| 9301 | Enco Exploration Company | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Apr 2020 |
| 9302 | Enco Resources Inc. | Kingwood, TX 77325 | Oil & Gas Operator | Jun 2025 |
| 9303 | Encon Services, Inc. | Abilene, TX 79608 | Oil & Gas Operator | Jun 2025 |
| 9304 | Encore Energy Partners Operating LLC | Houston, TX 77057 | Oil & Gas Operator | Apr 2015 |
| 9305 | Encore Energy, Inc. | Gainesville, TX 76241 | Oil & Gas Operator | Mar 2015 |
| 9306 | Encore Operating Company | Denver, CO 80227 | Oil & Gas Operator | Feb 2025 |
| 9307 | Encore Operating Inc | Edmond, OK 73013-5417 | Oil Operator | Mar 2025 |
| 9308 | Encore Operating Kentucky LLC | Bowling Green, KY 42101 | Oil & Gas Operator | Dec 2023 |
| 9309 | Encore Operating Louisiana, LLC | | Oil & Gas Operator | Dec 2010 |
| 9310 | Encore Operating LP | Plano, TX 75024 | Oil & Gas Operator | Apr 2025 |
| 9311 | Encore Permian Operating, LLC | Uvalde, TX 78801 | Oil & Gas Operator | Jun 2025 |
| 9312 | Encorp, Inc. | Wichita, KS 67206 | Oil Operator | May 2007 |
| 9313 | Encrescent, LLC | Dallas, TX 75205 | Oil & Gas Operator | Jun 2025 |
| 9314 | Enczi Frank | Junction City, OH 43748 | Oil & Gas Operator | Dec 2016 |
| 9315 | End Of The Trails Re | | Oil Operator | Feb 2025 |
| 9316 | Endeavor Energy LLC | | Oil Operator | Sep 2023 |
| 9317 | Endeavor Energy Resources, LP | Midland, TX 79701 | Oil & Gas Operator | Jun 2025 |
| 9318 | Endeavor Natural Gas, LLC | Houston, TX 77002 | Oil & Gas Operator | Feb 2015 |
| 9319 | Endeavor Natural Gas, LP | Houston, TX 77002 | Oil & Gas Operator | Jun 2025 |
| 9320 | Endeavor Production Company | San Angelo, TX 76904 | Oil & Gas Operator | Mar 2008 |
| 9321 | Endeavour Operating Corp | Denver, CO 80202-2000 | Oil & Gas Operator | Sep 2015 |
| 9322 | Enderli Oil Company, Inc | Highlands, TX 77562 | Oil & Gas Operator | Aug 2003 |
| 9323 | Endevco Eureka LLC | Oklahoma City, OK 73102-9211 | Oil & Gas Operator | Apr 2014 |
| 9324 | Endicott Melvin F | Ponca City, OK 74601 | Oil & Gas Operator | Apr 2001 |
| 9325 | Endura Energy LLC | Lubbock, TX 79464 | Oil & Gas Operator | Jan 2025 |
| 9326 | Endurance Oil & Gas, Inc. | Minden, LA 71055 | Oil & Gas Operator | Jun 2025 |
| 9327 | Endurance Operating LLC | | Oil & Gas Operator | Dec 2024 |
| 9328 | Endurance Resources III Operating , LLC | Midland, TX 79701 | Oil & Gas Operator | Jun 2025 |
| 9329 | Endurance Resources LLC | Addison, TX 75001 | Oil & Gas Operator | Apr 2017 |
| 9330 | Enduring Resources, LLC | Greenwood VLG, CO 80111 | Oil & Gas Operator | Apr 2025 |
| 9331 | Enduro Operating LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Dec 2018 |
| 9332 | Enercap Corporation | Kingwood, TX 77325 | Oil & Gas Operator | Aug 2003 |
| 9333 | Enerco Energy Corporation | Norman, OK 73069-6643 | Oil & Gas Operator | Apr 2020 |
| 9334 | Enerco Exploration & MGMT. Co. | | Oil & Gas Operator | Aug 1981 |
| 9335 | Enerco Operating Corporation | Dallas, TX 75230 | Oil & Gas Operator | Jan 2025 |
| 9336 | Enercorp Resources, Inc. | Houston, TX 77027 | Oil & Gas Operator | Dec 1993 |
| 9337 | Enerdril Corporation | Moran, TX 76464 | Gas Operator | Dec 2015 |
| 9338 | Enerdyne, LLC | Albuquerque, NM 87123 | Oil & Gas Operator | Feb 2025 |
| 9339 | Enerex Limited Liability Co | Craig, CO 81625 | Oil & Gas Operator | Mar 2025 |
| 9340 | Enerex Supply, Inc. | Pampa, TX 79066 | Oil & Gas Operator | Nov 1993 |
| 9341 | Enerfin Field Services LLC | Houston, TX 77077 | Oil Operator | Nov 2024 |
| 9342 | Enerfin Gathering-East LLC | Houston, TX 77077 | Oil & Gas Operator | Nov 2022 |
| 9343 | Enerfin Resources I Limited Partnership | Houston, TX 77077-2386 | Oil & Gas Operator | Apr 2023 |
| 9344 | Enerfin Resources II-92 L.P. | Houston, TX 77077 | Oil & Gas Operator | Jun 2025 |
| 9345 | Enerfin Resources Northwest Limited Partnership | | Oil & Gas Operator | Jan 2022 |
| 9346 | Energas Corporation | Oklahoma City, OK 73105 | Oil & Gas Operator | Feb 2025 |
| 9347 | Energen Resources Corporation | Midland, TX 79701 | Oil & Gas Operator | Jan 2021 |
| 9348 | Energen Resources Maq Inc | Birmingham, AL 35203 | Oil & Gas Operator | Sep 2000 |
| 9349 | Energetics Inc | Englewood, CO 80155 | Oil & Gas Operator | Aug 1985 |
| 9350 | Energex Corp | Springfield, MO 65807 | Oil & Gas Operator | Mar 2025 |
| 9351 | Energex Inc. | Abilene, TX 79604 | Oil & Gas Operator | Jun 2025 |
| 9352 | Energex Oil & Gas Co. | | Oil Operator | Dec 2021 |
| 9353 | Energex Petroleum Inc | | Oil Operator | Sep 2019 |
| 9354 | Energex, LLC | Scottsdale, AZ 85255 | Oil & Gas Operator | Sep 2024 |
| 9355 | Energon Oil & Gas Inc. | Odessa, TX 79762 | Oil & Gas Operator | Aug 2003 |
| 9356 | Energon Oil, Inc. | Amarillo, TX 79114 | Oil & Gas Operator | Jun 2025 |
| 9357 | Energon3 | Rowlett, TX 75089 | Oil Operator | Jun 2025 |
| 9358 | Energy & Expl. PRTNRS Oper., LP | Fort Worth, TX 76147 | Oil & Gas Operator | Oct 2016 |
| 9359 | Energy + Savings, L.L.C. | Alamo, TX 78516 | Oil & Gas Operator | Jan 2008 |
| 9360 | Energy 2000, Inc. | Reno, NV 89501 | Oil & Gas Operator | Jun 2025 |
| 9361 | Energy Acquisition Corp And Weitzman Irvin | | Oil & Gas Operator | Dec 2003 |
| 9362 | Energy Acquisition Corp W W Energy Weitzman Irvin | | Oil & Gas Operator | Jun 2016 |
| 9363 | Energy Acquisitions, Inc. | Spring, TX 77379 | Oil & Gas Operator | Apr 1996 |
| 9364 | Energy Alliance Company Inc | | Oil & Gas Operator | Jan 2018 |
| 9365 | Energy Associates, Inc | Lexington, KY 40502 | Oil & Gas Operator | Dec 2023 |
| 9366 | Energy Contractors, Inc. | Canal Wincheste, OH 43110 | Oil & Gas Operator | Dec 2019 |
| 9367 | Energy Corp Of Amer | Charleston, WV 25311-1264 | Oil & Gas Operator | Mar 2018 |
| 9368 | Energy Corp. Of America, Inc. | | Oil & Gas Operator | Aug 1998 |
| 9369 | Energy Corporation Of America | Charleston, WV 25311 | Oil & Gas Operator | Dec 2023 |
| 9370 | Energy Dev Corp | | Oil & Gas Operator | Mar 1998 |
| 9371 | Energy Development Corporation | Houston, TX 77067 | Oil & Gas Operator | Dec 2024 |
| 9372 | Energy Development Of California Inc. | | Oil & Gas Operator | Dec 2004 |
| 9373 | Energy Distributors Inc | Zanesville, OH 43701 | Oil & Gas Operator | Dec 1987 |
| 9374 | Energy Enterprises, LLC | MT Vernon, IL 62864 | Oil Operator | Dec 2023 |
| 9375 | Energy Environment Inc | Holdenville, OK 74848-0765 | Oil & Gas Operator | Jul 2016 |
| 9376 | Energy Equity Company | Columbus, MT 59019 | Oil & Gas Operator | Apr 2025 |
| 9377 | Energy Exchange Corporation | Oklahoma City, OK 73112 | Oil Operator | Mar 2025 |
| 9378 | Energy Explorati | | Oil & Gas Operator | Oct 1993 |
| 9379 | Energy Exploration & Development | Cortland, OH 44410 | Oil & Gas Operator | Dec 2022 |
| 9380 | Energy Exploration & Production, Inc. | Wichita, KS 67201 | Oil Operator | Jan 2004 |
| 9381 | Energy Exploration Company | | Oil & Gas Operator | Feb 1991 |
| 9382 | Energy Finders, Inc. | | Oil & Gas Operator | Dec 1981 |
| 9383 | Energy From Texas, L. P. | Dallas, TX 75230 | Oil & Gas Operator | Dec 2013 |
| 9384 | Energy Frontiers Partners, LP | Grapevine, TX 76051 | Oil Operator | May 2008 |
| 9385 | Energy Group Of America, Inc. | Hollister, MO 65672 | Oil Operator | Jun 2025 |
| 9386 | Energy Hunter Resources, Inc. | Houston, TX 77024 | Oil & Gas Operator | Feb 2019 |
| 9387 | Energy Investments Inc | | Oil & Gas Operator | Feb 2025 |
| 9388 | Energy Lease Service Inc | Drumright, OK 74030-7403 | Oil & Gas Operator | Mar 2025 |
| 9389 | Energy Managemen | | Oil & Gas Operator | Jul 1991 |
| 9390 | Energy Management Company | Kilgore, TX 75663 | Oil Operator | Apr 2020 |
| 9391 | Energy Management Company Of Texas | | Oil & Gas Operator | Dec 2024 |
| 9392 | Energy Management Corp. | | Oil & Gas Operator | Apr 1999 |
| 9393 | Energy Marketing | | Oil & Gas Operator | May 1995 |
| 9394 | Energy Marketing, Inc. | Omaha, NE 68102 | Oil & Gas Operator | Jul 2005 |
| 9395 | Energy Oil & Gas Corporation | Austin, TX 78746 | Oil & Gas Operator | Jun 2025 |
| 9396 | Energy Oil And Gas Inc | | Oil & Gas Operator | Dec 2010 |
| 9397 | Energy One Oil Operations | | Oil Operator | Mar 2003 |
| 9398 | Energy Onramp LLC | Midland, TX 79701 | Oil & Gas Operator | Jun 2025 |
| 9399 | Energy Operating Company Inc | Lakewood, CO 80235 | Oil & Gas Operator | Dec 2012 |
| 9400 | Energy Operating Corporation | Plano, TX 75093-4409 | Oil & Gas Operator | Sep 2013 |