| 101 | D And B Brine Inc | | Oil Operator | Apr 2026 |
| 102 | D T E Gas And Oil Co | | Gas Operator | May 2007 |
| 103 | D T E Gas Company | | Oil & Gas Operator | Jun 1999 |
| 104 | Dart Oil & Gas Corporation | Mason, MI 48854 | Oil & Gas Operator | Jun 2018 |
| 105 | Deep River Energy LLC | | Oil Operator | Dec 2025 |
| 106 | Dejong John B | | Oil Operator | Dec 2025 |
| 107 | Delta Oil Co Inc | | Oil & Gas Operator | Oct 2023 |
| 108 | Delta Oil Co Inc And Great Lakes Niagaran | | Oil & Gas Operator | Dec 1987 |
| 109 | Deni Frank R | | Oil Operator | Dec 2022 |
| 110 | Devonian Energy Inc | | Gas Operator | Jun 2025 |
| 111 | Devonian Energy Inc And Muzyl Oil Corp | | Oil & Gas Operator | Aug 1999 |
| 112 | Diamond Petroleum LLC | | Oil & Gas Operator | Dec 2005 |
| 113 | Dixon Exploration Inc | Abilene, TX 79604 | Oil & Gas Operator | Oct 2019 |
| 114 | Dome Petroleum Corp | Denver, CO 80202 | Oil & Gas Operator | Dec 2016 |
| 115 | Dominion Midwest Energy Inc | | Oil & Gas Operator | Dec 2007 |
| 116 | Dominion Natural Resources LLC | Dallas, TX 75367 | Oil & Gas Operator | Jun 2026 |
| 117 | Don Yohe Enterprises And Devonian Energy Inc | | Gas Operator | Dec 1999 |
| 118 | Don Yohe Enterprises Inc. | Armada, MI 48005 | Oil & Gas Operator | Apr 2018 |
| 119 | Duff Oil Co | | Oil & Gas Operator | Aug 2000 |
| 120 | Duncan Oil Inc | Denver, CO 80210 | Oil & Gas Operator | Jun 2016 |
| 121 | Dykstra Tile Co LLC | | Oil Operator | Apr 2002 |
| 122 | Dynamic Development Inc | | Oil & Gas Operator | Feb 2026 |
| 123 | Eishen, Rosalie; Eishen, Eric; And Pray, Leonore | | Oil & Gas Operator | Dec 2025 |
| 124 | Elek Aaron III | | Oil Operator | Jul 2005 |
| 125 | Elek Aaron III Estate | | Oil Operator | Feb 2015 |
| 126 | Encana Oil & Gas (USA) Inc. | Denver, CO 80202 | Oil & Gas Operator | Oct 2020 |
| 127 | Energex Petroleum Inc | | Oil Operator | Sep 2019 |
| 128 | Energy Acquisition Corp And Weitzman Irvin | | Oil & Gas Operator | Dec 2003 |
| 129 | Energy Acquisition Corp W W Energy Weitzman Irvin | | Oil & Gas Operator | Jun 2016 |
| 130 | Energy Producers Inc | | Oil Operator | Nov 1989 |
| 131 | Enervest Operating LLC | Houston, TX 77002 | Oil & Gas Operator | Jun 2026 |
| 132 | Environmental Soil Recovery LTD | | Oil Operator | Mar 2026 |
| 133 | Eps Resources Corp | Englewood, CO 80111 | Oil & Gas Operator | Dec 2009 |
| 134 | Exxon Corporation | Houston, TX 77210 | Oil & Gas Operator | Jan 2026 |
| 135 | Exxonmobil Oil Corp | Houston, TX 77210 | Oil & Gas Operator | Mar 2026 |
| 136 | F P I Antrim One Inc | | Gas Operator | Nov 1991 |
| 137 | Fair Energies Inc | | Oil Operator | Mar 2026 |
| 138 | Fairway Petroleum Inc | Stafford, TX 77497 | Oil & Gas Operator | Nov 2001 |
| 139 | Federal Oil & Gas - Rood L L C | | Oil & Gas Operator | Feb 2026 |
| 140 | Federated Natural Resources Corp | | Oil & Gas Operator | Oct 1989 |
| 141 | Federated Natural Resources Corp And Fede | | Oil & Gas Operator | Feb 1989 |
| 142 | Federated Oil And Gas Properties Inc | | Oil & Gas Operator | Apr 2026 |
| 143 | Finders Co And Sullivan And Co | | Oil & Gas Operator | May 1987 |
| 144 | Finders Co The | | Oil & Gas Operator | Jan 1998 |
| 145 | Fisher McCall Oil And Gas Inc | | Oil Operator | Dec 2014 |
| 146 | Fleeharty Willie W | | Oil & Gas Operator | Jun 1991 |
| 147 | Flynn Energy Corporation | Tulsa, OK 74137 | Oil & Gas Operator | Mar 1993 |
| 148 | Force Antrim Development Inc | | Gas Operator | Dec 1999 |
| 149 | Fortyfive Energy LLC | | Gas Operator | Mar 2026 |
| 150 | Fruehauf Antrim LP | | Gas Operator | Jan 2005 |
| 151 | Fruehauf H R Jr | | Gas Operator | Jan 2004 |
| 152 | Fruehauf Janet A Dba Top O Michigan Resources | | Gas Operator | Jan 2004 |
| 153 | G And H Producers Inc | | Oil Operator | Sep 2004 |
| 154 | G And S Exploration LLC | | Oil Operator | Mar 2016 |
| 155 | Gage Energy And Petroleum Revenue Service Inc | | Gas Operator | Dec 1992 |
| 156 | Gage Energy Inc | | Oil Operator | Nov 2015 |
| 157 | Gas Ventures LLC | Thermopolis, WY 82443 | Oil & Gas Operator | Oct 2020 |
| 158 | General Energy Resources And Technology Corp | | Oil & Gas Operator | Jan 1998 |
| 159 | General Exploration Inc | | Oil & Gas Operator | Aug 2001 |
| 160 | General Oil Company, Inc. | Wichita, KS 67213 | Oil & Gas Operator | Jun 2026 |
| 161 | Geoseis Inc | | Oil Operator | Oct 1988 |
| 162 | Getty Oil Company | Hays, KS 67601 | Oil & Gas Operator | Mar 2015 |
| 163 | Gibraltar Energy LLC | | Oil Operator | Dec 2025 |
| 164 | Ginger Oil | | Oil Operator | May 2026 |
| 165 | Glen Cain Inc | | Oil Operator | Dec 2025 |
| 166 | Global Associates Inc | | Oil & Gas Operator | Oct 1998 |
| 167 | Global Natural Resources | Houston, TX 77002 | Oil & Gas Operator | Dec 1999 |
| 168 | Golden Petroleum Corp And Black River Oil Corp | | Oil & Gas Operator | May 2016 |
| 169 | Goodale Enterprises LLC | | Oil & Gas Operator | Apr 2026 |
| 170 | Goodale Jack | | Oil & Gas Operator | Apr 2026 |
| 171 | Gorlewski Resources LLC And C-More Production LLC | | Oil Operator | Jan 2026 |
| 172 | Gout Margaret M Dba Lakeville Gas Associates | | Oil & Gas Operator | Dec 2003 |
| 173 | Great Lakes Niagaran Inc | | Oil & Gas Operator | Mar 1988 |
| 174 | Great Lakes Petroleum Producers Inc | | Oil Operator | Apr 2026 |
| 175 | Greenland Operating LLC | | Oil Operator | Mar 2026 |
| 176 | Guest Petroleum Incorporated | Edmond, OK 73013 | Oil & Gas Operator | Apr 2026 |
| 177 | Gunner Energy Corp. | Troy, MI 48083 | Oil & Gas Operator | Jun 1995 |
| 178 | Guthrie Clare L And June | | Oil Operator | Nov 2021 |
| 179 | H And H Star Energy Inc Dba Petrostar Energy | | Oil & Gas Operator | Feb 2004 |
| 180 | H And K Resources Inc | | Oil Operator | Dec 2012 |
| 181 | H L Brown Operating LLC | Midland, TX 79702 | Oil & Gas Operator | Dec 2025 |
| 182 | H R F Antrim LP | | Gas Operator | Apr 2026 |
| 183 | Haischer James W Dba Haischer James W And Assoc | | Oil & Gas Operator | Dec 2001 |
| 184 | Halex Inc | | Oil & Gas Operator | Nov 1988 |
| 185 | Hardy And Hardy Consulting LLC | | Oil & Gas Operator | Mar 2026 |
| 186 | Harry & Joyce Stephens Trust | | Oil Operator | Mar 2026 |
| 187 | Hart Energy LLC | | Oil Operator | Feb 2026 |
| 188 | Hasso Energy LLC | | Oil & Gas Operator | Feb 2026 |
| 189 | Hawkins Oil Of Michigan Inc | | Oil & Gas Operator | Aug 2003 |
| 190 | Heat Controller Inc | Jackson, MI 49204 | Oil & Gas Operator | Dec 1996 |
| 191 | Henry Sappington Machine & Tool Dba Henry Sappingt | | Oil Operator | Oct 2017 |
| 192 | Highmount Midwest Energy LLC | | Oil & Gas Operator | Sep 2011 |
| 193 | Hilden Oil Co Inc | | Oil & Gas Operator | Oct 2024 |
| 194 | Hobson Petroleum Corp | | Oil & Gas Operator | Sep 1991 |
| 195 | Hope Oil Corporation | | Oil Operator | Mar 2026 |
| 196 | Hound Resources LLC | | Oil & Gas Operator | Apr 2026 |
| 197 | House Thomas J | | Oil Operator | Jun 2026 |
| 198 | Houseknecht Oil Producers Inc | | Oil & Gas Operator | Dec 1994 |
| 199 | Howard Energy Co Inc | | Oil & Gas Operator | Aug 2011 |
| 200 | Hoy Production LLC | | Gas Operator | Mar 2026 |