| 9401 | Empire Exploration Inc | Wichita, KS 67202 | Oil & Gas Operator | Jul 1997 |
| 9402 | Empire Land Corporation | New Orleans, LA 70130 | Oil & Gas Operator | Nov 2014 |
| 9403 | Empire Louisiana LLC Of Delaware | | Oil & Gas Operator | Dec 2024 |
| 9404 | Empire New Mexico LLC | Tulsa, OK 74114 | Oil & Gas Operator | Jan 2025 |
| 9405 | Empire North Dakota LLC | Tulsa, OK 74114 | Oil & Gas Operator | Feb 2025 |
| 9406 | Empire Oil & Gas Co. | New Braunfels, TX 78132 | Oil & Gas Operator | Dec 2017 |
| 9407 | Empire Oil & Gas, Inc. | Harrisville, WV 26362 | Oil & Gas Operator | Dec 2021 |
| 9408 | Empire Oil Company | Coppell, TX 75019 | Oil & Gas Operator | Apr 2025 |
| 9409 | Empire Oil Of New Jersey | Post, TX 79356 | Oil & Gas Operator | Jan 1999 |
| 9410 | Empire Operating, Inc. | Pampa, TX 79066 | Oil & Gas Operator | Mar 2017 |
| 9411 | Empire Petroleum Company | Houston, TX 77044 | Oil Operator | Mar 2011 |
| 9412 | Empire Petroleum Corporation | Tulsa, OK 74137 | Oil & Gas Operator | Dec 2005 |
| 9413 | Empire Petroleum LLC | Salt Lake City, UT 84121-7021 | Oil & Gas Operator | Jun 2019 |
| 9414 | Empire Texas Operating LLC | Tulsa, OK 74114 | Oil & Gas Operator | Apr 2025 |
| 9415 | Empresa Energy IV, LLC | | Oil & Gas Operator | Aug 2019 |
| 9416 | Empresa Energy, LP | Houston, TX 77024 | Oil & Gas Operator | Jul 2009 |
| 9417 | Empresa Operating, LLC | | Oil & Gas Operator | Dec 2024 |
| 9418 | Emre Oil LLC | Moorcroft, WY 82721 | Oil Operator | Feb 2025 |
| 9419 | En Geo, Inc. | Richardson, TX 75081 | Oil & Gas Operator | Apr 2025 |
| 9420 | En/Drill America, Inc. | Crystal, MN 55428 | Oil & Gas Operator | Apr 2009 |
| 9421 | Enable Gas Transmission LLC | Houston, TX 77002 | Oil & Gas Operator | Sep 2022 |
| 9422 | Enable Midstream Partners, LP | Oklahoma City, OK 73124 | Oil Operator | Sep 2023 |
| 9423 | Enable Oklahoma Intrastate Transmission LLC | Houston, TX 77002 | Oil & Gas Operator | Jul 2022 |
| 9424 | Enbridge G & P (East Texas) L.P. | Houston, TX 77056 | Oil & Gas Operator | Sep 2018 |
| 9425 | Enbridge Offshore Pipelines(Seacrest) LP | | Oil Operator | Oct 2009 |
| 9426 | Enbridge P/LS (La Intra.)L.L.C. | | Oil Operator | Oct 2009 |
| 9427 | Enbridge Pipelines (Ne Texas) LP | Houston, TX 77002 | Oil & Gas Operator | Jan 2010 |
| 9428 | Encana Energy Resources Inc | Denver, CO 80202-2828 | Oil & Gas Operator | Feb 2024 |
| 9429 | Encana Oil & Gas (USA) Inc. | Denver, CO 80202 | Oil & Gas Operator | Oct 2020 |
| 9430 | Encina Resources, LLC | Houston, TX 77251 | Oil & Gas Operator | Apr 2025 |
| 9431 | Encino Exploration, Inc. | George West, TX 78022 | Oil & Gas Operator | Apr 2025 |
| 9432 | Encino Operating, LLC | Houston, TX 77057 | Oil & Gas Operator | Apr 2025 |
| 9433 | Enclave Operating, LLC | Shelby, MT 59474 | Oil & Gas Operator | May 2014 |
| 9434 | Enco Exploration Company | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Apr 2020 |
| 9435 | Enco Resources Inc. | Kingwood, TX 77325 | Oil & Gas Operator | Apr 2025 |
| 9436 | Encon Services, Inc. | Abilene, TX 79608 | Oil & Gas Operator | Apr 2025 |
| 9437 | Encore Energy Partners Operating LLC | Houston, TX 77057 | Oil & Gas Operator | Apr 2015 |
| 9438 | Encore Energy, Inc. | Gainesville, TX 76241 | Oil & Gas Operator | Mar 2015 |
| 9439 | Encore Operating Company | Denver, CO 80227 | Oil & Gas Operator | Dec 2024 |
| 9440 | Encore Operating Inc | Edmond, OK 73013-5417 | Oil Operator | Jan 2025 |
| 9441 | Encore Operating Kentucky LLC | Bowling Green, KY 42101 | Oil & Gas Operator | Dec 2023 |
| 9442 | Encore Operating Louisiana, LLC | | Oil & Gas Operator | Dec 2010 |
| 9443 | Encore Operating LP | Plano, TX 75024 | Oil & Gas Operator | Feb 2025 |
| 9444 | Encore Permian Operating, LLC | Uvalde, TX 78801 | Oil & Gas Operator | Apr 2025 |
| 9445 | Encorp, Inc. | Wichita, KS 67206 | Oil Operator | May 2007 |
| 9446 | Encrescent, LLC | Dallas, TX 75205 | Oil & Gas Operator | Apr 2025 |
| 9447 | Enczi Frank | Junction City, OH 43748 | Oil & Gas Operator | Dec 2016 |
| 9448 | End Of The Trails Re | | Oil Operator | Dec 2024 |
| 9449 | Endeavor Energy LLC | | Oil Operator | Sep 2023 |
| 9450 | Endeavor Energy Resources, LP | Midland, TX 79701 | Oil & Gas Operator | Apr 2025 |
| 9451 | Endeavor Natural Gas, LLC | Houston, TX 77002 | Oil & Gas Operator | Feb 2015 |
| 9452 | Endeavor Natural Gas, LP | Houston, TX 77002 | Oil & Gas Operator | Apr 2025 |
| 9453 | Endeavor Production Company | San Angelo, TX 76904 | Oil & Gas Operator | Mar 2008 |
| 9454 | Endeavour Operating Corp | Denver, CO 80202-2000 | Oil & Gas Operator | Sep 2015 |
| 9455 | Enderli Oil Company, Inc | Highlands, TX 77562 | Oil & Gas Operator | Aug 2003 |
| 9456 | Endevco Eureka LLC | Oklahoma City, OK 73102-9211 | Oil & Gas Operator | Apr 2014 |
| 9457 | Endicott Melvin F | Ponca City, OK 74601 | Oil & Gas Operator | Apr 2001 |
| 9458 | Endura Energy LLC | Lubbock, TX 79464 | Oil & Gas Operator | Jan 2025 |
| 9459 | Endurance Oil & Gas, Inc. | Minden, LA 71055 | Oil & Gas Operator | Apr 2025 |
| 9460 | Endurance Operating LLC | | Oil & Gas Operator | Dec 2024 |
| 9461 | Endurance Resources III Operating , LLC | Midland, TX 79701 | Oil & Gas Operator | Apr 2025 |
| 9462 | Endurance Resources LLC | Addison, TX 75001 | Oil & Gas Operator | Apr 2017 |
| 9463 | Enduring Resources, LLC | Greenwood VLG, CO 80111 | Oil & Gas Operator | Jan 2025 |
| 9464 | Enduro Operating LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Dec 2018 |
| 9465 | Enercap Corporation | Kingwood, TX 77325 | Oil & Gas Operator | Aug 2003 |
| 9466 | Enerco Energy Corporation | Norman, OK 73069-6643 | Oil & Gas Operator | Apr 2020 |
| 9467 | Enerco Exploration & MGMT. Co. | | Oil & Gas Operator | Aug 1981 |
| 9468 | Enerco Operating Corporation | Dallas, TX 75230 | Oil & Gas Operator | Jan 2025 |
| 9469 | Enercorp Resources, Inc. | Houston, TX 77027 | Oil & Gas Operator | Dec 1993 |
| 9470 | Enerdril Corporation | Moran, TX 76464 | Gas Operator | Dec 2015 |
| 9471 | Enerdyne, LLC | Albuquerque, NM 87123 | Oil & Gas Operator | Jan 2025 |
| 9472 | Enerex Limited Liability Co | Craig, CO 81625 | Oil & Gas Operator | Oct 2024 |
| 9473 | Enerex Supply, Inc. | Pampa, TX 79066 | Oil & Gas Operator | Nov 1993 |
| 9474 | Enerfin Field Services LLC | Houston, TX 77077 | Oil Operator | Nov 2024 |
| 9475 | Enerfin Resources I Limited Partnership | Houston, TX 77077-2386 | Oil & Gas Operator | Apr 2023 |
| 9476 | Enerfin Resources II-92 L.P. | Houston, TX 77077 | Oil & Gas Operator | Apr 2025 |
| 9477 | Enerfin Resources Northwest Limited Partnership | | Oil & Gas Operator | Jan 2022 |
| 9478 | Energas Corporation | Oklahoma City, OK 73105 | Oil & Gas Operator | Feb 2025 |
| 9479 | Energen Resources Corporation | Midland, TX 79701 | Oil & Gas Operator | Jan 2021 |
| 9480 | Energen Resources Maq Inc | Birmingham, AL 35203 | Oil & Gas Operator | Sep 2000 |
| 9481 | Energetics Inc | Englewood, CO 80155 | Oil & Gas Operator | Aug 1985 |
| 9482 | Energex Corp | Springfield, MO 65807 | Oil & Gas Operator | Jan 2025 |
| 9483 | Energex Inc. | Abilene, TX 79604 | Oil & Gas Operator | Apr 2025 |
| 9484 | Energex Oil & Gas Co. | | Oil Operator | Dec 2021 |
| 9485 | Energex Petroleum Inc | | Oil Operator | Sep 2019 |
| 9486 | Energex, LLC | Scottsdale, AZ 85255 | Oil & Gas Operator | Sep 2024 |
| 9487 | Energon Oil & Gas Inc. | Odessa, TX 79762 | Oil & Gas Operator | Aug 2003 |
| 9488 | Energon Oil, Inc. | Amarillo, TX 79114 | Oil & Gas Operator | Apr 2025 |
| 9489 | Energon3 | Rowlett, TX 75089 | Oil Operator | Apr 2025 |
| 9490 | Energy & Expl. PRTNRS Oper., LP | Fort Worth, TX 76147 | Oil & Gas Operator | Oct 2016 |
| 9491 | Energy + Savings, L.L.C. | Alamo, TX 78516 | Oil & Gas Operator | Jan 2008 |
| 9492 | Energy 2000, Inc. | Reno, NV 89501 | Oil & Gas Operator | Apr 2025 |
| 9493 | Energy Acquisition Corp And Weitzman Irvin | | Oil & Gas Operator | Dec 2003 |
| 9494 | Energy Acquisition Corp W W Energy Weitzman Irvin | | Oil & Gas Operator | Jun 2016 |
| 9495 | Energy Acquisitions, Inc. | Spring, TX 77379 | Oil & Gas Operator | Apr 1996 |
| 9496 | Energy Alliance Company Inc | | Oil & Gas Operator | Jan 2018 |
| 9497 | Energy Associates, Inc | Lexington, KY 40502 | Oil & Gas Operator | Dec 2023 |
| 9498 | Energy Contractors, Inc. | Canal Wincheste, OH 43110 | Oil & Gas Operator | Dec 2019 |
| 9499 | Energy Corp Of Amer | Charleston, WV 25311-1264 | Oil & Gas Operator | Mar 2018 |
| 9500 | Energy Corp. Of America, Inc. | | Oil & Gas Operator | Aug 1998 |