| 1101 | Evans-Brant (Lake Shore) Central School District | Angola, NY 14006 | Gas Operator | Dec 2023 |
| 1102 | Evantech Energy Corp. | Fort Worth, TX 76120 | Oil & Gas Operator | Apr 1995 |
| 1103 | Evarado Oil Company | Strawn, TX 76475 | Oil & Gas Operator | Apr 2025 |
| 1104 | Evarado Oil, LLC | Strawn, TX 76475 | Oil & Gas Operator | Apr 2025 |
| 1105 | Evenson Oil Oper | | Oil Operator | Nov 1991 |
| 1106 | Everest Minerals Corp. | Corpus Chrsti, TX 78403 | Oil & Gas Operator | Apr 2001 |
| 1107 | Everest Network LLC | Eastland, TX 76448 | Oil & Gas Operator | Apr 2025 |
| 1108 | Everest Oil & Gas LLC | Santa Barbara, CA 93101 | Oil Operator | Feb 2025 |
| 1109 | Everest Resource Company | Corpus Chrsti, TX 78403 | Oil & Gas Operator | Apr 2025 |
| 1110 | Everett Oil | San Antonio, TX 78258 | Oil & Gas Operator | Apr 2015 |
| 1111 | Everett Oil, Inc. | San Antonio, TX 78258 | Oil Operator | Apr 2025 |
| 1112 | Everett, Jack T | | Oil Operator | Apr 2007 |
| 1113 | Everett, Joe Mack | Throckmorton, TX 76483 | Oil & Gas Operator | Apr 2025 |
| 1114 | Everflow Eastern Inc | Canfield, OH 44406-0629 | Oil & Gas Operator | Dec 2024 |
| 1115 | Everflow Eastern Partners LP | Canfield, OH 44406 | Oil & Gas Operator | Dec 2024 |
| 1116 | Everglow Energy, LLC | Oklahoma City, OK 73162 | Oil & Gas Operator | Dec 2024 |
| 1117 | Evergreen Drilling LLC | Edmond, OK 73083-7088 | Oil Operator | Apr 2020 |
| 1118 | Evergreen Energy, Inc | Houston, TX 77098 | Oil & Gas Operator | Apr 2025 |
| 1119 | Evergreen Natural Resources LLC | | Gas Operator | Feb 2025 |
| 1120 | Evergreen Operating Co., LTD. | McAllen, TX 78502 | Oil & Gas Operator | Apr 2025 |
| 1121 | Evergreen Operating Company | Denver, CO 80202 | Oil & Gas Operator | Apr 1996 |
| 1122 | Evergreen Operating Corp | Denver, CO 80202 | Oil & Gas Operator | Dec 2019 |
| 1123 | Evergreen Resource Co | Warren, PA 16365-4321 | Oil & Gas Operator | Dec 2024 |
| 1124 | Everman, Henry G. | Dansville, NY 14437 | Gas Operator | Dec 2023 |
| 1125 | Everquest Energy Corporation | Fredericksbrg, TX 78624 | Oil & Gas Operator | Apr 2025 |
| 1126 | Evertson Oil Company Inc | Kimball, NE 69145 | Oil & Gas Operator | Sep 2001 |
| 1127 | Evertson Operating Company Inc | Kimball, NE 69145 | Oil & Gas Operator | Nov 2022 |
| 1128 | Evinger, Ernest E. | Midland, TX 79705 | Oil & Gas Operator | Mar 2002 |
| 1129 | Evolution Energy LLC | Oklahoma City, OK 73116 | Oil & Gas Operator | Jan 2025 |
| 1130 | Evolution Oil & | | Oil & Gas Operator | Apr 1993 |
| 1131 | Evolution Operating Co., Inc. | Houston, TX 77079 | Oil & Gas Operator | Apr 2025 |
| 1132 | Evolution Resources, LLC | Houston, TX 77070 | Oil & Gas Operator | Apr 2025 |
| 1133 | Ewm Services, LLC | Morganfield, KY 42437 | Oil Operator | Dec 2022 |
| 1134 | Ewsc Inc | Kenosha, WI 53142-3775 | Oil & Gas Operator | Apr 2020 |
| 1135 | Ewt Operating Company | Andrews, TX 79714 | Oil & Gas Operator | Apr 2025 |
| 1136 | Ex-Cel Resources, LLC | Breckenridge, TX 76424 | Oil & Gas Operator | Apr 2025 |
| 1137 | Exaro Energy II, LLC | Houston, TX 77057 | Oil & Gas Operator | Apr 2025 |
| 1138 | Excalibur E & P, LLC | Johnson City, TX 78636 | Oil & Gas Operator | Apr 2025 |
| 1139 | Excalibur Exploration Inc | Greentown, OH 44630-362-362 | Oil & Gas Operator | Dec 2020 |
| 1140 | Excalibur Operating, LLC | | Oil & Gas Operator | Nov 2024 |
| 1141 | Excalibur Prod C | | Oil & Gas Operator | Jun 1995 |
| 1142 | Excalibur Production Company, Inc. | McPherson, KS 67460 | Oil & Gas Operator | Dec 2024 |
| 1143 | Excalibur Resources LLC | Houston, TX 77002-5220 | Oil & Gas Operator | Jan 2025 |
| 1144 | Excalibur Resources, Inc. | | Oil & Gas Operator | Apr 1986 |
| 1145 | Exceed Petroleum LLC | Houston, TX 77070 | Oil & Gas Operator | Apr 2025 |
| 1146 | Excel Energy Co. | Coahoma, TX 79511 | Oil & Gas Operator | Apr 2025 |
| 1147 | Excel Energy, Inc. | Cisco, TX 76437 | Oil & Gas Operator | Apr 2025 |
| 1148 | Excel Oil & Gas L.L.C. | Bucyrus, KS 66013 | Oil Operator | Dec 2024 |
| 1149 | Excel Oil & Gas, Inc. | Waxahachie, TX 75168 | Oil & Gas Operator | Apr 2025 |
| 1150 | Excel Operating Corporation | | Oil & Gas Operator | Dec 2024 |
| 1151 | Excel Operating Inc | Dallas, TX 75234-7300 | Oil & Gas Operator | Jun 2022 |
| 1152 | Excel Production Inc | Lubbock, TX 79424-2341 | Oil Operator | Apr 2020 |
| 1153 | Excel Royalty Company, LLC | | Oil Operator | Jun 2022 |
| 1154 | Excelco Energy Inc. | Kingwood, TX 77339 | Oil & Gas Operator | Jul 2018 |
| 1155 | Excelsior Oil Corporation | | Oil & Gas Operator | May 1985 |
| 1156 | Exchange Avenue Production Co. | Weatherford, TX 76086 | Oil & Gas Operator | Sep 2021 |
| 1157 | Exchange Expl & Prodn Co | | Oil Operator | Oct 2023 |
| 1158 | Exchange Exploration & Production Co. | Dallas, TX 75219 | Oil & Gas Operator | Jan 2025 |
| 1159 | Exchange Oil & Gas Company | | Oil & Gas Operator | Oct 1996 |
| 1160 | Exchange Oil & Gas Corporation | Tulsa, OK 74103 | Oil & Gas Operator | Oct 1987 |
| 1161 | Exco - North Coast Energy Inc | Kittanning, PA 16201 | Oil & Gas Operator | Dec 2018 |
| 1162 | Exco Operating Company, LP | Dallas, TX 75251 | Oil & Gas Operator | Apr 2025 |
| 1163 | Exco Partners Operating PTSHP LP | Dallas, TX 75251 | Oil & Gas Operator | Jan 2009 |
| 1164 | Exco Production Company, LP | Dallas, TX 75251 | Oil & Gas Operator | Dec 2009 |
| 1165 | Exco Resources (Pa), LLC | Dallas, TX 75251-2224 | Oil & Gas Operator | Jan 2025 |
| 1166 | Exco Resources (WV), Inc. | | Oil & Gas Operator | Dec 2020 |
| 1167 | Exco Resources Inc | Dallas, TX 75251 | Oil & Gas Operator | Jan 2025 |
| 1168 | Exco Resources Pa Inc | Warrendale, PA 15086-6501 | Oil & Gas Operator | Dec 2011 |
| 1169 | Exco/Hgi JV Assets, LLC | Dallas, TX 75251 | Oil & Gas Operator | Jun 2014 |
| 1170 | Executive Production, Inc. | Tyler, TX 75713 | Oil & Gas Operator | Apr 2025 |
| 1171 | Executive Properties Inc | Amarillo, TX 79110 | Oil & Gas Operator | Aug 1994 |
| 1172 | Exeter Drilling Company | Denver, CO 80217 | Oil & Gas Operator | Sep 1997 |
| 1173 | Exeter Exploration Co. | | Oil & Gas Operator | Aug 1985 |
| 1174 | Exit Inc | | Oil Operator | Dec 1983 |
| 1175 | Exit Oil & Gas | Flower Mound, TX 75028 | Oil & Gas Operator | Apr 2025 |
| 1176 | Exl Petroleum Operating Inc. | Midland, TX 79705 | Oil & Gas Operator | Feb 2020 |
| 1177 | Exl Petroleum, LP | Midland, TX 79705 | Oil & Gas Operator | Jun 2017 |
| 1178 | Exlco, Inc. | Wichita Falls, TX 76308 | Oil & Gas Operator | Apr 2025 |
| 1179 | Exley Oil & Gas Corp | Lemont, PA 16851-0425 | Oil & Gas Operator | Dec 2019 |
| 1180 | Exmoor Oil & Minerals Corp. | Dallas, TX 75225 | Oil & Gas Operator | May 1994 |
| 1181 | Exodus Energy, Inc. | | Oil & Gas Operator | Jul 2018 |
| 1182 | Exodus Gas & Oil LLC | Houston, TX 77002 | Oil & Gas Operator | Jan 2024 |
| 1183 | Exok, Inc. | Oklahoma City, OK 73116 | Oil & Gas Operator | Jan 2025 |
| 1184 | Exoko Operating Company Inc | Tulsa, OK 74170-0246 | Oil & Gas Operator | Jan 2006 |
| 1185 | Exorare Energy, Inc. | Dallas, TX 75218 | Oil & Gas Operator | Apr 2025 |
| 1186 | Exoro Energy, L.L.C. | | Oil & Gas Operator | Jun 2021 |
| 1187 | Exotic Oil & Gas LLC | Indiana, PA 15701-3634 | Oil & Gas Operator | Dec 2024 |
| 1188 | Exp, Inc. | Dallas, TX 75244 | Oil & Gas Operator | May 2003 |
| 1189 | Expanding Energy Corporation | New Braunfels, TX 78132 | Oil & Gas Operator | Mar 2008 |
| 1190 | Expando Production Co. | | Oil & Gas Operator | Oct 1988 |
| 1191 | Expert Oil & Gas, L.L.C. | | Oil & Gas Operator | Nov 2024 |
| 1192 | Explo Oil, Inc. | Dallas, TX 75251 | Oil & Gas Operator | Apr 2025 |
| 1193 | Exploration Associates | Oklahoma City, OK 73102-8606 | Oil & Gas Operator | Mar 2015 |
| 1194 | Exploration Associates II LLC | Oklahoma City, OK 73102-8815 | Oil & Gas Operator | Jan 2013 |
| 1195 | Exploration Company, The | San Antonio, TX 78258 | Oil & Gas Operator | Jun 2010 |
| 1196 | Exploration Energy Inc | Cortland, OH 44410 | Oil & Gas Operator | Dec 2009 |
| 1197 | Exploration Professionals Inc | Chelsea, OK 74016-0066 | Oil Operator | Dec 2023 |
| 1198 | Exploration Techniques Inc. | Houston, TX 77027 | Oil & Gas Operator | Apr 2025 |
| 1199 | Exploration Technologies Inc | Crescent, OK 73028-0546 | Oil & Gas Operator | Mar 2015 |
| 1200 | Explore Energy Corp. | Westerville, OH 43086 | Oil & Gas Operator | Dec 2016 |