Oil & Gas Companies in Ohio
| Company Name | Company Location | Company Type | Most Recent Production |
|---|
| 1201 | Western Hemisphere Group | Buffalo, NY 14218 | Oil & Gas Operator | Dec 1993 |
| 1202 | Western Reserve Exp | Perry, OH 44081 | Oil & Gas Operator | Dec 2003 |
| 1203 | Western Resources{Wva}Inc | Chantilly, VA 22022 | Oil & Gas Operator | Dec 1994 |
| 1204 | Wheeler Michael D | Newark, OH 43055 | Oil & Gas Operator | Dec 2025 |
| 1205 | Whidbey Resources Inc | Streetsboro, OH 44241 | Oil & Gas Operator | Dec 2016 |
| 1206 | Whitacre Enterprises Inc | Graysville, OH 45734 | Oil & Gas Operator | Dec 2021 |
| 1207 | White Energy Inc | Berlin Center, OH 44401 | Oil & Gas Operator | Dec 2016 |
| 1208 | White J P | Rock Creek, OH 44084 | Oil & Gas Operator | Dec 1989 |
| 1209 | Whited Roger (Dba Patchwork Oil & Gas LLC) | Davisville, WV 26142 | Oil & Gas Operator | Dec 2024 |
| 1210 | Whitetail Crude Inc | Ness City, KS 67560 | Oil & Gas Operator | May 2026 |
| 1211 | Whitnam Oil & Gas Corp. | Glenville, WV 26351 | Oil & Gas Operator | Dec 2009 |
| 1212 | Whitney Thomas C | Danville, OH 43014 | Oil & Gas Operator | Dec 2024 |
| 1213 | Wilkes Energy Inc | Akron, OH 44308 | Oil & Gas Operator | Dec 2022 |
| 1214 | Willey George | Newark, OH 43058 | Oil & Gas Operator | Dec 2025 |
| 1215 | William S Miller Inc | Hanoverton, OH 44423 | Oil & Gas Operator | Dec 2025 |
| 1216 | Williamson Oil And Gas LLC | Lower Salem, OH 45745 | Oil & Gas Operator | Dec 2025 |
| 1217 | Wilson Energy LLC | Marietta, OH 45750 | Oil & Gas Operator | Dec 2025 |
| 1218 | Wilson Jay - Azog Inc | Malta, OH 43758 | Oil & Gas Operator | Dec 2025 |
| 1219 | Wilson Petroleum Corp | Westerville, OH 43081 | Oil & Gas Operator | Dec 2000 |
| 1220 | Windsor Associates Inc | Fairlawn, OH 44333-4006 | Oil & Gas Operator | Dec 2012 |
| 1221 | Winston Oil Co | Marietta, OH 45750 | Oil & Gas Operator | Jun 2026 |
| 1222 | Wiser Oil Co | Denver, CO 80202 | Oil & Gas Operator | Dec 2023 |
| 1223 | Witco Corporation | Newark, OH 43055 | Oil & Gas Operator | Dec 1995 |
| 1224 | Witlicki Richard | Jefferson, OH 44047 | Oil & Gas Operator | Dec 2015 |
| 1225 | WM Oil & Gas Inc | Canton, OH 44721 | Oil & Gas Operator | Dec 2018 |
| 1226 | WNT Operating Inc | Dover, OH 44622 | Oil & Gas Operator | Dec 2001 |
| 1227 | Wolfe Oil | Bremen, OH 43107 | Oil Operator | Dec 2025 |
| 1228 | Wolford Ben & Bonnie | Frazeysburg, OH 43822 | Oil Operator | Dec 2016 |
| 1229 | Wood Charles L | Akron, OH 44320 | Oil & Gas Operator | Dec 1990 |
| 1230 | Wood Donald E | Independence, KS 67301 | Oil & Gas Operator | Dec 2025 |
| 1231 | Woodyard Drilling | Chesterhill, OH 43728 | Oil & Gas Operator | Dec 2016 |
| 1232 | Worthington Oil Co Inc | Worthington, OH 43085 | Oil & Gas Operator | Dec 1989 |
| 1233 | Wray-Vernau Partnership | Newark, OH 43055 | Oil & Gas Operator | Dec 1988 |
| 1234 | WRP Energy Inc | Canfield, OH 44406 | Oil & Gas Operator | Dec 2017 |
| 1235 | Wyant Exploration Co | Pomeroy, OH 45769 | Oil & Gas Operator | Dec 2025 |
| 1236 | Wynn Oil Co | Marietta, OH 45750 | Oil & Gas Operator | Dec 1998 |
| 1237 | XTO Energy Inc. | Spring, TX 77389 | Oil & Gas Operator | Sep 2026 |
| 1238 | Yei Inc | Columbus, OH 43214 | Oil & Gas Operator | Dec 1988 |
| 1239 | Yoder Darrell Dba Double "D" | Dayton, OH 45458 | Oil & Gas Operator | Dec 2015 |
| 1240 | Yontz James | Jerusalem, OH 43747 | Oil & Gas Operator | Dec 2018 |
| 1241 | Zenith Exploration Co Inc | Washington, PA 15301 | Oil & Gas Operator | Dec 2014 |
| 1242 | Zenith Oil & Gas Inc | MT Gilead, OH 43338 | Oil & Gas Operator | Dec 1999 |
| 1243 | Zilkha Energy Inc | Houston, TX 77002-5223 | Oil & Gas Operator | Dec 2008 |
| 1244 | Zink Petroleum Corp | Uniontown, OH 44685 | Oil & Gas Operator | Dec 1993 |
| 1245 | Zoran Oil & Gas Co | Jefferson, OH 44047 | Oil & Gas Operator | Dec 2025 |
Production numbers shown above are only for Ohio and for the production period listed.