| KONRAD LAND & CATTLE, INC. | DB046545 | 2003-03-04 | Dissolved | — |
| Konrad Law, Prof. L.L.C. | DL175099 | 2019-12-31 | Active | TRIPP |
| Konrad Properties, LLC | DL304064 | 2025-07-07 | Active | Tripp |
| Konrad Trautman Trucking, LLC | DL247465 | 2023-03-28 | Active | Pierre |
| Konrady Contracting LLC | DL245575 | 2023-03-02 | Active | Watertown |
| Konrady Psychological Services, LLC | DL221986 | 2022-03-04 | Active | Harrisburg |
| Konrady Restaurants, Inc. | DB171942 | 2019-10-21 | Active | WATERTOWN |
| Konrowdy Gaming & Entertainment L.L.C. | DL292023 | 2025-01-28 | Dissolved | Sioux Falls |
| Konscious Konnections LLC | DL295105 | 2025-03-11 | Active | Spearfish |
| Konspiracy Cosplay LLC | DL127959 | 2016-11-21 | Active | WAGNER |
| Konst Enterprises, LLC | DL291628 | 2025-01-23 | Active | Rapid City |
| KONSTANT APPRAISALS, INC. | DB040888 | 1998-12-31 | Dissolved | SPEARFISH |
| KONSTANT CHIROPRACTIC CENTER, P.C. | DB055759 | 2010-12-14 | Active | SIOUX FALLS |
| KONSTANT CHIROPRACTIC CLINIC, P.C. | DB031884 | 1992-06-26 | Active | WATERTOWN |
| KONSTANT PROPERTIES, L.L.C. | DL015358 | 2007-12-24 | Active | Wilmot |
| KONSTANT REAL ESTATE, LLC | DL044054 | 2015-06-19 | Active | SPEARFISH |
| KonstructIQ, Inc. | FB296954 | 2025-04-01 | Active | Los Altos |
| Konterra LLC | DL334573 | 2026-07-23 | Active | Rapid City |
| KONTOOR SALES, INC. | FB022559 | 1999-05-20 | Revoked | GREENSBORO |
| Kontoor Sales, Inc. | FB235928 | 2022-10-03 | Active | Greensboro |
| Kontrole LLC | DL045058 | 2015-09-08 | Active | SIOUX FALLS |
| KONTZ CONSTRUCTION, INC. | DB016757 | 1979-05-31 | Inactive | — |
| Kontz Investments LLC | DL049297 | 2016-07-19 | Active | Sioux Falls |
| Kontz Properties, LLC | DL139597 | 2017-11-09 | Active | Chamberlain |
| Kontz Waterproofing LLC | DL328338 | 2026-05-09 | Active | HUMBOLDT |
| Konur, LLC | DL163729 | 2019-04-25 | Dissolved | Faith |
| Koo Lavin Protectors LLC | DL266474 | 2024-01-16 | Active | — |
| KOOH, LLC | DL014170 | 2007-06-29 | Inactive | — |
| KOOIKER & ASSOCIATES CORP. | FB016829 | 1994-04-08 | Inactive | SIOUX FALLS |
| KOOIKER DAIRY FARMS, INC. | FF009548 | 1992-05-01 | Revoked | ORANGE CITY |
| KOOIKER DEVELOPMENT, INC. | DB031723 | 1992-05-04 | Inactive | — |
| KOOIMA & ASSOCIATES, INC. | DB036466 | 1995-11-27 | Inactive | — |
| Kooima Cleaning Services, LLC | DL243282 | 2023-01-30 | Dissolved | Sioux Falls |
| Kooima Handyman Service LLC | DL265195 | 2023-12-27 | Active | Sioux Falls |
| KOOIMAN AUTOMOTIVE INC. | DB046803 | 2003-05-01 | Active | sioux falls |
| KOOIMAN CONSTRUCTION, LIMITED PARTNERSHIP | DP001401 | 2002-12-30 | Inactive | — |
| KOOK'S LLP | DR001560 | 2013-06-03 | Dissolved | BLACK HAWK |
| KOOKABURRA, INC. | DB027016 | 1988-01-07 | Inactive | — |
| KOOKS, LLC | DL258181 | 2023-09-06 | Dissolved | Philip |
| Kool Beans Coffee and Roasterie, Inc. | DB056871 | 2012-05-07 | Active | BROOKINGS |
| Kool Beans LLC | DL164295 | 2019-05-07 | Dissolved | Brookings |
| Kool breeze transport llc | DL170499 | 2019-09-20 | Dissolved | Watertown |
| Kool Breeze Trucking LLC | DL185305 | 2020-07-30 | Dissolved | Heron |
| Kool Customs L.L.C. | DL258769 | 2023-09-14 | Dissolved | Sturgis |
| Kool Deadwood Nites Official LLC | DL173852 | 2019-12-04 | Dissolved | Deadwood |
| Kool Wash, Inc. | DB285276 | 2024-10-17 | Active | Hartford |
| Kool's Car Wash, LLC | DL240415 | 2022-12-15 | Active | Hartford |
| KoolAcres L.L.C. | DL136915 | 2017-09-11 | Active | Brandon |
| Koolstra Guide Service LLC | DL262392 | 2024-01-01 | Active | Sioux Falls |
| Kooner Truck Repair Inc | FB281476 | 2024-08-21 | Revoked | Sacramento |
| KOONS & COMPANY | DB019440 | 1980-01-28 | Dissolved | SIOUX FALLS |
| Koontz Bryant Johnson Williams, Inc. | FB212696 | 2021-10-20 | Active | Henrico |
| KOONTZ COMPANIES, INC. | DB050616 | 2006-01-23 | Dissolved | PIEDMONT |
| Koontz Electric Company, Inc | FB224148 | 2022-04-04 | Active | Morrilton |
| Koop Group, LLC | DL294070 | 2025-02-25 | Active | Murdo |
| Koopal Plumbing, LLC | DL263886 | 2024-01-01 | Active | Platte |
| Koopal Spraying, LLC | DL166406 | 2019-06-22 | Active | Geddes |
| KOOPMAN & SONS GAS COMPANY, INC. | DB019231 | 1979-11-21 | Active | COLTON |
| KOOPMAN CONSIGNMENT CORPORATION | DB020453 | 1981-03-02 | Inactive | — |
| KOOPMAN CONSTRUCTION, LLC | DL174063 | 2019-12-09 | Dissolved | Sioux Falls |
| KOOPMAN ENTERPRISE, INC. | DB042386 | 2000-01-31 | Inactive | — |
| Koopmans Brothers, LLC | DL191484 | 2020-11-18 | Active | Grandview |
| Koops BBQ & Catering, LLC | DL278332 | 2024-07-06 | Inactive | HURON |
| Koops Electric LLC | DL311990 | 2025-10-21 | Active | Parker |
| Koops Rentals LLC | DL211962 | 2021-10-08 | Inactive | Huron |
| KOOPSMA CONSULTING, INC. | DB036091 | 1995-07-31 | Inactive | — |
| KOORSEN FACILITIES MANAGEMENT, LLC | FL129319 | 2017-01-03 | Revoked | INDIANAPOLIS |
| Kope LLC | DL186930 | 2020-08-31 | Dissolved | Sioux Falls |
| KOPECKY, LLP | DR001187 | 2008-04-07 | Active | ROCHESTER |
| Kopejtka Transports, LLC | DL315267 | 2025-12-08 | Active | Rapid City |
| KOPETSKY ENTERPRISES, INC. | DB019166 | 1979-10-25 | Active | Yankton |
| Kopetsky Family Investments, LLC | DL039375 | 2014-06-27 | Active | YANKTON |
| Kopetsky, Inc. | DB060548 | 2015-12-17 | Active | YANKTON |
| Kopf Dental Group P.C. | DB060780 | 2016-03-30 | Active | VERMILLION |
| Kopf Holdings LLC | DL046987 | 2016-02-08 | Active | VERMILLION |
| Kopfmann Land LLC | DL139415 | 2017-11-06 | Active | ALPENA |
| KOPFMANN LIVESTOCK, LLC | DL042608 | 2015-03-05 | Active | Huron |
| Kopfmann Ranch, LLC | DL310924 | 2025-10-07 | Active | Virgil |
| KOPKE ENTERPRISES, INC. | DB023545 | 1984-06-26 | Dissolved | — |
| Kopman Ag LLC | DL282764 | 2024-09-10 | Active | BRYANT |
| Kopman Cattle LLC | DL252321 | 2023-06-06 | Active | estelline |
| Kopman Construction LLC | DL044167 | 2015-06-29 | Active | LAKE NORDEN |
| Kopman Mfg LLC | DL263573 | 2023-12-01 | Active | Bryant |
| KOPP BUILDING INNOVATIONS LLC | DL283019 | 2024-09-13 | Active | UTICA |
| Kopp Construction LLC | DL228511 | 2022-06-08 | Dissolved | sioux falls |
| Koppang Brothers LAND LLC | DL222803 | 2022-03-15 | Active | — |
| KOPPER KETTLE, INC. | DB022954 | 1983-12-15 | Inactive | — |
| KOPPER KEY APARTMENTS, LLC | DL018850 | 2009-05-04 | Dissolved | DEADWOOD |
| Kopperlake Konstruction, LLC | DL135686 | 2017-08-06 | Dissolved | Sioux Falls |
| Koppers Inc. | FB281847 | 2024-08-27 | Active | Pittsburgh |
| Koppers Railroad Structures Inc. | RS005939 | 2014-05-29 | Active | — |
| Koppers Utility Services LLC | FL301091 | 2025-05-27 | Active | Pittsburgh |
| KOPPIEN AUTOMOTIVE, INC. | DB032493 | 1993-01-04 | Dissolved | — |
| Kopplin Appraisals, P.C. | DB180514 | 2020-04-27 | Active | Sturgis |
| KOPPLIN HOLDINGS, LLC | DL037430 | 2014-02-13 | Dissolved | PIEDMONT |
| Koppman Heating and Cooling, Duct Cleaning L.L.C. | DL218200 | 2022-01-11 | Active | Alcester |
| KOPPMANN PROPERTIES, LLC | DL030669 | 2012-12-21 | Active | RAPID CITY |
| KOPREN MOTORS, INC. | DB049581 | 2005-04-15 | Active | RAPID CITY |
| Kopren Ranch, Inc. | DB290520 | 2025-01-07 | Active | Prairie City |
| Kopriva Angus, LLC | DL046255 | 2015-12-16 | Active | RAYMOND |
| Kor Aviation, LLC. | DL142900 | 2018-01-22 | Active | PIEDMONT |
| Kor Brothers LLC | DL183151 | 2020-06-16 | Active | White |
| KOR CONSTRUCTION, INC. | DB050713 | 2006-02-15 | Inactive | WHITE |
| KOR CONSULTING, INC. | DB043904 | 2001-03-15 | Active | Sturgis |
| KOR ETHANOL, INC. | DB040284 | 1998-07-13 | Inactive | — |
| Kor Family Cattle LLC | DL219667 | 2022-02-01 | Dissolved | White |
| KOR FARMS. INC | DB059612 | 2014-12-08 | Dissolved | White |
| KOR FEEDS AND LIVESTOCK, INC. | DB050714 | 2006-02-15 | Inactive | WHITE |
| Kor Flight Service, LLC | DL175351 | 2020-01-07 | Active | Sturgis |
| KOR INDUSTRIES, INC. | DB052953 | 2007-11-26 | Dissolved | MONTROSE |
| KOR Training LLC | DL263250 | 2023-11-28 | Active | SIOUX FALLS |
| KOR WASTE MANAGEMENT, INC. | DB048036 | 2004-03-16 | Inactive | — |
| KOR WELDING & MACHINE, INC. | DB044008 | 2001-04-12 | Inactive | — |
| KORA TEMPLE ASSOCIATION | 19080013ND | 1908-08-31 | Active | — |
| KORAE INVESTMENTS, L.L.C. | DL000119 | 1994-02-15 | Inactive | — |
| Koranda Construction, LLC | DL247618 | 2023-03-29 | Active | Vermillion |
| Koranda Well & Pump, LLC | DL231346 | 2022-07-26 | Active | Hull |
| KORANDA WELL COMPANY, LLC | DL016864 | 2008-06-30 | Dissolved | TABOR |
| KORANDA, LLC | DL020818 | 2010-02-17 | Active | SCOTTSDALE |
| KORB, INC. | DB049868 | 2005-06-20 | Inactive | — |
| Korban Tile and Flooring LLC | DL210475 | 2021-09-18 | Dissolved | Sioux Falls |
| KORBER SUPPLY CHAIN LLC | FL218421 | 2022-01-13 | Active | DFW Airport |
| Korbet Bleu Inc. | DB061082 | 2016-08-18 | Active | Gillette |
| KORBY CONTRACTING CO. INC. | FB024464 | 2000-10-25 | Active | FERGUS FALLS |
| KORCZAK'S HERITAGE, INCORPORATED | DB013164 | 1975-10-23 | Active | Custer, SD |
| KORDONOWY CONSTRUCTION LLC | DL281293 | 2024-08-19 | Active | RAPID CITY |
| Kordonowy Custom Comfort LLC | DL273709 | 2024-04-25 | Active | Black Hawk |
| Kore Cares Choice, LLC | DL135632 | 2017-08-03 | Inactive | Sioux Falls |
| Kore Cares In Home Services, LLC | DL228674 | 2022-06-09 | Active | Sioux Falls |
| Kore Cares, LLC | DL045599 | 2015-10-26 | Active | SIOUX FALLS |
| KOrE Holdings, LLC | DL038910 | 2014-05-21 | Dissolved | HARRISBURG |
| Kore Refrigeration, LLC | FL211544 | 2021-10-04 | Active | Melbourne |
| KORE WIRELESS INC. | FB267547 | 2024-01-31 | Active | ATLANTA |
| KOREA PALLET & CARRIES CO LLC | DL332203 | 2026-06-27 | Active | Kyle |
| Korean Church of Sioux Falls | CH003544 | 2006-08-07 | Active | SIOUX FALLS |
| KOREAN WAR VETERANS ASSOCIATION, CHAPTER 160 | NS011368 | 1999-11-01 | Dissolved | RAPID CITY |
| KOREAN WAR VETERANS MEMORIAL DEDICATION FOUNDATION, INC. | FN010459 | 1995-03-09 | Inactive | ATLANTA |
| KoreanRe Insurance Services, Inc. | FB261362 | 2023-10-25 | Active | RIDGEFIELD PARK |
| KORESKO FINANCIAL, LIMITED PARTNERSHIP | FP000570 | 2005-01-28 | Active | BRIDGEPORT |
| Korey Freudenthal Construction, LLC | DL047818 | 2016-03-31 | Active | GROTON |
| KOREY INTERNATIONAL UNIVERSITY, INC. | DB043486 | 2000-12-12 | Inactive | — |
| KORFITSEN, LLC | DL272766 | 2024-04-12 | Active | Rapid City |
| KORI BLAKE ENTERPRISES, LLC | DL029454 | 2012-09-19 | Active | ST LAWRENCE |
| Korkow Brothers, L.L.C. | DL050177 | 2016-10-03 | Active | CANISTOTA |
| Korkow Enterprises, LLC | DL201353 | 2021-04-21 | Active | Sioux Falls |
| Korkow Investments, LLC | DL223186 | 2022-03-21 | Active | Sioux Falls |
| Korkow Properties, LLC | DL284707 | 2024-10-08 | Active | Canistota |
| Korkow Ranch Pheasant Hunting LLC | DL128711 | 2016-12-16 | Active | Pierre |
| Korkow Rodeos, LLC | DL035740 | 2013-11-21 | Active | Pierre |
| KORKYKAYBITES, LLC | DL256212 | 2023-08-07 | Active | Yankton |
| KORMANAGEMENT SERVICES, LLC | DL018139 | 2009-01-22 | Active | FLORENCE |
| Korn Family SoDa LLC | DL249756 | 2023-04-28 | Active | Pierre |
| KORN FAMILY SODA SPE LLC | DL252672 | 2023-06-12 | Active | Pierre |
| KORN FERRY (US) INC | FB035265 | 2011-07-08 | Active | LOS ANGELES |
| KORN FERRY ISP, LLC | FL252851 | 2023-06-14 | Active | LOS ANGELES |
| KORN PALACE BROADCASTING, INC. | DB013017 | 1975-07-22 | Dissolved | — |
| KORN/FERRY INTERNATIONAL INC | FB153783 | 2018-09-12 | Active | LOS ANGELES |
| KORNER GROCERIES, INC. | DB025556 | 1986-07-10 | Dissolved | PIERRE |
| KORNER KEG, INC. | DB032601 | 1993-01-26 | Dissolved | HILL CITY |
| KORNERSTONE ADMINISTRATIVE SERVICES, LLC | FL302274 | 2025-06-11 | Active | SALT LAKE CITY |
| Kornerstone Capital, LLC | DL199251 | 2021-03-23 | Active | White |
| KORNNUTS OF RAPID CITY, LLC | DL011431 | 2006-05-26 | Dissolved | RAPID CITY |
| Kornnuts Of Rapid City, LLC | DL286853 | 2024-11-12 | Active | Rapid City |
| Koroneiki LLC | DL333566 | 2026-07-14 | Active | New Braunfels |
| Koronis Capital Management, LLC | DL292152 | 2025-01-30 | Active | Sioux Falls |
| Korpi Lawn & Landscape, Inc. | FB154684 | 2018-10-03 | Revoked | Helena |
| Korre Builders, Inc. | DB057742 | 2013-04-22 | Active | Tea |
| Korre Properties LLC | DL129792 | 2017-01-19 | Active | Tea |
| Korre Steel & Trim, LLC | DL290074 | 2025-01-01 | Active | Harrisburg |
| KORSKIL TRAINING AND CONSULTING LLC | DL328650 | 2026-05-13 | Active | Belle Fourche |
| KORSTAD - TEBBEN, INC. | DB022830 | 1983-10-25 | Inactive | — |
| Korsten Arts, LLC | DL240491 | 2022-12-16 | Active | SIOUX FALLS |
| KORSUNSKY KRANK ERICKSON ARCHITECTS, INC. | FB006899 | 1979-12-21 | Revoked | MINNEAPOLIS |
| Kort Herman, D.M.D., P.C. | DB060742 | 2016-03-14 | Dissolved | LEAD |
| KORTAN IRRIGATION, LLC | DL022160 | 2010-08-16 | Active | Sioux Falls |
| KORTAN REAL ESTATE, INC. | DB057594 | 2013-02-25 | Dissolved | SIOUX FALLS |
| KORTAN-HATWAN AMERICAN LEGION POST #183, INC. | NS011515 | 2000-05-24 | Active | TABOR |
| KORTAN-HATWAN UNIT #183, AMERICAN LEGION AUXILIARY, TABOR, SOUTH DAKOTA | NS011485 | 2000-04-21 | Active | Tabor |
| KORTE CONSTRUCTION COMPANY | FB015185 | 1992-04-08 | Inactive | ST LOUIS |
| KORTE DESIGN, INC. | FB039028 | 2015-12-21 | Active | ST LOUIS |
| Korth Krew Konstruction LLC | DL146485 | 2018-04-05 | Dissolved | STURGIS |
| KORTH VIDEO, CORP. | DB050304 | 2005-11-09 | Dissolved | RAPID CITY |
| KORU DAIRY, LLC | FL006159 | 2012-02-28 | Inactive | ARDEN HILLS |
| Koru LLC | DL159508 | 2019-01-28 | Dissolved | League City |
| KORY DAVIS REAL ESTATE, LLC | DL007722 | 2004-08-04 | Inactive | SIOUX FALLS |
| KORY WYATT, LLC | DL027435 | 2012-03-05 | Active | RAPID CITY |
| Kory's Marketplace LLC | DL230661 | 2022-07-15 | Dissolved | Freeman |
| Korzan Capital Management LP | DP201673 | 2021-04-26 | Active | MITCHELL |
| Korzan Cattle LLC | DL257954 | 2023-09-01 | Active | Platte |
| Korzan Farm LLC | DL219166 | 2022-01-25 | Active | KIMBALL |
| Korzan Investments LLC | DL219170 | 2022-01-25 | Active | KIMBALL |
| KORZAN PROPERTIES, L.L.C. | DL004051 | 2001-09-11 | Dissolved | KIMBALL |
| Korzan Transports LLC | DL248479 | 2023-04-11 | Inactive | Kimball |
| Korzec Dairy Optimization LLC | DL191760 | 2020-11-24 | Dissolved | Sioux Falls |
| KOS CONCRETE, INC. | DB044936 | 2002-01-07 | Dissolved | GRENVILLE |
| KOS, INC. | FB291131 | 2025-01-15 | Revoked | SANTA BARBARA |
| KOSEE Homes LLC | DL149808 | 2018-06-18 | Active | Black Hawk |
| Kosel Barrel Horses, LLC | DL318034 | 2026-01-14 | Active | Glenham |
| Kosel Program & Event Management, L.L.C. | DL042444 | 2015-02-23 | Active | LEAD |
| KOSER ENTERPRISES, LLC | DL010778 | 2006-02-23 | Active | Rapid City |