| EAST BROOKINGS NEIGHBORHOOD, LLC | DL223422 | 2022-03-24 | Active | Watertown |
| EAST BRUNSWICK BAPTIST CHURCH CORPORATION | 19530004L | 1953-11-12 | Active | — |
| EAST BUXTON CEMETERY ASSOCIATION | 19220004N | 1922-05-15 | Active | — |
| EAST CANYON LAKE HEIGHTS WATER USERS ASSOCIATION | NS009493 | 1991-10-07 | Active | RAPID CITY |
| EAST CENTRAL ABATE | NS012089 | 2002-08-26 | Inactive | — |
| EAST CENTRAL ASSOCIATION FOR THE EDUCATION OF YOUNG CHILDREN | FN011055 | 2008-03-19 | Inactive | WASHINGTON |
| East Central Crane Services, LLC | DL282165 | 2024-09-02 | Active | CLEAR LAKE |
| EAST CENTRAL DEVELOPMENT COMPANY | NS013457 | 2007-06-25 | Dissolved | CLEAR LAKE |
| East Central Foam LLC | DL143625 | 2018-02-06 | Active | Flandreau |
| EAST CENTRAL GRAIN MARKETING, INC. | DB050602 | 2006-01-19 | Active | Sioux Falls |
| EAST CENTRAL IRRIGATORS ASSOCIATION | NS006395 | 1977-12-29 | Inactive | — |
| EAST CENTRAL LITERACY COUNCIL, INC. | NS011393 | 2000-01-03 | Dissolved | BROOKINGS |
| EAST CENTRAL MENTAL HEALTH & CHEMICAL DEPENDENCY CENTER | NS000578 | 1963-03-01 | Active | BROOKINGS |
| EAST CENTRAL MENTAL HEALTH & CHEMICAL DEPENDENCY CENTER FOUNDATION | NS010142 | 1994-08-01 | Active | Brookings |
| EAST CENTRAL RAIL USERS ASSOCIATION | NS006976 | 1980-08-04 | Inactive | — |
| EAST CENTRAL REGIONAL RAILROAD AUTHORITY | RA000021 | 2003-08-06 | Active | — |
| East Central South Dakota REALTORS | NS007166 | 1981-05-21 | Active | BROOKINGS |
| East Central Ventures, LLC | DL039416 | 2014-06-30 | Active | Brookings |
| East Central, LLC | DL232059 | 2022-08-04 | Active | Sioux Falls |
| EAST CHURCH LIMITED PARTNERSHIP | DP000746 | 1997-10-31 | Active | — |
| East Coast Capital Corp. | FB208249 | 2021-08-12 | Revoked | Melville |
| East Coast Corrugated LLC | DL204338 | 2021-06-08 | Suspended | Morristown |
| EAST COAST DISTRIBUTORS | 19650068D | 1965-08-26 | Suspended | — |
| East Coast Eats 605 LLC | DL328580 | 2026-05-12 | Active | Sioux Falls |
| EAST COAST FISHERIES PRODUCTS COMPANY | 19190021D | 1919-09-04 | Canceled | — |
| EAST COAST MANAGEMENT, INC. | FB032049 | 2007-10-05 | Revoked | W TRENTON |
| EAST COAST MANAGEMENT, INC. | FB019165 | 1996-07-29 | Revoked | WEST TRENTON |
| EAST COAST SURETY AGENCY, LLC | FL006064 | 2012-01-09 | Revoked | Florham Park |
| East Cobb Partners LLP | DR175751 | 2020-01-14 | Active | Panama City |
| East College, LLC | DL148098 | 2018-05-10 | Inactive | Sioux Falls |
| East Colorado Blvd, LLC | DL159533 | 2019-01-28 | Active | Spearfish |
| EAST CORSON SOIL CONSERVATION DISTRICT | DM009347 | 1951-02-17 | Dissolved | — |
| EAST CREEK ACRES, LLC | DL011395 | 2006-05-22 | Active | Canton |
| EAST CREST APARTMENTS, LLC | DL242975 | 2023-01-25 | Active | Chamberlain |
| EAST CUSTER SEWER & WATER DISTRICT, INC. | SD000036 | 2002-05-15 | Active | CUSTER |
| EAST DAKOTA BEEF PROCESSING CENTER, LLC | DL186629 | 2020-08-25 | Inactive | Huron |
| East Dakota Concrete LLC | DL267815 | 2024-02-05 | Inactive | Sioux Falls |
| EAST DAKOTA CONSERVANCY SUB-DISTRICT | DM009324 | 1962-11-06 | Active | — |
| EAST DAKOTA EDUCATIONAL FOUNDATION | NS009608 | 1992-04-17 | Active | SIOUX FALLS |
| EAST DAKOTA FLYING CLUB, INC. | DB024552 | 1985-07-03 | Inactive | — |
| EAST DAKOTA FLYING COMPANY INC. | DB056988 | 2012-06-28 | Dissolved | SIOUX FALLS |
| EAST DAKOTA LUTHERANS FOR LIFE, INC. | NS009474 | 1991-09-09 | Active | Aurora |
| East Dakota Premium Beef, LLC | DL249043 | 2023-04-19 | Active | Estelline |
| East Dakota Properties, LLC | DL292406 | 2025-02-03 | Active | Harrisburg |
| East Dakota Repair Inc | DB319131 | 2026-01-27 | Active | Webtser |
| East Dakota Seed, LLC | DL142839 | 2018-01-22 | Dissolved | Blunt |
| EAST DAKOTA TRANSIT, INC. | NS011036 | 1998-05-20 | Active | Wagner |
| EAST DAKOTA WATER DEVELOPMENT DISTRICT | WD000054 | 2008-12-29 | Active | BROOKINGS |
| EAST DAKOTAH COOPERATIVE | CO000726 | 1977-12-29 | Active | SIOUX FALLS |
| East Dakotas Renewable Energy, LLC | FL185294 | 2020-07-30 | Active | Detroit |
| East Day, LLC | DL285148 | 2024-10-16 | Inactive | Naples |
| EAST DIXFIELD FIRE COMPANY | 19530013ND | 1953-04-03 | Active | — |
| EAST DIXFIELD UNITED BAPTIST CHURCH | 19150004N | 1915-05-29 | Active | — |
| EAST DIXMONT METHODIST CHURCH | 19570009N | 1957-06-06 | Active | — |
| EAST DOVER GRANGE NO. 236, PATRONS OF HUSBANDRY | 19110006ND | 1911-09-12 | Suspended | — |
| EAST EDDINGTON COMMUNITY CHURCH | 19510013N | 1951-12-17 | Active | — |
| EAST EDDINGTON GRANGE #301 P. OF H. | 19500074ND | 1950-12-11 | Suspended | — |
| EAST EIGHT, L.L.C. | DL030723 | 2012-12-19 | Active | Vermillion |
| EAST ELMS GRAZING ASSOCIATION | NS004922 | 1971-04-15 | Dissolved | — |
| East End Investments, LLC | DL132047 | 2017-03-30 | Dissolved | Box Elder |
| EAST EUROPEAN IMPORTS, INC. | FB019838 | 1997-02-24 | Revoked | MIAMI |
| East Fork Farms, LLC | DL300183 | 2025-05-13 | Active | Stickney |
| East Fork Land LLC | DL157583 | 2018-12-14 | Active | Sunnyside |
| East Fork LLC | DL277620 | 2024-06-25 | Active | Kelly |
| EAST FORTY-FOUR, LLC | DL011215 | 2006-04-27 | Inactive | RAPID CITY |
| EAST FRANKLIN CEMETERY ASSOCIATION | 19640011N | 1964-08-05 | Active | — |
| EAST FRYEBURG GRANGE #537 P. OF H. | 19500039ND | 1950-06-20 | Suspended | — |
| East Gate Plaza LLC | DL236083 | 2022-10-04 | Active | Watertown |
| EAST GRAND HEALTH CENTER | 19660068ND | 1966-11-23 | Active | — |
| EAST GREGORY COUNTY RURAL WATER ASS., INC. | NS006859 | 1980-01-10 | Inactive | — |
| East Haakon Grain, LLC | DL322956 | 2026-03-10 | Active | Midland |
| East Hampton Holdings, LLC | DL142618 | 2018-01-16 | Active | Tea |
| East Hampton Limited Liability Limited Partnership | DP001343 | 2002-04-29 | Active | TEA |
| East Hartford Lodging Partners LLC | DL283844 | 2024-09-25 | Active | Sioux Falls |
| EAST HAVEN APARTMENTS, INC. | DB011067 | 1972-04-25 | Inactive | — |
| EAST HIGHLAND CEMETERY, INC. | NS009166 | 1990-05-15 | Inactive | — |
| EAST HIGHLAND EVANGELICAL LUTHERAN CONGREGATION, OF NORDEN TOWNSHIP, DEUEL COUNTY, SOUTH DAKOTA | CH003011 | 1979-04-19 | Active | Gary |
| EAST HODGDON BIBLE CHURCH | 19120012N | 1912-08-09 | Active | — |
| East India Trading Company | DB242000 | 2023-01-11 | Dissolved | Rapid City |
| EAST JEMTLAND CEMETARY ASSOCIATION | 19090008N | 1909-06-29 | Active | — |
| EAST JONES COUNTY FIRE PROTECTION DISTRICT | PF000005 | 1981-03-17 | Active | — |
| East Kemp LLC | DL305478 | 2025-07-24 | Active | Watertown |
| East Kemp Properties LLC | DL201642 | 2021-04-25 | Active | Frederick |
| EAST LAKE ANDES LUTHERAN CHURCH | CH002893 | 1971-02-04 | Active | ARMOUR |
| East Lake RV Park, LLC | DL151537 | 2018-07-25 | Active | McIntosh |
| East Lakes, LLC | DL195607 | 2021-01-28 | Active | Watertown |
| EAST LAMOINE CEMETERY ASSOCIATION | 19060006N | 1906-09-06 | Active | — |
| East Landscaping, LLC | DL285802 | 2024-10-25 | Active | Dakota Dunes |
| EAST LEEWOOD DEVELOPMENT, INCORPORATED | DB025847 | 1986-11-13 | Inactive | — |
| EAST LIMINGTON CEMETERY | 19230012N | 1923-08-25 | Active | — |
| EAST LIVERMORE CAMPMEETING ASSOCIATION | 18700000ND | 1870-02-01 | Dissolved | — |
| EAST LYMAN RURAL WATER, INC. | NS007398 | 1982-06-10 | Inactive | — |
| EAST MADISON GRANGE #228, PATRONS OF HUSBANDRY | 19510027ND | 1951-06-20 | Active | — |
| EAST MADISON UNION CHURCH | 19390006N | 1939-07-18 | Active | — |
| East Main, LLC | DL158082 | 2018-12-27 | Active | Watertown |
| EAST MARSHALL DEVELOPMENT CORPORATION | NS010123 | 1994-07-01 | Inactive | — |
| EAST MEADOWS LIMITED PARTNERSHIP | DP001320 | 2002-03-04 | Active | — |
| East Melgaard Properties, LLC | DL204327 | 2021-06-08 | Active | Aberdeen |
| EAST MERCATO LLC | DL224454 | 2022-04-07 | Active | SIOUX FALLS |
| EAST MILLINOCKET ALUMNI ASSOCIATION | 19530009ND | 1953-02-23 | Dissolved | — |
| EAST MILLINOCKET FIRST BAPTIST CHURCH | 19620015N | 1962-09-28 | Active | — |
| EAST MOLINE OPERATING COMPANY, LLC | FL327926 | 2026-05-05 | Active | EAST MOLINE |
| East Moorhead, LLC | DL220714 | 2022-02-15 | Inactive | Lake Norden |
| EAST NEW PORTLAND CEMETERY ASSOCIATION | 19310009N | 1931-07-21 | Active | — |
| EAST NIDAROS LUTHERAN CHURCH | CH000015 | 1958-04-01 | Active | BALTIC |
| EAST NORDEN CEMETERY ASSOCIATION, INC. | NS000747 | 1964-09-30 | Active | LAKE NORDEN |
| East Oakland Twins, LLC | DL227763 | 2022-05-27 | Active | Rapid City |
| EAST OAKWOOD SHORELINE PLACE ASSOCIATION, INC. | NS012163 | 2002-11-18 | Inactive | — |
| East of 5th, Inc. | NS049778 | 2015-09-30 | Active | Rapid City |
| East of East LLC | DL049346 | 2016-07-22 | Active | RAPID CITY |
| East of Eden LLC | DL326124 | 2026-04-15 | Active | Sioux Falls |
| EAST ORRINGTON CONGREGATIONAL CHURCH | 19460000L | 1946-01-14 | Active | — |
| EAST OXFORD CEMETERY ASSOCIATION | 19500012N | 1950-09-05 | Active | — |
| EAST PARK APARTMENTS LIMITED PARTNERSHIP | DP001280 | 2001-10-01 | Active | — |
| EAST PARK, INC. | DB028703 | 1989-09-15 | Inactive | — |
| East Park, LLC | DL254121 | 2023-07-06 | Active | Clark |
| East Parks Place, LLC | DL230105 | 2022-07-06 | Active | Sioux Falls |
| EAST PARSONSFIELD CEMETERY CORPORATION | 19090013N | 1909-08-23 | Active | — |
| EAST PENN LOGISTICS LLC | FL006385 | 2012-07-05 | Active | LYON STATION |
| EAST PENNINGTON CONSERVATION DISTRICT | DM009348 | 1946-07-20 | Active | WALL |
| East Plains Construction LLC | DL225151 | 2022-04-18 | Active | Henry |
| EAST PLAINS TELECOM, INC. | DB036438 | 1995-11-13 | Dissolved | — |
| EAST POINT L.L.C. | DL000144 | 1994-03-15 | Dissolved | WATERTOWN |
| EAST POINT TRADE LLC | DL040981 | 2014-11-10 | Dissolved | HERNADCECE 3887 |
| East Prairie Laboratories, Inc. | DB060721 | 2016-02-26 | Dissolved | FLANDREAU |
| East Prairie Technologies Inc. | DB145953 | 2018-03-27 | Dissolved | Flandreau |
| EAST PROPERTIES CORPORATION | DB048338 | 2004-05-27 | Dissolved | SIOUX FALLS |
| EAST RAILWAY REAL ESTATE, LLC | DL019219 | 2009-06-24 | Dissolved | KANSAS CITY |
| East Railway Real Estate, LLC | DL044469 | 2015-07-23 | Active | Parkston |
| East Ridge Dental, L.L.C. | DL036471 | 2013-12-16 | Active | SIOUX FALLS |
| EAST RIDGE MALL, L.L.C. | DL001114 | 1997-01-21 | Active | SIOUX FALLS |
| EAST RIEFFENBERGER SEVENTEENTH STREET TOWNHOUSE ASSOCIATION | NS009796 | 1993-01-26 | Dissolved | Watewrtown |
| EAST RIVER AG SERVICES, LLC | DL131303 | 2017-03-06 | Active | GRENVILLE |
| East River AI LLC | DL320900 | 2026-02-16 | Active | BROOKINGS |
| EAST RIVER AIR SPRAY, LLC | DL018125 | 2009-01-20 | Inactive | VOLGA |
| East River Air*Care LLC | DL038583 | 2014-04-29 | Dissolved | BRANDON |
| East River Air, LLC | DL194070 | 2021-01-05 | Dissolved | Madison |
| EAST RIVER ANESTHESIA, P.C. | DB046370 | 2003-01-16 | Inactive | — |
| East River Anesthesia, PLLC | DL042204 | 2015-02-06 | Inactive | SIOUX FALLS |
| East River Arms LLC | DL048244 | 2016-04-29 | Active | PLATTE |
| EAST RIVER ASSOCIATES, INC. | DB035498 | 1995-03-06 | Dissolved | MISSION HILL |
| East River Atm LLC | DL238532 | 2022-11-14 | Dissolved | Watertown |
| East River Auctions, LLC | DL152018 | 2018-08-03 | Dissolved | ELKTON |
| EAST RIVER AUTO GLASS LLC | DL028890 | 2012-07-17 | Inactive | FULTON |
| EAST RIVER BIBLE CAMP, INC. | NS005506 | 1974-02-21 | Active | Wakonda |
| EAST RIVER BROKERAGE, INC. | DB045714 | 2002-07-24 | Dissolved | MOBRIDGE |
| East River Builders, LLC | DL275071 | 2024-05-15 | Active | LAKE ANDES |
| EAST RIVER CATTLE, LLC | DL029375 | 2012-09-11 | Active | SIOUX FALLS |
| East River Cleaning Company LLC | DL240493 | 2023-01-23 | Dissolved | HARRISBURG |
| East River Cleaning Services, LLC | DL321047 | 2026-02-18 | Active | Watertown |
| East River Company LLC | DL191197 | 2020-11-13 | Active | Mitchell |
| East River Concrete & Redi-Mix, LLC | DL228226 | 2022-06-03 | Active | PLATTE |
| EAST RIVER CONCRETE, INC. | DB056751 | 2012-03-16 | Active | Tea |
| EAST RIVER CONSTRUCTION, LLC | DL182588 | 2020-06-05 | Dissolved | AURORA |
| East River Contracting, LLC | DL171693 | 2019-10-15 | Active | WATERTOWN |
| EAST RIVER COUNTRY AUTO SALES, INC. | DB045275 | 2002-03-29 | Dissolved | MISSION HILL |
| EAST RIVER ELECTRIC POWER COOPERATIVE, INC. | CO000438 | 1949-11-04 | Active | Madison |
| EAST RIVER ELECTRIC POWER COOPERATIVE, INC. | PU000438 | 1949-11-04 | Active | TYNDALL |
| EAST RIVER ENGINEERING, LLC | DL002249 | 1999-05-10 | Dissolved | — |
| EAST RIVER ENGINEERING, LLC | DL010978 | 2006-03-27 | Inactive | HARTFORD |
| East River Enterprises, LLC | DL195645 | 2021-01-29 | Active | Sioux Falls |
| EAST RIVER EQUINE, LLC | DL252685 | 2023-06-12 | Active | Brookings |
| East River Expedite, Inc. | DB128097 | 2016-11-28 | Active | Sioux Falls |
| East River Exteriors LLC | DL291492 | 2025-01-21 | Dissolved | MITCHELL |
| East River Farms LLC | DL209747 | 2021-09-08 | Active | SIOUX FALLS |
| EAST RIVER FARMS, INC. | DF010991 | 1972-03-01 | Inactive | — |
| EAST RIVER FOSTER PARENT NETWORK | NS013049 | 2006-02-10 | Inactive | SIOUX FALLS |
| EAST RIVER FOSTER PARENT NETWORK INC. | NS014776 | 2012-02-27 | Active | SIOUX FALLS |
| EAST RIVER FUR & TIE INC. | DB025363 | 1986-05-02 | Inactive | — |
| East River Genetic Services, LLC | FL272220 | 2024-04-04 | Active | Grand Rapids |
| EAST RIVER GRAIN & FEED, L.L.C. | DL000099 | 1994-02-02 | Dissolved | — |
| East River Gutters L.L.C. | DL256329 | 2023-08-08 | Dissolved | Brandon |
| EAST RIVER HIGH SCHOOL RODEO ASSOCIATION, INC. | NS006935 | 1980-05-20 | Suspended | Clear Lake |
| East River Hip Hop Ministry, Inc. | NS227340 | 2022-05-19 | Active | Sioux Falls |
| EAST RIVER HOLDINGS, LLC | DL013716 | 2007-04-23 | Dissolved | SIOUX FALLS |
| East River Homes and Post Frame LLC | DL319436 | 2026-01-29 | Active | Brookings |
| EAST RIVER HOMES, INC. | DB060693 | 2016-02-16 | Dissolved | WATERTOWN |
| East River Hoof Care, LLC | DL268367 | 2024-02-13 | Dissolved | SIOUX FALLS |
| East River Horizons Team, Inc. | NS014446 | 2010-11-01 | Active | WAGNER |
| East River Housing, LLC | DL221829 | 2022-03-02 | Active | COLMAN |
| EAST RIVER INN BED & BREAKFAST, INC. | DB048118 | 2004-04-07 | Inactive | — |
| East River Insulation, LLC | DL045317 | 2015-09-28 | Dissolved | Wolsey |
| East River Insurance LLC | DL297242 | 2025-04-07 | Active | Sioux Falls |
| EAST RIVER LAND IMPROVEMENT, LLC | DL031998 | 2013-04-11 | Active | CANISTOTA |
| EAST RIVER LEGAL SERVICES CORPORATION | NS004806 | 1970-08-26 | Active | Sioux Falls |
| EAST RIVER LUMBER & GRAIN, INC. | DB029914 | 1990-10-15 | Dissolved | MOBRIDGE |
| EAST RIVER MACHINE CORPORATION | DB044832 | 2001-12-20 | Dissolved | REVILLO |
| East River Manufacturing, LLC | DL270949 | 2024-03-18 | Active | Ethan |
| EAST RIVER MINERALS, LLC | DL193072 | 2020-12-17 | Inactive | Watertown |
| East River Motorsports, LLC | DL232147 | 2022-08-05 | Active | Canistota |
| EAST RIVER OPERATOR GROUP, INC. | DB054109 | 2008-12-12 | Dissolved | Aberdeen |
| East River Painting and Staining LLC | DL210778 | 2021-09-23 | Active | SIOUX FALLS |
| EAST RIVER PHYSICIANS FOR SEXUAL HEALTH, INC. | NS010848 | 1997-08-27 | Inactive | — |
| East River Plumbing, LLC | DL018532 | 2009-03-20 | Inactive | Bristol |
| East River Professional Home Inspection, LLC | DL050240 | 2016-10-07 | Inactive | CLARK |
| EAST RIVER PROPERTIES, LLC | DL011924 | 2006-08-16 | Active | VERMILLION |
| East River Property Management LLC | DL254835 | 2023-07-17 | Active | Freeman |
| East River Psychological Services P.L.L.C. | DL233978 | 2022-09-04 | Active | Mitchell |
| East River Rentals LLC | DL209802 | 2021-09-08 | Dissolved | Mitchell |
| East River Rifle Company, L.L.C. | DL041965 | 2015-01-16 | Active | DOLTON |