| 101 | Gadeco, LLC | | Oil & Gas Operator | Oct 2025 |
| 102 | Gadsco Inc | Ardmore, OK 73402 | Gas Operator | Jun 2013 |
| 103 | Gaea Services, Inc. | San Antonio, TX 78216 | Oil & Gas Operator | Sep 2021 |
| 104 | Gaedeke Oil & Gas Operating, LLC | Dallas, TX 75219 | Oil & Gas Operator | Sep 2023 |
| 105 | Gaeton Oil & Gas Corp. | Derby, CT 06418 | Oil & Gas Operator | Jun 1998 |
| 106 | Gage Energy And Petroleum Revenue Service Inc | | Gas Operator | Dec 1992 |
| 107 | Gage Energy Inc | | Oil Operator | Nov 2015 |
| 108 | Gage Energy, LLC | | Oil Operator | Sep 2019 |
| 109 | Gage, Charles J. | Forestville, NY 14062 | Gas Operator | Dec 2024 |
| 110 | Gage, H. L. | Windthorst, TX 76389 | Oil & Gas Operator | May 2005 |
| 111 | Gager, Sally | Hays, KS 67601 | Oil Operator | Feb 1998 |
| 112 | Gago, Inc. | Graham, TX 76450 | Oil & Gas Operator | Dec 2025 |
| 113 | Gai-Jin Trading Company LLC | Oklahoma City, OK 73107 | Oil & Gas Operator | Sep 2024 |
| 114 | Gaia Exploration LLC | Cumberland, OH 43732-9760 | Oil & Gas Operator | Dec 2023 |
| 115 | Gainer, Phillip L | Fort Myers, FL 33908 | Oil & Gas Operator | Dec 2021 |
| 116 | Gaines Energy, L.L.C. | | Oil & Gas Operator | Feb 2015 |
| 117 | Gaines Operating, LLC | Austin, TX 78746 | Oil & Gas Operator | Dec 2025 |
| 118 | Gaines, Franklin D. | Augusta, KS 67010 | Oil Operator | Sep 2001 |
| 119 | Gaither Petroleum Corporation | Katy, TX 77493 | Oil & Gas Operator | Dec 2025 |
| 120 | Gala Resources, LTD. | Graham, TX 76450 | Oil & Gas Operator | Aug 2025 |
| 121 | Galati Enterprises Inc | Jamestown, NY 14701-9358 | Oil & Gas Operator | Dec 2018 |
| 122 | Galaxy Energy Inc. | Stigler, OK 74462 | Gas Operator | Feb 2025 |
| 123 | Galaxy Oil | | Oil & Gas Operator | Oct 2025 |
| 124 | Galaxy Oil Company | Wichita Falls, TX 76307 | Oil & Gas Operator | Mar 2015 |
| 125 | Galbraith, Dallas S. | Abilene, TX 79601 | Oil & Gas Operator | Feb 1994 |
| 126 | Galemore Oil Co. | | Oil Operator | May 2025 |
| 127 | Galemore Oil Com | | Oil Operator | May 1991 |
| 128 | Galemore, John E. | Chanute, KS 66720 | Oil Operator | Sep 2001 |
| 129 | Galilee Oil Investments LLC | San Antonio, TX 78205 | Oil & Gas Operator | Dec 2025 |
| 130 | Galindo Brothers, Inc. | Alice, TX 78333 | Oil & Gas Operator | Dec 2025 |
| 131 | Gallagher Drilling Inc | Evansville, IN 47730 | Oil Operator | Dec 2020 |
| 132 | Gallagher Oil | Grandfalls, TX 79742 | Oil Operator | Apr 2025 |
| 133 | Gallagher T P | Boulder, CO 80303 | Oil Operator | Apr 2019 |
| 134 | Gallatin Fuels, Inc. | Uniontown, PA 15401-5513 | Oil & Gas Operator | Dec 2020 |
| 135 | Gallery Petroleum LLC | Houston, TX 77036 | Oil & Gas Operator | Dec 2025 |
| 136 | Gallo Petroleum, LLC | Colorado City, TX 79512 | Oil Operator | Dec 2025 |
| 137 | Galloway Drillin | | Oil Operator | Dec 1996 |
| 138 | Galloway Drilling Co., Inc. | Wichita, KS 67202 | Oil Operator | Nov 2009 |
| 139 | Galloway Energy Co. | Tomball, TX 77377 | Oil & Gas Operator | Dec 2025 |
| 140 | Galloway Lone Star, L.L.C. | Tomball, TX 77377 | Oil & Gas Operator | Dec 2025 |
| 141 | Galloway Petrole | | Oil Operator | Jun 1993 |
| 142 | Gallup City Oil, Inc. | Conrad, MT 59425 | Oil & Gas Operator | Mar 2011 |
| 143 | Gallup City Oil, LLC | Conrad, MT 59425 | Oil Operator | Aug 2025 |
| 144 | Gallwitz Ray Stephen | Walhonding, OH 43843 | Oil Operator | Dec 2024 |
| 145 | Galmor Steve Dba MSG Oil & Gas | Elk City, OK 73644 | Oil & Gas Operator | Aug 2015 |
| 146 | Galt Investment Company LLC | Tulsa, OK 74120-7412 | Oil Operator | Jun 2024 |
| 147 | Galt Oil & Gas, LLC | Pampa, TX 79065 | Oil & Gas Operator | Apr 2020 |
| 148 | Galt Petroleum, Inc. | Iowa Park, TX 76367 | Oil Operator | Dec 2025 |
| 149 | Galveston Bay Energy, LLC | Spring, TX 77386 | Oil & Gas Operator | Jul 2017 |
| 150 | Galveston Bay Operating Co LLC | Houston, TX 77002 | Oil & Gas Operator | Dec 2025 |
| 151 | Gamma Resources Inc | Oklahoma City, OK 73120 | Oil & Gas Operator | Jan 2017 |
| 152 | Ganador Operating, LLC | Boerne, TX 78006 | Oil & Gas Operator | Dec 2025 |
| 153 | Ganchos Inc. | Borger, TX 79008 | Oil & Gas Operator | Mar 2007 |
| 154 | Ganco, Inc. | | Oil Operator | Mar 2003 |
| 155 | Gandy Corp | Lovington, NM 88267 | Oil & Gas Operator | Sep 2008 |
| 156 | Ganer Mark Oil & Gas | Owasso, OK 74055 | Oil & Gas Operator | Aug 2005 |
| 157 | Ganer Oil Company | Blackwell, OK 74631-4221 | Oil & Gas Operator | Jan 2022 |
| 158 | Gannett Operating LLC | Graham, TX 76450 | Oil & Gas Operator | Dec 2025 |
| 159 | Gantt Operating Company, Inc. | Houston, TX 77018 | Oil & Gas Operator | Dec 2025 |
| 160 | Gantt, Joe, Properties | Electra, TX 76360 | Oil & Gas Operator | Aug 2003 |
| 161 | Gao Holdings Inc | Cortland, OH 44410 | Oil & Gas Operator | Dec 2024 |
| 162 | Gap Energy, Inc. | | Oil & Gas Operator | Oct 1995 |
| 163 | Gap Exploration, LTD. | Naples, FL 34110 | Oil & Gas Operator | Jul 2008 |
| 164 | Garcia, A. H. | San Diego, TX 78384 | Oil & Gas Operator | May 2006 |
| 165 | Gardner Energy Corporation | Houston, TX 77024 | Oil & Gas Operator | Mar 1999 |
| 166 | Gardner Production, LLC | Decatur, TX 76234 | Oil & Gas Operator | Jul 2023 |
| 167 | Garfield Oil Com | | Gas Operator | Jan 1984 |
| 168 | Garman Stripper Wells, LLC | Choteau, MT 59422 | Oil Operator | Sep 2025 |
| 169 | Garmon, James E | Burkesville, KY 42717 | Oil Operator | Dec 2023 |
| 170 | Garms Oil Inc | Kingfisher, OK 73750-4207 | Oil & Gas Operator | Jun 2025 |
| 171 | Garner Engineering Inc. | | Oil & Gas Operator | Sep 2025 |
| 172 | Garner, Jason L | Byrdstown, TN 38549 | Oil Operator | Dec 2023 |
| 173 | Garnet Exploration LLC | Spiro, OK 74959-4839 | Gas Operator | Aug 2025 |
| 174 | Garo Investment Company | Tempe, AZ 85284 | Oil Operator | Aug 2020 |
| 175 | Garr-Woolley Oil Company | Oklahoma City, OK 73142-6019 | Oil & Gas Operator | Nov 1995 |
| 176 | Garrd Oil Company LLC | FT Stockton, TX 79735 | Oil & Gas Operator | Dec 2025 |
| 177 | Garrett, Dorothy D. | Big Spring, TX 79720 | Oil & Gas Operator | Mar 1995 |
| 178 | Garrett, Dwayne M | | Oil & Gas Operator | Dec 2000 |
| 179 | Garrett, Rick J And Desari S | Glenville, WV 26351-0000 | Oil & Gas Operator | Dec 2021 |
| 180 | Garrison Bros Pipe & Used Equip Inc | Hinton, OK 73047 | Oil & Gas Operator | Aug 2013 |
| 181 | Garrison LTD. | San Antonio, TX 78257 | Oil & Gas Operator | Dec 2025 |
| 182 | Garrison Oil Company | Elkhart, TX 75839 | Oil & Gas Operator | Aug 1995 |
| 183 | Garrison Operating, L.L.C. | Tomball, TX 77375 | Oil & Gas Operator | Dec 2025 |
| 184 | Garrison Resource Developmnt LLC | Plainview, TX 79072 | Oil Operator | Dec 2025 |
| 185 | Garry Davis Oil LLC | Tonkawa, OK 74653-0040 | Oil & Gas Operator | Aug 2025 |
| 186 | Garver Oil LLC | Mansfield, OH 44907 | Oil & Gas Operator | Dec 2022 |
| 187 | Garvey Oil And Gas LLC | Kellyville, OK 74039-4428 | Oil & Gas Operator | Mar 2015 |
| 188 | Garvin Energy Corp. | Breckenridge, TX 76424 | Oil & Gas Operator | Feb 1995 |
| 189 | Gary C. Splane | Chanute, KS 66720 | Oil Operator | Dec 2009 |
| 190 | Gary D. Latham | | Oil & Gas Operator | Dec 1988 |
| 191 | Gary D. Latham Oil Company | | Oil Operator | Oct 1984 |
| 192 | Gary Drilling Company | | Oil & Gas Operator | Dec 2000 |
| 193 | Gary Hurd Oil Company, Inc. | | Oil & Gas Operator | Aug 2025 |
| 194 | Gary Jr Samuel & Assoc Inc | Denver, CO 80202-4803 | Oil & Gas Operator | Jul 1999 |
| 195 | Gary L. Deaton Corporation | Oklahoma City, OK 73105-3023 | Oil & Gas Operator | Mar 2015 |
| 196 | Gary M Lake & Company | Edmond, OK 73012-8208 | Oil & Gas Operator | Aug 2021 |
| 197 | Gary Oil & Gas | Deer Park, TX 77536 | Oil & Gas Operator | Dec 2025 |
| 198 | Gary Permian, LLC | Denver, CO 80202 | Oil & Gas Operator | Feb 2022 |
| 199 | Gary Production Company | Carthage, TX 75633 | Gas Operator | Dec 2025 |
| 200 | Gary-Williams Co (The) | Denver, CO 80202 | Oil Operator | Nov 2009 |