| 9401 | Escambia Operating Co., LLC | Gulfport, MS 39501 | Oil & Gas Operator | Feb 2026 |
| 9402 | Escher Corporation | Oklahoma City, OK 73120 | Oil & Gas Operator | Mar 2026 |
| 9403 | Esco Exploration, Inc | Dallas, TX 75201 | Oil & Gas Operator | Mar 2015 |
| 9404 | Esco Oil & Gas, Inc. | | Oil & Gas Operator | Nov 2009 |
| 9405 | Esco Oil Operating Company LLC | Houston, TX 77007 | Oil & Gas Operator | Jun 2026 |
| 9406 | Escoba Royalty Corporation | San Antonio, TX 78217 | Oil & Gas Operator | Nov 2005 |
| 9407 | Escondido Bay Corporation | Dallas, TX 75202 | Oil & Gas Operator | Jun 2026 |
| 9408 | Escondido Operating, Inc. | Carrollton, TX 75011 | Oil & Gas Operator | Jun 2013 |
| 9409 | Escondido Petroleum Company, Inc | Houston, TX 77063 | Oil & Gas Operator | Jun 2026 |
| 9410 | Escondido Resources GP, LLC | Midland, TX 79708 | Oil & Gas Operator | Dec 2007 |
| 9411 | Escondido Resources II, LLC | Houston, TX 77002 | Oil & Gas Operator | Apr 2017 |
| 9412 | Escondido Resources Oper Co, LLC | Houston, TX 77002 | Oil & Gas Operator | Jun 2026 |
| 9413 | Escott Oil Inc | Nowata, OK 74048 | Oil & Gas Operator | Feb 2000 |
| 9414 | Escudo Oil & Gas, LLC | Houston, TX 77006 | Oil & Gas Operator | Jun 2026 |
| 9415 | Esenjay Exploration, Inc | Houston, TX 77042 | Oil & Gas Operator | Mar 2026 |
| 9416 | Esenjay Petroleum Corp. | Corpus Chrsti, TX 78471 | Oil & Gas Operator | Jul 1998 |
| 9417 | Esg Resources LLC | Dallas, TX 75231 | Oil & Gas Operator | Jun 2026 |
| 9418 | Esis Inc | | Oil & Gas Operator | Feb 2017 |
| 9419 | Eskridge Oil & Supply | Tulsa, OK 74105 | Oil Operator | Aug 2014 |
| 9420 | Eskridge Production Company | Tulsa, OK 74112-1428 | Oil Operator | Sep 2019 |
| 9421 | Eslick Nancy Sue | Bristow, OK 74010-3873 | Oil Operator | Aug 2013 |
| 9422 | Esna Operating Co., Inc. | Wichita Falls, TX 76301 | Oil & Gas Operator | Oct 1994 |
| 9423 | Esoterra, Inc. | Granbury, TX 76049 | Oil & Gas Operator | Jun 2026 |
| 9424 | Esp Development, Inc. | Salina, KS 67401 | Oil Operator | Jan 2026 |
| 9425 | Esp Energy, LLC | Nocona, TX 76255 | Oil Operator | Jun 2026 |
| 9426 | Espada Operating LLC | San Antonio, TX 78209 | Oil Operator | Jun 2026 |
| 9427 | Esper Production Co | Arlington, TX 76011-2427 | Oil & Gas Operator | Apr 2015 |
| 9428 | Esperanza Energy Corp. | Prosper, TX 75078 | Oil & Gas Operator | Mar 2015 |
| 9429 | Esquire Oil And Gas LLC | | Oil & Gas Operator | Jan 2011 |
| 9430 | Essex Corporation | | Oil Operator | Jan 1983 |
| 9431 | Essex Corporation Of Louisiana | | Oil Operator | Dec 1997 |
| 9432 | Essex Energy Inc | Yukon, OK 73099-5126 | Oil & Gas Operator | Apr 2014 |
| 9433 | Essex Resources, LLC | Coffeyville, KS 67337 | Oil Operator | Feb 2026 |
| 9434 | Essman Energy, LLC | Tulsa, OK 74136 | Oil & Gas Operator | Sep 2019 |
| 9435 | Est Of WM G Helis (A Partnership) | | Oil & Gas Operator | Dec 2009 |
| 9436 | Est. Of H. L. Hunt | | Oil & Gas Operator | Jun 1983 |
| 9437 | Estacado Energy, Inc. | Austin, TX 78716 | Oil & Gas Operator | Jul 1999 |
| 9438 | Estacado Energy, LLC | Iowa Park, TX 76367 | Oil & Gas Operator | Jun 2026 |
| 9439 | Estancia Oil & Gas, LLC | Austin, TX 78716 | Oil & Gas Operator | Jun 2026 |
| 9440 | Estate Of C.B. Christie Jr | Wichita Falls, TX 76308 | Oil & Gas Operator | Jun 2026 |
| 9441 | Estate Of Crawford Oil & Gas, Inc. | Midland, TX 79705 | Oil & Gas Operator | Aug 2006 |
| 9442 | Estate Of George Cantor | | Oil Operator | Dec 1988 |
| 9443 | Estate Of James L. Nelson | Pettus, TX 78146 | Oil & Gas Operator | Jun 2026 |
| 9444 | Estate Of James Robert Wells | West Henrietta, NY 14586 | Oil Operator | Dec 2024 |
| 9445 | Estate Of L. C. Dougan | | Gas Operator | Dec 1987 |
| 9446 | Estate Of Robert J. Burick | Fredonia, NY 14063 | Gas Operator | Dec 2024 |
| 9447 | Estate Of William G. Helis | | Oil & Gas Operator | May 1994 |
| 9448 | Estate Oil & Gas Corp. | Dallas, TX 75206 | Oil & Gas Operator | Oct 2011 |
| 9449 | Estate Oil & Gas LLC | Tulsa, OK 74136 | Oil & Gas Operator | Mar 2026 |
| 9450 | Estes And Company LLC. | Perryton, TX 79070 | Oil & Gas Operator | Jun 2026 |
| 9451 | Estes Operating, Inc. | San Antonio, TX 78210 | Oil & Gas Operator | Mar 2002 |
| 9452 | Estes Operating, LLC | La Porte, TX 77571 | Oil & Gas Operator | Jun 2026 |
| 9453 | Estoril Producing Corporation | Midland, TX 79701 | Oil & Gas Operator | Apr 1994 |
| 9454 | Et Gathering & Processing LLC | Dallas, TX 75225 | Oil Operator | Dec 2024 |
| 9455 | Etc Field Services LLC | Dallas, TX 75225 | Oil Operator | Jun 2018 |
| 9456 | Etc Oil Co. | Pecos, TX 79772 | Oil & Gas Operator | Mar 2004 |
| 9457 | Etc Oil Corp | | Oil & Gas Operator | Mar 1994 |
| 9458 | Etc Texas Pipeline, LTD. | Dallas, TX 75225 | Oil Operator | Sep 2023 |
| 9459 | Etchegoin Oil LLC | | Oil & Gas Operator | Mar 2026 |
| 9460 | Etd Oil Co. | | Oil Operator | Oct 1990 |
| 9461 | Eternity Exploration, LLC | Coppell, TX 75019 | Oil Operator | Jun 2021 |
| 9462 | Ethredge & Rhoads Oil Company | | Oil Operator | Dec 2012 |
| 9463 | Ethredge Oil Company | | Oil & Gas Operator | Aug 1998 |
| 9464 | Ethyl Gas Company, LLC | | Oil Operator | Jan 2025 |
| 9465 | Ethyl Properties Inc | | Oil & Gas Operator | Aug 1989 |
| 9466 | Ethyl-Buchanan | | Oil & Gas Operator | Feb 1987 |
| 9467 | Etl Hydrocarbons, Inc. | Andrews, TX 79714 | Oil & Gas Operator | Jun 2026 |
| 9468 | Etm Operating Company, Inc. | Houston, TX 77079 | Oil Operator | Feb 2009 |
| 9469 | Etoco Incorporated | Houston, TX 77002 | Oil & Gas Operator | May 2005 |
| 9470 | Etoco, L.P. | Houston, TX 77002 | Oil & Gas Operator | Jun 2026 |
| 9471 | Etopsi Oil And Gas, L.L.C. | Kilgore, TX 75663 | Oil & Gas Operator | Jun 2026 |
| 9472 | Etos Operating, Inc. | New London, TX 75682 | Oil & Gas Operator | Jun 2026 |
| 9473 | Ettco Enterprises, Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Dec 2024 |
| 9474 | Etx Energy, LLC | Tulsa, OK 74136 | Oil & Gas Operator | Oct 2022 |
| 9475 | Eubank Michael Dba Trilby Oil Company | Amber, OK 73004-4903 | Oil Operator | May 2022 |
| 9476 | Eubank Operating Company | Cushing, OK 74023 | Oil & Gas Operator | Aug 2024 |
| 9477 | Eubank, Robert B. & B. K. | Spring, TX 77388 | Oil & Gas Operator | Mar 2008 |
| 9478 | Eucutta Petroleum Inc. | | Oil & Gas Operator | Sep 2000 |
| 9479 | Eugene E. Marble | | Oil Operator | Dec 1981 |
| 9480 | Eugene Talbert Operating Co. | | Oil & Gas Operator | Mar 2013 |
| 9481 | Eunice Well Service Inc | Eunice, NM 88231 | Oil & Gas Operator | Jan 2000 |
| 9482 | Euram Petroleum | | Oil Operator | Apr 1986 |
| 9483 | Euratex Corp | Glade Park, CO 81523 | Oil & Gas Operator | Sep 1996 |
| 9484 | Eureka Expl Co, Inc | | Oil Operator | Dec 2013 |
| 9485 | Eureka Gas Co, Inc | Pikeville, KY 41502 | Gas Operator | Dec 2010 |
| 9486 | Eureka Oil And Gas LLC | Columbus, OH 43230 | Oil Operator | Dec 2020 |
| 9487 | Eureka Prospecting Company | Wimberley, TX 78676 | Oil & Gas Operator | Jun 2023 |
| 9488 | Euroamerican Energy Group Inc | | Oil & Gas Operator | Oct 1993 |
| 9489 | Euroamerican Pet Corp | Columbus, OH 43229 | Gas Operator | Dec 1991 |
| 9490 | Euromin Canada, Inc. | | Oil & Gas Operator | Mar 1987 |
| 9491 | European-Southwest Co. | Houston, TX 77254 | Oil & Gas Operator | Jun 2026 |
| 9492 | Eurotex Royalty, Inc. | Arlington, TX 76012 | Oil & Gas Operator | Aug 2003 |
| 9493 | Eurovest Oil & Gas, Inc. | Graham, TX 76450 | Oil & Gas Operator | Mar 2008 |
| 9494 | Ev Fleming Enterprises, LLC | Kilgore, TX 75662 | Oil & Gas Operator | Aug 2024 |
| 9495 | Evan Energy Co, LC | | Gas Operator | Dec 2013 |
| 9496 | Evangelical Free Church | | Oil & Gas Operator | Dec 1987 |
| 9497 | Evangeline Natural Resources, LLC | | Oil & Gas Operator | Jan 2025 |
| 9498 | Evangeline Oil Prod. Co., Inc. | | Oil Operator | Apr 2001 |
| 9499 | Evangeline Operating Co., Inc. | | Oil Operator | Jun 1989 |
| 9500 | Evangeline Pumpers, Inc. | | Oil & Gas Operator | Jul 2005 |