| K.L.P.I., LLC | DL009727 | 2005-08-24 | Active | CHAMBERLAIN |
| K.M. DAKOTA CORP. | DB030706 | 1991-05-30 | Inactive | — |
| K.M.D., INCORPORATED | NS007410 | 1982-07-01 | Inactive | — |
| K.M.W. HOLDINGS, LLC | DL019851 | 2009-09-29 | Dissolved | GILBERT |
| K.M.W. MANAGEMENT, LLC | DL019847 | 2009-09-29 | Dissolved | GILBERT |
| K.Marie LLC | DL198199 | 2021-03-08 | Dissolved | Ipswich |
| K.Moss Planning & Consulting, LLC | DL170915 | 2019-09-30 | Active | SIOUX FALLS |
| K.O. LEE COMPANY | DB000355 | 1921-03-24 | Dissolved | PITTSFORD |
| K.P. DIESEL SERVICE, INC. | DB032769 | 1993-03-09 | Dissolved | — |
| K.R. GOLSAN, INC. | FB034539 | 2010-08-05 | Active | LAKE OSWEGO |
| K.S.D.S.D. INSURANCE, INC. | DB026748 | 1987-09-29 | Active | RAPID CITY |
| K.S.K. ENTERPRISES, INC. | DB027860 | 1988-11-17 | Inactive | — |
| K.T., LLC | DL004166 | 2001-10-22 | Inactive | — |
| K.U., INC. | DB040411 | 1998-08-17 | Dissolved | WATERTOWN |
| K.V.L. INC. | DB025877 | 1986-11-26 | Inactive | — |
| K.V.L., INC. | DB030079 | 1990-12-24 | Inactive | — |
| K.V.S.S., LLC | DL212543 | 2021-10-18 | Active | Gig Harbor |
| K.W. BROWN, INC. | DF029815 | 1990-09-07 | Active | GETTYSBURG |
| K.W. CONSTRUCTION, LLC | DL028406 | 2012-06-06 | Dissolved | GROTON |
| K/D CONSTRUCTION, L.L.C. | DL001234 | 1997-05-07 | Inactive | — |
| K/O RANCHES, INC. | DF013100 | 1975-09-15 | Dissolved | — |
| K/O, INC. | DB033431 | 1993-09-21 | Inactive | — |
| K/R Boe Rentals, LLC | DL260072 | 2023-10-04 | Dissolved | Lennox |
| K/R SPREADING, INC. | DB051349 | 2006-07-18 | Inactive | WATERTOWN |
| K/S Ranch, LLP | DR278117 | 2024-07-01 | Active | CUSTER |
| K/WT DISTRIBUTING, INC. | DB042977 | 2000-06-29 | Inactive | — |
| K0TGA, LLC | DL266861 | 2024-01-22 | Active | Flandreau |
| K1 CONSTRUCTION, INC. | DB045645 | 2002-07-01 | Active | Rapid City |
| K1 Labs LLC | DL215735 | 2021-12-06 | Active | Denver |
| K1 Mechanical Inc. | DB154732 | 2018-10-04 | Active | Watertown |
| K1 RENTALS, L.L.C. | DL004880 | 2002-07-01 | Active | Rapid City |
| K1 Solutions LLC | DL309226 | 2025-09-14 | Active | Watertown |
| K13 Inc. | DB060864 | 2016-05-06 | Active | JONESBORO |
| K2 Automotive Sales & Service, Inc. | DB177899 | 2020-02-25 | Dissolved | Brookings |
| K2 Cattle LLC | FL188192 | 2020-09-24 | Active | Sioux Center |
| K2 Claims Services LLC | FL043660 | 2015-07-27 | Active | Harrisburg |
| K2 Construction LLC | DL293017 | 2025-02-11 | Active | Spearfish |
| K2 CONTRACTING, LLC | FL043666 | 2015-07-30 | Revoked | ROSWELL |
| K2 Cycling Studio, LLC | DL173650 | 2019-12-01 | Active | Winner |
| K2 ENTERPRISES INC. | DB037176 | 1996-05-06 | Inactive | — |
| K2 Enterprises, LLC | DL140430 | 2017-11-30 | Active | Rapid City |
| K2 FAIRBANKS, LLC | DL015624 | 2008-01-23 | Active | ABERDEEN |
| K2 FARMS INC. | DF045395 | 2002-05-01 | Active | CHESTER |
| K2 Health and Wellness LLC | DL286909 | 2024-11-12 | Active | Sioux Falls |
| K2 Holdings, LLC | DL176469 | 2020-01-28 | Active | Yankton |
| K2 Inc. | DB161422 | 2019-03-07 | Dissolved | Vermillion |
| K2 Investments, LLC | DL270122 | 2024-03-06 | Active | Rapid City |
| K2 MARKETING, LLC | DL037899 | 2014-03-18 | Inactive | PIERRE |
| K2 MASONRY & CONCRETE, INC. | DB046738 | 2003-04-15 | Active | Custer |
| K2 MEDIA, LLC | DL011031 | 2006-04-03 | Inactive | — |
| K2 Peptide Clinics, PLLC | DL328747 | 2026-05-14 | Active | Lincoln |
| K2 POCATELLO, L.L.C. | DL008741 | 2005-02-25 | Active | ABERDEEN |
| K2 PROPERTIES, L.L.C. | DL007137 | 2004-03-31 | Inactive | — |
| K2 Properties, LLC | DL199387 | 2021-03-25 | Dissolved | Madison |
| K2 Property Services, L.L.C. | DL164440 | 2019-05-10 | Dissolved | Spearfish |
| K2 REAL ESTATE DEVELOPMENT, LLC | FL006321 | 2012-05-21 | Revoked | LINCOLN |
| K2 SETTLEMENT, LLC | FL004569 | 2009-05-13 | Inactive | PLYMOUTH MEETING |
| K2 Solutions LLC | DL309225 | 2025-09-14 | Active | Watertown |
| K2 Towers II, LLC | FL185664 | 2020-08-06 | Active | Chagrin Falls |
| K2 Towers II, LLC | FL158657 | 2019-01-09 | Revoked | Chagrin Falls |
| K2 TOWERS III, LLC | FL222282 | 2022-03-08 | Active | Chagrin Falls |
| K2 VENTURES LLC | DL014432 | 2007-08-06 | Dissolved | — |
| K2 Ventures, LLC | DL036596 | 2013-12-26 | Active | SIOUX FALLS |
| K2B2 Investments, LLC | DL156607 | 2018-11-20 | Active | Sturgis |
| K2M DESIGN, INC. | FB039476 | 2016-08-01 | Active | Cleveland |
| K2M, INC. | FB032213 | 2007-11-30 | Revoked | Leesburg |
| K2R Getaway, LLC | DL206795 | 2021-07-20 | Active | Brookings |
| K2R LLP | DR001715 | 2015-03-27 | Active | Aberdeen |
| K2S ENGINEERING INC. | FB027285 | 2003-05-02 | Active | Ypsilanti |
| K2S2, LLC | DL029148 | 2012-08-20 | Dissolved | Rapid City |
| K2Studio LLC | DL217509 | 2021-12-30 | Active | SPEARFISH |
| K2TR Family Holdings 1, Corp. | DB157091 | 2018-12-04 | Active | Urbana |
| K2TR Family Holdings 2, Corp. | DB157093 | 2018-12-04 | Active | URBANA |
| K2TR Family Holdings 3, Corp. | DB157086 | 2018-12-04 | Active | Urbana |
| K2TR Holdings 1, Corp. | DB157095 | 2018-12-04 | Active | Urbana |
| K2TR Holdings 2, Corp. | DB157099 | 2018-12-04 | Active | Urbana |
| K2TR Holdings X, Corp. | DB157621 | 2018-12-17 | Active | Urbana |
| K2TR Holdings Y, Corp. | DB157622 | 2018-12-17 | Active | Urbana |
| K3 Gainesville, LLC | DL045072 | 2015-09-10 | Active | ABERDEEN |
| K3 Missoula, LLC | DL215420 | 2021-12-01 | Active | Aberdeen |
| K3 Pocatello, LLC | DL145808 | 2018-03-23 | Active | ABERDEEN |
| K3 Spring LLC | DL048602 | 2016-05-23 | Active | Rapid City |
| K3 Trucking LLC | DL286545 | 2024-11-06 | Active | HITCHCOCK |
| K3, LLP | DR000757 | 2003-10-10 | Active | ABERDEEN |
| K4 South Dakota LLC | DL321800 | 2026-02-25 | Active | Pierre |
| K4, LLC | DL022127 | 2010-08-11 | Dissolved | SIOUX FALLS |
| K5enterprises LLC | DL036790 | 2014-01-06 | Inactive | SIOUX FALLS |
| K6 Investments, LLC | DL271049 | 2024-03-19 | Active | SIOUX FALLS |
| K6 LLC | DL029648 | 2012-10-09 | Dissolved | ALPENA |
| K7 Digital Group LLC | DL261306 | 2023-10-24 | Inactive | AUSTIN |
| K9 AND EQUINE WELLNESS INC | NS265494 | 2024-01-02 | Dissolved | BROOKINGS |
| K9 Bed Bug Detective, Inc. | DB058944 | 2014-04-03 | Dissolved | SIOUX FALLS |
| K9 Cardio LLC | DL232278 | 2022-08-09 | Inactive | Sioux Falls |
| K9 Corner LLC | DL227947 | 2022-05-30 | Active | Brookings |
| K9 DESIGN, INC. | DB056768 | 2012-03-21 | Dissolved | SIOUX FALLS |
| K9 Help You LLC | DL177915 | 2020-02-26 | Dissolved | Lyons |
| K9 Tactics LLC | DL289738 | 2024-12-27 | Active | Rapid City |
| KA CENTER, INC. | DB045222 | 2002-03-15 | Dissolved | BLUNT |
| KA COMPUTING SERVICES, INC. | DB205842 | 2021-07-02 | Dissolved | SIOUX FALLS |
| KA Farms, LLC | DL290020 | 2025-01-01 | Active | Gettysburg |
| KA HUGHES, LLC | DL250189 | 2023-05-05 | Active | GROTON |
| KA LLC | DL169106 | 2019-08-21 | Dissolved | Sioux Falls |
| KA Painting LLC | DL273732 | 2024-04-26 | Dissolved | Agar |
| KA PROPERTIES, LLC | DL022545 | 2010-10-04 | Active | SIOUX FALLS |
| KA Roofing LLC | DL237924 | 2022-11-03 | Dissolved | Sioux City |
| KA WYLY FAMILY LAND LIMITED PARTNERSHIP | DP278498 | 2024-07-08 | Active | FORT PIERRE |
| KA-CHING KA-CHING, INC. | DB056212 | 2011-06-24 | Dissolved | YANKTON |
| KA-DI, INC. (YANKTON) | DB023234 | 1984-03-13 | Dissolved | — |
| KA-DO ENTERPRISES, INC. | DB030396 | 1991-03-11 | Inactive | — |
| KA-MACH II Holdings, LLC | DL210765 | 2021-09-22 | Active | Pierre |
| KA-MO ENTERPRISES, INC. | DB026294 | 1987-04-15 | Inactive | — |
| KA-VAN FARMS LIMITED PARTNERSHIP | FP000109 | 1990-12-31 | Inactive | CORTEX |
| KAA Trucking, L.L.C. | DL322336 | 2026-03-03 | Active | Dakota Dunes |
| KAALI HOSPITALITY LLC | DL032493 | 2013-05-17 | Active | BERESFORD |
| KAARDAL & LEONARD, L.L.P. | DR000562 | 2001-06-07 | Revoked | — |
| KAARDAL AND ASSOCIATES, PC | DB035766 | 1995-04-28 | Dissolved | SIOUX FALLS |
| KAARDAL RESTAURANT COMPANY, LLC | DL005770 | 2003-04-17 | Inactive | — |
| Kaas Solutions LLC | DL292545 | 2025-02-05 | Active | Hartford |
| Kaas Wilson Architects, LLC | FL195616 | 2021-01-28 | Active | Bloomington |
| Kaas Wilson Architects, LLC | FL133328 | 2017-05-10 | Revoked | BLOOMINGTON |
| KAB Bookkeeping LLC | DL212824 | 2021-10-21 | Inactive | Viborg |
| KAB COMPANY | DB044318 | 2001-07-10 | Inactive | — |
| KAB FAMILY INVESTMENT LLC | DL238849 | 2022-11-17 | Active | CHICAGO |
| KAB Holdings, LLC | DL045185 | 2015-09-21 | Active | TEA |
| KAB INVESTMENTS, LLC | DL041723 | 2014-12-29 | Active | SIOUX FALLS |
| KAB LLC | DL251238 | 2023-05-20 | Dissolved | Parkston |
| KAB Music, LLC | DL218843 | 2022-01-19 | Inactive | Sioux Falls |
| KAB Properties, LLC | DL149729 | 2018-06-15 | Dissolved | ONIDA |
| KAB Ventures, LLC | DL128931 | 2016-12-22 | Active | Fort Pierre |
| KAB, LLC | DL024188 | 2011-03-24 | Dissolved | LENNOX |
| KABA ILCO INC. | FB031549 | 2007-04-10 | Revoked | MONTREAL |
| Kaba Transport LLC | DL198369 | 2021-03-11 | Dissolved | Sioux Falls |
| KABAB KING RESTAURANT & SUPERMARKET LLC | DL198813 | 2021-04-01 | Inactive | SIOUX FALLS |
| KABAFUSION CO, LLC | FL327239 | 2026-04-28 | Active | CERRITOS |
| KABAK PROPERTIES LIMITED PARTNERSHIP | DP001452 | 2003-06-25 | Active | — |
| KABAMESA, LLP | DR000652 | 2002-07-25 | Active | Sunny Isles Beach |
| KABBAGE, INC. | FB039000 | 2015-12-02 | Inactive | Atlanta |
| KABEISEMAN AND CO., PC | DB056462 | 2011-11-28 | Active | YANKTON |
| KABEISEMAN BATCHELLER & COMPANY, P.C. | DB027340 | 1988-05-04 | Inactive | — |
| KABEISEMAN RENTALS, INC. | DB037968 | 1996-12-19 | Active | YANKTON |
| KABERNA INSURANCE, INC. | DB043500 | 2000-12-15 | Active | WAGNER |
| Kabi Holding LLC | DL143522 | 2018-02-05 | Active | Sioux Falls |
| Kabi Investments LLC | DL179269 | 2020-03-27 | Active | Sioux Falls |
| Kabinn LLC | DL220353 | 2022-02-10 | Active | Crooks |
| KABO LLC | DL284038 | 2024-09-29 | Active | Pierre |
| Kaboom Properties LLC | DL210443 | 2021-09-17 | Active | Aberdeen |
| KABOOM Protective Services Inc | DB146195 | 2018-03-30 | Dissolved | Sioux Falls |
| KABOOM SPORTING CLAYS, INC. | DB045951 | 2002-10-04 | Inactive | — |
| KABOOM, INC. | DB038729 | 1997-06-24 | Inactive | — |
| KAC INC. | DB030909 | 1991-08-28 | Inactive | — |
| KAC Properties, LLC | DL046052 | 2015-12-04 | Active | YANKTON |
| KaCa LLC | DL173666 | 2019-12-02 | Active | SIOUX FALLS |
| KACC MEDICAL, LLC | DL317196 | 2026-01-05 | Active | VERMILION |
| KACENA COMPANIES, L.L.C. | DL019144 | 2009-06-12 | Dissolved | SIOUX FALLS |
| Kacey's Natural Creations, LLC | DL300201 | 2025-05-13 | Active | Rapid City |
| KaCHOW, LLC | DL167878 | 2019-07-26 | Inactive | Whitewood |
| KACI Brands LLC | DL211068 | 2021-09-27 | Inactive | Sturgis |
| KACI Properties LLC | DL211074 | 2021-09-27 | Inactive | Sturgis |
| Kack Books LLC | DL150859 | 2018-07-10 | Inactive | Spearfish |
| Kackman Enterprises, Inc. | DB128022 | 2016-11-21 | Dissolved | IPSWICH |
| KACLD 08021001, LLC | DL208373 | 2021-08-16 | Active | PIERRE |
| KACLD 08021002, LLC | DL208992 | 2021-08-25 | Active | Pierre |
| Kaco LLC | FL234095 | 2022-09-06 | Active | Fargo |
| KACO TECHNOLOGIES, LLC | DL017732 | 2008-11-14 | Inactive | YANKTON |
| KaCo's Little Shop LLC | DL268020 | 2024-02-07 | Active | Sisseton |
| KACZOR FEED LLC | DL191138 | 2020-11-12 | Active | LAKE ANDES |
| KAD HOLDINGS, LLC | DL043325 | 2015-04-21 | Active | SIOUX FALLS |
| KAD Properties LLC | DL186071 | 2020-08-14 | Inactive | RAPID CITY |
| KAD REALTY, INC. | DB052662 | 2007-08-14 | Active | RAPID CITY |
| KAD'S INVESTMENT CORPORATION | DB033509 | 1993-10-08 | Dissolved | GRANTSBURG |
| KAD, LLC | DL040476 | 2014-10-01 | Inactive | RAPID CITY |
| KADA CAPITAL II, LLC | DL155527 | 2018-10-24 | Dissolved | Rapid City |
| KADA CAPITAL LLC | DL049574 | 2016-08-12 | Dissolved | Rapid City |
| KADA, LLC | DL185141 | 2020-07-28 | Active | Sioux Falls |
| KADALE INC. | DB055472 | 2010-07-08 | Dissolved | SIOUX FALLS |
| KADAR, INC. (CHAMBERLAIN) | DB014206 | 1977-03-16 | Dissolved | — |
| Kadash LLC | DL295737 | 2025-03-17 | Active | Watertown |
| KADAW, LLC | DL133706 | 2017-05-24 | Active | Tyndall |
| KADB, LLC | DL017793 | 2008-11-25 | Active | ABERDEEN |
| Kade Welfl Real Estate, LLC | DL131400 | 2017-03-09 | Active | SPEARFISH |
| KADEEDMClb Center LLC | DL279884 | 2024-07-28 | Dissolved | Deadwood |
| Kaden Hight Irrigation LLC | DL329041 | 2026-05-18 | Active | Pierre |
| Kadence + Cole Photo and Films LLC | DL196227 | 2021-02-06 | Inactive | Sioux Falls |
| Kadence LLC | DL236316 | 2022-10-07 | Dissolved | Sioux Falls |
| KADI PORK, LLC | DL028346 | 2012-05-31 | Dissolved | HUDSON |
| Kadiddlehopper, LLC | DL171031 | 2019-10-02 | Active | Sioux Falls |
| KadiDids cleaning service llc | DL236369 | 2022-10-31 | Dissolved | Rapid City |
| KADING, KUNSTLE & GOODHOPE, LLP | DR000348 | 1999-02-04 | Active | SIOUX FALLS |
| KADIROV Trucking, LLC | DL046412 | 2015-12-24 | Inactive | ARNOLD |
| Kadiza Investments, LLC | DL205557 | 2021-06-29 | Active | Missouri Valley |
| KADLEC INC. P.C. | DB052987 | 2007-12-10 | Active | Ipswich |
| Kadlec Sales & Repair, LLC | DL274116 | 2024-05-01 | Active | IPSWICH |
| Kadoka Ambulance Service | NS160605 | 2019-02-19 | Active | KADOKA |
| Kadoka Bible Church | CH001562 | 1907-10-07 | Active | KADOKA |
| KADOKA BUFFALO STAMPEDE, INC. | NS005396 | 1973-09-07 | Inactive | — |
| KADOKA CALVARY-FAIRVIEW CEMETERY ASSOCIATION | NS007428 | 1982-08-18 | Active | KADOKA |
| KADOKA EQUITY UNION EXCHANGE | CO000291 | 1919-09-06 | Inactive | — |
| KADOKA GAS & GO INC. | DB047311 | 2003-09-05 | Active | KADOKA |
| Kadoka Gateway LLC | DL248139 | 2023-04-05 | Active | KADOKA |
| KADOKA GOLF CLUB, INC. | NS010421 | 1995-10-17 | Inactive | — |