| DUPREE AIRCRAFT LEASING, INC. | DB025341 | 1986-04-24 | Dissolved | PIEDMONT |
| DUPREE CEMETARY ASSOCIATION | NS002533 | 1918-09-06 | Active | DUPREE |
| DUPREE COMMUNITY CLUB, INC. | NS011581 | 2000-08-21 | Active | DUPREE |
| DUPREE COMMUNITY CLUB, INC. | NS000368 | 1961-04-07 | Inactive | — |
| DUPREE DAYCARE, INC. | NS012338 | 2003-06-30 | Dissolved | Faith |
| DUPREE DEVELOPMENT CORPORATION | NS008634 | 1987-12-09 | Dissolved | DUPREE |
| DUPREE INSURANCE AGENCY | DB002115 | 1961-01-16 | Inactive | — |
| DUPREE LEGION SUPPER CLUB, L.L.C. | DL007608 | 2004-07-12 | Inactive | — |
| DUPREE LUMBER AND SUPPLY, INC. | DB002449 | 1961-09-19 | Inactive | — |
| DUPREE MUNICIPAL DEVELOPMENT INC. | NS012676 | 2004-11-10 | Inactive | — |
| DUPREE QUARTER HORSES, INC. | DB022510 | 1983-06-15 | Inactive | — |
| DUPREE RODEO COMMITTEE | NS010072 | 1994-04-04 | Active | DUPREE |
| DUPREE SENIOR CITIZENS, INC. | NS008076 | 1985-04-09 | Inactive | — |
| DUPREE VOLUNTEER FIRE DEPARTMENT OF DUPREE, SOUTH DAKOTA 57623 | NS005724 | 1975-02-11 | Active | Dupree |
| Duprel Accounting Services LLC | DL208973 | 2021-08-25 | Dissolved | Sturgis |
| DUPREL FAMILY LIMITED PARTNERSHIP | DP001959 | 2008-12-18 | Active | VALE |
| Duprel Livestock Estates, LLC | DL258568 | 2023-09-12 | Active | Vale |
| Duprel Livestock, LLC | DL258565 | 2023-09-12 | Active | Vale |
| Duprel, LLC | DL048056 | 2016-04-18 | Dissolved | Piedmont |
| Durable Equipment LLC | DL148115 | 2018-05-11 | Dissolved | Canton |
| DURABLE INVESTMENT RETURN TERRA, LLC | FL295484 | 2025-03-14 | Active | EDEN PRAIRIE |
| Durable Steel Installation, LLC | DL038781 | 2014-05-12 | Active | LENNOX |
| DURABOTICS INC. | FB032654 | 2008-05-12 | Inactive | EDEN PRAIRIE |
| Durabull Concrete Solutions LLC | DL291375 | 2025-01-20 | Active | Sioux Falls |
| DURAL ENTERPRISES, LLC | DL025586 | 2011-09-01 | Dissolved | TOM PRICE |
| DURALITE INC. | DB027550 | 1988-07-15 | Dissolved | — |
| Duralite Manufacturing, LLC | DL169685 | 2019-09-04 | Active | Britton |
| DURALITE MANUFACTURING, LLC | DL007389 | 2004-05-25 | Dissolved | — |
| DURALITE TRAILERS, LLC | DL013334 | 2007-03-01 | Inactive | Clark |
| DURAN SOIL SAMPLING, LLC | DL130454 | 2017-02-08 | Active | ROSCOE |
| DURANGO HOSPITALITY, LLC | DL021922 | 2010-07-12 | Dissolved | ABERDEEN |
| Durango Lodging Group, LLC | DL207991 | 2021-08-09 | Active | Aberdeen, |
| DURANGO LODGING, LLC | DL017442 | 2008-09-30 | Inactive | ABERDEEN |
| DURANGO R. PROPERTIES LLC | DL334629 | 2026-07-24 | Active | WATERTOWN |
| Durango Starr LLC | DL177514 | 2020-02-18 | Dissolved | Custer |
| Durango, LLC | DL202382 | 2021-05-05 | Active | Elkhorn |
| Durant & Acosta Group LLC | DL249595 | 2023-04-27 | Dissolved | East Stroudsburg |
| DURANT CANYON HOLDINGS, LLC | DL028053 | 2012-05-01 | Dissolved | SPEARFISH |
| DURAPIN, INC. | 19640060D | 1964-07-02 | Suspended | — |
| DuraPlay Outdoor Surfacing, LLC | FL293101 | 2025-02-12 | Active | Driftwood |
| Durapoint Distributing Inc. | DB152838 | 2018-08-22 | Dissolved | Box Elder |
| Duraroot, LLC | FL044617 | 2016-10-06 | Inactive | KEENESBURG |
| Durasie LLC | DL239236 | 2022-11-27 | Active | Brookings |
| DURATECH INDUSTRIES INTERNATIONAL, INC. | FB008022 | 1981-11-06 | Revoked | JAMESTOWN |
| DURAWOOD, INC. | DB023524 | 1984-06-18 | Active | RAPID CITY |
| Durden Group, LLC | DL138994 | 2017-10-26 | Active | DEERFIELD BEACH |
| DURDEN INDUSTRIAL, LLC | DL030964 | 2013-01-23 | Dissolved | MADISON |
| DURELL ENTERPRISES, INC. | DB040740 | 1998-11-30 | Inactive | — |
| Durfee Contracting LLC | DL049865 | 2016-09-08 | Active | SIOUX FALLS |
| Durfee Solutions LLC | DL135874 | 2017-08-13 | Dissolved | Sioux Falls |
| DURFEE'S, INC. | FB011531 | 1987-06-15 | Revoked | SUNDANCE |
| DURGA FOOD, LLC | DL019413 | 2009-07-23 | Inactive | SIOUX FALLS |
| DURGA LLC | DL128488 | 2017-01-01 | Active | SIOUX FALLS |
| DURGIN-SNOW PUBLISHING CO. | 19530022D | 1953-12-17 | Dissolved | — |
| DURHAM & BATES AGENCIES, INC. | FB027230 | 2003-04-21 | Inactive | PORTLAND |
| DURHAM CEMETARY ASSOCIATION | 19190016N | 1919-11-07 | Active | — |
| DURHAM INVESTMENT CORP. | DB033084 | 1993-05-28 | Dissolved | — |
| Durham Mental Performance LLC | DL330921 | 2026-06-11 | Active | Rapid City |
| DURHAM RESOURCES OF SOUTH DAKOTA, INC. | DB022443 | 1983-05-27 | Dissolved | — |
| DURHAM ROD & GUN CLUB | 19600049ND | 1960-11-28 | Active | — |
| DURHAM VOLUNTEER FIRE DEPARTMENT, INC. | 19500012ND | 1950-03-01 | Active | — |
| DURICK FIRE EXTINGUISHER SALES + SERVICE, L.L.C. | DL032985 | 2013-06-27 | Inactive | Big Stone City |
| DURIN FINANCIAL CORPORATION | FB011801 | 1987-11-30 | Revoked | CHICAGO |
| Durity Distribution INC | FB235058 | 2022-09-20 | Active | Boise |
| DURKIN, INCORPORATED | DF011969 | 1973-11-19 | Dissolved | FORT PIERRE |
| DURKIN-REED, INC. | DB029594 | 1990-06-13 | Inactive | — |
| DURLAND FAMILY ADVISORS LLC | DL331691 | 2026-06-22 | Active | Pierre |
| DURLAND LLC | DL331693 | 2026-06-22 | Active | Pierre |
| DURO Health | DL168742 | 2019-08-13 | Active | Watertown |
| DURO-LAST, INC. | FB017229 | 1994-08-29 | Inactive | Saginaw |
| DUROLINE HOMES, LLC | DL017518 | 2008-10-10 | Dissolved | RAPID CITY |
| DURR FARM LLP | DR000298 | 1998-08-27 | Inactive | — |
| DURRE WELL SERVICE, INC. | FB033648 | 2009-07-17 | Revoked | ELGIN |
| DURRELL PUBLICATIONS, INC. | 19590057D | 1959-02-11 | Dissolved | — |
| DURST ENTERPRISES, INC. | DB022159 | 1983-02-22 | Dissolved | — |
| DURST ENTERPRISES, INC. | DB044287 | 2001-07-02 | Dissolved | KEYSTONE |
| Durst Family LLC | DL153601 | 2018-09-07 | Inactive | Mission Hills |
| Durst Real Estate Limited Partnership I LLLP | DP001278 | 2001-09-28 | Inactive | RAPID CITY |
| Durst Real Estate Limited Partnership II LLLP | DP001279 | 2001-09-28 | Inactive | RAPID CITY |
| DURTY NELLY'S, INC. | DB020899 | 1981-08-17 | Dissolved | — |
| DURWARD FAMILY LIMITED PARTNERSHIP | DP001928 | 2008-09-09 | Active | DAKOTA DUNES |
| DURWARD LIFE INSURANCE, L.L.P. | DR001221 | 2008-09-26 | Revoked | DAKOTA DUNES |
| Dusa LLC | DL324506 | 2026-03-27 | Active | Aberdeen |
| DUSA PHARMACEUTICALS, INC. | FB271640 | 2024-03-27 | Inactive | BILLERICA |
| Dusek Properties L.L.C. | DL160325 | 2019-02-14 | Dissolved | Rapid City |
| DUSKS LLC | DL270220 | 2024-03-07 | Dissolved | Wylie |
| Dusky's Crazy Clean LLC | DL261682 | 2023-10-31 | Active | Milbank |
| DUSOHV EISDSB INC | DB323993 | 2026-03-23 | Active | Watertown |
| Dust & Shine LLC | DL184681 | 2020-07-17 | Dissolved | Sioux Falls |
| Dust B Gone LLC | DL193763 | 2020-12-29 | Dissolved | Baltic |
| Dust Bunny Cleaning LLC | DL258386 | 2023-09-08 | Active | Sioux Falls |
| Dust Bunny Maid & Cleaning, LLC | DL261368 | 2023-10-25 | Active | Black Hawk |
| Dust Buster, LLC | DL132304 | 2017-04-07 | Dissolved | SIOUX FALLS |
| Dust Busters Cleaning LLC | DL299174 | 2025-04-30 | Suspended | Sioux Falls |
| Dust Busters, LLC | DL294158 | 2025-02-26 | Dissolved | RAPID CITY |
| DUST CONTROL, LLC | DL016083 | 2008-03-26 | Dissolved | Bruce |
| Dust Diva, LLC | DL263245 | 2023-11-28 | Dissolved | Rapid City |
| Dust Friends Professional Cleaning, L.L.C. | FL246784 | 2023-03-17 | Revoked | South Sioux City |
| DUST IN THE WIND BUFFALO CO., L.L.C. | DL005882 | 2003-05-19 | Inactive | — |
| DUST OF WAR FILM, LLC | DL025293 | 2011-07-27 | Dissolved | PIERRE |
| Dust Up Designs LLC | DL159140 | 2019-01-20 | Dissolved | Union Center |
| DUST-TEX RENTAL, INC. | DB022698 | 1983-09-02 | Dissolved | — |
| DUST-TEX SERVICE, INC. | DB021554 | 1982-05-27 | Suspended | Sioux Falls |
| Dustbusters Enterprises, Inc. | FB179643 | 2020-04-07 | Suspended | Evanston |
| DUSTBUSTERS LLC | DL019791 | 2009-09-21 | Dissolved | mitchell |
| DUSTCOATING, INC. | FB029193 | 2004-12-08 | Revoked | SAVAGE |
| DUSTCOATING, INC. | FB014540 | 1991-05-01 | Revoked | MAPLE PLAIN |
| DUSTER'S CORNER, INC. | DB050670 | 2006-02-02 | Dissolved | RAPID CITY |
| DUSTER'S CORNER, INC. | DB026130 | 1987-02-13 | Dissolved | — |
| Dustin Drive Property LLC | DL208641 | 2021-08-19 | Inactive | Humboldt |
| DUSTIN EVANS, L.L.C. | DL011560 | 2006-06-16 | Active | ABERDEEN |
| Dustin Hofer Family, LLC | DL321266 | 2026-02-19 | Active | Huron |
| DUSTIN HOFFMAN CONSTRUCTION LLC | DL018906 | 2009-05-13 | Active | Sioux falls |
| DUSTIN HOFFMAN CONSTRUCTION, INC. | DL006370 | 2003-10-09 | Inactive | — |
| Dustin Hoffman Properties, LLC | DL224034 | 2022-04-01 | Dissolved | Sioux Falls |
| DUSTIN JOHN TRUCKING LLC | DL255789 | 2023-08-01 | Active | ALCESTER |
| Dustin Konda Drywall, LLC | DL151581 | 2018-07-26 | Active | Huron |
| DUSTIN REIFF FARMS, INC. | DB056601 | 2012-01-09 | Active | COLMAN |
| Dustin Rhoades CSW-PIP LAC LLC | DL284563 | 2024-10-07 | Dissolved | Sioux Falls |
| Dustin Sinner Fine Art, Inc. | DB051100 | 2006-05-12 | Active | WATERTOWN |
| DUSTIN'S REPAIR & AUTO SALES LLC | DL018241 | 2009-02-05 | Active | Mitchell |
| DUSTMAN RANCH, LLP | DR000211 | 1997-10-28 | Active | CAPUTA |
| DUSTMAN'S, INC. | DB031419 | 1992-02-11 | Dissolved | — |
| DUSTROL, INC. | FB020438 | 1997-08-25 | Active | TOWANDA |
| Dusty Acres Hutterian Brethren, Inc. | NS165226 | 2019-05-28 | Active | WESSINGTON SPRINGS |
| DUSTY ACRES LAND LIMITED PARTNERSHIP | DP001692 | 2005-10-31 | Active | — |
| DUSTY ACRES RANCH, L.L.C. | DL011028 | 2006-03-31 | Active | HARROLD |
| Dusty Bergeson Consulting L.L.C. | DL308177 | 2025-08-30 | Active | Pierre |
| Dusty Blue Learning Co LLC | DL315442 | 2025-12-10 | Active | Volga |
| Dusty Boots Handy Man LLC | DL334007 | 2026-07-17 | Active | Canton |
| DUSTY BYRD LLC | DL152988 | 2018-08-26 | Dissolved | BOX ELDER |
| Dusty Goggles Promotions, LLC | DL046279 | 2015-12-17 | Active | PIEDMONT |
| DUSTY LANES, LLC | DL292804 | 2025-02-07 | Active | CANTON |
| DUSTY LLC | DL009632 | 2005-08-03 | Dissolved | Rapid City |
| Dusty LLC | DL320905 | 2026-02-17 | Active | Rapid City |
| Dusty Ridge Forage, LLC | DL322961 | 2026-03-10 | Active | Midland |
| DUSTY ROADS, LLC | DA031013 | 2013-01-18 | Active | PARKSTON |
| DUSTY ROSE DANCE CLUB | NS009932 | 1993-09-14 | Dissolved | — |
| DUSTY SAILS, LLC | DL015552 | 2008-01-14 | Dissolved | BROOKINGS |
| DUSTY TRAIL FARMS, INC. | DF046940 | 2003-06-02 | Active | BROOKINGS |
| Dusty's Originals Custom Hattery LLC | DL189995 | 2020-10-26 | Active | STURGIS |
| Dusty's Originals, LLC | DL154483 | 2018-10-11 | Dissolved | Sturgis |
| Dusty's Tire Service, LLC | DL254148 | 2023-07-06 | Active | Opal |
| DUSTY, INC. | DB036519 | 1995-12-11 | Inactive | — |
| Dustys Mechanical and Piping LLC | DL268465 | 2024-02-13 | Dissolved | Alpena |
| DUTA LANGUAGE SOLUTIONS,LLC | DL302229 | 2025-07-01 | Active | Sioux Falls |
| Dutch Acres, LLC | DL283401 | 2024-09-19 | Active | Vermillion |
| Dutch Boy of Watertown LLC | DL214283 | 2021-11-11 | Active | Watertown |
| DUTCH BROS. CUSTOMS, INC. | DB056750 | 2012-03-16 | Dissolved | RAPID CITY |
| Dutch Brothers Custom Incorporated | DB188136 | 2020-09-23 | Dissolved | Rapid City |
| DUTCH CHEVROLET, BUICK, INC. | 19560046D | 1956-12-28 | Active | — |
| DUTCH DAKOTA DAIRY, LLC | DA013808 | 2007-05-03 | Active | LAKE PRESTON |
| Dutch Dirt LLC | DL221204 | 2022-02-22 | Active | SIOUX FALLS |
| Dutch Distributing, LLC | DL040050 | 2014-08-22 | Dissolved | YANKTON |
| Dutch Drafting Company | DB172240 | 2019-10-29 | Dissolved | Pipestone |
| DUTCH ELM GOLF COURSE | 19630050D | 1963-11-12 | Active | — |
| Dutch Gatto LLC | DL329017 | 2026-05-18 | Active | WATERTOWN |
| Dutch Gatto Publishing, a protected series of Dutch Gatto LLC | DL330789 | 2026-06-09 | Active | WATERTOWN |
| Dutch Gatto Records, a protected series of Dutch Gatto LLC | DL330793 | 2026-06-09 | Active | WATERTOWN |
| Dutch Gatto Vault, a protected series of Dutch Gatto LLC | DL330791 | 2026-06-09 | Active | WATERTOWN |
| Dutch Heritage Vending LLC | DL046947 | 2016-02-01 | Dissolved | SIOUX FALLS |
| DUTCH INN, INC. | DB021580 | 1982-06-10 | Inactive | — |
| DUTCH LIMITED PARTNERSHIP | DP002927 | 2016-07-29 | Inactive | CRESBARD |
| DUTCH MAFIA, LLC | DL026657 | 2011-12-29 | Active | Sioux Falls |
| Dutch Marketing LLC | DL333919 | 2026-07-17 | Active | Beresford |
| DUTCH MILL AGRI SUPPLY, INC. | DB019960 | 1980-08-22 | Inactive | — |
| DUTCH NECK CEMETERY ASSOCIATION | 19360005N | 1936-11-20 | Active | — |
| DUTCH OVEN BAKERY, L.L.C. | DL015067 | 2007-11-15 | Active | PLATTE |
| DUTCH PAINT & BODY, INC. | DB027405 | 1988-05-26 | Inactive | — |
| Dutch Touch Services, LLC | DL049633 | 2016-08-18 | Dissolved | CUSTER |
| DUTCH TRADING GROUP, LLC | DL024753 | 2011-05-20 | Dissolved | DAKOTA DUNES |
| DUTCHMAN BUILDING AND LAND, INC. | DB016729 | 1979-05-23 | Inactive | — |
| Dutchman Painting LLC | DL127741 | 2016-11-16 | Dissolved | Black Hawk |
| DUTCHMAN TRUCKING, INC. | DB052705 | 2007-08-30 | Dissolved | RAPID CITY |
| DUTCHMAN'S HOLDINGS LLC | DL305842 | 2025-07-29 | Active | Keene |
| Dutchs Dog Training, LLC | DL215486 | 2021-12-01 | Dissolved | Sioux Falls |
| DUTCHSTAR CONSULTING, LLC | DL011491 | 2006-06-06 | Inactive | HURON |
| DUTENHOFFER CONSTRUCTION, INC. | DB016331 | 1979-01-10 | Dissolved | — |
| DUTENHOFFER FARMLAND, LLC | DL030710 | 2012-12-26 | Active | Wetonka |
| DUTENHOFFER LAND LIMITED PARTNERSHIP | DP002102 | 2010-05-26 | Inactive | EUREKA |
| DUTENHOFFER MANAGEMENT, LLC | DL021576 | 2010-05-24 | Inactive | ABERDEEN |
| Dutenhoffer Real Estate Limited Partnership | DP001392 | 2002-11-26 | Active | — |
| DUTTON RANCH, L.L.C. | DL014332 | 2007-07-24 | Active | FAITH |
| DUTY METALWORKS, INC. | DB057234 | 2012-10-22 | Active | BROOKINGS |
| DUV SANITATION, INC. | DB047413 | 2003-10-10 | Active | HETTINGER |
| DUVAL CORPORATION | FB006127 | 1977-11-08 | Inactive | HOUSTON |
| Duvall Properties LLC | DL041962 | 2015-01-16 | Active | MT. VERNON |
| DUVEL MOORTGAT USA, LTD. | FB037130 | 2013-10-21 | Revoked | COOPERSTOWN |
| Duven Polygraph Services, LLC | DL170003 | 2019-09-11 | Active | Aberdeen |
| DUVERA BILLING SERVICES, LLC | FL004776 | 2009-09-28 | Active | VISTA |
| DUWENHOEGGER MEMORIAL FUND | NS012825 | 2005-04-25 | Dissolved | — |
| DUX Properties LLC | DL306931 | 2025-08-13 | Active | Watertown |
| Duxbury Beef, LLC | DL227783 | 2022-05-26 | Active | WESSINGTON |
| Duxbury Cattle, LLC | DL131316 | 2017-03-07 | Active | WESSINGTON |
| Duxbury Mobile Veterinary Service, Prof., L.L.C. | DL155393 | 2018-10-22 | Active | Wessington |
| DUXBURY TRUCKING, INC. | DB043368 | 2000-10-30 | Active | Salem |
| DUZ-IT-ALL, INC. | DB024206 | 1985-02-21 | Inactive | — |
| Duza Enterprises, LLC | DL232214 | 2022-08-08 | Active | WATERTOWN |
| DV & JK Properties, LLC | DL255344 | 2023-07-25 | Active | Warner |
| DV CONSTRUCTION, INC. | DB053456 | 2008-03-28 | Active | BELLE FOURCHE |