| 1101 | Gress Oil & Gas | Coshocton, OH 43812 | Oil & Gas Operator | Dec 2024 |
| 1102 | Gressel Production, LLC | South Haven, KS 67140 | Oil & Gas Operator | Apr 2025 |
| 1103 | Gressel, Dewey H. | | Oil Operator | Dec 2009 |
| 1104 | Greta Operating Company LLC | Refugio, TX 78377 | Oil & Gas Operator | Sep 2025 |
| 1105 | Grewing, Florence T. | Muenster, TX 76252 | Oil & Gas Operator | Mar 2008 |
| 1106 | Grewing, Herman | Muenster, TX 76252 | Oil & Gas Operator | Apr 1997 |
| 1107 | Grewing, Herman Operating, Inc. | Muenster, TX 76252 | Oil Operator | Sep 2025 |
| 1108 | Grewing, Wayne R. Oil & Gas, LLC | Muenster, TX 76252 | Oil Operator | Apr 2018 |
| 1109 | Grey Eagle Construction Company, Inc. | Kermit, WV 25674 | Gas Operator | Dec 2021 |
| 1110 | Grey Hawk Operating LLC | Birmingham, AL 35242 | Oil Operator | Jan 2024 |
| 1111 | Grey Oil Company | Pratt, KS 67124 | Oil & Gas Operator | Sep 2007 |
| 1112 | Grey Rider Energy, LLC | Schertz, TX 78154 | Oil & Gas Operator | Sep 2025 |
| 1113 | Grey Wolf Production Company, Inc. | Garnett, KS 66032-0426 | Oil Operator | Mar 2015 |
| 1114 | Grey, Glenn E. | Haviland, KS 67059 | Oil Operator | Mar 2002 |
| 1115 | Grey, Huey P. | Greensburg, KS 67054 | Oil Operator | Dec 1984 |
| 1116 | Grey, James H. | Greensburg, KS 67054 | Gas Operator | Nov 1988 |
| 1117 | Grey, Lonnie & Lennie Adams | Ravenna, KY 40472 | Oil Operator | Dec 2016 |
| 1118 | Greylock Conventional, LLC | Charleston, WV 25311 | Oil & Gas Operator | Jun 2025 |
| 1119 | Greylock Opco LLC | Charleston, WV 25311 | Oil & Gas Operator | Dec 2024 |
| 1120 | Greylock Production LLC | Charleston, WV 25311-1264 | Oil & Gas Operator | Jun 2025 |
| 1121 | Greystone Exploration Co | Oklahoma City, OK 73177 | Oil & Gas Operator | Apr 1996 |
| 1122 | Greystone Oil & Gas, LLP | Houston, TX 77057 | Oil & Gas Operator | Dec 2015 |
| 1123 | Greystone Operating, Inc. | | Oil & Gas Operator | Nov 2009 |
| 1124 | Greystone Petroleum, LLC | Tulsa, OK 74136 | Oil & Gas Operator | Sep 2025 |
| 1125 | Greystone, Inc. | Hays, KS 67601 | Oil Operator | Jun 2019 |
| 1126 | Gribble Jr R W | Dallas, TX 75235 | Oil & Gas Operator | Apr 2014 |
| 1127 | Gribble Oil Company | | Oil & Gas Operator | Jun 1996 |
| 1128 | Gribble Oil Corporation | Dallas, TX 75235 | Oil Operator | Aug 1994 |
| 1129 | Griebel-Valliquette | Stroud, OK 74079-0231 | Oil & Gas Operator | Aug 2016 |
| 1130 | Griffin & Griffin Expl, LLC | | Oil & Gas Operator | Jul 2025 |
| 1131 | Griffin & Griffin Oil Co. Inc. | | Oil & Gas Operator | Jun 2001 |
| 1132 | Griffin & Griffin Oil Co., Inc Et Al | | Oil & Gas Operator | Jan 2010 |
| 1133 | Griffin Energy | | Oil & Gas Operator | May 1991 |
| 1134 | Griffin Energy Holdings, LLC | Plano, TX 75093 | Oil Operator | Sep 2025 |
| 1135 | Griffin Management LLC | | Oil & Gas Operator | Feb 2010 |
| 1136 | Griffin Operating | | Oil & Gas Operator | Mar 1995 |
| 1137 | Griffin Operating, Inc. | Tyler, TX 75702 | Oil & Gas Operator | Mar 2017 |
| 1138 | Griffin Petroleum Company | Midland, TX 79705 | Oil & Gas Operator | Sep 2025 |
| 1139 | Griffin Resources | Breckenridge, TX 76424 | Oil & Gas Operator | Oct 2003 |
| 1140 | Griffin Resources LLC | Breckenridge, TX 76424 | Oil & Gas Operator | Sep 2025 |
| 1141 | Griffin Resources, Inc. | | Oil & Gas Operator | May 2025 |
| 1142 | Griffin Southern Corp. | | Oil & Gas Operator | Jun 1983 |
| 1143 | Griffin Well Service Inc | Konawa, OK 74849-9710 | Oil & Gas Operator | May 2025 |
| 1144 | Griffin, Charles | Stafford, KS 67578 | Oil Operator | Sep 1997 |
| 1145 | Griffin, Charles N. | Pratt, KS 67124 | Oil & Gas Operator | Apr 2025 |
| 1146 | Griffis, Ronnie Et Al | | Oil & Gas Operator | Sep 2024 |
| 1147 | Griffith Petroleum Services Inc | Kingston, OK 73439 | Oil & Gas Operator | May 2025 |
| 1148 | Griffith Resources | Kilgore, TX 75663 | Oil & Gas Operator | Oct 2013 |
| 1149 | Griffith, Johnnie R. | O'Fallon, IL 62269 | Oil & Gas Operator | Dec 1996 |
| 1150 | Griffith, Michael P. | Falconer, NY 14733 | Gas Operator | Dec 2024 |
| 1151 | Griffith, Wesley | | Oil & Gas Operator | Jun 2000 |
| 1152 | Griffiths Oil LLC | Edgerton, WY 82635 | Oil Operator | Jul 2025 |
| 1153 | Griffon & Associates, L.L.C. | Pearland, TX 77581 | Oil & Gas Operator | Jul 2008 |
| 1154 | Griffon Petroleum, Inc. | Calgary, AB T2P 3K2 | Oil & Gas Operator | May 2007 |
| 1155 | Griggs Josh | Dewey, OK 74029 | Oil Operator | May 2025 |
| 1156 | Griggs Oil Incor | | Oil & Gas Operator | May 1994 |
| 1157 | Griggs Oil LLC | Dewey, OK 74029-0477 | Oil & Gas Operator | May 2025 |
| 1158 | Griggs, VIctor C. | Austin, TX 78746 | Oil & Gas Operator | Sep 2025 |
| 1159 | Grigsby Petroleum Inc. | Shreveport, LA 71101 | Oil & Gas Operator | Sep 2025 |
| 1160 | Grigsby, Jack W. | Shreveport, LA 71101 | Oil & Gas Operator | Jan 2002 |
| 1161 | Grigsby-McCord Joint Account | | Oil Operator | Apr 1984 |
| 1162 | Grigsby-McCord Joint Acct Etal | | Oil Operator | Apr 1984 |
| 1163 | Grim Paul A | Logan, OH 43138-9445 | Oil & Gas Operator | Dec 2020 |
| 1164 | Grimes Energy Company | Abilene, TX 79604 | Oil & Gas Operator | Mar 2005 |
| 1165 | Grimes, Norman W. | Canyon, TX 79015 | Oil & Gas Operator | Jul 2014 |
| 1166 | Grimm Assn. | | Oil & Gas Operator | Jul 2021 |
| 1167 | Grimsby Exploration Inc | Canton, OH 44709 | Oil & Gas Operator | Dec 2018 |
| 1168 | Grissom, Charles A. | Abilene, TX 79604 | Oil & Gas Operator | Mar 2001 |
| 1169 | Griswold Energy LLC | Oologah, OK 74053-6228 | Oil Operator | May 2025 |
| 1170 | Grit Oil & Gas Management, LLC | Houston, TX 77055 | Oil & Gas Operator | Sep 2025 |
| 1171 | Grit Oil & Gas, LLC | Houston, TX 77072 | Oil & Gas Operator | Apr 2019 |
| 1172 | Grit Operating, L.L.C. | Shreveport, LA 71101 | Oil & Gas Operator | Nov 2023 |
| 1173 | Grizzle, Joe B. | Paris, TX 75461 | Oil & Gas Operator | Sep 2025 |
| 1174 | Grizzly Op Of Delaware, LLC | Houston, TX 77057 | Oil & Gas Operator | Mar 2021 |
| 1175 | Grizzly Operating LLC | Houston, TX 77057 | Oil & Gas Operator | May 2025 |
| 1176 | GRM LLC | | Oil & Gas Operator | Jun 2021 |
| 1177 | GRMR Oil And Gas LLC | Broomfield, CO 80021 | Oil & Gas Operator | Jun 2025 |
| 1178 | Gro-Tex Exploration | Abilene, TX 79603 | Oil Operator | Sep 2025 |
| 1179 | Grogan Field Production, L.L.C. | | Oil Operator | Jan 2025 |
| 1180 | Grooms T D | Stillwater, OK 74075-3600 | Oil & Gas Operator | Oct 2001 |
| 1181 | Grose, Raymond | Buckhannon, WV 26201-0736 | Oil & Gas Operator | Dec 2003 |
| 1182 | Groshong Oil, LLC | Wellsville, KS 66092 | Oil Operator | Mar 2025 |
| 1183 | Gross Jack L Production | Borger, TX 79008-0065 | Gas Operator | Mar 2015 |
| 1184 | Gross Todd | Pine Bluffs, WY 82082 | Oil & Gas Operator | Mar 2007 |
| 1185 | Gross William R | | Oil Operator | Feb 1986 |
| 1186 | Gross, Charles E. | Dallas, TX 75220 | Oil & Gas Operator | Feb 2012 |
| 1187 | Gross, L. Jack Production | Borger, TX 79008 | Oil & Gas Operator | Dec 1994 |
| 1188 | Grothe Bros. | Albany, TX 76430 | Oil & Gas Operator | May 2011 |
| 1189 | Grothe Bros., Inc. | Slaton, TX 79364 | Oil & Gas Operator | Sep 2025 |
| 1190 | Grothe, M. L. Oil Co. | Albany, TX 76430 | Oil & Gas Operator | Jun 2010 |
| 1191 | Grothe, M.L. Est. | Slaton, TX 79364 | Oil & Gas Operator | Sep 2025 |
| 1192 | Grothues, G B Oil | Natalia, TX 78059 | Oil Operator | Sep 2025 |
| 1193 | Ground Development Company Inc | Dallas, TX 75229-0377 | Oil & Gas Operator | Jan 2013 |
| 1194 | Ground Resources, LLC | | Oil & Gas Operator | Dec 2021 |
| 1195 | Group Maintenance Corp | Jefferson, OH 44047 | Oil & Gas Operator | Dec 2012 |
| 1196 | Grover Collins | | Oil & Gas Operator | Dec 2002 |
| 1197 | Grover-McKinney Oil Company | Midland, TX 79702 | Oil & Gas Operator | Aug 2003 |
| 1198 | Groves, Frank | Arkansas City, KS 67005 | Oil & Gas Operator | Mar 1995 |
| 1199 | GRR Mammoser Partnership | Eden, NY 14057 | Gas Operator | Dec 2024 |
| 1200 | GRS Oil & Gas Company | Irving, TX 75017 | Oil & Gas Operator | Aug 1994 |