| 9101 | Enbridge Pipelines (Ne Texas) LP | Houston, TX 77002 | Oil & Gas Operator | Jan 2010 |
| 9102 | Encana Energy Resources Inc | Denver, CO 80202-2828 | Oil & Gas Operator | Feb 2024 |
| 9103 | Encana Oil & Gas (USA) Inc. | Denver, CO 80202 | Oil & Gas Operator | Oct 2020 |
| 9104 | Encina Resources, LLC | Houston, TX 77251 | Oil & Gas Operator | May 2026 |
| 9105 | Encino Exploration, Inc. | George West, TX 78022 | Oil & Gas Operator | May 2026 |
| 9106 | Encino Operating, LLC | Houston, TX 77057 | Oil & Gas Operator | May 2026 |
| 9107 | Enclave Operating, LLC | Shelby, MT 59474 | Oil & Gas Operator | May 2014 |
| 9108 | Enco Exploration Company | Corpus Christ, TX 78401 | Oil & Gas Operator | Apr 2020 |
| 9109 | Enco Resources Inc. | Kingwood, TX 77325 | Oil & Gas Operator | May 2026 |
| 9110 | Encon Services, Inc. | Abilene, TX 79608 | Oil & Gas Operator | May 2026 |
| 9111 | Encore Energy Partners Operating LLC | Houston, TX 77057 | Oil & Gas Operator | Apr 2015 |
| 9112 | Encore Energy, Inc. | Gainesville, TX 76241 | Oil & Gas Operator | Mar 2015 |
| 9113 | Encore Operating Company | Denver, CO 80227 | Oil & Gas Operator | Dec 2019 |
| 9114 | Encore Operating Inc | Edmond, OK 73013-5417 | Oil Operator | Jan 2026 |
| 9115 | Encore Operating Kentucky LLC | Bowling Green, KY 42101 | Oil & Gas Operator | Dec 2023 |
| 9116 | Encore Operating Louisiana, LLC | | Oil & Gas Operator | Dec 2010 |
| 9117 | Encore Operating LP | Plano, TX 75024 | Oil & Gas Operator | Feb 2026 |
| 9118 | Encore Permian Operating, LLC | Uvalde, TX 78801 | Oil & Gas Operator | May 2026 |
| 9119 | Encorp, Inc. | Wichita, KS 67206 | Oil Operator | May 2007 |
| 9120 | Encrescent, LLC | Dallas, TX 75205 | Oil & Gas Operator | May 2026 |
| 9121 | Enczi Frank | Junction City, OH 43748 | Oil & Gas Operator | Dec 2016 |
| 9122 | End Of The Trails Re | | Oil Operator | Dec 2025 |
| 9123 | Endeavor Drilling, Inc. | Wagoner, OK 74467 | Oil Operator | Jan 2026 |
| 9124 | Endeavor Energy LLC | | Oil Operator | Sep 2023 |
| 9125 | Endeavor Energy Resources, LP | Midland, TX 79701 | Oil & Gas Operator | Feb 2026 |
| 9126 | Endeavor Natural Gas, LLC | Houston, TX 77002 | Oil & Gas Operator | Feb 2015 |
| 9127 | Endeavor Natural Gas, LP | Houston, TX 77002 | Oil & Gas Operator | May 2026 |
| 9128 | Endeavor Production Company | San Angelo, TX 76904 | Oil & Gas Operator | Mar 2008 |
| 9129 | Endeavour Operating Corp | Denver, CO 80202-2000 | Gas Operator | Jun 2014 |
| 9130 | Enderli Oil Company, Inc | Highlands, TX 77562 | Oil & Gas Operator | Aug 2003 |
| 9131 | Endevco Eureka LLC | Oklahoma City, OK 73102-9211 | Oil & Gas Operator | Apr 2014 |
| 9132 | Endicott Melvin F | Ponca City, OK 74601 | Oil & Gas Operator | Apr 2001 |
| 9133 | Endura Energy LLC | Lubbock, TX 79464 | Oil & Gas Operator | Jan 2025 |
| 9134 | Endurance Oil & Gas, Inc. | Minden, LA 71055 | Oil & Gas Operator | May 2026 |
| 9135 | Endurance Operating LLC | | Oil & Gas Operator | Dec 2024 |
| 9136 | Endurance Resources LLC | Addison, TX 75001 | Oil & Gas Operator | Apr 2017 |
| 9137 | Enduring Resources, LLC | Greenwood VLG, CO 80111 | Oil & Gas Operator | Feb 2026 |
| 9138 | Enduro Operating LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Dec 2018 |
| 9139 | Enercap Corporation | Kingwood, TX 77325 | Oil & Gas Operator | Aug 2003 |
| 9140 | Enerco Energy Corporation | Norman, OK 73069-6643 | Oil & Gas Operator | Apr 2020 |
| 9141 | Enerco Exploration & MGMT. Co. | | Oil & Gas Operator | Aug 1981 |
| 9142 | Enerco Operating Corporation | Dallas, TX 75240 | Oil & Gas Operator | Jan 2025 |
| 9143 | Enercorp Resources, Inc. | Houston, TX 77027 | Oil & Gas Operator | Dec 1993 |
| 9144 | Enerdril Corporation | Moran, TX 76464 | Gas Operator | Dec 2015 |
| 9145 | Enerdyne, LLC | Albuquerque, NM 87123 | Oil & Gas Operator | Feb 2026 |
| 9146 | Enerex Limited Liability Co | Craig, CO 81625 | Oil & Gas Operator | Sep 2025 |
| 9147 | Enerex Supply, Inc. | Pampa, TX 79066 | Oil & Gas Operator | Nov 1993 |
| 9148 | Enerfin Field Services LLC | Houston, TX 77077 | Oil Operator | Nov 2024 |
| 9149 | Enerfin Gathering-East LLC | Houston, TX 77077 | Oil & Gas Operator | Nov 2022 |
| 9150 | Enerfin Resources I Limited Partnership | Houston, TX 77077-2386 | Oil & Gas Operator | Apr 2023 |
| 9151 | Enerfin Resources II-92 L.P. | Houston, TX 77077 | Oil & Gas Operator | Sep 2025 |
| 9152 | Enerfin Resources Northwest Limited Partnership | | Oil & Gas Operator | Jan 2022 |
| 9153 | Energas Corporation | Oklahoma City, OK 73105 | Oil & Gas Operator | Jul 2025 |
| 9154 | Energen Resources Corporation | Midland, TX 79701 | Oil & Gas Operator | Jan 2021 |
| 9155 | Energen Resources Maq Inc | Birmingham, AL 35203 | Oil & Gas Operator | Sep 2000 |
| 9156 | Energetics Inc | Englewood, CO 80155 | Oil & Gas Operator | Aug 1985 |
| 9157 | Energex Corp | Springfield, MO 65807 | Oil & Gas Operator | Feb 2026 |
| 9158 | Energex Inc. | Abilene, TX 79604 | Oil & Gas Operator | May 2026 |
| 9159 | Energex Petroleum Inc | | Oil Operator | Sep 2019 |
| 9160 | Energex, LLC | Scottsdale, AZ 85255 | Oil & Gas Operator | Sep 2024 |
| 9161 | Energon Oil & Gas Inc. | Odessa, TX 79762 | Oil & Gas Operator | Aug 2003 |
| 9162 | Energon Oil, Inc. | Amarillo, TX 79114 | Oil & Gas Operator | May 2026 |
| 9163 | Energon3 | Rowlett, TX 75089 | Oil Operator | May 2026 |
| 9164 | Energy & Expl. PRTNRS Oper., LP | Fort Worth, TX 76147 | Oil & Gas Operator | Oct 2016 |
| 9165 | Energy + Savings, L.L.C. | Alamo, TX 78516 | Oil & Gas Operator | Jan 2008 |
| 9166 | Energy 2000, Inc. | Reno, NV 89501 | Oil & Gas Operator | May 2026 |
| 9167 | Energy Acquisition Corp And Weitzman Irvin | | Oil & Gas Operator | Dec 2003 |
| 9168 | Energy Acquisition Corp W W Energy Weitzman Irvin | | Oil & Gas Operator | Jun 2016 |
| 9169 | Energy Acquisitions, Inc. | Spring, TX 77379 | Oil & Gas Operator | Apr 1996 |
| 9170 | Energy Alliance Company Inc | | Oil & Gas Operator | Jan 2018 |
| 9171 | Energy Associates, Inc | Lexington, KY 40502 | Oil & Gas Operator | Dec 2024 |
| 9172 | Energy Contractors, Inc. | Canal Wincheste, OH 43110 | Oil & Gas Operator | Dec 2019 |
| 9173 | Energy Corp Of Amer | Charleston, WV 25311-1264 | Oil & Gas Operator | Mar 2018 |
| 9174 | Energy Corp. Of America, Inc. | | Oil & Gas Operator | Aug 1998 |
| 9175 | Energy Corporation Of America | Charleston, WV 25311 | Oil & Gas Operator | Dec 2024 |
| 9176 | Energy Dev Corp | | Oil & Gas Operator | Mar 1998 |
| 9177 | Energy Development Corporation | Houston, TX 77067 | Oil & Gas Operator | Dec 2025 |
| 9178 | Energy Development Of California Inc. | | Oil & Gas Operator | Dec 2004 |
| 9179 | Energy Distributors Inc | Zanesville, OH 43701 | Oil & Gas Operator | Dec 1987 |
| 9180 | Energy Enterprises, LLC | MT Vernon, IL 62864 | Oil Operator | Dec 2023 |
| 9181 | Energy Environment Inc | Holdenville, OK 74848-0765 | Oil & Gas Operator | Jul 2016 |
| 9182 | Energy Equity Company | Columbus, MT 59019 | Oil & Gas Operator | Feb 2026 |
| 9183 | Energy Exchange Corporation | Oklahoma City, OK 73112 | Oil Operator | Jan 2026 |
| 9184 | Energy Explorati | | Oil & Gas Operator | Oct 1993 |
| 9185 | Energy Exploration & Development | Cortland, OH 44410 | Oil & Gas Operator | Dec 2024 |
| 9186 | Energy Exploration & Production, Inc. | Wichita, KS 67201 | Oil Operator | Jan 2004 |
| 9187 | Energy Exploration Co | | Oil & Gas Operator | Feb 1991 |
| 9188 | Energy Finders, Inc. | | Oil & Gas Operator | Dec 1981 |
| 9189 | Energy From Texas, L. P. | Dallas, TX 75230 | Oil & Gas Operator | Dec 2013 |
| 9190 | Energy Frontiers Partners, LP | Grapevine, TX 76051 | Oil Operator | May 2008 |
| 9191 | Energy Group Of America, Inc. | Hollister, MO 65672 | Oil Operator | May 2026 |
| 9192 | Energy Hunter Resources, Inc. | Houston, TX 77024 | Oil & Gas Operator | Feb 2019 |
| 9193 | Energy Investments Inc. | | Oil & Gas Operator | Oct 2025 |
| 9194 | Energy Lease Service Inc | Drumright, OK 74030-7403 | Oil & Gas Operator | Jan 2026 |
| 9195 | Energy Managemen | | Oil & Gas Operator | Jul 1991 |
| 9196 | Energy Management Company | Kilgore, TX 75663 | Oil Operator | Apr 2020 |
| 9197 | Energy Management Company Of Texas | | Oil & Gas Operator | Dec 2024 |
| 9198 | Energy Management Corp. | | Oil & Gas Operator | Apr 1999 |
| 9199 | Energy Marketing | | Oil & Gas Operator | May 1995 |
| 9200 | Energy Marketing, Inc. | Omaha, NE 68102 | Oil & Gas Operator | Jul 2005 |