| KLEIN'S HOUSE MOVING, INC. | DB049032 | 2004-12-20 | Active | GREGORY |
| KLEIN'S, INC. | DB010631 | 1971-06-25 | Dissolved | — |
| KLEIN-BERGER COMPANY | FB008512 | 1982-08-06 | Inactive | OAKES |
| KLEINBERG WISMER, LLP | DR001540 | 2013-02-20 | Dissolved | LAKE CITY |
| KLEINER, FIELDS AND BURTON, INC. | FB018366 | 1995-10-30 | Inactive | GLENDALE |
| KLEINFELDER CENTRAL, INC. | FB035309 | 2011-08-01 | Inactive | SAN DIEGO |
| KLEINFELDER CENTRAL, INC. | FB026733 | 2002-11-04 | Revoked | SAN DIEGO |
| KLEINFELDER, INC. | FB037476 | 2014-01-29 | Active | SAN DIEGO |
| KLEINFELDT TRUCKING INC | DB058927 | 2014-03-31 | Dissolved | RAPID CITY |
| Kleinhaus, LLC | DL167225 | 2019-07-12 | Dissolved | Brookings |
| KLEINJAN CHIROPRACTIC, L.L.C. | DL004152 | 2001-10-15 | Active | BROOKINGS |
| KLEINJAN FARMS, INC. | DF010484 | 1971-03-01 | Active | BRUCE |
| KLEINJAN GRAIN & LIVESTOCK, INC. | DF035154 | 1994-12-23 | Active | BRUCE |
| Kleins Renovation LLC | DL273279 | 2024-04-22 | Active | Sioux Falls |
| KLEINSASSER DRYWALL, INC. | DB057534 | 2013-02-01 | Active | GARRETSON |
| KLEINSASSER FARMS, LLC | DL035578 | 2013-10-23 | Active | HURON |
| KLEINSASSER HEATING AND COOLING, INC. | DB030482 | 1991-03-29 | Active | FREEMAN |
| KLEINSASSER TRUCKING, LLC | DL029441 | 2012-09-17 | Active | HURON |
| Kleinschmidt Family Land Limited Partnership | DP209355 | 2021-08-30 | Active | HARROLD |
| Kleinschmit Construction, LLC | DL133499 | 2017-05-17 | Active | Eureka |
| Kleinschmit Locker, LLC | DL177638 | 2020-02-20 | Active | Yankton |
| Kleinschmit Outdoors & Land Sales, LLC | DL211336 | 2021-09-30 | Active | Yankton |
| Kleinschmit Veterinary Services, LLC | DL158335 | 2019-01-03 | Active | Yankton |
| KLEMETSON ENTERPRISES, INC. | DB024596 | 1985-07-29 | Inactive | — |
| Klemme Family Investments, LLC | DL047153 | 2016-02-18 | Active | West Akron |
| Klemme Krew, LLC | DL288528 | 2024-12-09 | Active | Sioux Falls |
| KLENZ, LLC | DL011767 | 2006-07-24 | Dissolved | SIOUX FALLS |
| Klenzoid, Inc. | FB172830 | 2019-11-12 | Active | Conshohocken |
| Kleos Ventures LLC | DL298380 | 2025-04-21 | Suspended | Watertown |
| KLER POSITIVE CORPORATION | DB127755 | 2016-11-14 | Dissolved | SIOUX FALLS |
| KLEVE REAL ESTATE, INC. | FB030262 | 2006-01-04 | Active | Wayzata |
| KLEVEN BROADCASTING CO. | DB012091 | 1974-01-10 | Inactive | — |
| KLEVEN BROADCASTING CO. OF MINNESOTA | DB019131 | 1979-10-11 | Dissolved | STURGIS |
| KLEVEN COMMUNICATIONS COMPANY | DB020345 | 1981-01-15 | Dissolved | STURGIS |
| KLEW, LLC | DL225527 | 2022-04-22 | Active | North Mankato |
| KLEWIN CONSTRUCTION, INC. | FB036127 | 2012-07-25 | Inactive | WEST PALM BEACH |
| KLEYSEN, INC. | FB006777 | 1979-09-13 | Revoked | GRAND FORKS |
| KLEZ LLC | DL202307 | 2021-05-05 | Active | RAPID CITY |
| KLF ARBORISTS LLC | DL029851 | 2012-10-29 | Active | COLMAN |
| KLG INVESTMENTS LLC | DL154994 | 2018-10-10 | Dissolved | Spearfish |
| KLG PROPERTIES, LLC | DL018352 | 2009-02-25 | Active | VOLIN |
| KLH Consulting, LLC | DL273950 | 2024-04-29 | Active | Timber Lake |
| KLH Enterprises, LLC | DL272175 | 2024-04-04 | Active | Springfield |
| KLH HEALTH & PARTNERSHIPS-CHIP HARRIS LLC | DL161870 | 2019-03-18 | Dissolved | SPEARFISH |
| KLH TRANSPORTATION LTD. | DT000156 | 2007-12-17 | Inactive | — |
| KLHC, L.L.C. | DL012935 | 2007-01-10 | Dissolved | RAPID CITY |
| KLICAS DISTRIBUTING, INC. | DB019400 | 1980-01-10 | Inactive | — |
| KLICK'S, INC. (SIOUX FALLS) | DB011187 | 1972-07-12 | Inactive | — |
| KLIFF DWELLERS, INC. | DB057328 | 2012-12-04 | Dissolved | MITCHELL |
| Klima Properties LLC | DL290153 | 2025-01-02 | Dissolved | Sturgis |
| Klimisch Law, P.C. | DB059306 | 2014-08-06 | Active | YANKTON |
| Klimper Accounting Services & Consulting, LLC | DL232040 | 2022-08-04 | Active | Watertown |
| Klimple Inc | DB217697 | 2022-01-04 | Active | Estelline |
| Klimple Trucking LLC | DL145276 | 2018-03-13 | Active | Estelline |
| Kline Communications, LLC | DL175725 | 2020-01-13 | Dissolved | Rapid City |
| KLINE INCORPORATED | DB034011 | 1994-02-04 | Dissolved | BELLE FOURCHE |
| KLINE IRON & STEEL CO., INC. | FB004992 | 1975-05-16 | Revoked | COLUMBIA |
| Kline Street, LLP | DR157634 | 2018-12-17 | Active | ABERDEEN |
| Kline's Jewelry L.L.C. | DL036697 | 2013-12-30 | Inactive | Yankton |
| Kline's Rentals, LLC | DL155577 | 2018-10-25 | Inactive | PENSACOLA |
| Klinetobe trucking LLC | DL300320 | 2025-05-15 | Active | Sioux Falls |
| KLING & KJERSTAD INVESTMENTS, L.L.C. | DL001127 | 1997-02-07 | Active | Belle Fourche |
| KLING LLC | DL023912 | 2011-03-02 | Dissolved | SIOUX FALLS |
| KLINGBILE BUILDERS, INC. | DB052336 | 2007-05-07 | Dissolved | SIOUX FALLS |
| KLINGBILE CONSTRUCTION, INC. | DB048524 | 2004-07-19 | Inactive | — |
| KLINGE CORPORATION | FB303816 | 2025-07-03 | Active | DAVIDSON |
| KLINGER COMPANIES, INC. | FB000565 | 1956-05-17 | Inactive | SIOUX CITY |
| KLINGER PROPERTIES, INC. | FB005057 | 1975-07-28 | Active | SIOUX CITY |
| KLINGER/RANGEL JOINT VENTURE LLP | DR001041 | 2006-10-20 | Inactive | — |
| Klinghagen Fitness LLC | DL158310 | 2019-01-02 | Inactive | Tea |
| KLINGHAGEN STEEL BUILDINGS, LLP | DR000887 | 2005-02-14 | Revoked | — |
| Klingner & Associates, P.C. | FB295961 | 2025-03-20 | Active | Quincy |
| KLINGSPOR ABRASIVES, INC | FB038391 | 2015-02-23 | Active | HICKORY |
| KLINGSPOR PIPING SERVICES LLC | DL258299 | 2023-09-07 | Active | RAPID CITY |
| KLINK'S TRUCKING, INC. | DB020164 | 1980-11-13 | Dissolved | SIOUX FALLS |
| KLINKEL ENTERPRISES, INC. | DB036329 | 1995-10-12 | Inactive | — |
| Klinkel's III Bar & Grill, L.L.C. | DL189774 | 2020-10-21 | Active | DE SMET |
| Klinkhammer Brothers L.L.C | DL183809 | 2020-08-03 | Dissolved | Canistota |
| KLINKHAMMER CONSTRUCTION, INC. | DB060511 | 2015-12-08 | Dissolved | CANISTOTA |
| Klinkhammer Construction, LLC | DL048712 | 2016-05-31 | Active | CANISTOTA |
| Klinkhammer Properties L.L.C. | DL299819 | 2025-05-12 | Active | Canistota |
| Klinks Trucking Inc. | DB059536 | 2015-01-01 | Active | SIOUX FALLS |
| KLINT KINNEY CONSTRUCTION, L.L.C. | DL178980 | 2020-03-19 | Active | Huron |
| Klinzmann Fabrication LLC | DL194374 | 2021-01-09 | Active | Hot springs |
| Klipfel Family Real Estate LLLP | DP205589 | 2021-06-29 | Active | ABERDEEN |
| KLIPFEL FARMS, INC. | DF011481 | 1973-01-24 | Inactive | — |
| Klipper Ky LLC | DL321858 | 2026-02-25 | Active | Sioux Falls |
| KLIPPHAHN ELECTRONICS, INC. | FB025384 | 2001-08-03 | Revoked | LEBANON |
| Klironomia Holding's LLC | DL310296 | 2025-09-29 | Active | Sheridan |
| KLJ Engineering LLC | FL181399 | 2020-05-12 | Active | Bismarck |
| KLJ ENTERPRISES, INC. | DB039534 | 1998-01-12 | Active | RAPID CITY |
| KLJ FARMS, INC. | DF012139 | 1974-02-07 | Inactive | — |
| KLJ GREEN, LLC | DL025274 | 2011-07-25 | Active | PICKSTOWN |
| KLJ INVESTMENTS, LLC | DL027783 | 2012-04-06 | Active | SIOUX FALLS |
| KLJ SOLUTIONS CO. | FB025641 | 2001-10-30 | Revoked | BISMARCK |
| KLJ SOLUTIONS HOLDING CO. | FB256886 | 2023-08-17 | Active | Bismarck |
| KLK LLC | DL020615 | 2010-01-19 | Active | RAPID CITY |
| KLK Properties LLC | DL128302 | 2016-12-02 | Active | SPEARFISH |
| KLK VENTURE, L.L.C. | DL000985 | 1996-10-03 | Dissolved | SPEARFISH |
| KLK, INC. (KEYSTONE) | DB023522 | 1984-06-18 | Inactive | — |
| KLL Farms LLC | DL186337 | 2020-08-19 | Active | Gregory |
| KLL Investors, LLC | DL048338 | 2016-05-05 | Active | Spearfish |
| KLL, Inc. | DB059833 | 2015-02-17 | Active | Hayti |
| KLM ENGINEERING, INCORPORATED | FB133843 | 2017-05-30 | Active | Woodbury |
| KLM ENTERPRISES, LLC | DL018643 | 2009-04-06 | Dissolved | SIOUX FALLS |
| KLM EXCO, LLC | DL023882 | 2011-02-23 | Dissolved | belle fouche |
| KLM Legal Nurse LLC | DL251633 | 2023-05-25 | Active | STURGIS |
| KLM MARKETING, INC. | DB041164 | 1999-03-10 | Dissolved | ARLINGTON |
| KLM Properties, LLC | DL128909 | 2016-12-22 | Active | Hartford |
| KLM Services LLC | DL152306 | 2018-08-09 | Active | Brandon |
| KLM TRAVEL, INC. | DB057898 | 2013-07-03 | Active | RAPID CITY |
| KLM VENTURES, LLC | DL019506 | 2009-08-06 | Inactive | Rapid City |
| KLM, LLC | DL211013 | 2021-09-27 | Active | Sioux Falls |
| KLM10 LLC | DL323613 | 2026-03-17 | Active | SIOUX FALLS |
| KLN ENTERPRISES, INC. | FB026644 | 2002-10-01 | Revoked | PERHAM |
| KLN Properties of South Dakota, LLC | DL131500 | 2017-03-14 | Inactive | HADLEY |
| KLO RV14 LLC | DL162407 | 2019-03-28 | Active | Indianapolis |
| KLO Services, Inc | FB152565 | 2018-08-15 | Inactive | Sioux Falls |
| KLO Services, INC. | DB152260 | 2018-08-08 | Dissolved | Sioux Falls |
| KLO, LLC | DL215247 | 2021-11-29 | Dissolved | Sioux Falls |
| KLOCK WERKS OF SIOUX FALLS, L.L.C. | DL003412 | 2000-12-18 | Inactive | — |
| KLOCK'S GARAGE, LLC | DL029050 | 2012-08-08 | Active | MITCHELL |
| KLOCKER FURNITURE, INC. | DB007118 | 1968-01-19 | Dissolved | PIERRE |
| Klocker Investment Advisers, LLC | DL290096 | 2025-01-02 | Active | Sioux Falls |
| Klockman Kreations LLC | DL049771 | 2016-09-01 | Dissolved | SIOUX FALLS |
| KLOECKNER METALS CORPORATION | FB036262 | 2012-09-24 | Active | Alpharetta |
| KLOEFKORN-BALLARD CONSTRUCTION/DEVELOPMENT, INC. | FB012856 | 1989-07-21 | Inactive | CASPER |
| KLOGO GROUP, INC. | DB130968 | 2017-02-23 | Active | Sioux Falls |
| KLOHN LEONOFF, INC. | FB013989 | 1990-11-30 | Inactive | RICHMOND |
| Klondike 2900 Apartments, LLC | DL222330 | 2022-03-09 | Active | Hartford |
| Klondike Analytics LLC | DL210781 | 2021-09-22 | Active | Sioux Falls |
| KLONDIKE COUNTRY KENNELS, LLC | DL016401 | 2008-05-05 | Inactive | — |
| KLONDIKE FARMS LLC | DL026777 | 2012-01-05 | Dissolved | CANTON |
| Klondike Rentals LLC | DL278821 | 2024-07-15 | Active | SIOUX FALLS |
| Klondike Trail, LLC | DL132549 | 2017-04-14 | Active | RAPID CITY |
| Klondike, LLC | DL045516 | 2015-10-19 | Active | Sioux Falls |
| KLONTZ CONSULTING GROUP, LLC | DL010699 | 2006-02-10 | Inactive | NASHVILLE |
| KLONTZ-KAHLER INSTITUTE OF FINANCIAL INTEGRATION, L.L.C. | DL008581 | 2005-01-27 | Dissolved | RAPID CITY |
| Kloos Electric LLC | DL047654 | 2016-03-21 | Active | WATERTOWN |
| KLOOSTER PROPERTY, LLC | DL134139 | 2017-06-12 | Active | SIOUX FALLS |
| Klooster Tax & Accounting LLC | DL261448 | 2023-11-13 | Active | Tea |
| KLORIA PUBLISHING LLC | DL022139 | 2010-08-12 | Inactive | SIOUX FALLS |
| Klos Digital LLC | DL312760 | 2026-01-01 | Active | Brandon |
| KLOSET KARISMA, LLP | DR001397 | 2011-04-06 | Inactive | SIOUX FALLS |
| Kloss Development, LLC | DL200059 | 2021-04-02 | Active | LAS VEGAS |
| Kloss Land, LLC | DL243456 | 2023-02-01 | Active | Las Vegas |
| Kloss Ranch, LLP | DR200710 | 2021-04-12 | Dissolved | LAS VEGAS |
| KLOSTER-SPICER-ENGH, INC. | FB003905 | 1971-11-05 | Inactive | GRAND FORKS |
| Klostergaard Family Farms, Inc. | DB316280 | 2026-01-01 | Active | Beresford |
| KLOSTERMAN ENTERPRISES, LLC | DL026870 | 2012-01-12 | Active | BRANDON |
| Klosterman Management Group, LLC | DL175020 | 2019-12-29 | Dissolved | Brandon |
| KLOTH STABLES, INC. | DB038029 | 1996-12-30 | Active | Sioux Falls |
| KLOTH, LLC | DL140880 | 2017-12-11 | Active | Brandon |
| Kloucek Electric, LLC | DL232917 | 2022-08-19 | Active | Tabor |
| KLOUCEK FARMS, LLC | DL171728 | 2019-10-16 | Active | Scotland |
| Kloud 9, LLC | DL200311 | 2021-04-06 | Active | MITCHELL |
| KLOUD EIGHT LLC | DL257920 | 2023-09-01 | Active | SIOUX FALLS |
| Klowd 9 LLC | DL277296 | 2024-06-19 | Dissolved | Groton |
| Kloz Enterprises LLC | DL131883 | 2017-03-27 | Inactive | HURON |
| KLP LIVESTOCK, LLC | DL028130 | 2012-05-09 | Dissolved | SIOUX FALLS |
| KLPG, LLC | DL280488 | 2024-08-06 | Active | YANKTON |
| KLQ, LLC | DL033368 | 2013-08-05 | Dissolved | WELLAND |
| KLR BUSINESS PARTNERS, LLC | DL021708 | 2010-06-11 | Dissolved | SIOUX FALLS |
| KLR ROUGH CUTS, LLC | DL198627 | 2021-03-15 | Active | Baltic |
| KLR Technology Limited Liability Company | FL203778 | 2021-05-27 | Active | NEW YORK |
| KLRBJ, LLC | DL035557 | 2013-11-01 | Active | BELLE FOURCHE |
| KLS Enterprises, LLC | DL171626 | 2019-10-15 | Dissolved | BOX ELDER |
| KLS Innovations, Inc. | DB240932 | 2022-12-26 | Active | Roscoe |
| KLS Properties LLC | DL207120 | 2021-07-25 | Active | Hartford |
| KLS TIMBER HARVESTING, LLC | DL021551 | 2010-05-20 | Dissolved | SPEARFISH |
| KLS VENTURES, LLC | DL022031 | 2010-07-27 | Dissolved | RAPID CITY |
| KLS, INC. | DB026627 | 1987-08-13 | Inactive | — |
| KLS, LLC | DL013132 | 2007-02-05 | Active | STURGIS |
| KLSK, LLC | DL146940 | 2018-04-16 | Active | FORT PIERRE |
| KLSW Creative Concepts, LLC | DL047627 | 2016-03-21 | Dissolved | WATERTOWN |
| KLT Bookkeeping, LLC | DL049907 | 2016-09-12 | Inactive | Kimball |
| KLT FARMS, LLC | DL033306 | 2013-07-30 | Active | KENNEBEC |
| KLUCK KORP., LTD. | DB035367 | 1995-02-01 | Inactive | — |
| KLUCK THERAPY CENTER, INC. | DB048097 | 2004-04-01 | Inactive | — |
| KLUCK, INC. | DB051419 | 2006-08-07 | Active | HARTFORD |
| Kluckman Family Limited Liability Partnership | DR150394 | 2018-06-27 | Active | WATERTOWN |
| KLUDT CONSTRUCTION, LLC | DL024981 | 2011-06-20 | Dissolved | LESTERVILLE |
| Kludt Enterprises, LLC | DL141551 | 2017-12-27 | Active | Menno |
| Kludt Family Properties LLP | DR186276 | 2020-08-19 | Active | BRANDON |
| Kludt Kustom Enterprises LLC | DL038007 | 2014-03-24 | Inactive | Vermillion |
| KLUEBER ENTERPRISES, LLC | DL022460 | 2010-09-20 | Dissolved | SIOUX FALLS |
| KLUEBER, LLP | DR252708 | 2023-06-12 | Active | Fort Collins |
| KLUG'S PLUMBING, HEATING AND AIR CONDITIONING, INC. | DB020638 | 1981-05-11 | Inactive | — |
| Kluge Brothers Flooring Inc | FB244058 | 2023-02-09 | Active | Brighton |
| Klumb Analytics LLC | DL159927 | 2019-02-04 | Inactive | Dubuque |
| KLUMB FAMILY LIMITED PARTNERSHIP | DP002472 | 2012-12-14 | Active | ETHAN |
| Klumb Farms, LLC | DL157558 | 2018-12-14 | Active | Mt. Vernon |
| KLUMB MANAGEMENT COMPANY, LLC | DL030270 | 2012-12-05 | Active | ETHAN |
| Klumb Spraying, LLC | DL325803 | 2026-04-10 | Active | Ethan |
| KLUNDT OIL L.L.C. | DL000666 | 1995-12-28 | Active | WINNER |
| Klundt Properties, LLC | DL183421 | 2020-06-22 | Active | Winner |
| KLUNDT-SCHAEFFER PROPANE, L.L.C. | DL008096 | 2004-10-22 | Dissolved | — |
| Klutch Hoops, LLC | DL328001 | 2026-05-06 | Active | Sisseton |
| Klutch LLC | DL195350 | 2021-01-25 | Active | Sioux Falls |
| KLUTE, INC. | DB053055 | 2007-12-21 | Active | YORK |