| 1101 | Greenland Operating LLC | | Oil Operator | Oct 2025 |
| 1102 | Greenland Petroleum Co | Belle Valley, OH 43717 | Oil & Gas Operator | Dec 1991 |
| 1103 | Greenlee Oil And Gas LLC | Norman, OK 73072 | Oil & Gas Operator | Sep 2025 |
| 1104 | Greenlight Enterprises LLC | McKinney, TX 75072 | Oil Operator | Feb 2026 |
| 1105 | Greenridge Oil Company LLC | Mill Valley, CA 94942 | Oil & Gas Operator | Dec 2024 |
| 1106 | Greenridge Oil Inc | New Freeport, PA 15352-1560 | Oil & Gas Operator | Dec 2025 |
| 1107 | Greensburg Energy, LLC | Greensburg, KY 42743 | Oil Operator | Dec 2023 |
| 1108 | Greensburg Oilfield LLC | Zenda, KS 67159 | Oil Operator | Nov 2013 |
| 1109 | Greenstone Energy, LLC | Houston, TX 77208 | Oil Operator | Feb 2026 |
| 1110 | Greenstreet Lloyd | | Oil Operator | Dec 1986 |
| 1111 | Greenville Land Development Co. | Elizabeth, WV 26143-0252 | Oil & Gas Operator | Dec 2021 |
| 1112 | Greenville Oil Company | Greenville, KY 42345 | Oil Operator | Dec 2023 |
| 1113 | Greenville Operating Company | Dallas, TX 75206 | Oil & Gas Operator | Oct 1996 |
| 1114 | Greenway Energy LLC | Mayville, NY 14757 | Oil & Gas Operator | Dec 2025 |
| 1115 | Greenwerks Outdoor Services LLC | Stockdale, TX 78160 | Oil Operator | Feb 2026 |
| 1116 | Greenwich Oil Corporation | Dallas, TX 75225 | Oil & Gas Operator | Mar 1994 |
| 1117 | Greenwood Energy Inc | Oklahoma City, OK 73116-9083 | Oil & Gas Operator | Mar 2015 |
| 1118 | Greenwood Holding Inc | Englewood, CO 80110 | Oil & Gas Operator | Jun 1993 |
| 1119 | Greenwood Holdings Inc | Englewood, CO BADADDR | Oil & Gas Operator | Jul 1995 |
| 1120 | Greenwood James W | New Matamoras, OH 45767 | Oil & Gas Operator | Dec 2014 |
| 1121 | Greenwood Janet | Mannford, OK 74044 | Oil Operator | Apr 2014 |
| 1122 | Greenwood Oil Company | Skiatook, OK 74070 | Oil & Gas Operator | Aug 2013 |
| 1123 | Greenwood Oil LLC | Marietta, OH 45750 | Oil & Gas Operator | Dec 2024 |
| 1124 | Greenwood Oil R F D | Warsaw, OH 43844 | Oil & Gas Operator | Dec 1990 |
| 1125 | Greenwood Resources | | Oil & Gas Operator | Jan 1992 |
| 1126 | Greenwood Resources L.L.C. | Pratt, KS 67124 | Oil Operator | Sep 2025 |
| 1127 | Greer & Beckham Gas Co Inc | Shamrock, TX 79079-0606 | Oil & Gas Operator | Aug 2013 |
| 1128 | Greer Energy, Inc. | | Oil Operator | Dec 1996 |
| 1129 | Greer Exploration Corporation | Shreveport, LA 71118 | Oil & Gas Operator | Jul 2017 |
| 1130 | Greer Family Trust | Ponca City, OK 74601-8126 | Oil Operator | Aug 2018 |
| 1131 | Greer Industries, Inc. | Morgantown, WV 26507-1900 | Gas Operator | Dec 2021 |
| 1132 | Greer Oil Compan | | Oil & Gas Operator | Jun 1988 |
| 1133 | Greer Tom & Welm | | Oil Operator | Mar 1995 |
| 1134 | Greer Tom R | Ponca City, OK 74602-2444 | Oil & Gas Operator | May 2013 |
| 1135 | Greer, Inc. | Arnoldsburg, WV 25234 | Oil & Gas Operator | Dec 2021 |
| 1136 | Greer, J. H. | Abilene, TX 79606 | Oil & Gas Operator | Dec 1998 |
| 1137 | Greer, Joseph V. | Yates Center, KS 66783 | Oil & Gas Operator | Oct 2005 |
| 1138 | Greer, Tom | Ponca City, OK 74602 | Oil Operator | Aug 2016 |
| 1139 | Greg Davis Investments Inc | Edmond, OK 73034-6621 | Oil Operator | May 2020 |
| 1140 | Greg Hall Oil & Gas LLC | Norman, OK 73072 | Oil & Gas Operator | Nov 2025 |
| 1141 | Gregco, Inc. | Paducah, TX 79248 | Oil & Gas Operator | May 1999 |
| 1142 | Gregg Operating, Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Feb 2026 |
| 1143 | Gregg Price Corp | Dover, OH 44622 | Oil & Gas Operator | Dec 2014 |
| 1144 | Gregory, J. Russell Inc. | Houston, TX 77025 | Gas Operator | Nov 2009 |
| 1145 | Gregory, JD | | Oil & Gas Operator | Dec 2021 |
| 1146 | Greka Am Inc | Santa Maria, CA 93454 | Oil & Gas Operator | May 2013 |
| 1147 | Grenadier Energy Partners II,LLC | The Woodlands, TX 77380 | Oil & Gas Operator | Dec 2020 |
| 1148 | Gresham Oil & Gas (USA) Inc. | Littleton, CO 80122 | Oil & Gas Operator | Jan 1999 |
| 1149 | Gress Oil & Gas | Coshocton, OH 43812 | Oil & Gas Operator | Dec 2024 |
| 1150 | Gressel Production, LLC | South Haven, KS 67140 | Oil & Gas Operator | Sep 2025 |
| 1151 | Gressel, Dewey H. | | Oil Operator | Dec 2009 |
| 1152 | Greta Operating Company LLC | Refugio, TX 78377 | Oil & Gas Operator | Feb 2026 |
| 1153 | Grewing, Florence T. | Muenster, TX 76252 | Oil & Gas Operator | Mar 2008 |
| 1154 | Grewing, Herman | Muenster, TX 76252 | Oil & Gas Operator | Apr 1997 |
| 1155 | Grewing, Herman Operating, Inc. | Muenster, TX 76252 | Oil Operator | Feb 2026 |
| 1156 | Grewing, Wayne R. Oil & Gas, LLC | Muenster, TX 76252 | Oil Operator | Apr 2018 |
| 1157 | Grey Eagle Construction Company, Inc. | Kermit, WV 25674 | Gas Operator | Dec 2021 |
| 1158 | Grey Hawk Operating LLC | Birmingham, AL 35242 | Oil Operator | Jan 2024 |
| 1159 | Grey Oil Co | Pratt, KS 67124 | Oil & Gas Operator | Sep 2007 |
| 1160 | Grey Rider Energy, LLC | Schertz, TX 78154 | Oil & Gas Operator | Feb 2026 |
| 1161 | Grey Wolf Production Company, Inc. | Garnett, KS 66032-0426 | Oil Operator | Mar 2015 |
| 1162 | Grey, Glenn E. | Haviland, KS 67059 | Oil Operator | Mar 2002 |
| 1163 | Grey, Huey P. | Greensburg, KS 67054 | Oil Operator | Dec 1984 |
| 1164 | Grey, James H. | Greensburg, KS 67054 | Gas Operator | Nov 1988 |
| 1165 | Grey, Lonnie & Lennie Adams | Ravenna, KY 40472 | Oil Operator | Dec 2016 |
| 1166 | Greylock Conventional, LLC | Charleston, WV 25311 | Oil & Gas Operator | Dec 2025 |
| 1167 | Greylock Opco LLC | Charleston, WV 25311 | Oil & Gas Operator | Dec 2025 |
| 1168 | Greylock Production LLC | Charleston, WV 25311-1264 | Oil & Gas Operator | Dec 2025 |
| 1169 | Greystone Exploration Co | Oklahoma City, OK 73177 | Oil & Gas Operator | Apr 1996 |
| 1170 | Greystone Oil & Gas, LLP | Houston, TX 77057 | Oil & Gas Operator | Dec 2015 |
| 1171 | Greystone Operating, Inc. | | Oil & Gas Operator | Nov 2009 |
| 1172 | Greystone Petroleum, LLC | Tulsa, OK 74136 | Oil & Gas Operator | Feb 2026 |
| 1173 | Greystone, Inc. | Hays, KS 67601 | Oil Operator | Jun 2019 |
| 1174 | Gribble Jr R W | Dallas, TX 75235 | Oil & Gas Operator | Apr 2014 |
| 1175 | Gribble Oil Company | | Oil & Gas Operator | Jun 1996 |
| 1176 | Gribble Oil Corporation | Dallas, TX 75235 | Oil Operator | Aug 1994 |
| 1177 | Griebel-Valliquette | Stroud, OK 74079-0231 | Oil & Gas Operator | Aug 2016 |
| 1178 | Griffin & Griffin Expl, LLC | | Oil & Gas Operator | Dec 2025 |
| 1179 | Griffin & Griffin Oil Co Inc | | Oil & Gas Operator | Jun 2001 |
| 1180 | Griffin & Griffin Oil Co., Inc Et Al | | Oil & Gas Operator | Jan 2010 |
| 1181 | Griffin Bennie C | Arora, CO 80011 | Gas Operator | Dec 1993 |
| 1182 | Griffin Energy | | Oil & Gas Operator | May 1991 |
| 1183 | Griffin Energy Holdings, LLC | Plano, TX 75024 | Oil Operator | Feb 2026 |
| 1184 | Griffin Management LLC | | Oil & Gas Operator | Feb 2010 |
| 1185 | Griffin Operating | | Oil & Gas Operator | Mar 1995 |
| 1186 | Griffin Operating, Inc. | Tyler, TX 75702 | Oil & Gas Operator | Mar 2017 |
| 1187 | Griffin Petroleum Company | Midland, TX 79705 | Oil & Gas Operator | Feb 2026 |
| 1188 | Griffin Resources | Breckenridge, TX 76424 | Oil & Gas Operator | Oct 2003 |
| 1189 | Griffin Resources LLC | Breckenridge, TX 76424 | Oil & Gas Operator | Feb 2026 |
| 1190 | Griffin Resources, Inc. | | Oil & Gas Operator | Dec 2025 |
| 1191 | Griffin Southern Corp. | | Oil & Gas Operator | Jun 1983 |
| 1192 | Griffin Well Service Inc | Konawa, OK 74849-9710 | Oil & Gas Operator | Nov 2025 |
| 1193 | Griffin, Charles | Stafford, KS 67578 | Oil Operator | Sep 1997 |
| 1194 | Griffin, Charles N. | Pratt, KS 67124 | Oil & Gas Operator | Sep 2025 |
| 1195 | Griffis, Ronnie Et Al | | Oil & Gas Operator | Jan 2025 |
| 1196 | Griffith Petroleum Services Inc | Kingston, OK 73439 | Oil & Gas Operator | Nov 2025 |
| 1197 | Griffith Resources | Kilgore, TX 75663 | Oil & Gas Operator | Oct 2013 |
| 1198 | Griffith, Johnnie R. | O'Fallon, IL 62269 | Oil & Gas Operator | Dec 1996 |
| 1199 | Griffith, Michael P. | Falconer, NY 14733 | Gas Operator | Dec 2024 |
| 1200 | Griffith, Wesley | | Oil & Gas Operator | Jun 2000 |