| ESYYA, LLC | DL223662 | 2022-03-28 | Active | Alexandria |
| ESZLINGER ELECTRIC, INC. | DB030973 | 1991-09-23 | Dissolved | SIOUX FALLS |
| ESZLINGER ELECTRIC, LLC | DL049397 | 2016-07-27 | Active | SIOUX FALLS |
| ET CONSULTING SERVICES INC | DB183640 | 2020-06-25 | Dissolved | SPEARFISH |
| ET Deadwood Property, LLC | DL305272 | 2025-07-22 | Active | Sturgis |
| ET ENVIRONMENTAL CORPORATION, LLC | FL270827 | 2024-03-15 | Active | ATLANTA |
| ET ENVIRONMENTAL CORPORATION, LLC | FL002517 | 2005-08-16 | Revoked | ATLANTA |
| ET FARMS, LTD. | DF000125 | 2005-11-21 | Inactive | — |
| ET Gaming LLC | DL304358 | 2025-07-10 | Active | ABERDEEN |
| ET LIFE 1099 REPORTING COMPANY, LLC | FL043130 | 2014-11-25 | Active | ZIONSVILLE |
| ET PROCUREMENT LLC | FL043108 | 2014-11-06 | Active | DALLAS |
| ET PROPERTIES L.L.C. | DL002147 | 1999-03-22 | Dissolved | — |
| ET Ranch, LLC | DL264291 | 2023-12-13 | Active | Miller |
| ET SERVICES LLC | DL026021 | 2011-10-19 | Dissolved | Belle Fourche |
| ET SERVICES, LLC | FL171130 | 2019-10-04 | Active | CHICAGO |
| ET Sturgis Property, LLC | DL305248 | 2025-07-22 | Active | Sturgis |
| ET WOLLES AG, INC. | DF047424 | 2003-10-17 | Active | Dell Rapids |
| ET WORKS RETAIL, LLC | FL156568 | 2018-11-19 | Active | MOORESVILLE |
| ET's Outdoor Adventures, LLC | DL278067 | 2024-07-01 | Dissolved | Watertown |
| ET-CETERA SHOPPE, INC. | NS008815 | 1988-09-28 | Active | FREEMAN |
| et-i-quette L.L.C. | DL142949 | 2018-01-22 | Active | Rapid City |
| ETA ETA HOUSING CORPORATION OF ALPHA DELTA PI | NS009757 | 1992-11-30 | Dissolved | RAPID CITY |
| ETA PHI SYSTEMS, INC. | FB294489 | 2025-03-03 | Active | BOCA RATON |
| ETA, LLC. | DL309743 | 2025-09-21 | Active | Milbank |
| eTailDirect LLC | FL143215 | 2018-01-29 | Active | Columbus |
| ETAK SYSTEMS, INC. | FB035518 | 2011-11-02 | Inactive | CHARLOTTE |
| ETALK CORPORATION | FB022462 | 1999-04-23 | Inactive | DALLAS |
| Etana Custody Inc. | FB250567 | 2023-05-11 | Revoked | DENVER |
| Etana, LLC | DL127778 | 2016-11-16 | Active | Sioux Falls |
| ETC INC. | DB033328 | 1993-08-17 | Inactive | — |
| ETC VENTURES, LLC | DL029854 | 2012-10-29 | Active | Rapid City |
| ETC, LLC | DL032546 | 2013-05-21 | Active | VALLEY SPRINGS |
| ETC. FOR HER MAGAZINE, LLC | DL010158 | 2005-11-14 | Active | Sioux Falls |
| Etcetera LLC | DL324513 | 2026-03-28 | Active | Rapid City |
| ETCH HAIR SALON & DAY SPA, INC. | DB049657 | 2005-04-29 | Active | SIOUX FALLS |
| ETCH INNOVATIONS, INC. | DB056984 | 2012-06-25 | Dissolved | SIOUX FALLS |
| Etched Medical Spa, Prof. LLC | DL248707 | 2023-04-14 | Active | SIOUX FALLS |
| Etched Skin and Brow Inc. | DB252502 | 2023-06-08 | Dissolved | Rapid City |
| Etches And Sketches LLC | DL333733 | 2026-07-15 | Active | Watertown |
| ETCHING MEMORIES, LLC | DL023995 | 2011-03-07 | Dissolved | FAIRVIEW |
| Etchison Management, LLC | DL048255 | 2016-04-29 | Active | Lake Mary |
| ETEC, L.L.C. | DL006315 | 2003-09-26 | Inactive | VALPARAISO |
| ETECHGLOBAL, LLC | DL005786 | 2003-04-21 | Suspended | SIOUX FALLS |
| ETEK, LLC | DL016667 | 2008-06-06 | Active | SIOUX FALLS |
| ETENUM, L.L.C. | DL020831 | 2010-02-18 | Dissolved | BROOKINGS |
| ETERIS, Inc. | RS005948 | 2014-07-10 | Active | — |
| Eterna Insurance Solutions LLC | FL289637 | 2024-12-24 | Active | Irvine |
| ETERNA-LINE CORPORATION | FB011085 | 1986-09-23 | Revoked | BOISE |
| ETERNAL BLACK HILLS MEMORY LLC | DL045650 | 2015-10-28 | Active | RAPID CITY |
| ETERNAL COMBUSTION, LLC | DL025191 | 2011-07-13 | Dissolved | Box Elder |
| Eternal Home, LLC | DL156069 | 2018-11-06 | Inactive | SIOUX FALLS |
| ETERNAL HOPE, LLC | DL049006 | 2016-06-22 | Active | MT. VERNON |
| ETERNAL MAVERICK, LLC | DL026271 | 2011-11-17 | Dissolved | SPEARFISH |
| ETERNAL SECURITY PRODUCTS, LLC | DL040204 | 2014-09-04 | Active | Mt Vernon |
| ETERNAL SERENITY MASSAGE, L.L.C. | DL036393 | 2013-12-12 | Dissolved | SIOUX FALLS |
| Eternal Vision, P.C. | DB060642 | 2016-01-25 | Active | WATERTOWN |
| ETERNAL WORD MINISTRY | NS306992 | 2025-08-14 | Active | SIOUX FALLS |
| Eternalflame Technology Inc | DB311337 | 2025-10-13 | Active | Watertown |
| ETERNIA GROUP LLC | DL284949 | 2024-10-11 | Active | BOSTON |
| ETERNITY LLC | DL023150 | 2010-12-13 | Active | RAPID CITY |
| Eternity Residential Homes P.C. | DB271502 | 2024-03-26 | Dissolved | Brookings |
| Eternity VC, LLC | DL300282 | 2025-05-14 | Suspended | Rapid City |
| ETF Global Technologies, LLC | DL047875 | 2016-04-04 | Dissolved | Bainbridge Island |
| ETG, Inc. | DB186603 | 2020-08-25 | Dissolved | Raleigh |
| ETHAN ALLEN INC. | FB023828 | 2000-04-28 | Revoked | DANBURY |
| ETHAN ALLEN RETAIL, INC. | FB034043 | 2009-12-28 | Active | DANBURY |
| ETHAN ALLEN RETAIL, INC. | FB025714 | 2001-11-19 | Revoked | WILMINGTON |
| ETHAN CO-OP LUMBER ASSN. | CO000602 | 1927-11-23 | Active | Ethan |
| Ethan Cole Farms, Inc. | DB181672 | 2020-05-15 | Active | Langford |
| ETHAN COMMUNITY CLUB | NS006260 | 1977-06-13 | Dissolved | — |
| ETHAN COMMUNITY FIRE PROTECTIVE CORPORATION | NS000509 | 1962-06-01 | Inactive | — |
| ETHAN COMMUNITY FIRE PROTECTIVE CORPORATION | NS009598 | 1992-03-30 | Dissolved | — |
| ETHAN COMMUNITY SCHOOL ORGANIZATION, INC. | NS008758 | 1988-06-15 | Inactive | ETHAN |
| ETHAN COMMUNITY SENIOR CITIZENS' CLUB, INC. | NS005430 | 1973-10-09 | Inactive | — |
| ETHAN DAIRY COMPANY | DB012619 | 1974-12-02 | Dissolved | — |
| ETHAN DAIRY PRODUCTS INC., A CORPORATION | DB028847 | 1989-11-02 | Inactive | — |
| ETHAN DEVELOPMENT CORPORATION | NS005525 | 1974-03-28 | Active | Ethan |
| Ethan Eilers Construction LLC | DL225516 | 2022-04-22 | Active | SIOUX FALLS |
| ETHAN ENTERTAINMENT, INC. | DB031467 | 1992-02-26 | Dissolved | — |
| Ethan Fenchel Consulting, LLC | DL137642 | 2017-09-28 | Inactive | Las Vegas |
| ETHAN HILLCREST CEMETERY ASSN. | NS007260 | 1981-09-30 | Active | Mitchell |
| Ethan Historical Society | NS049889 | 2016-02-01 | Active | Ethan |
| Ethan HS Clay Target Team | NS224607 | 2022-04-09 | Active | Ethan |
| ETHAN PROPERTIES, LLC | DL016312 | 2008-04-24 | Inactive | — |
| Ethan Re Graham LLC | DL322865 | 2026-03-09 | Active | Rapid City |
| ETHAN RURAL FIRE PROTECTION DISTRICT | PF000054 | 2008-09-05 | Active | ALEXANDRIA |
| Ethan T. Littlejohn, PLLC | DL220455 | 2022-02-11 | Active | Aberdeen |
| ETHAN TRAILRIDERS | NS009516 | 1991-11-08 | Active | ETHAN |
| ETHAN UNITED METHODIST CHURCH | CH002933 | 1973-11-27 | Inactive | — |
| ETHAN WIESE CREATIVE, LLC | DL172670 | 2019-11-07 | Active | Sioux Falls |
| Ethan's Family Favorites LLC | DL276127 | 2024-05-31 | Suspended | Gayville |
| Ethan's Holdings, LLC | DL050045 | 2016-09-22 | Dissolved | ETHAN |
| Ethan's Salon, Inc. | DB059920 | 2015-03-23 | Active | Canton |
| ETHAN, SD | CI000234 | 2010-12-22 | Active | MITCHELL |
| ETHANOL AND BEYOND, L.L.C. | DL011728 | 2006-07-20 | Inactive | SIOUX FALLS |
| ETHANOL DISTRIBUTORS, INC. | DB029765 | 1990-08-23 | Inactive | — |
| ETHANOL ENVIRONMENTAL/EDUCATION COUNCIL, INC. | NS010040 | 1994-03-01 | Inactive | — |
| ETHANOL FEED AND FUEL LLC | DL011228 | 2006-04-28 | Dissolved | WITTEN |
| ETHANOL FUEL PRODUCTS, INC. | DB042761 | 2000-05-03 | Inactive | — |
| ETHANOL FUELS, INC. | DB031153 | 1991-12-02 | Inactive | — |
| ETHANOL INCOME FUND, L.L.C. | DL009699 | 2005-08-18 | Inactive | — |
| ETHANOL INNOVATIONS INVESTMENT LIMITED PARTNERSHIP | DP001806 | 2007-03-20 | Inactive | — |
| ETHANOL LEADER INVESTORS, LLC | DL004410 | 2002-01-29 | Inactive | SIOUX FALLS |
| ETHANOL PLUS, LLC | DL010894 | 2006-03-15 | Inactive | MADISON |
| ETHANOL PRODUCTS, LLC | DL002999 | 2000-05-18 | Active | WICHITA |
| ETHANOL PROMOTION AND INFORMATION COUNCIL | NS012899 | 2005-07-21 | Dissolved | OMAHA |
| ETHCO LIMITED PARTNERSHIP ONE | DP000479 | 1995-06-07 | Inactive | — |
| ETHCO, INC. | DB035549 | 1995-03-15 | Inactive | — |
| Ethel J's Braiding Salon N Beauty Supply LLC | DL199887 | 2021-03-31 | Dissolved | SIOUX FALLS |
| Ethel May Potter, LLC | DL204711 | 2021-06-15 | Active | — |
| Ether LLC | DL195346 | 2021-01-25 | Active | Woodland |
| Ethereal Body Art L.L.C. | DL275579 | 2024-05-23 | Active | SIOUX FALLS |
| Ethereal Esthetics LLC | DL269301 | 2024-02-26 | Dissolved | Rapid city |
| Ethereal Events L.L.C. | DL331539 | 2026-06-18 | Active | Sioux Falls |
| Ethereal Moments Photography, LLC | DL046718 | 2016-01-15 | Dissolved | HERMOSA |
| Ethereal Reflections Inc. | NS130737 | 2017-02-16 | Dissolved | RAPID CITY |
| Etherealoft, LLC | DL200028 | 2021-04-01 | Active | WATERTOWN |
| Ethical Advisory Group LLC | DL208060 | 2021-08-10 | Active | Brookings |
| Ethical Deliveries LLC | DL333238 | 2026-07-09 | Active | Watertown |
| ETHICON, INC. | FB224696 | 2022-04-11 | Active | RARITAN |
| Ethics, LLC | DL204852 | 2021-06-16 | Dissolved | Culver City |
| ETHIO AMERICAN TRUCKING LLC | DL242363 | 2023-01-17 | Active | Sioux Falls |
| Ethio Deutsch Industries LLC | DL172303 | 2019-10-28 | Active | Sioux Falls, SD, USA |
| ETHIO-SIOUX FALLS SOCCER TEAM | NS014789 | 2012-03-12 | Active | SIOUX FALLS |
| ETHIOPIAN MUTUAL ASSOCIATION | NS014557 | 2011-03-21 | Inactive | SIOUX FALLS |
| Ethiopian Mutual Association | NS291057 | 2025-01-15 | Active | Sioux Falls |
| ETHIOPIAN ORTHODOX Tewahedo Hamerenoh Kidane Mihret Church | CH003423 | 1999-07-30 | Active | SIOUX FALLS |
| ETHNIC COMMUNITY CENTER OF Sioux Falls, INCORPORATED | NS135075 | 2017-07-17 | Dissolved | SIOUX FALLS |
| ETHNIC COMMUNITY CENTER OF SOUTH DAKOTA, INCORPORATED | NS014504 | 2011-01-14 | Dissolved | — |
| EthnoPro LLC | DL197688 | 2021-03-01 | Active | Watertown |
| ETHNOSCIENCE, INC. | FB038401 | 2015-02-26 | Active | BILLINGS |
| ETHO LLC | DL021280 | 2010-04-19 | Active | HILL CITY |
| Ethos Babywearing LLC | DL131150 | 2017-03-01 | Dissolved | SALEM |
| Ethos Ballistics Consulting, LLC | DL235221 | 2022-09-22 | Dissolved | Summerset |
| Ethos Car Care L.L.C. | DL285737 | 2024-10-24 | Dissolved | LAS VEGAS |
| ETHOS CLINICAL RESEARCH LLC | DL288032 | 2024-12-02 | Active | North Sioux City |
| Ethos Consulting LLC | DL258390 | 2023-09-08 | Dissolved | Sioux Falls |
| ETHOS CONSULTING, LLC | FL004983 | 2010-02-12 | Inactive | SUWANEE |
| Ethos Distributed Solutions Inc | FB200635 | 2021-04-13 | Revoked | Golden |
| Ethos Engineering, LLC | DL232916 | 2022-08-19 | Active | Chancellor |
| ETHOS ESTATE PLANNING, LLC | FL238737 | 2022-11-16 | Active | AUSTIN |
| Ethos Group Compliance Solutions, LLC | FL235818 | 2022-09-30 | Active | Irving |
| Ethos Group General Agency, Inc. | FB037506 | 2014-02-04 | Active | IRVING |
| Ethos Group Payment Services, Inc. | FB038094 | 2014-09-08 | Revoked | IRVING |
| ETHOS GROUP RECRUITING SERVICES, LLC | FL006932 | 2013-06-17 | Inactive | IRVING |
| Ethos Group, Inc. | FB036744 | 2013-04-30 | Active | IRVING |
| Ethos Insurance Agency, Inc. | FB207876 | 2021-08-06 | Active | Irving |
| Ethos Payment Solutions, Inc. | FB184267 | 2020-07-09 | Active | IRVING |
| Ethos Personal Training LLC | DL313590 | 2025-11-13 | Active | Sioux Falls |
| Ethos Plumbing LLC | DL299540 | 2025-05-05 | Active | Sioux Falls |
| ETHOS RISK SERVICES, LLC | FL043922 | 2015-11-17 | Active | Tallahassee |
| ETHOS TECHNOLOGIES INC. | FB158293 | 2019-01-02 | Active | Austin |
| Ethos Ventures, LLC | DL231805 | 2022-08-01 | Dissolved | Sioux Falls |
| ETHOS, INC. | FN010422 | 1994-01-24 | Revoked | CHEYENNE |
| ETHOSENERGY FIELD SERVICES, LLC | FL042542 | 2014-03-25 | Active | SANTA FE SPRINGS |
| ETHOSENERGY POWER PLANT SERVICES, LLC | FL042774 | 2014-06-11 | Active | HOUSTON |
| ETHOSENERGY TC, INC. | FB035142 | 2011-05-06 | Active | Sterling |
| Ethosology LLC | DL246695 | 2023-03-17 | Active | Brookings |
| EthosOne LLC | DL237189 | 2022-10-21 | Dissolved | Watertown |
| ETHOSPARTNERS HEALTHCARE MANAGEMENT GROUP, INC. | FB029945 | 2005-09-08 | Inactive | SUWANEE |
| ETHYL ASHTON, LLC | DL005763 | 2003-04-16 | Inactive | SIOUX FALLS |
| ETHYL EMMETSBURG, LLC | DL006362 | 2003-10-08 | Inactive | SIOUX FALLS |
| ETHYL FOSTORIA, LLC | DL013198 | 2007-02-12 | Inactive | SIOUX FALLS |
| ETHYL HUDSON, LLC | DL005750 | 2003-04-11 | Inactive | SIOUX FALLS |
| ETHYL MANCHESTER, LLC | DL014558 | 2007-08-29 | Inactive | SIOUX FALLS |
| ETHYL MARION, LLC | DL013580 | 2007-04-02 | Inactive | SIOUX FALLS |
| ETHYL MITCHELL, LLC | DL009736 | 2005-08-26 | Inactive | SIOUX FALLS |
| ETI EXPLOSIVES TECHNOLOGIES INTERNATIONAL INC. | FB015172 | 1992-04-02 | Revoked | WILMINGTON |
| ETI Holdings, LLC | DL331256 | 2026-06-16 | Active | Mitchell |
| ETI LLC | DL198339 | 2021-03-10 | Dissolved | Watertown |
| ETICA FAIR TRADE WINES, LLC | DL016668 | 2008-06-06 | Inactive | — |
| ETIQUETTE FOR EVERYONE, LLC | DL029018 | 2012-08-03 | Dissolved | HARROLD |
| ETIX, INC. | FB242116 | 2023-01-12 | Active | MORRISVILLE |
| ETJS, LLC | DL139200 | 2017-10-31 | Dissolved | TROUP |
| ETK AIR LLC | DL172238 | 2019-10-28 | Active | Rapid City |
| ETK CHEROKEE, LLC | DL203534 | 2021-05-24 | Active | San Marcos |
| ETK COMMUNICATIONS, LLC | DL033166 | 2013-07-17 | Inactive | RAPID CITY |
| ETK MAHALIA, LLC | DL203533 | 2021-05-24 | Active | San Diego |
| ETK N. MELROSE, LLC | DL203532 | 2021-05-24 | Inactive | Rapid City |
| ETK RAINBOW, LLC | DL207767 | 2021-08-05 | Active | RAPID CITY |
| ETK ST. JOSEPH, LLC | DL203530 | 2021-05-24 | Active | Rapid City |
| ETK TRIPLE S, LLC | DL203529 | 2021-05-24 | Active | Rapid City |
| ETK VENTURA, LLC | DL203528 | 2021-05-24 | Active | RAPID CITY |
| ETKIN SKANSKA INC. | FB026088 | 2002-03-25 | Inactive | FARMINGTON HILLS |
| ETLJ HOLDINGS, LLC | FL044225 | 2016-03-28 | Revoked | WORTHINGTON |
| ETMC EMS | FN128419 | 2016-12-05 | Revoked | TYLER |
| ETNA SPIRITUALIST ASSOCIATION | 18990001N | 1899-10-05 | Active | — |
| Etna, L.L.C. | DL193498 | 2020-12-23 | Active | Silver City |
| Etnik Media, LLC | DL136101 | 2017-08-18 | Inactive | ELLSWORTH AFB |
| ETOILE HOMES, LLC | DL129034 | 2016-12-27 | Active | Sioux Falls |
| ETON CAPITAL LLC | DL017280 | 2008-09-02 | Active | DALLAS |
| ETON PHARMACEUTICALS, INC. | FB144039 | 2018-02-15 | Active | DEER PARK |
| ETON Solutions 2, LLC | DL166566 | 2019-06-26 | Active | SIOUX FALLS |
| ETON SYSTEMS, INCORPORATED | FB030827 | 2006-07-27 | Inactive | ALPHARETTA |
| ETORO USA LLC | FL153973 | 2018-09-17 | Active | NEW YORK |
| ETOURANDTRAVEL, INC. | FB039423 | 2016-07-06 | Inactive | ORLANDO |
| ETOYOC, INC. | DB039878 | 1998-04-03 | Inactive | — |
| ETQ HK SPV, INC. | FB037606 | 2014-03-17 | Active | Chicago |
| ETR Holdings, LLC | DL210682 | 2021-09-21 | Active | Bettendorf |
| ETR LLC | DL049319 | 2016-07-20 | Active | Spearfish |