| 4101 | Fultz Oil Company | Fort Worth, TX 76121 | Oil & Gas Operator | Dec 1995 |
| 4102 | Furie Operating, LLC | League City, TX 77573 | Oil & Gas Operator | Nov 2015 |
| 4103 | Furr, Roy Estate Of | Midland, TX 79702 | Oil & Gas Operator | Jun 2016 |
| 4104 | Furry Oil & Gas, Inc. | Bangs, TX 76823 | Oil & Gas Operator | Jul 2025 |
| 4105 | Furry Operating Account | Brownwood, TX 76804 | Oil & Gas Operator | Aug 2003 |
| 4106 | Furry Producing Company | Brownwood, TX 76801 | Oil & Gas Operator | Jul 2025 |
| 4107 | Furry, Myrl M. | Brownwood, TX 76801 | Oil & Gas Operator | Dec 2003 |
| 4108 | Fuse Energy, LLC | Alvord, TX 76225 | Oil & Gas Operator | Jan 2019 |
| 4109 | Fusion XP, Inc. | Arlington, TX 76006 | Oil Operator | Apr 2014 |
| 4110 | Future Petroleum Company LLC | Houston, TX 77027 | Oil & Gas Operator | Jun 2013 |
| 4111 | Future Petroleum Corporation | Houston, TX 77002 | Oil & Gas Operator | Sep 1999 |
| 4112 | FX Energy Operating, LLC | Canadian, TX 79014 | Oil & Gas Operator | Jul 2025 |
| 4113 | G & C Energy Co. | Midland, TX 79702 | Oil & Gas Operator | Jul 2025 |
| 4114 | G & F Oil, Inc. | Aledo, TX 76008 | Oil & Gas Operator | Jul 2025 |
| 4115 | G & G Oil | Luling, TX 78648 | Oil Operator | Jul 2025 |
| 4116 | G & K Operating, LLC | Poth, TX 78147 | Oil & Gas Operator | Jul 2025 |
| 4117 | G & M Gas & Oil | Midland, TX 79701 | Oil & Gas Operator | Jun 1998 |
| 4118 | G & S Energy, Inc. | Bangs, TX 76823 | Oil & Gas Operator | Apr 2024 |
| 4119 | G & W Production Company L.L.C. | El Campo, TX 77437 | Oil Operator | May 2017 |
| 4120 | G C & W Inc. | Borger, TX 79007 | Oil & Gas Operator | Oct 2016 |
| 4121 | G D Energy Corporation | Iowa Park, TX 76367 | Oil Operator | Jul 2025 |
| 4122 | G E Operating, Inc. | Graham, TX 76450 | Oil & Gas Operator | May 2020 |
| 4123 | G N K Inc. | Shreveport, LA 71101 | Oil & Gas Operator | Aug 2020 |
| 4124 | G P II Energy, Inc. | Midland, TX 79710 | Oil & Gas Operator | Sep 2020 |
| 4125 | G Productions | Snyder, TX 79549 | Oil & Gas Operator | Jun 1998 |
| 4126 | G&L Oil And Gas, LLC | Windthorst, TX 76389 | Oil & Gas Operator | Jul 2025 |
| 4127 | G-3 Oil | Albany, TX 76430 | Oil & Gas Operator | Jul 1995 |
| 4128 | G. & S. Inc. | Gruver, TX 79040 | Oil & Gas Operator | Nov 2023 |
| 4129 | G. A. Hawkins Operating, LLC | Graham, TX 76450 | Oil & Gas Operator | Jul 2025 |
| 4130 | G. H. Ranch Management, LLC | Pampa, TX 79066 | Oil & Gas Operator | Apr 2013 |
| 4131 | G. H. Ranch, Inc. | Pampa, TX 79066 | Oil & Gas Operator | Feb 2006 |
| 4132 | G. H. Ranch, LLC | Pampa, TX 79066 | Oil & Gas Operator | Jul 2025 |
| 4133 | G. S. Properties, Inc. | Arlington, TX 76013 | Oil & Gas Operator | May 1999 |
| 4134 | G.& S. Landscaping, Inc. | Houston, TX 77095 | Gas Operator | Jun 2023 |
| 4135 | G.A.P. Production LLC | Sourlake, TX 77659 | Oil Operator | Jul 2025 |
| 4136 | G.H.W. Holding Company | Odessa, TX 79760 | Oil & Gas Operator | Nov 2000 |
| 4137 | G.P.C. Oil And Gas Corporation | Midland, TX 79710 | Oil & Gas Operator | Feb 1993 |
| 4138 | G.R.P. Gauging, Inc. | Wharton, TX 77488 | Oil & Gas Operator | Oct 2010 |
| 4139 | Gaea Services, Inc. | San Antonio, TX 78216 | Oil & Gas Operator | Sep 2021 |
| 4140 | Gaedeke Oil & Gas Operating, LLC | Dallas, TX 75219 | Oil & Gas Operator | Sep 2023 |
| 4141 | Gaeton Oil & Gas Corp. | Derby, CT 06418 | Oil & Gas Operator | Jun 1998 |
| 4142 | Gage, H. L. | Windthorst, TX 76389 | Oil & Gas Operator | May 2005 |
| 4143 | Gago, Inc. | Graham, TX 76450 | Oil & Gas Operator | Jul 2025 |
| 4144 | Gaines Operating, LLC | Austin, TX 78746 | Oil & Gas Operator | Jul 2025 |
| 4145 | Gaither Petroleum Corporation | Katy, TX 77493 | Oil & Gas Operator | Jul 2025 |
| 4146 | Gala Resources, LTD. | Graham, TX 76450 | Oil & Gas Operator | Apr 2025 |
| 4147 | Galbraith, Dallas S. | Abilene, TX 79601 | Oil & Gas Operator | Feb 1994 |
| 4148 | Galilee Oil Investments LLC | San Antonio, TX 78205 | Oil & Gas Operator | Jul 2025 |
| 4149 | Galindo Brothers, Inc. | Alice, TX 78333 | Oil & Gas Operator | Jul 2025 |
| 4150 | Gallery Petroleum LLC | Houston, TX 77036 | Oil & Gas Operator | Jul 2025 |
| 4151 | Gallo Petroleum, LLC | Colorado City, TX 79512 | Oil Operator | Jul 2025 |
| 4152 | Galloway Energy Co. | Tomball, TX 77377 | Oil & Gas Operator | Jul 2025 |
| 4153 | Galloway Lone Star, L.L.C. | Tomball, TX 77377 | Oil & Gas Operator | Jul 2025 |
| 4154 | Galt Oil & Gas, LLC | Pampa, TX 79065 | Oil & Gas Operator | Apr 2020 |
| 4155 | Galt Petroleum, Inc. | Iowa Park, TX 76367 | Oil Operator | Jul 2025 |
| 4156 | Galveston Bay Energy, LLC | Spring, TX 77386 | Oil & Gas Operator | Jul 2017 |
| 4157 | Galveston Bay Operating Co LLC | Houston, TX 77002 | Oil & Gas Operator | Jul 2025 |
| 4158 | Ganador Operating, LLC | Boerne, TX 78006 | Oil & Gas Operator | Jul 2025 |
| 4159 | Ganchos Inc. | Borger, TX 79008 | Oil & Gas Operator | Mar 2007 |
| 4160 | Gannett Operating LLC | Graham, TX 76450 | Oil & Gas Operator | Jul 2025 |
| 4161 | Gantt Operating Company, Inc. | Houston, TX 77018 | Oil & Gas Operator | Jul 2025 |
| 4162 | Gantt, Joe, Properties | Electra, TX 76360 | Oil & Gas Operator | Aug 2003 |
| 4163 | Gap Exploration, LTD. | Naples, FL 34110 | Oil & Gas Operator | Jul 2008 |
| 4164 | Garcia, A. H. | San Diego, TX 78384 | Oil & Gas Operator | May 2006 |
| 4165 | Gardner Energy Corporation | Houston, TX 77024 | Oil & Gas Operator | Mar 1999 |
| 4166 | Gardner Production, LLC | Decatur, TX 76234 | Oil & Gas Operator | Jul 2023 |
| 4167 | Garrd Oil Company LLC | FT Stockton, TX 79735 | Oil & Gas Operator | Jul 2025 |
| 4168 | Garrett, Dorothy D. | Big Spring, TX 79720 | Oil & Gas Operator | Mar 1995 |
| 4169 | Garrison LTD. | San Antonio, TX 78257 | Oil & Gas Operator | Jul 2025 |
| 4170 | Garrison Oil Company | Elkhart, TX 75839 | Oil & Gas Operator | Aug 1995 |
| 4171 | Garrison Operating, L.L.C. | Tomball, TX 77375 | Oil & Gas Operator | Jul 2025 |
| 4172 | Garrison Resource Developmnt LLC | Plainview, TX 79072 | Oil Operator | Jul 2025 |
| 4173 | Garvin Energy Corp. | Breckenridge, TX 76424 | Oil & Gas Operator | Feb 1995 |
| 4174 | Gary Oil & Gas | Deer Park, TX 77536 | Oil & Gas Operator | Jul 2025 |
| 4175 | Gary Permian, LLC | Denver, CO 80202 | Oil & Gas Operator | Feb 2022 |
| 4176 | Gary Production Company | Carthage, TX 75633 | Gas Operator | Jul 2025 |
| 4177 | Garza Oil & Gas LLC | Quemado, TX 78877 | Oil Operator | Jul 2025 |
| 4178 | Garza, Sergio R. | Orange Grove, TX 78372 | Oil Operator | Jul 2025 |
| 4179 | Garzaco Operating, LLC | Concepcion, TX 78349 | Oil & Gas Operator | Jul 2025 |
| 4180 | Gas Corporation Of America | Wichita Falls, TX 76307 | Oil & Gas Operator | Jul 2025 |
| 4181 | Gas Engine & Compressor Serv,Inc | Longview, TX 75615 | Oil & Gas Operator | Feb 2003 |
| 4182 | Gas Resources, Inc. | Southern Pine, NC 28387 | Oil & Gas Operator | Mar 2004 |
| 4183 | Gas Tap Corp. | Plano, TX 75075 | Gas Operator | Jul 2025 |
| 4184 | Gas Well Operators | Pampa, TX 79066 | Gas Operator | Nov 2002 |
| 4185 | Gas Well Operators, Inc. | Pampa, TX 79066 | Gas Operator | Nov 1997 |
| 4186 | Gasanadarko LTD | Oklahoma City, OK 73116 | Gas Operator | May 1994 |
| 4187 | Gasoco, Inc. | Wichita Falls, TX 76307 | Oil & Gas Operator | Apr 2005 |
| 4188 | Gasoil, Inc. | Spearman, TX 79081 | Oil & Gas Operator | Dec 2015 |
| 4189 | Gasper Rice Resources, LTD. | Houston, TX 77068 | Oil & Gas Operator | Jul 2025 |
| 4190 | Gassiot Holding Corporation | Coleman, TX 76834 | Oil & Gas Operator | Apr 2016 |
| 4191 | Gastar Exploration Texas, LP | Houston, TX 77010 | Oil & Gas Operator | Oct 2018 |
| 4192 | Gastex, Inc. | Midland, TX 79710 | Oil & Gas Operator | Mar 1995 |
| 4193 | Gator Development, Inc. | Vernon, TX 76384 | Oil Operator | Dec 2004 |
| 4194 | Gauge Oil Company | Luling, TX 78648 | Oil & Gas Operator | Jul 2025 |
| 4195 | Gauntt, Inc. | San Marcos, TX 78666 | Oil & Gas Operator | Dec 2024 |
| 4196 | Gaylyn, Inc. | Comanche, TX 76442 | Oil & Gas Operator | Jul 2025 |
| 4197 | Gaynor Oil Co. | Sherman, TX 75092 | Oil & Gas Operator | Jun 2002 |
| 4198 | GBF Operating LLC | Morrison, CO 80465 | Oil & Gas Operator | Jul 2025 |
| 4199 | GBG Operating Corp. | Wichita Falls, TX 76302 | Oil & Gas Operator | Sep 1998 |
| 4200 | Gcea, LLC | Graham, TX 76450 | Oil & Gas Operator | Mar 2008 |