| 101 | Babcock Ronald W | Newark, OH 43055 | Oil & Gas Operator | Dec 2019 |
| 102 | Baird Bros Sawmill Inc | Canfield, OH 44406 | Oil & Gas Operator | Dec 2012 |
| 103 | Baird Family Limited Partnership | Canfield, OH 44406 | Oil & Gas Operator | Dec 2024 |
| 104 | Baker Oil & Gas | St Louisville, OH 43071 | Oil & Gas Operator | Sep 2014 |
| 105 | Baker Oil Co | Leitchfield, KY 42754 | Oil & Gas Operator | Dec 2023 |
| 106 | Baker Roscoe | Killbuck, OH 44637 | Oil & Gas Operator | Dec 2000 |
| 107 | Bakerwell Inc | Killbuck, OH 44637 | Oil & Gas Operator | Dec 2024 |
| 108 | Ball Resources Inc | Alliance, OH 44601 | Oil & Gas Operator | Dec 2001 |
| 109 | Bancequity Petroleum Corporation | Macedonia, OH 44056 | Oil & Gas Operator | Dec 2024 |
| 110 | Bands Company Inc | Millersburg, OH 44654 | Oil & Gas Operator | Dec 2014 |
| 111 | Bands Group LLC | Millersburg, OH 44654 | Oil & Gas Operator | Dec 2023 |
| 112 | Bar Val | Wadsworth, OH 44281 | Oil & Gas Operator | Dec 1998 |
| 113 | Bar-G Oil & Gas | New Concord, OH 43762 | Oil & Gas Operator | Dec 2016 |
| 114 | Barb Oil Co | Gambier, OH 43022 | Oil & Gas Operator | Dec 1986 |
| 115 | Barclay Petroleum Inc | Bremen, OH 43107 | Oil & Gas Operator | Dec 2017 |
| 116 | Basin Enterprises Inc | Westerville, OH 43081 | Gas Operator | Dec 1986 |
| 117 | Bass Energy Co Inc | Richfield, OH 44286 | Oil & Gas Operator | Dec 2024 |
| 118 | Bateman Frank | Lancaster, OH 43130 | Oil & Gas Operator | Dec 1995 |
| 119 | Bates Lew Jr | Lewis Center, OH 43035 | Oil & Gas Operator | Dec 2002 |
| 120 | Bates Oil & Gas Inc | Worthington, OH 43085 | Oil & Gas Operator | Dec 1992 |
| 121 | Bauman MH Trust | Columbus, OH 43227 | Oil & Gas Operator | Dec 1985 |
| 122 | BCP Energy Inc | Cleveland, OH 44115 | Oil & Gas Operator | Dec 1993 |
| 123 | Beardmore Oil & Gas Co | Vincent, OH 45784 | Oil & Gas Operator | Dec 2024 |
| 124 | Beaver Oil Company Inc | New Matamoras, OH 45767 | Oil & Gas Operator | Dec 2020 |
| 125 | Beck Energy Corporation | Ravenna, OH 44266 | Oil & Gas Operator | Dec 2024 |
| 126 | Beck Oil & Gas Inc. | Ravenna, OH 44266 | Oil & Gas Operator | Dec 2024 |
| 127 | Befco Inc | Wooster, OH 44691 | Oil & Gas Operator | Dec 1993 |
| 128 | Beisser Agnes Gas & Oil | Zanesville, OH 43701 | Oil & Gas Operator | Dec 1996 |
| 129 | Belden & Blake Corporation | North Canton, OH 44720 | Oil & Gas Operator | Dec 2016 |
| 130 | Belden Brick Co LLC, The | Sugar Creek, OH 44681 | Oil & Gas Operator | Dec 2024 |
| 131 | Bell Drilling & Prod Co | Logan, OH 43138 | Oil & Gas Operator | Dec 1997 |
| 132 | Bell John E & Sons | Bremen, OH 43107 | Oil & Gas Operator | Dec 1998 |
| 133 | Bell Oil | Junction City, OH 43748 | Oil & Gas Operator | Dec 2024 |
| 134 | Belvoir Energy Inc. | University Heights, OH 44118-3818 | Oil & Gas Operator | Dec 2017 |
| 135 | Benatty Corp., The | Cambridge, OH 43725-1002 | Oil & Gas Operator | Dec 1996 |
| 136 | Benedum Paul G Jr | Pittsburgh, PA 15222 | Oil & Gas Operator | Dec 1998 |
| 137 | Benjamin Smeltzer Company | Newport, OH 45768 | Oil & Gas Operator | Dec 2024 |
| 138 | Berea Oil & Gas Corp | Buffalo, NY 14202 | Oil & Gas Operator | Dec 2002 |
| 139 | Berresford Enterprises In | Akron, OH 44311 | Oil & Gas Operator | Dec 1994 |
| 140 | Berry James E | Cambridge, OH 43725 | Oil & Gas Operator | Dec 1996 |
| 141 | Bertram Paul G Jr | Marietta, OH 45750 | Oil & Gas Operator | Dec 1992 |
| 142 | Berwell Energy Inc | Columbus, OH 43221 | Oil & Gas Operator | Dec 1987 |
| 143 | Bethel Oil & Gas Co | Marietta, OH 45750-6710 | Oil & Gas Operator | Dec 2019 |
| 144 | Bethel Oil And Gas LLC | Marietta, OH 45750 | Oil & Gas Operator | Dec 2024 |
| 145 | Beucler Brothers Inc | Dellroy, OH 44620 | Oil & Gas Operator | Dec 2020 |
| 146 | Beveridge Patricia C | Woodsfield, OH 43793 | Oil & Gas Operator | Dec 2024 |
| 147 | Bi Joe Development Inc | Columbus, OH 43220 | Oil & Gas Operator | Dec 2024 |
| 148 | Big Sky Energy Inc | New Concord, OH 43762 | Oil & Gas Operator | Dec 2024 |
| 149 | Biggs Jerrold L | Newark, OH 43055 | Oil & Gas Operator | Dec 2024 |
| 150 | BKK Prospecting LTD | Warren, OH 44481 | Oil & Gas Operator | Dec 1991 |
| 151 | Black Mountain Petroleum | Mogadore, OH 44260 | Oil & Gas Operator | Dec 2024 |
| 152 | Black River Petroleum Inc | Akron, OH 44334-8548 | Oil & Gas Operator | Dec 1992 |
| 153 | Blair Bill Inc | New Springfield, OH 44443 | Oil & Gas Operator | Dec 1994 |
| 154 | Blauser Energy Corporation | Marietta, OH 45750-6964 | Oil & Gas Operator | Dec 2018 |
| 155 | Blaze Oil & Gas Inc | Wooster, OH 44691 | Oil & Gas Operator | Dec 2024 |
| 156 | Blu Oil Inc | Fairlawn, OH 44334 | Oil & Gas Operator | Dec 2024 |
| 157 | Blubaugh David | Danville, OH 43014 | Oil & Gas Operator | Dec 2007 |
| 158 | Bobcat Well & Pipeline LLC | Canfield, OH 44406 | Oil & Gas Operator | Dec 2021 |
| 159 | Bocor Holdings LLC | North Canton, OH 44720 | Oil & Gas Operator | Dec 2024 |
| 160 | Bootstrap Inc | Columbus, OH 43227 | Oil & Gas Operator | Dec 1991 |
| 161 | Bossow Oil MGMT Inc | Garrettsville, OH 44231 | Oil & Gas Operator | Dec 1997 |
| 162 | Bottom Line Prod Inc | Cleveland, OH 44106 | Oil & Gas Operator | Dec 1990 |
| 163 | Bower Oil & Gas LLC | Uhrichsville, OH 44683 | Oil & Gas Operator | Dec 2023 |
| 164 | Bowers Rodger V | New Lexington, OH 43764 | Oil & Gas Operator | Dec 1997 |
| 165 | Bowersock Daryl | Wingett Run, OH 45789 | Oil & Gas Operator | Dec 2024 |
| 166 | Bowling Frank L & Jane C | Circleville, OH 43113 | Oil Operator | Dec 2024 |
| 167 | Boyas Excavating Inc | Valley VIew, OH 44125-4247 | Oil & Gas Operator | Dec 2005 |
| 168 | BP America Production Company | Denver, CO 80202 | Oil & Gas Operator | Nov 2025 |
| 169 | Bradco Energy Inc | Zanesville, OH 43701 | Oil & Gas Operator | Dec 2018 |
| 170 | Braden Development Co | Marietta, OH 45750 | Oil & Gas Operator | Dec 1990 |
| 171 | Brady Resources, Inc. | Bridgeport, WV 26330-1320 | Oil & Gas Operator | Dec 2008 |
| 172 | Bralko Energy Inc | Rock Creek, OH 44084 | Oil & Gas Operator | Dec 1987 |
| 173 | Brammer Engineering, Inc. | Shreveport, LA 71101 | Oil & Gas Operator | Feb 2026 |
| 174 | Branney Operating Co Inc | Uniontown, OH 44685 | Oil & Gas Operator | Dec 1995 |
| 175 | Brasel R Gene | Middleport, OH 45760 | Oil & Gas Operator | Dec 2015 |
| 176 | Bratton Energy | Danville, OH 43014 | Oil & Gas Operator | Dec 2024 |
| 177 | Briarwood Energy Co | Akron, OH 43334 | Oil & Gas Operator | Dec 1996 |
| 178 | Bridge Oil Development | San Antonio, TX 78209-1181 | Oil & Gas Operator | Dec 1986 |
| 179 | Bridgestone/Firestone Inc | Akron, OH 44317 | Oil & Gas Operator | Dec 2022 |
| 180 | Brilex LLC | Millersburg, OH 44654 | Oil & Gas Operator | Dec 2024 |
| 181 | Briswell Co | Warren, OH 44484 | Oil & Gas Operator | Dec 2024 |
| 182 | Broad Street Energy Company | Columbus, OH 43204 | Oil & Gas Operator | Dec 2014 |
| 183 | Broad Street Serv LLC | Columbus, OH 43204 | Oil & Gas Operator | Dec 2014 |
| 184 | Brock Energy Corp | Houston, TX 77002 | Oil & Gas Operator | Jun 1986 |
| 185 | Bromley Harold J | Thornville, OH 43076 | Oil Operator | Dec 2024 |
| 186 | Brook Valley Oil & Gas Inc | Dayton, OH 45419 | Oil & Gas Operator | Dec 2014 |
| 187 | Broughton Brothers Inc | Marietta, OH 45750 | Oil & Gas Operator | Dec 2010 |
| 188 | Broughton Carl L | Marietta, OH 45750 | Oil & Gas Operator | Dec 1998 |
| 189 | Broughton Foods Co | Marietta, OH 45750 | Oil & Gas Operator | Dec 2010 |
| 190 | Brown Gregory L Co Inc | Houston, TX 77056 | Oil & Gas Operator | Dec 1991 |
| 191 | Brown Phillip H Jr. Corporatio | Lowell, OH 45744 | Oil & Gas Operator | Dec 2002 |
| 192 | Broy Limited Inc | Millersburg, OH 44654 | Oil & Gas Operator | Dec 2017 |
| 193 | Buckeye Crude Expl Inc | Columbus, OH 43216-2671 | Oil & Gas Operator | Dec 1987 |
| 194 | Buckeye Energy Resources | Zanesville, OH 43702-1190 | Oil & Gas Operator | Dec 1995 |
| 195 | Buckeye Franklin Co | Zoarville, OH 44656 | Oil & Gas Operator | Dec 1996 |
| 196 | Buckeye Knoll Farm | Lakewood, OH 44107 | Oil & Gas Operator | Dec 1991 |
| 197 | Buckeye Oil Producing Co. | Wooster, OH 44691-129 | Oil & Gas Operator | Dec 2024 |
| 198 | Bullitt Energy LLC | Marietta, OH 45750-5317 | Oil & Gas Operator | Dec 2024 |
| 199 | Burdette Robert S | Pomeroy, OH 45769 | Oil Operator | Dec 2024 |
| 200 | Burke Michael | Coolsville, OH 45723 | Oil & Gas Operator | Dec 2024 |