| 1101 | Greystone Oil & Gas, LLP | Houston, TX 77057 | Oil & Gas Operator | Dec 2015 |
| 1102 | Greystone Operating, Inc. | | Oil & Gas Operator | Nov 2009 |
| 1103 | Greystone Petroleum, LLC | Tulsa, OK 74136 | Oil & Gas Operator | Sep 2026 |
| 1104 | Greystone, Inc. | Hays, KS 67601 | Oil Operator | Jun 2019 |
| 1105 | Gribble Jr R W | Dallas, TX 75235 | Oil & Gas Operator | Apr 2014 |
| 1106 | Gribble Oil Company | | Oil & Gas Operator | Jun 1996 |
| 1107 | Gribble Oil Corporation | Dallas, TX 75235 | Oil Operator | Aug 1994 |
| 1108 | Griebel-Valliquette | Stroud, OK 74079-0231 | Oil & Gas Operator | Aug 2016 |
| 1109 | Griffin & Griffin Exploration LLC | | Oil & Gas Operator | Dec 2025 |
| 1110 | Griffin & Griffin Oil Co Inc | | Oil & Gas Operator | Jun 2001 |
| 1111 | Griffin & Griffin Oil Co. Inc Et Al | | Oil & Gas Operator | Jan 2010 |
| 1112 | Griffin Energy | | Oil & Gas Operator | May 1991 |
| 1113 | Griffin Energy Holdings, LLC | Plano, TX 75024 | Oil Operator | Sep 2026 |
| 1114 | Griffin Management LLC | | Oil & Gas Operator | Feb 2010 |
| 1115 | Griffin Operating | | Oil & Gas Operator | Mar 1995 |
| 1116 | Griffin Operating, Inc. | Tyler, TX 75702 | Oil & Gas Operator | Mar 2017 |
| 1117 | Griffin Petroleum Company | Midland, TX 79705 | Oil & Gas Operator | Sep 2026 |
| 1118 | Griffin Resources | Breckenridge, TX 76424 | Oil & Gas Operator | Oct 2003 |
| 1119 | Griffin Resources LLC | Breckenridge, TX 76424 | Oil & Gas Operator | Sep 2026 |
| 1120 | Griffin Resources, Inc. | | Oil & Gas Operator | Jun 2026 |
| 1121 | Griffin Southern Corp. | | Oil & Gas Operator | Jun 1983 |
| 1122 | Griffin Well Service Inc | Konawa, OK 74849-9710 | Oil & Gas Operator | Jun 2026 |
| 1123 | Griffin, Charles | Stafford, KS 67578 | Oil Operator | Sep 1997 |
| 1124 | Griffis, Ronnie Et Al | | Oil & Gas Operator | Jan 2025 |
| 1125 | Griffith Petroleum Services Inc | Kingston, OK 73439 | Oil & Gas Operator | Jun 2026 |
| 1126 | Griffith, Johnnie R. | O'Fallon, IL 62269 | Oil & Gas Operator | Dec 1996 |
| 1127 | Griffith, Wesley | | Oil & Gas Operator | Jun 2000 |
| 1128 | Griffiths Oil LLC | Edgerton, WY 82635 | Oil Operator | Jul 2026 |
| 1129 | Griffon & Associates, LLC | Pearland, TX 77581 | Oil & Gas Operator | Jul 2008 |
| 1130 | Griffon Petroleum, Inc. | Calgary, AB T2P 3K2 | Oil & Gas Operator | May 2007 |
| 1131 | Griggs Josh | Dewey, OK 74029 | Oil Operator | Jun 2026 |
| 1132 | Griggs Oil Incor | | Oil & Gas Operator | May 1994 |
| 1133 | Griggs Oil LLC | Dewey, OK 74029-0477 | Oil & Gas Operator | Jun 2026 |
| 1134 | Griggs, VIctor C. | Austin, TX 78746 | Oil & Gas Operator | Sep 2026 |
| 1135 | Grigsby Petroleum Inc. | Shreveport, LA 71101 | Oil & Gas Operator | Sep 2026 |
| 1136 | Grigsby, Jack W. | Shreveport, LA 71101 | Oil & Gas Operator | Jan 2002 |
| 1137 | Grigsby-McCord Joint Account | | Oil Operator | Apr 1984 |
| 1138 | Grigsby-McCord Joint Acct Etal | | Oil Operator | Apr 1984 |
| 1139 | Grim Paul A | Logan, OH 43138-9445 | Oil & Gas Operator | Dec 2020 |
| 1140 | Grimes Energy Company | Abilene, TX 79604 | Oil & Gas Operator | Mar 2005 |
| 1141 | Grimes, Norman W. | Canyon, TX 79015 | Oil & Gas Operator | Jul 2014 |
| 1142 | Grimsby Exploration Inc | Canton, OH 44709 | Oil & Gas Operator | Dec 2018 |
| 1143 | Grissom, Charles A. | Abilene, TX 79604 | Oil & Gas Operator | Mar 2001 |
| 1144 | Griswold Energy LLC | Oologah, OK 74053-6228 | Oil Operator | May 2026 |
| 1145 | Grit Oil & Gas Management, LLC | Houston, TX 77055 | Oil & Gas Operator | Feb 2026 |
| 1146 | Grit Oil & Gas, LLC | Houston, TX 77072 | Oil & Gas Operator | Apr 2019 |
| 1147 | Grit Operating, L.L.C. | Shreveport, LA 71101 | Oil & Gas Operator | Nov 2023 |
| 1148 | Grizzle, Joe B. | Paris, TX 75461 | Oil & Gas Operator | Sep 2026 |
| 1149 | Grizzly Energy Resources, L.L.C. | Midland, TX 79705 | Oil & Gas Operator | Jul 2026 |
| 1150 | Grizzly Op Of Delaware, LLC | Houston, TX 77057 | Oil & Gas Operator | Mar 2021 |
| 1151 | Grizzly Operating LLC | Houston, TX 77057 | Oil & Gas Operator | Jun 2026 |
| 1152 | GRM LLC | | Oil & Gas Operator | Jun 2021 |
| 1153 | GRMR Oil And Gas LLC | Broomfield, CO 80021 | Oil & Gas Operator | Apr 2026 |
| 1154 | Gro-Tex Exploration | Abilene, TX 79603 | Oil Operator | Sep 2026 |
| 1155 | Grogan Field Production, L.L.C. | | Oil Operator | Jan 2025 |
| 1156 | Grooms T D | Stillwater, OK 74075-3600 | Oil & Gas Operator | Oct 2001 |
| 1157 | Grose, Raymond | | Oil & Gas Operator | Dec 2003 |
| 1158 | Gross Jack L Production | Borger, TX 79008-0065 | Gas Operator | Mar 2015 |
| 1159 | Gross Todd | Pine Bluffs, WY 82082 | Oil & Gas Operator | Mar 2007 |
| 1160 | Gross William R | | Oil Operator | Feb 1986 |
| 1161 | Gross, Charles E. | Dallas, TX 75220 | Oil & Gas Operator | Feb 2012 |
| 1162 | Gross, L. Jack Production | Borger, TX 79008 | Oil & Gas Operator | Dec 1994 |
| 1163 | Grothe Bros. | Albany, TX 76430 | Oil & Gas Operator | May 2011 |
| 1164 | Grothe Bros., Inc. | Slaton, TX 79364 | Oil & Gas Operator | Sep 2026 |
| 1165 | Grothe, M. L. Oil Co. | Albany, TX 76430 | Oil & Gas Operator | Jun 2010 |
| 1166 | Grothe, M.L. Est. | Slaton, TX 79364 | Oil & Gas Operator | Sep 2026 |
| 1167 | Grothues, G B Oil | Natalia, TX 78059 | Oil Operator | Sep 2026 |
| 1168 | Ground Development Company Inc | Dallas, TX 75229-0377 | Oil & Gas Operator | Jan 2013 |
| 1169 | Ground Resources, LLC | Spencer, WV 25276 | Oil & Gas Operator | Dec 2021 |
| 1170 | Group Maintenance Corp | Jefferson, OH 44047 | Oil & Gas Operator | Dec 2012 |
| 1171 | Grover Collins | | Oil & Gas Operator | Dec 2002 |
| 1172 | Grover-McKinney Oil Company | Midland, TX 79702 | Oil & Gas Operator | Aug 2003 |
| 1173 | Groves, Frank | Arkansas City, KS 67005 | Oil & Gas Operator | Mar 1995 |
| 1174 | GRR Mammoser, LLC | Eden, NY 14057 | Gas Operator | Dec 2025 |
| 1175 | Grubb F W "Forest" | Garber, OK 73738-0186 | Oil & Gas Operator | Jun 2005 |
| 1176 | Grubb Ronald J | Clinton, OK 73601-0906 | Oil & Gas Operator | Aug 2013 |
| 1177 | Gruenerwald WM & | | Oil & Gas Operator | Apr 1994 |
| 1178 | Gruenerwald WM & Assoc Inc | Colorado Spring, CO 80960-0669 | Oil & Gas Operator | Jan 2002 |
| 1179 | Grunder Oil, LLC | St John, KS 67576 | Oil Operator | May 2026 |
| 1180 | Gruss Petroleum | | Oil Operator | Jan 1986 |
| 1181 | Gruy Management Service Co. | | Oil & Gas Operator | Apr 1982 |
| 1182 | Gruy Petroleum Management Co. | Irving, TX 75014 | Oil & Gas Operator | Nov 2014 |
| 1183 | Grynberg Petroleum Company | Greenwood Vge, CO 80111-3326 | Oil & Gas Operator | Oct 2019 |
| 1184 | Grynberg* Jack Dba Grynberg Petroleum Co | | Oil Operator | Jan 2023 |
| 1185 | Grynberg, Jack J. | Denver, CO 80237 | Oil & Gas Operator | Jun 2021 |
| 1186 | Gryphon Exploration Company | Mandeville, LA 70471 | Oil & Gas Operator | Aug 2009 |
| 1187 | GS Energy Of Texas, L.L.C. | Oklahoma City, OK 73102 | Oil & Gas Operator | May 2006 |
| 1188 | GSF Energy, L.L.C. | Pittsburgh, PA 15220 | Gas Operator | Mar 2018 |
| 1189 | Gsi Oil & Gas, Inc. | Bryan, TX 77806 | Oil & Gas Operator | Sep 2026 |
| 1190 | GT Energy | | Oil & Gas Operator | Mar 1993 |
| 1191 | GT Productions | Euless, TX 76040 | Oil & Gas Operator | Jan 1997 |
| 1192 | GTG Operating, LLC | Tyler, TX 75713 | Oil & Gas Operator | Sep 2026 |
| 1193 | Guadalupe Operating LLP | Midland, TX 79701 | Oil & Gas Operator | Oct 2013 |
| 1194 | Guadalupe Properties, LLC | New Braunfels, TX 78132 | Oil & Gas Operator | Mar 2013 |
| 1195 | Guaranty Energy Corp. | | Oil & Gas Operator | Aug 1990 |
| 1196 | Guardian Exploration LLC | Hunt, TX 78024-0225 | Oil & Gas Operator | Dec 2011 |
| 1197 | Guardian Management Inc | Marion, OH 43302 | Oil & Gas Operator | Dec 1997 |
| 1198 | Guardian Oil Company | | Oil & Gas Operator | Aug 1985 |
| 1199 | Guardian Operating Corp. | Midland, TX 79707 | Oil & Gas Operator | Nov 2016 |
| 1200 | Guenthart William & Lavonne | Newcastle, WY 82701 | Oil Operator | Apr 2025 |