| KNECHT FARMS, INC. | DF012103 | 1974-01-23 | Active | HOUGHTON |
| KNECHT HOME CENTER OF PIERRE REAL ESTATE, LLC | DL022322 | 2010-09-02 | Inactive | RAPID CITY |
| KNECHT HOME CENTER OF PIERRE, LLC | DL022321 | 2010-09-02 | Inactive | RAPID CITY |
| KNECHT HOME CENTER OF RAPID CITY REAL ESTATE, LLC | DL005712 | 2003-04-01 | Inactive | RAPID CITY |
| KNECHT HOME CENTER OF RAPID CITY, LLC | DL005715 | 2003-04-01 | Inactive | RAPID CITY |
| KNECHT HOME CENTER OF SPEARFISH REAL ESTATE, LLC | DL005713 | 2003-04-01 | Inactive | SPEARFISH |
| KNECHT HOME CENTER OF SPEARFISH, LLC | DL005711 | 2003-04-01 | Inactive | SPEARFISH |
| KNECHT HOME CENTER, INC. | DB025890 | 1986-12-05 | Inactive | — |
| KNECHT INSTALLED SALES, LLC | DL013929 | 2007-05-17 | Inactive | RAPID CITY |
| KNECHT LAW, P.C. | DB056569 | 2012-01-03 | Dissolved | SIOUX FALLS |
| Knecht Robinson Law, P.C. | DB057619 | 2013-03-04 | Dissolved | YANKTON |
| KNECHT TRUCKING, LLC | DL046447 | 2015-12-29 | Dissolved | PIEDMONT |
| Knecht, LLC | DL005709 | 2003-04-01 | Inactive | RAPID CITY |
| KNect365 US, Inc. | FB262360 | 2023-11-10 | Inactive | New York |
| KNEE DEEP BBQ, LLC | DL277828 | 2024-06-27 | Active | Kimball |
| Knee Deep Cattle Company LLC | DL268739 | 2024-02-16 | Active | Box Elder |
| KNEE GT INVESTMENTS LLC | DL272289 | 2024-04-05 | Active | SANTA MONICA |
| Knee High Ranch, LLC | DL226626 | 2022-05-09 | Dissolved | Lennox |
| Kneeland Construction LLC | DL300030 | 2025-05-12 | Inactive | Watertown |
| KNEELAND CONSTRUCTION, LLC | DL015283 | 2007-12-14 | Inactive | WATERTOWN |
| Kneeland Enterprises LLC | DL168423 | 2019-08-07 | Dissolved | Watertown |
| Kneeland Farms, LLC | DL297426 | 2025-04-08 | Active | Summit |
| KNEIFL ELECTRIC, INC. | DB294999 | 2025-03-07 | Active | NORTH SIOUX CITY |
| Kneifl Kreative, LLC | DL274856 | 2024-05-13 | Active | Yankton |
| KNEIFL PROPERTIES, LLC | DL033365 | 2013-08-05 | Active | YANKTON |
| Kneifl Tymber, LLC | DL197481 | 2021-02-26 | Active | Yankton |
| Kneifl Wholesale Electric, LLC | DL202618 | 2021-05-10 | Inactive | North Sioux City |
| KNEIP CHRYSLER CENTER, INC. | DB033711 | 1993-12-13 | Inactive | — |
| Kneip Consulting, LLC | DL165146 | 2019-05-24 | Dissolved | Sioux Falls |
| KNEIP ENGINEERING, INC. | DB055314 | 2010-04-30 | Dissolved | SIOUX FALLS |
| KNEIP GMC, INC. | DB042183 | 1999-12-20 | Inactive | — |
| KNEIP IMPLEMENT COMPANY, INC. | DB006653 | 1956-11-30 | Dissolved | ARLINGTON |
| Kneip Insurance, LLC | DL208096 | 2021-08-10 | Active | Brookings |
| KNEIP RESTAURANTS, INC. | DB041818 | 1999-09-07 | Active | SIOUX FALLS |
| Kneip Trucking LLC | DL290466 | 2025-01-07 | Dissolved | AURORA |
| KNEIP'S OF WATERTOWN, INC. | DB043163 | 2000-08-25 | Inactive | — |
| KNEIP-MEYER INC. | DB020757 | 1981-06-29 | Inactive | — |
| KNELLY PROPERTIES, LLC | DL010650 | 2006-02-02 | Dissolved | SIOUX FALLS |
| KnewRecruit LLC | DL044799 | 2015-08-20 | Dissolved | RAPID CITY |
| KNF, INC. | FB016779 | 1994-03-16 | Revoked | SUPERIOR |
| KNF, LLC | DL287566 | 2024-11-21 | Active | Harrisburg |
| KNG AMERICA, INC. | DB059581 | 2014-11-25 | Dissolved | RAPID CITY |
| KNG Custom Built LLC | DL249396 | 2023-04-25 | Active | SD |
| KNH, INC. | DB035254 | 1995-01-06 | Inactive | — |
| KNICKERBOCKER ICE COMPANY | 18970003D | 1897-09-20 | Canceled | — |
| Knife Chief Buffalo Nation Society | NS127873 | 2016-11-15 | Active | Porcupine |
| KNIFE CHIEF COMMUNITY BUFFALO PROJECT | NS012077 | 2002-08-05 | Inactive | — |
| KNIFE CHIEF COMMUNITY RESIDENT ORGANIZATION, INC. | NS011538 | 2000-06-19 | Inactive | — |
| Knife Creek Ranch LLC | DL291930 | 2025-01-27 | Active | Faith |
| Knife Depot USA LLC | DL193124 | 2020-12-17 | Inactive | Rapid City |
| KNIFE HORSE TECHNOLOGIES, LLC | DL280557 | 2024-08-07 | Active | ROSEBUD |
| KNIFE RIVER CORPORATION - NORTH CENTRAL | FB027346 | 2003-05-28 | Active | SAUK RAPIDS |
| KNIFE RIVER MIDWEST, LLC | FL001868 | 2004-01-28 | Active | SIOUX CITY |
| Knifeworx, LLC | DL139257 | 2017-11-01 | Active | Rapid City |
| KNIFFEN AND CHESLEY, L.L.C. | DL005117 | 2002-10-04 | Dissolved | — |
| KNIGGE CO, LLC | DL014164 | 2007-06-28 | Active | Sioux Falls |
| KNIGGE COMPANIES, L.L.C. | DL019410 | 2009-07-22 | Inactive | SIOUX FALLS |
| KNIGGE ENTERPRISES, INC. | DB035571 | 1995-03-20 | Inactive | — |
| KNIGHT & CARVER COMPOSITES GROUP, LLC | DL012217 | 2006-10-02 | Inactive | CUPERTINO |
| KNIGHT & CARVER WIND GROUP, INC. | FB032266 | 2007-12-20 | Revoked | NATIONAL CITY |
| KNIGHT AIR COMPANY, INC. | DB025509 | 1986-06-23 | Inactive | — |
| Knight And Day Construction LLC | DL187378 | 2020-09-08 | Dissolved | Rapid City |
| KNIGHT AUTO SALES CO., INC. | 19660126D | 1966-08-04 | Suspended | — |
| Knight Commercial Roofing, LLC | FL187538 | 2020-09-11 | Revoked | Addison |
| Knight Commercial Roofing, LLC | FL230155 | 2022-07-07 | Active | ADDISON |
| KNIGHT CONST. & SUPPLY, INC. | FB128478 | 2016-12-06 | Inactive | DEER PARK |
| KNIGHT CONSTRUCTION COMPANY, INCORPORATED | DB003313 | 1963-08-19 | Active | WEBSTER |
| Knight Construction Services, LLC | DL128634 | 2016-12-14 | Active | Aberdeen |
| KNIGHT CONSTRUCTION, L.L.C. | DL007255 | 2004-04-26 | Inactive | — |
| Knight Contracting LLC | DL287017 | 2024-11-13 | Dissolved | Watertown |
| KNIGHT COTTAGE INC. | 19560079D | 1956-10-03 | Active | — |
| KNIGHT COVELL VENTURES LIMITED PARTNERSHIP | DP000383 | 1994-02-23 | Active | — |
| Knight Division Tactical LLC | FL316006 | 2025-12-18 | Active | Sheridan |
| KNIGHT DULUTH VENTURES LIMITED PARTNERSHIP | DP000411 | 1994-08-11 | Active | — |
| KNIGHT ENERGY HOLDINGS, LLC | FL006786 | 2013-03-13 | Revoked | LAFAYETTE |
| KNIGHT ENTERPRISES, INC. | DB007713 | 1968-08-06 | Active | RAPID CITY |
| KNIGHT EXPRESS, L.L.C. | DL007256 | 2004-04-26 | Inactive | — |
| Knight Financial Partners, LLC | DL045144 | 2015-09-16 | Active | SILVERADO |
| KNIGHT IN SHINING ARMOUR COMPUTER SERVICE, LLC | DL015875 | 2008-02-25 | Dissolved | HOT SPRINGS |
| KNIGHT JV, LLC | FL315073 | 2025-12-04 | Active | PLANO |
| KNIGHT LAND SERVICES, INC. | DB051661 | 2006-10-31 | Inactive | RAPID CITY |
| Knight Leadership Group, LLC | DL301594 | 2025-06-02 | Active | Watertown |
| KNIGHT LIMOUSINE, INC. | DB038847 | 1997-07-25 | Inactive | — |
| Knight Management Services LLC | DL158158 | 2018-12-28 | Dissolved | Hartford |
| KNIGHT OIL TOOLS, INC. | FB031189 | 2006-12-04 | Inactive | LAFAYETTE |
| KNIGHT OIL TOOLS, LLC | FL141235 | 2017-12-19 | Active | HOUSTON |
| KNIGHT OIL TOOLS, LLC | FL006785 | 2013-03-13 | Inactive | LAFAYETTE |
| Knight on the Prairie LLC | DL283971 | 2024-09-27 | Active | Mount Vernon |
| Knight Operations LLC | DL298247 | 2025-04-18 | Active | SHERIDAN |
| Knight PI Services, LLC | DL210387 | 2021-09-17 | Dissolved | Rapid City |
| KNIGHT PIESOLD AND CO. | FB022542 | 1999-05-14 | Revoked | DENVER |
| KNIGHT PIESOLD AND CO. | FB033666 | 2009-07-24 | Active | DENVER |
| KNIGHT PIESOLD AND CO., LIMITED PARTNERSHIP | FP000081 | 1989-12-15 | Inactive | DENVER |
| KNIGHT PIESOLD L.L.C. | FL000062 | 1995-06-19 | Inactive | DENVER |
| KNIGHT PIESOLD MANAGEMENT CORP. | FB015064 | 1992-02-05 | Inactive | DENVER |
| KNIGHT PROPERTY MANAGEMENT, L.L.P. | DR000267 | 1998-04-22 | Inactive | — |
| Knight Restoration Services, LP | FP183906 | 2020-07-01 | Inactive | ADDISON |
| Knight Restoration, LLC | FL286446 | 2024-11-05 | Active | Addison |
| KNIGHT RIDE ENTERTAINMENT, LLC | DL030647 | 2012-12-20 | Inactive | BROOKINGS |
| KNIGHT SALES INC | DB061085 | 2016-08-19 | Dissolved | SIOUX FALLS |
| KNIGHT SAND & GRAVEL, INC. | DB016485 | 1979-03-12 | Dissolved | — |
| KNIGHT SECURITY INCORPORATED | DB032457 | 1992-12-24 | Active | Rapid City |
| KNIGHT SHIFT INC. | DB035588 | 1995-03-23 | Inactive | — |
| KNIGHT STEPPES INC. | DB054289 | 2009-02-05 | Dissolved | RAPID CITY |
| KNIGHT TOWING LLC | DL286515 | 2024-11-07 | Active | ABERDEEN |
| KNIGHT TOWING, L.L.C. | DL007257 | 2004-04-26 | Inactive | — |
| KNIGHT TRANSPORTATION INSURANCE SERVICES, INC. | FB037056 | 2013-10-09 | Inactive | ELK GROVE VILLAGE |
| KNIGHT TRANSPORTATION INSURANCE SERVICES, LLC | FL043213 | 2015-01-15 | Active | Schaumburg |
| KNIGHT TRANSPORTATION, L.L.C. | DL007258 | 2004-04-26 | Dissolved | ABERDEEN |
| KNIGHT TRUCK & TRAILER SALES, L.L.C. | DL007254 | 2004-04-26 | Dissolved | ABERDEEN |
| Knight Truck and Trailer Sales, LLC | DL286342 | 2024-11-04 | Active | ABERDEEN |
| Knight Truck Sales, LLC | DL041181 | 2014-11-21 | Inactive | ABERDEEN |
| KNIGHT'S CANYON GRAZING ASSOCIATION | NS004807 | 1970-08-27 | Active | SISSETON |
| KNIGHT'S CELLAR INC. | DB044185 | 2001-06-01 | Dissolved | — |
| KNIGHT'S CELLAR, LLC | DL007320 | 2004-05-11 | Dissolved | — |
| KNIGHT'S CHAMBER OF MANKATO, INC. | FB012313 | 1988-09-15 | Revoked | ST. CLOUD |
| KNIGHT'S CHAMBER, INC. | FB027933 | 2003-11-20 | Revoked | ST CLOUD |
| Knight-Reedstrom Companies, LLC | DL039299 | 2014-06-24 | Active | West Fargo |
| Knight-Tek LLC | FL245266 | 2023-03-01 | Revoked | Fallon |
| Knight-Tek LLC | DL288533 | 2024-12-09 | Active | Watertown |
| KNIGHT-TRO SOFT INCORPORATED | DB047484 | 2003-10-31 | Inactive | — |
| Knight-Tro Soft LLC | DL292355 | 2025-02-03 | Active | Sioux Falls |
| Knight-Tro Soft, LLC | DL129760 | 2017-01-18 | Dissolved | SIOUX FALLS |
| KNIGHT-TRO SOFT, LLC | DL025421 | 2011-08-12 | Dissolved | SIOUX FALLS |
| KnightCorp, LLC | DL300849 | 2025-05-22 | Active | Vermillion |
| KnightFoxAI LLC | DL266762 | 2024-01-19 | Dissolved | Watertown |
| KNIGHTRIDDER.COM, INC. | FB023645 | 2000-03-09 | Inactive | SAN JOSE |
| Knights Apparel LLC | FL333445 | 2026-07-13 | Active | Lenexa |
| KNIGHTS BUILDING ASSOCIATION | NS000694 | 1964-04-10 | Inactive | — |
| KNIGHTS DANCE TEAM, INC. | NS013218 | 2006-09-01 | Inactive | — |
| KNIGHTS DRYWALL, INC. | DB051290 | 2006-07-03 | Inactive | SIOUX FALLS |
| Knights Foundation | NS191447 | 2020-11-18 | Active | Sioux City |
| KNIGHTS FRANCHISE SYSTEMS, INC. | FB032295 | 2008-01-04 | Inactive | SPOKANE |
| KNIGHTS FRANCHISE SYSTEMS, INC. | FB018656 | 1996-02-12 | Revoked | PARSIPPANY |
| KNIGHTS HOLDINGS LLC | DL240314 | 2022-12-14 | Dissolved | SIOUX FALLS |
| Knights lawnmowing and landscaping LLC | DL303196 | 2025-06-26 | Active | Tea |
| KNIGHTS OF COLUMBUS - BLACK HILLS COUNCIL #0703 | NS135225 | 2017-07-20 | Active | Lead |
| Knights of Columbus Abbot Gilbert Hess Council 1720 | NS258148 | 2023-09-06 | Active | MILBANK |
| KNIGHTS OF COLUMBUS BUILDING ASSOCIATION | DB004447 | 1947-01-27 | Dissolved | WOONSOCKET |
| KNIGHTS OF COLUMBUS BUILDING ASSOCIATION OF WATERTOWN | NS003186 | 1968-12-23 | Inactive | — |
| Knights of Columbus Council 6333 | NS253622 | 2023-06-27 | Dissolved | Deadwood |
| KNIGHTS OF COLUMBUS CRETIN COUNCIL NO. 859 OF WATERTOWN, S.D. | NS004565 | 1907-06-21 | Active | WATERTOWN |
| KNIGHTS OF COLUMBUS HOME ASSOCIATION | NS004780 | 1920-02-14 | Dissolved | ABERDEEN |
| KNIGHTS OF COLUMBUS HOME ASSOCIATION OF CHISHOLM MAINE | 19450022ND | 1945-10-31 | Active | — |
| KNIGHTS OF COLUMBUS HOME ASSOCIATION OF JACKMAN, MAINE | 19600026ND | 1960-05-13 | Dissolved | — |
| KNIGHTS OF COLUMBUS HOME ASSOCIATION OF WATERVILLE, MAINE | 19490075ND | 1949-11-16 | Dissolved | — |
| KNIGHTS OF COLUMBUS, MARTY COUNCIL, NUMBER 1536 | NS002948 | 1927-07-28 | Dissolved | Yankton |
| Knights Rentals LLC | DL293751 | 2025-02-20 | Active | Parker |
| KNIGHTS TEMPLAR AVIATION, LLC | FL334515 | 2026-07-23 | Active | Brandon |
| Knights Wrestling Club, Inc. | NS312877 | 2025-11-03 | Active | Sioux Falls |
| KNIGHTS, LLC | DL012811 | 2006-12-27 | Dissolved | RAPID CITY |
| Knightsbridge Holdings, LLC | DL048653 | 2016-05-25 | Suspended | MADISON |
| KNIGHTSBRIDGE LIMITED PARTNERSHIP | DP000787 | 1997-12-29 | Active | — |
| KnightStar Oil Solutions LLC | DL229706 | 2022-06-28 | Dissolved | Chamberlain |
| KNIPPERX INC. | FB131256 | 2017-03-06 | Active | LAKEWOOD |
| KNIPPLING BROTHERS, L.L.C. | DA000333 | 1994-12-29 | Dissolved | GANN VALLEY |
| Knippling Carpentry LLC | DL227969 | 2022-05-31 | Dissolved | Highmore |
| Knippling Hereford LLC | DL005919 | 2003-05-28 | Active | GANN VALLEY |
| Knippling Kustoms, LLC | DL175532 | 2020-01-10 | Active | Whitewood |
| Knippling Land & Cattle Inc. | DB061143 | 2016-09-30 | Active | CHAMBERLAIN |
| KNIPPLING RANCHES, INC. | DF007045 | 1967-12-08 | Dissolved | CHAMBERLAIN |
| Knittel Cemetery Corporation | NS205577 | 2021-06-28 | Active | SIOUX FALLS |
| Knitting Kneedles, LLC | DL133199 | 2017-05-05 | Dissolved | Dakota Dunes |
| KNJ BERTSCH FARM FAMILY LIMITED PARTNERSHIP | DP002199 | 2011-02-24 | Active | ST LAWRENCE |
| KnK Builders, LLC | DL042524 | 2015-03-19 | Active | PIERRE |
| KNK CREW, LLC | DL021845 | 2010-06-30 | Dissolved | REDFIELD |
| KNK Dakota LLC | DL264121 | 2023-12-11 | Active | Pierre |
| KNK Land, LLLP | DR326041 | 2026-04-13 | Active | CANTON |
| KNK Land, LP | DP326040 | 2026-04-13 | Active | CANTON |
| KNK Ventures LLC | DL184906 | 2020-07-22 | Dissolved | Sioux Falls |
| KNK, LLC | DL308601 | 2025-09-05 | Active | CANTON |
| KNL Marketing, LLC | DL038284 | 2014-04-10 | Inactive | RAPID CITY |
| KNLR, INC. | DB022169 | 1983-02-25 | Inactive | — |
| KNM Holdings, LLC | DL230703 | 2022-07-18 | Active | Sioux Falls |
| KNN Enterprises, LLC | DL191261 | 2020-11-14 | Active | Brandon |
| KNOB HILL FARMS, INC. | DF051879 | 2006-12-29 | Active | Mellette |
| Knob Hill Ridge Owners' Association | NS223050 | 2022-03-18 | Active | Sioux Falls |
| Knobbe Restaurant Group LLC | DL045747 | 2015-11-05 | Dissolved | ARLINGTON |
| Knobbly Road Inc. | DB060301 | 2015-08-26 | Dissolved | MANHATTAN |
| KNOBE PROPERTIES, LLC | DL010904 | 2006-03-16 | Dissolved | SIOUX FALLS |
| Knobel Holdings LLC | DL308546 | 2025-09-04 | Active | HOT SPRINGS |
| Knobelsdorff Electric Inc. | FB038519 | 2015-04-20 | Active | Albany |
| Knobloch Infrared Technologies, LLC | DL262723 | 2023-11-16 | Active | SIOUX FALLS |
| Knoblock Heritage Farms, LLC | DL045858 | 2015-11-16 | Inactive | SIOUX FALLS |
| Knobos LLC | DL321543 | 2026-02-23 | Active | Watertown |
| Knock Custom Carpentry, LLC | DL227832 | 2022-05-26 | Dissolved | Lennox |
| KNOCK ENTERPRISES, INC. | DB038260 | 1997-02-25 | Active | RAPID CITY |
| Knock Farm, LLC | DL175094 | 2019-12-31 | Active | Davis |
| Knock Homes, LLC | DL256085 | 2023-08-04 | Active | Chancellor |
| KNOCK KNOCK PROPERTIES, LLC | DL283116 | 2024-09-16 | Active | Sturgis |
| KNOCK LENDING LLC | FL291065 | 2025-01-14 | Active | ATLANTA |
| Knock on Wood, Inc. | DB176492 | 2020-01-28 | Active | New York |
| Knock Out Clutter, LLC | DL278325 | 2024-07-05 | Active | Rapid City |
| Knock out food LLC | DL280176 | 2024-07-31 | Active | Watertown |
| Knock out Parkinson's, Inc. | NS165495 | 2019-06-03 | Dissolved | RAPID CITY |
| Knockemdown Key Island, LLC | DL040818 | 2014-10-29 | Dissolved | LAS VEGAS |
| Knockerball Rapid City LLC | DL048278 | 2016-05-02 | Dissolved | Rapid City |
| KnockOut Boutique LLC | DL136731 | 2017-09-05 | Dissolved | HARRISBURG |
| Knockout Events, Inc. | DB060847 | 2016-04-28 | Dissolved | HURON |
| Knockout Promos and Events LLC | DL204676 | 2021-06-14 | Suspended | Sioux Falls |