, Inc | Streetsboro, OH 44241 | Oil & Gas Operator | Dec 2025 |
| 126 | Pettigrew Pumping Service Inc | Ravenna, OH 44266 | Oil & Gas Operator | Dec 2025 |
| 127 | Pin Oak Energy Partners LLC | Akron, OH 44311 | Oil & Gas Operator | Jun 2026 |
| 128 | Pin Oak Petroleum Inc | Dallas, TX 75251 | Oil & Gas Operator | Dec 1989 |
| 129 | Pioneer Resources Inc | Phillipsburg, KS 67661 | Oil & Gas Operator | Oct 2020 |
| 130 | Pipes Pursie E | MT Vernon, IL 62864 | Oil & Gas Operator | Dec 2014 |
| 131 | Portage Resources Inc | Warren, OH 44484 | Oil & Gas Operator | Dec 2015 |
| 132 | Power Gas Marketing & Trans | Akron, OH 44311-1057 | Oil & Gas Operator | Dec 2005 |
| 133 | Power Resour Oper Co Inc | Canton, OH 44718 | Oil & Gas Operator | Dec 2005 |
| 134 | Range Operating Company | Fort Worth, TX 76102 | Oil & Gas Operator | Apr 2000 |
| 135 | Range Resources Appalachia LLC | Canonsburg, PA 15317 | Oil & Gas Operator | Jun 2026 |
| 136 | Ray Pander Trucking Inc | Bolivar, OH 44612 | Oil & Gas Operator | Dec 1998 |
| 137 | Resource America Inc | Uniontown, OH 44685 | Oil & Gas Operator | Dec 2011 |
| 138 | Rmi Company | Niles, OH 44446 | Oil & Gas Operator | Dec 1984 |
| 139 | Royal Petroleum Prop Inc | Woodville, OH 43469 | Oil & Gas Operator | Dec 1990 |
| 140 | Sabre Energy Corporation | Lore City,, OH 43755 | Oil & Gas Operator | Dec 2017 |
| 141 | Seagull Development Corp | Massillon, OH 44646-7436 | Oil & Gas Operator | Dec 2015 |
| 142 | Sound Energy Co Inc | Dover, OH 44622 | Oil & Gas Operator | Jun 2026 |
| 143 | Spiller, H. G. | San Antonio, TX 78213 | Oil & Gas Operator | Oct 1993 |
| 144 | Stryker Energy LLC | Mayfield VIllag, OH 44143 | Oil & Gas Operator | Dec 2018 |
| 145 | Summit Petroleum Inc | Twinsburg, OH 44087 | Oil & Gas Operator | Dec 2025 |
| 146 | Target Engery Corp | Brecksville, OH 44141 | Oil & Gas Operator | Dec 1992 |
| 147 | Tatco Petroleum Oper Inc | Canton, OH 44735 | Oil & Gas Operator | Dec 1989 |
| 148 | TGX Corporation | Houston, TX 77002 | Oil & Gas Operator | Sep 2004 |
| 149 | The East Ohio Gas Company Dba Enbridge Gas Ohio | North Canton, OH 44720 | Oil & Gas Operator | Dec 2025 |
| 150 | Thomas Steel Strip Corp | Warren, OH 44485 | Oil & Gas Operator | Dec 2025 |
| 151 | Tipka William N | Dover, OH 44622 | Oil & Gas Operator | Dec 1988 |
| 152 | Titan Energy Corp | Thomasville, AL 36784 | Oil & Gas Operator | Aug 2009 |
| 153 | Torent Oil & Gas Co | Canfield, OH 44406 | Oil & Gas Operator | Dec 2001 |
| 154 | Transfuel Resources Co | Houston, TX 77215 | Oil & Gas Operator | Aug 2013 |
| 155 | Trumbull Resources | Mineral Ridge, OH 44440 | Oil & Gas Operator | Dec 2016 |
| 156 | Twinoaks Oil & Gas Co | Newark, OH 43058 | Oil & Gas Operator | Dec 2025 |
| 157 | Us Energy Oh LLC | Rural Valley, PA 16249 | Oil & Gas Operator | Dec 2025 |
| 158 | Vanguard Oil & Gas Co., LTD. | Frankfort, OH 49635 | Oil & Gas Operator | Dec 2025 |
| 159 | Viking Resources LLC | Uniontown, OH 44685 | Oil & Gas Operator | Dec 2017 |
| 160 | Waldron David A | Wooster, OH 44691 | Oil & Gas Operator | Dec 2003 |
| 161 | Waterco Inc | Wooster, OH 44691 | Oil & Gas Operator | Dec 2000 |
| 162 | Wayne Hammond Enterprises Inc | Bolivar, OH 44612 | Oil & Gas Operator | Dec 2025 |
| 163 | Weinsz Oil & Gas Inc | North Canton, OH 44720 | Oil & Gas Operator | Dec 2003 |
| 164 | Western Hemisphere Group | Buffalo, NY 14218 | Oil & Gas Operator | Dec 1993 |
| 165 | White J P | Rock Creek, OH 44084 | Oil & Gas Operator | Dec 1989 |
| 166 | Wilkes Energy Inc | Akron, OH 44308 | Oil & Gas Operator | Dec 2022 |
| 167 | William S Miller Inc | Hanoverton, OH 44423 | Oil & Gas Operator | Dec 2025 |
| 168 | WNT Operating Inc | Dover, OH 44622 | Oil & Gas Operator | Dec 2001 |
| 169 | Yei Inc | Columbus, OH 43214 | Oil & Gas Operator | Dec 1988 |