| CLARKE INTERESTS INC. | FB010411 | 1985-08-28 | Revoked | DES MOINES |
| CLARKE MACHINE INCORPORATED | DB046998 | 2003-06-16 | Dissolved | HOWARD |
| Clarke Management Inc. | DB192432 | 2020-12-08 | Active | New York |
| CLARKE MOSQUITO CONTROL PRODUCTS, INC. | FB027734 | 2003-09-24 | Revoked | ST. CHARLES |
| Clarke Mosquito Control Products, Inc. | FB299386 | 2025-05-02 | Active | ST CHARLES |
| CLARKE PARTNERSHIP LAND CO., L.L.C. | FL000269 | 1997-12-31 | Revoked | DES MOINES |
| Clarke Power Services, Inc. | FB144489 | 2018-02-26 | Active | Cincinnati |
| Clarke Properties, LLC | DL275799 | 2024-05-28 | Active | Wessington |
| Clarke Services, LLC | DL248594 | 2023-04-13 | Active | WESSINGTON |
| CLARKE'S SHEET METAL, INC. | FB013193 | 1989-11-17 | Revoked | EUGENE |
| CLARKE-GAMBER LLC | DL007227 | 2004-04-21 | Dissolved | MITCHELL |
| CLARKE-KENYON LLP | DR001590 | 2004-11-09 | Inactive | PIERRE |
| CLARKE-ROOT L.L.C. | DL001754 | 1998-07-06 | Dissolved | — |
| ClarkPreservation LLC | DL255128 | 2023-07-21 | Dissolved | Humble TX |
| Clarks Landing I Inc. | DB059259 | 2014-07-16 | Active | VERMILLION |
| Clarks Landing II Inc. | DB059260 | 2014-07-16 | Dissolved | VERMILLION |
| CLARKSIDE CEMETERY, INCORPORATED | 19540008N | 1954-05-19 | Active | — |
| CLARKSOFT, INC. | FB034093 | 2010-01-28 | Inactive | HURON |
| CLARKSON AND COMPANY | DF033620 | 1993-11-16 | Active | Buffalo |
| CLARKSON BANCSHARES LIMITED PARTNERSHIP | DP001001 | 1999-03-04 | Inactive | — |
| CLARKSON CONSTRUCTION COMPANY | FB014773 | 1991-08-28 | Revoked | KANSAS CITY |
| CLARKSON HOLDINGS LIMITED PARTNERSHIP | DP001717 | 2006-01-30 | Active | — |
| Clarkson Industrial Contractors, Inc. | FB306770 | 2025-08-11 | Active | Spartanburg |
| CLARKSON LAND AND LIVESTOCK CO., INC. | DF006250 | 1967-08-18 | Dissolved | — |
| CLARKSON LIVESTOCK, LLC | DL001981 | 1998-12-23 | Active | BUFFALO |
| CLARKSON RANCH AND PETROLEUM EXPLORATION COMPANY INC. | DF002039 | 1988-11-02 | Dissolved | BELLE FOURCHE |
| CLARKSON-MOORE CEMETERY ASSOCIATION | 19240004N | 1924-06-04 | Active | — |
| CLARKSON-MOUNTAIN VIEW GUEST HOME, INC. OF RAPID CITY, SOUTH DAKOTA | NS000215 | 1956-11-09 | Inactive | — |
| CLARKSONS STEAK HOUSE, INC. | DB027195 | 1988-03-10 | Inactive | — |
| Clarkston Potomac Group Inc | FB236017 | 2022-10-03 | Inactive | Durham |
| CLARKSTREET LLC | DL127929 | 2016-11-21 | Inactive | Pierre |
| CLARMONT HUTTERIAN BRETHREN, INC. | NS008507 | 1987-03-31 | Active | CASTLEWOOD |
| CLARMONT SCHOOL | NS008942 | 1989-04-26 | Dissolved | CASTLEWOOD |
| CLARNO PORK, INC. | DF032369 | 1992-12-07 | Dissolved | — |
| CLARO CARE LLC | DL320201 | 2026-02-06 | Active | BOX ELDER |
| CLARO ENTERPRISE SOLUTIONS, LLC | FL145470 | 2018-03-16 | Active | MIRAMAR |
| CLARON ENTERPRISES L.L.C. | DL001581 | 1998-02-26 | Dissolved | — |
| CLARUS THERAPEUTICS, INC. | FB197774 | 2021-03-02 | Revoked | NORTHBROOK |
| Clary's Custom Comps and Gun Works, LLC | DL038224 | 2014-04-07 | Dissolved | FLANDREAU |
| CLARYS CANNONS LLC | DL184113 | 2020-07-07 | Active | HOWARD |
| CLASCH PROPERTIES, LLC | DL021926 | 2010-07-12 | Dissolved | SIOUX FALLS |
| Class Act Construction LLC | DL260929 | 2023-10-18 | Dissolved | Sioux Falls |
| CLASS ACT TANNING, INC. | DB050786 | 2006-03-02 | Dissolved | WATERTOWN |
| CLASS APPRAISAL INC. | FB035562 | 2011-11-21 | Inactive | Troy |
| CLASS AUTO SALES & DETAIL, L.L.C. | DL030184 | 2012-11-26 | Dissolved | Sioux City |
| CLASS CONSTRUCTION COMPANY | DB037123 | 1996-04-24 | Inactive | — |
| CLASS VALUATION LLC | FL149913 | 2018-06-20 | Active | Troy |
| CLASSEN FABRICATION, INC. | FB023989 | 2000-06-09 | Revoked | NORFOLK |
| CLASSGAARD HOMES, INC. | DB050222 | 2005-10-13 | Active | PIEDMONT |
| CLASSGAARD SERVICES, INC. | DB056767 | 2012-03-21 | Active | PIEDMONT |
| Classic Administration Systems, LLC | FL147986 | 2018-05-08 | Active | CHEYENNE |
| CLASSIC ANIMAL SUPPLY, LLC | DL030205 | 2012-11-28 | Active | Whitewood |
| CLASSIC AUTO ASSEMBLERS, INC. | DB039649 | 1998-02-06 | Inactive | — |
| CLASSIC AUTO SERVICES, INC. | FB022131 | 1998-12-28 | Inactive | WEST LIBERTY |
| Classic Body & Glass, LLC | DL045976 | 2015-11-30 | Dissolved | WATERTOWN |
| CLASSIC BODY WERKS, INC. | DB030941 | 1991-09-12 | Inactive | — |
| CLASSIC CABINETS AND DESIGN LLC | DL128524 | 2017-01-01 | Inactive | WATERTOWN |
| Classic Cans, LLC | DL046962 | 2016-02-04 | Inactive | WEBSTER |
| CLASSIC CAR WASH, INC. | DB023109 | 1984-01-31 | Inactive | — |
| CLASSIC CARDS & GIFTS, INC. | DB044614 | 2001-10-12 | Dissolved | — |
| CLASSIC CARDS & GIFTS, L.L.C. | DL000729 | 1996-02-21 | Dissolved | — |
| CLASSIC CATERING, LLC | DL003617 | 2001-03-06 | Inactive | — |
| CLASSIC CITY, U S A, INC. | DB028250 | 1989-03-28 | Inactive | — |
| CLASSIC CLEAN, INC. | DB029095 | 1990-01-23 | Dissolved | YANKTON |
| Classic Cliche, LLC | DL039409 | 2014-07-03 | Dissolved | JEFFERSON |
| CLASSIC CLICKS PHOTOGRAPHY, INC. | DB043757 | 2001-02-01 | Inactive | — |
| CLASSIC COLLISION & FRAME, INC. | DB042532 | 2000-03-08 | Active | MENNO |
| Classic Computers Corporation | DB280065 | 2024-07-30 | Active | Watertown |
| Classic Concrete, LLC | DL044253 | 2015-07-06 | Inactive | CROOKS |
| Classic Construction LLC | DL250018 | 2023-05-03 | Active | Sioux Falls |
| CLASSIC CONVENIENCE, INC. | DB039692 | 1998-02-18 | Dissolved | GARRETSON |
| Classic Convenience, Inc. | DB131489 | 2017-03-13 | Active | COLTON |
| CLASSIC CORNER LIMITED PARTNERSHIP | DP001482 | 2003-09-18 | Inactive | — |
| CLASSIC CREATIONS, LLC | DL043084 | 2015-04-02 | Dissolved | UTICA |
| CLASSIC CRUISERS, INC. | NS009361 | 1991-03-22 | Active | VERMILLION |
| Classic Customer Service, L.L.C. | DL242247 | 2023-01-14 | Dissolved | Sioux Falls |
| Classic Cuts, Inc. | DB132480 | 2017-04-13 | Dissolved | SIOUX FALLS |
| Classic Design Homes, LLC | DL211758 | 2021-10-06 | Active | Spearfish |
| Classic Digs, Inc. | DB159705 | 2019-01-30 | Dissolved | PINEDALE |
| CLASSIC DRYWALL SYSTEMS, INC. | FB026736 | 2002-11-04 | Inactive | LEHI |
| CLASSIC DRYWALL, INC. | FB017218 | 1994-08-26 | Revoked | NEW BRIGHTON |
| CLASSIC ENTERPRISES, LTD. | DB040233 | 1998-06-29 | Active | SIOUX FALLS |
| CLASSIC ENVELOPES, INC. | FB010117 | 1985-03-18 | Revoked | EDEN PRAIRIE |
| CLASSIC FARM, L.L.C. | DL001698 | 1998-06-01 | Active | Brandon |
| Classic Fireworks, LLC | DL043406 | 2015-05-14 | Active | Sisseton |
| CLASSIC FOODS OF SIOUX FALLS, INC. | DB045623 | 2002-06-26 | Dissolved | BISMARCK |
| CLASSIC FOODS, LTD. | FB015181 | 1992-04-06 | Inactive | BISMARCK |
| CLASSIC FURNITURE, INC. | DB035517 | 1995-03-09 | Dissolved | — |
| CLASSIC HARDWOOD FLOORS, INC. | DB042752 | 2000-05-01 | Active | HARRISBURG |
| Classic heavy equipment services llc | DL200223 | 2021-04-05 | Dissolved | Lead |
| CLASSIC HOME LENDING, INC. | FB029844 | 2005-08-05 | Inactive | HOUSTON |
| Classic Home Repair LLC | DL294318 | 2025-02-28 | Active | Sioux Falls |
| CLASSIC HOMES, INC. | DB034993 | 1994-11-15 | Inactive | — |
| CLASSIC HOMES, INC. | DB023118 | 1984-02-01 | Inactive | — |
| Classic Images, LLC | DL166198 | 2019-06-18 | Suspended | Watertown |
| CLASSIC IMPORT REPAIR, INC. | DB025745 | 1986-10-03 | Inactive | SIOUX FALLS |
| CLASSIC INDUSTRIAL SERVICES, INC. | FB189735 | 2020-10-20 | Active | Baton Rouge |
| Classic Lawns by Mark, Inc. | DB059688 | 2014-12-29 | Active | Sioux Falls |
| CLASSIC LIMOUSINE INC | DB034129 | 1994-03-04 | Inactive | — |
| Classic Logistics, LLC | DL228710 | 2022-06-10 | Active | Sioux Falls |
| CLASSIC MARBLE WORKS, INC. | DB046122 | 2002-11-25 | Dissolved | PIEDMONT |
| CLASSIC MARKETING COMPANY, INC. | FB012493 | 1988-12-16 | Inactive | SYOSSET |
| CLASSIC MEMORIES, INC. | DB028625 | 1989-08-10 | Dissolved | — |
| CLASSIC MOTOR WORKS DISTRIBUTING, INC. | DB042568 | 2000-03-15 | Inactive | — |
| CLASSIC MOTOR WORKS MANUFACTURING, INC. | DB042569 | 2000-03-15 | Dissolved | RAPID CITY |
| CLASSIC NAILS II | GP257542 | 2023-08-28 | Active | RAPID CITY |
| CLASSIC NAILS, INC. | DB055688 | 2010-11-10 | Dissolved | RAPID CITY |
| CLASSIC ONE INSURANCE, LLC | FL000970 | 2001-05-29 | Revoked | SCOTTSBLUFF |
| Classic Painting LLC | DL233977 | 2022-09-04 | Dissolved | Sioux Falls |
| CLASSIC PERFORMANCE AUTOS, INC. | DB050115 | 2005-09-08 | Inactive | — |
| CLASSIC PROPERTY CARE, LLC | DL023513 | 2011-01-14 | Dissolved | SIOUX FALLS |
| CLASSIC PROTECTIVE COATINGS, INC. | FB035940 | 2012-04-27 | Active | MENOMONIE |
| CLASSIC RESTAURANT SYSTEMS, INC. | FB005526 | 1976-08-17 | Inactive | LINCOLN |
| Classic Restorations, LLC | DL168499 | 2019-08-08 | Inactive | Sioux Falls |
| CLASSIC SERVICE INC. | DB056336 | 2011-09-14 | Active | SIOUX FALLS |
| CLASSIC SILVER COMPANY, INC. | DB040863 | 1998-12-28 | Dissolved | — |
| CLASSIC SOILS, L.L.C. | DL007110 | 2004-03-26 | Inactive | — |
| CLASSIC TOWNHOMES, LLC | DL011206 | 2006-04-26 | Dissolved | RAPID CITY |
| Classic Trucking Services, LLC | DL178401 | 2020-03-06 | Inactive | Spearfish |
| Classic Ventures, Inc. | DB143562 | 2018-02-05 | Active | Sioux Falls |
| CLASSIC VETERINARY SERVICES INC | DB057393 | 2012-12-26 | Active | WHITEWOOD |
| CLASSIC WEIGHT LOSS CENTER, INC. | DB021850 | 1982-10-12 | Inactive | — |
| CLASSIC'S BAR & GRILL, INC. | DB042296 | 2000-01-06 | Inactive | — |
| CLASSICAL CONVERSATIONS OF MARION, SOUTH DAKOTA, LLC | DL043899 | 2015-06-04 | Inactive | PARKER |
| Classical Gass LLC | DL182817 | 2020-06-10 | Dissolved | Sioux Falls |
| Classics Auto Repair LLC | DL163603 | 2019-04-23 | Active | Florence |
| CLASSIS OF DAKOTA, REFORMED CHURCH IN AMERICA | CH000120 | 1960-02-23 | Dissolved | SIOUX FALLS |
| CLASSROOM CONNECTION, INC. | DB040487 | 1998-09-10 | Active | WATERTOWN |
| CLASSROOM, LLC | DL177111 | 2020-02-10 | Active | Rapid City |
| Classy Brain LLC | FL159067 | 2019-01-17 | Revoked | Rapid City |
| CLASSY BRAIN LLC | FL227600 | 2022-05-24 | Revoked | Rapid City |
| Classy Canine Carriers LLC | DL154105 | 2018-09-19 | Dissolved | Dell Rapids |
| Classy Canine Pet Grooming, llc | DL143436 | 2018-02-03 | Dissolved | Rapid City |
| Classy Cans LLC | DL048945 | 2016-06-16 | Dissolved | WALL |
| CLASSY GALS OF THE OLD WEST, LLC | DL007426 | 2004-06-02 | Inactive | — |
| Classy Nails LLC | DL298662 | 2025-04-23 | Active | Sioux falls |
| Classy Rentals LLC | DL306170 | 2025-08-03 | Active | Sioux Falls |
| CLASSY, INC. | DB036841 | 1996-02-14 | Inactive | — |
| CLATJ, LLC | DL297416 | 2025-04-08 | Suspended | Parker |
| Claton's Voice, LLC | DL150211 | 2018-06-25 | Active | RAPID CITY |
| CLAUD HONE REALTORS | DB005051 | 1965-06-16 | Inactive | — |
| Claudes 3D Prints LLC. | DL323258 | 2026-03-13 | Active | Sioux Falls |
| CLAUDIA'S CAFE L.L.C. | DL025899 | 2011-10-03 | Dissolved | WHITE LAKE |
| CLAUS & MARJ FARMS, L.L.C. | DA004858 | 2002-06-25 | Active | MANDAN |
| CLAUSEN & RICE, LLP | DR000852 | 2004-11-12 | Dissolved | Pierre |
| Clausen & Sons Construction, LLC | DL140829 | 2017-12-11 | Active | Watertown |
| CLAUSEN CONSTRUCTION, INC. | DB015282 | 1978-05-09 | Active | WATERTOWN |
| CLAUSEN ENTERPRISES, LLC | DL004411 | 2002-01-29 | Active | sioux falls |
| CLAUSEN FAMILY FOUNDATION | NS013379 | 2007-03-28 | Active | HOLSTEIN |
| CLAUSEN FUNERAL HOME, INC. | DB010898 | 1972-01-05 | Dissolved | — |
| Clausen Properties, LLC | DL141339 | 2017-12-21 | Active | Watertown |
| CLAUSEN SANITATION, INC. | DB039287 | 1997-12-01 | Active | REDFIELD |
| Clausen Wood Products, LLC | DL261580 | 2023-10-30 | Active | Sturgis |
| CLAUSER INCORPORATED | DB048746 | 2004-09-17 | Active | RAPID CITY |
| Clauser Machine Building, LLC | DL255006 | 2023-07-19 | Active | Spearfish |
| Clauser Machine Works, LLC | DL255005 | 2023-07-19 | Active | Spearfish |
| CLAUSON CONSTRUCTION AND DESIGN, INC. | DB047786 | 2004-01-12 | Active | BOX ELDER |
| CLAUSON LIMITED LIABILITY COMPANY | DL009093 | 2005-04-25 | Inactive | — |
| CLAUSON PROPERTIES, LLC | DL025041 | 2011-06-27 | Dissolved | SIOUX FALLS |
| CLAUSSEN PHOTOGRAPHY, INC. | DB051098 | 2006-05-12 | Active | Black Hawk |
| Claussen Suppliers LLC | DL223133 | 2022-03-20 | Dissolved | Rapid City |
| CLAUSSEN TRANSPORTATION, INC. | DB054854 | 2009-10-19 | Dissolved | BURKE |
| Clavel Ranch SD LLC | DL141435 | 2017-12-22 | Active | Eagle Butte |
| CLAW CONSTRUCTION, INC. | FB036190 | 2012-08-14 | Inactive | WALES |
| CLAW VAPES, LLC | DL043988 | 2015-06-15 | Dissolved | RAPID CITY |
| CLAW, ANTLER AND HIDE, INC. | DB037417 | 1996-07-05 | Active | CUSTER |
| Claws And Daggers LLC | DL313046 | 2025-11-06 | Active | Watertown |
| Claws n' Paws Pet SitterZ LLC | DL180762 | 2020-04-30 | Active | Lennox |
| Clawson Communications, Inc. | FB211863 | 2021-10-07 | Active | Greenwood |
| CLAWSON SUPER 8 MOTEL, INC. | DB026598 | 1987-08-04 | Dissolved | — |
| Clawz Arcade Inc. | DB266346 | 2024-01-13 | Active | Brandon |
| Clay Agronomics and Arbor Care LLC | DL275499 | 2024-05-22 | Dissolved | Sioux Falls |
| Clay Agronomics and Arbor Care LLC | DL150220 | 2018-06-26 | Suspended | Brandon |
| Clay Anderson Properties LLC | DL275590 | 2024-05-23 | Active | Sioux Falls |
| Clay Cattle Management LLC | DL050429 | 2016-10-24 | Dissolved | Vermillion |
| CLAY CHIROPRACTIC CENTER, P.C. | DB044115 | 2001-05-09 | Active | BERESFORD |
| CLAY CONTRACTORS, INC. | FB010999 | 1986-07-30 | Revoked | SPENCER |
| CLAY CORP. | DB029395 | 1990-04-16 | Inactive | — |
| CLAY COUNTY ABSTRACT & TITLE COMPANY | DB006317 | 1946-05-08 | Active | VERMILLION |
| CLAY COUNTY AGRICULTURAL FAIR ASSOCIATION | NS002595 | 1953-03-14 | Active | VERMILLION |
| CLAY COUNTY BUILDING AUTHORITY | NS008576 | 1987-07-21 | Active | VERMILLION |
| CLAY COUNTY CONSERVATION DISTRICT | DM009340 | 1940-03-26 | Active | VERMILLION |
| clay county construction LLC | DL199079 | 2021-03-21 | Dissolved | Wakonda |
| CLAY COUNTY COUNCIL FOR RECYCLING AND CONSERVATION | NS009545 | 1992-01-09 | Inactive | — |
| Clay County Data, LLC | DL323441 | 2026-03-16 | Active | Tea |
| CLAY COUNTY EMERGENCY RESPONSE ASSOCIATION | NS007932 | 1984-09-06 | Active | VERMILLION |
| Clay County Finetrading Bros LLC | DL280378 | 2024-08-04 | Active | Watertown |
| Clay County Flyers 4-H Club | NS245307 | 2023-02-27 | Dissolved | VERMILLION |
| CLAY COUNTY HEALTH FOUNDATION, INC. | NS006001 | 1976-05-10 | Inactive | — |
| CLAY COUNTY HISTORICAL SOCIETY, INC. | NS014585 | 2011-04-20 | Active | VERMILLION |
| Clay County Homestead, LLC | DL331772 | 2026-06-22 | Active | Las Vegas |
| CLAY COUNTY PARK ASSOCIATION, A CORPORATION | NS007817 | 1984-04-04 | Active | Burbank |
| CLAY COUNTY RESCUE ASSOCIATION | NS005538 | 1974-04-05 | Inactive | — |
| CLAY COUNTY SEED, INC. | FB005929 | 1977-07-01 | Revoked | VERMILLION |
| CLAY COUNTY SPORTSMAN'S CLUB | NS001849 | 1950-03-16 | Active | MECKLING |
| CLAY COUNTY SPRAYING SERVICE, INCORPORATED | NS002584 | 1956-08-11 | Dissolved | — |
| CLAY COUNTY YOUTH TRUST FUND, INC. | NS005227 | 1972-12-08 | Active | VERMILLION |
| Clay Creek Consulting LLC | DL241431 | 2023-01-03 | Active | Vermillion |
| CLAY CREEK TELEPHONE COMPANY, INCORPORATED | PU000520 | 1959-04-06 | Inactive | — |
| CLAY DUNES, INC. | DB052101 | 2007-03-06 | Active | YANKTON |