| 201 | T.W. Oil LLC | Fordsville, KY 42343 | Oil & Gas Operator | Dec 2024 |
| 202 | Target Engery Corp | Brecksville, OH 44141 | Oil & Gas Operator | Dec 1992 |
| 203 | Temple Oil & Gas Co | Crooksville, OH 43731 | Oil & Gas Operator | Dec 2023 |
| 204 | Tipka Energy Devlopment Company | New Philadelphi, OH 44663 | Oil & Gas Operator | Dec 2020 |
| 205 | Tipka William N | Dover, OH 44622 | Oil & Gas Operator | Dec 1988 |
| 206 | Titan Energy Corp | Thomasville, AL 36784 | Oil & Gas Operator | Aug 2009 |
| 207 | Titan Resources LTD | Limaville, OH 44640 | Oil & Gas Operator | Feb 2025 |
| 208 | Torent Oil & Gas Co | Canfield, OH 44406 | Oil & Gas Operator | Dec 2001 |
| 209 | Transcontinental Oil & Gas Inc | Aurora, OH 44202 | Oil & Gas Operator | Dec 2024 |
| 210 | Transfuel Resources Co | Houston, TX 77215 | Oil & Gas Operator | Aug 2013 |
| 211 | Twinoaks Oil & Gas Co | Newark, OH 43058-0764-0764 | Oil & Gas Operator | Dec 2024 |
| 212 | Unknown Owner | Columbus, OH 43229 | Oil & Gas Operator | Dec 2008 |
| 213 | Us Energy Oh LLC | Rural Valley, PA 16249 | Oil & Gas Operator | Dec 2024 |
| 214 | Vanguard Oil & Gas LLC | East Lansing, MI 48826 | Oil & Gas Operator | Dec 2024 |
| 215 | Vaught Bill D Dba Vaught Oil Company | Akron, OH 44319 | Oil & Gas Operator | Dec 2023 |
| 216 | Viking Resources LLC | Uniontown, OH 44685 | Oil & Gas Operator | Dec 2017 |
| 217 | Waldron David A | Wooster, OH 44691 | Oil & Gas Operator | Dec 2003 |
| 218 | Waterco Inc | Wooster, OH 44691 | Oil & Gas Operator | Dec 2000 |
| 219 | Wayne Hammond Enterprises Inc | Bolivar, OH 44612-0488-0488 | Oil & Gas Operator | Dec 2022 |
| 220 | Weinsz Oil & Gas Inc | North Canton, OH 44720 | Oil & Gas Operator | Dec 2003 |
| 221 | Western Resources{Wva}Inc | Chantilly, VA 22022-595-595 | Oil & Gas Operator | Dec 1994 |
| 222 | White Energy Inc | Berlin Center, OH 44401 | Oil & Gas Operator | Dec 2016 |
| 223 | William S Miller Inc | Hanoverton, OH 44423 | Oil & Gas Operator | Dec 2024 |
| 224 | WM Oil & Gas Inc | Canton, OH 44721 | Oil & Gas Operator | Dec 2018 |
| 225 | WNT Operating Inc | Dover, OH 44622 | Oil & Gas Operator | Dec 2001 |
| 226 | Wood Charles L | Akron, OH 44320 | Oil & Gas Operator | Dec 1990 |
| 227 | WRP Energy Inc | Canfield, OH 44406 | Oil & Gas Operator | Dec 2017 |
| 228 | Yei Inc | Columbus, OH 43214 | Oil & Gas Operator | Dec 1988 |