| KNOCO, LLC | DL013145 | 2007-02-05 | Active | PLATTE |
| Knodel Contractors, LLC | DL040359 | 2014-09-22 | Active | FREEMAN |
| KNODEL LAND CO., INC. | DF016183 | 1978-12-06 | Inactive | — |
| Knodel Trucking LLC | DL042875 | 2015-03-19 | Active | Blunt |
| Knodel Welding LLC | DL261552 | 2023-10-28 | Active | Kadoka |
| Knoebel Construction, Inc. | FB188140 | 2020-09-23 | Revoked | Chesterfield |
| KNOEBEL CONSTRUCTION, INC. | FB036186 | 2012-08-13 | Revoked | ST LOUIS |
| KNOEBEL CONSTRUCTION, INC. | FB164311 | 2019-05-08 | Revoked | CHESTERFIELD |
| KNOEPFLER CHEVROLET CO. | DB003864 | 1922-05-11 | Inactive | — |
| KNOGO CORPORATION | FB015561 | 1992-09-28 | Inactive | HAUPPAUGE |
| KNOGO CORPORATION | FB012222 | 1988-07-29 | Revoked | HAUPPAUGE |
| KNOGO NORTH AMERICA INC. | FB017536 | 1994-12-22 | Revoked | HAUPPAUGE |
| KnoKap L.L.C. | DL268585 | 2024-02-15 | Active | Watertown |
| Knoll & Associates LLC | DL132751 | 2017-04-20 | Inactive | BRANDON |
| Knoll Construction, LLC | DL269145 | 2024-02-23 | Active | SPRINGFIELD |
| KNOLL HUNTING LODGE, INC. | DB048782 | 2004-09-30 | Inactive | — |
| KNOLL LAND & CATTLE LLC | DL012222 | 2006-10-03 | Dissolved | PLATTE |
| Knoll Land and Livestock, LLC | DL234040 | 2022-09-06 | Active | Platte |
| KNOLL MANAGEMENT, LLC | DL030283 | 2012-12-03 | Active | CONDE |
| KNOLL PROPERTIES, LLC | DL013196 | 2007-02-12 | Active | PLATTE |
| KNOLL REAL ESTATE LIMITED PARTNERSHIP | DP002447 | 2012-12-03 | Active | CONDE |
| KNOLLWOOD DEVELOPMENT, LIMITED PARTNERSHIP | DP001702 | 2005-12-09 | Active | — |
| KNOLLWOOD DEVELOPMENT, LLC | DL010293 | 2005-12-09 | Active | Minneapolis |
| KNOLLWOOD HEIGHTS UNITED METHODIST CHURCH | CH003008 | 1979-03-15 | Active | Rapid City |
| KNOLLWOOD INVESTMENTS, L.L.C. | DL000015 | 1993-08-06 | Dissolved | CUSTER |
| KNOLLWOOD KENNEL, INC. | DB021922 | 1982-11-18 | Inactive | — |
| Knollwood LIHTC, LP | DP203837 | 2021-05-28 | Active | PIERRE |
| Knollwood Residences LLC | DL219379 | 2022-01-27 | Dissolved | Newark |
| KNOLLWOOD TOWNHOUSE PROPERTIES LIMITED PARTNERSHIP | DP001394 | 1984-11-30 | Active | — |
| Knollwood Ventures, LLC | DL207349 | 2021-07-28 | Dissolved | Sioux Falls |
| KNOLOGY COMMUNITY TELEPHONE, INC. | DB039014 | 1997-09-10 | Dissolved | WEST POINT |
| KNOLOGY OF SOUTH DAKOTA, INC. | FB020319 | 1997-07-22 | Inactive | WEST POINT |
| KNOLOGY OF THE BLACK HILLS, LLC | DL002065 | 1999-01-25 | Inactive | Englewood |
| KNOLOGY OF THE PLAINS, INC. | DB022730 | 1983-09-19 | Dissolved | WEST POINT |
| KNOLOGY, INC. | FB031331 | 2007-01-23 | Inactive | WEST POINT |
| KNOPF CONVENIENCE STORE, INC. | DB052798 | 2007-10-01 | Inactive | — |
| KNOPF PROPERTIES LLC | DL037824 | 2014-03-14 | Active | SIOUX FALLS |
| KNOPF, INC. | DB043346 | 2000-10-25 | Inactive | — |
| Knot Consulting, LLC | DL178588 | 2020-03-11 | Active | Center Ridge |
| Knot Just Hair LLC | DL154617 | 2018-10-02 | Dissolved | RAPID CITY |
| Knot Just Wood, LLC | DL191908 | 2020-11-30 | Dissolved | Tea |
| Knot Mine LLC | DL130003 | 2017-01-26 | Active | Rapid City |
| Knots & Nerves, LLC | DL251788 | 2023-05-30 | Dissolved | Philip |
| Knots Undone, LLC | DL241363 | 2023-01-02 | Active | Belle Fourche |
| Knott Bad LLC | DL203665 | 2021-05-26 | Active | St Thomas, Virgin Islands |
| Knotty Beaver Properties LLC | DL204613 | 2021-06-15 | Active | Hartford |
| Knotty Flowers LLC. | DL237876 | 2022-11-02 | Active | Sioux Falls |
| Knotty Gnome Variety & Salvage, LLC | DL047086 | 2016-02-12 | Active | Hartford |
| Knotty Home Building Services LLC | DL275183 | 2024-05-16 | Inactive | Watertown |
| KNOTTY PINE ROAD DISTRICT | DM009749 | 2010-06-07 | Active | RAPID CITY |
| Knotty Pine, LLC | DL276582 | 2024-06-07 | Active | Watertown |
| Knotty Wood Sisters, LLC | DL225817 | 2022-04-26 | Inactive | Custer |
| KNOUSE FOODS, INC. | 19570001NF | 1957-02-25 | Active | — |
| KNOVEL CORPORATION | FB148738 | 2018-05-24 | Active | New York |
| Know Bounds Billing PLLC | DL201423 | 2021-04-21 | Dissolved | Jefferson |
| Know Bull Media LLC | DL234886 | 2022-09-18 | Dissolved | Box Elder |
| Know Ink, LLC | FL189393 | 2020-10-14 | Active | Saint Louis |
| Know Insight, LLC | DL270790 | 2024-03-15 | Active | Northport |
| KNOW THE COVERING, INC. | NS014871 | 2012-06-25 | Dissolved | RAPID CITY |
| Know.Be.Raise, LLC | DL135519 | 2017-07-31 | Dissolved | BROOKINGS |
| KNOWABLE INC. | FB170763 | 2019-09-26 | Inactive | New York |
| KnowGent Systems (USA) LLC | DL042848 | 2015-04-09 | Dissolved | Sioux Falls |
| Knowledge Access LLC | DL279489 | 2024-07-24 | Active | Spearfish |
| KNOWLEDGE DIFFUSION INC. | FB216007 | 2021-12-08 | Inactive | NEW YORK |
| KNOWLEDGE HEALTH MEDICAL SERVICES, P.C. | FB167958 | 2019-07-29 | Active | New York |
| KNOWLEDGE MANAGEMENT, LLC | DL002488 | 1999-09-27 | Dissolved | SIOUX FALLS |
| KNOWLEDGE TREE MEDIA LLC | DL014738 | 2007-09-24 | Inactive | DEADWOOD |
| Knowledge, Impact, and Motivation Corp. | DB240297 | 2022-12-14 | Active | Fort Pierre |
| Knowledge, Impact, and Motivation LLC | DL227133 | 2022-05-17 | Inactive | Fort Pierre |
| KNOWLER CDL TESTING LLC | DL249836 | 2023-05-01 | Active | SIOUX FALLS |
| KNOWLES & DRESSEL, INC. | 19480040D | 1948-03-31 | Active | — |
| KNOWLES BLUNCK ARCHITECTURE LTD. | FB035676 | 2012-01-09 | Inactive | DES MOINES |
| KNOWLTON CONSTRUCTION, L.L.C. | DL018232 | 2009-02-04 | Active | Rapid City |
| Known Counseling Services LLC | DL177458 | 2020-02-18 | Active | Sioux Falls |
| KNOWTECH TRAINING, LLC | DL019281 | 2009-06-30 | Inactive | SIOUX FALLS |
| KnowWines, LLC | DL230018 | 2022-08-01 | Inactive | BOX ELDER |
| KNOX & SCHNEIDER, INC. | FB014666 | 1991-07-08 | Revoked | CHICAGO |
| KNOX BROS., INC. | 19550064D | 1955-08-08 | Active | — |
| KNOX CONSTRUCTION, INC. | FB007612 | 1981-04-03 | Revoked | GRAND ISLAND |
| KNOX COUNTY BLUE FINS, INC. | 19630062ND | 1963-11-14 | Suspended | — |
| KNOX DEVELOPMENT CORPORATION | DB037056 | 1996-04-08 | Inactive | — |
| Knox Holdings, LLC | DL132682 | 2017-04-18 | Active | NORTH SIOUX CITY |
| KNOX HOME CENTERS, INC. | FB010814 | 1986-04-16 | Inactive | ST. PAUL |
| KNOX INDUSTRIES, INC. | 19380013D | 1938-12-09 | Dissolved | — |
| Knox LLC | DL133604 | 2017-05-19 | Dissolved | Mitchell |
| Knox LLC | DL241298 | 2022-12-31 | Dissolved | Box Elder |
| KNOX LODGE, #29, INDEPENDENT ORDER OF ODD FELLOWS, INC. | 19360008ND | 1936-10-12 | Canceled | — |
| KNOX LUMBER COMPANY | FB007456 | 1980-12-11 | Inactive | PHOENIX |
| Knox Mining Company L.L.C. | DL200195 | 2021-04-05 | Dissolved | Watertown |
| Knox Organizing Werks, LLC | DL250303 | 2023-05-08 | Dissolved | Rapid City |
| KNOX PIER, INC. | 19630031ND | 1963-05-03 | Suspended | — |
| KNOX PROPERTIES, L.L.C. | DL019393 | 2009-07-20 | Dissolved | SIOUX FALLS |
| Knox Properties, LLC | DL182803 | 2020-06-10 | Active | Sioux Falls |
| KNOX RIDGE BAPTIST CHURCH | 19600000L | 1960-10-11 | Active | — |
| KNOX-LINCOLN COUNTY FARM BUREAU ASSOCIATION | 19580001CP | 1958-01-14 | Active | — |
| knoxious weed control llc | DL290052 | 2025-01-01 | Active | NEW UNDERWOOD |
| Knoxville Harbott LLC | DL171185 | 2019-10-06 | Active | Spearfish |
| Knoxville Properties, LLC | DL253397 | 2023-06-23 | Active | Castlewood |
| KNP, INC. | DB046813 | 2003-05-02 | Inactive | — |
| KNQ Custom Designs LLC | DL238864 | 2022-11-17 | Dissolved | SIOUX FALLS |
| KNR SPE, LLC | DL031912 | 2013-04-03 | Inactive | PIERRE |
| KNR SPE, LLC | DL153445 | 2018-09-05 | Inactive | Sioux Falls |
| KNR Unlimited, LLC. | DL300473 | 2025-05-16 | Active | Box Elder |
| KNS ASSOCIATES INC. | DB057954 | 2013-08-02 | Dissolved | WILMOT |
| KNTC LLC dba Sioux Marble | DL130100 | 2017-02-01 | Active | brandon |
| Knuckle Sandwich, LLC | DL288752 | 2024-12-11 | Active | Sioux Falls |
| KNUCKLEBUSTER BUILDING REPAIR LLC | DL027232 | 2012-02-15 | Inactive | RAPID CITY |
| KNUCKLEHEADS, INC. | DB038522 | 1997-05-01 | Active | FLANDREAU |
| KNUDSON & BUSEMAN INSURANCE, INC. | DB030645 | 1991-05-10 | Active | CENTERVILLE |
| KNUDSON & PREHEIM, INC. | DB033085 | 1993-06-01 | Active | Centerville |
| Knudson Carpentry LLC | DL216718 | 2021-12-17 | Dissolved | Herreid |
| KNUDSON FARMS, INCORPORATED | DF014688 | 1977-09-23 | Inactive | — |
| Knudson Home Inspection, LLC | DL049593 | 2016-08-15 | Active | MOBRIDGE |
| Knudson Kamp, LLC | DL315082 | 2025-12-04 | Active | Pollock |
| KNUDSON MASONRY, LLC | DL016851 | 2008-06-30 | Active | CENTERVILLE |
| KNUDSON PLAZA II, LLC | DL012684 | 2006-12-13 | Dissolved | SIOUX FALLS |
| KNUDSON PLAZA, L.L.C. | DL007955 | 2004-09-27 | Active | SIOUX FALLS |
| Knudson Properties, LLC | DL160811 | 2019-02-25 | Active | Centerville |
| Knudson Real Estate LLC | DL202977 | 2021-05-15 | Active | SIOUX FALLS |
| KNUDSON-MERCHANT CONSTRUCTION COMPANY | FB017228 | 1994-08-29 | Revoked | SIOUX CITY |
| Knuppe Bros, LLC | DL220125 | 2022-02-07 | Active | SIOUX FALLS |
| Knuppe Cattle, LLC | DL240637 | 2022-12-20 | Active | Hill City |
| Knuppe Counseling, LLC | DL132491 | 2017-04-12 | Active | RAPID CITY |
| KNUPPE RANCH, LLLP | DP002049 | 2009-10-15 | Active | NEW UNDERWOOD |
| KNUTE FINANCIAL LLC | FL274739 | 2024-05-10 | Active | BUFFALO |
| Knuteson Trucking LLC | DL160495 | 2019-02-16 | Active | BELLE FOURCHE |
| Knuth Consulting LLC | DL193848 | 2020-12-30 | Active | Hartford |
| Knuth Enterprises LLC | DL150066 | 2018-06-21 | Active | Hartford |
| KNUTSEN INVESTMENT MANAGEMENT, INC. | DB045474 | 2002-05-17 | Active | RAPID CITY |
| KNUTSON BROTHERS, INC. | DB050043 | 2005-08-19 | Dissolved | HOT SPRINGS |
| Knutson Companies, LLC | DL279343 | 2024-07-22 | Active | Wakonda |
| KNUTSON CONSTRUCTION COMPANY | FB015785 | 1993-01-08 | Revoked | MINNEAPOLIS |
| KNUTSON CONSTRUCTION COMPANY | FB005032 | 1975-07-08 | Revoked | MINNEAPOLIS |
| Knutson Construction LLC | DL235920 | 2022-10-02 | Dissolved | Sioux Falls |
| KNUTSON CONSTRUCTION SERVICES, INC. | FB030118 | 2005-11-08 | Revoked | MINNEAPOLIS |
| KNUTSON CROP INSURANCE, LLC | DL018634 | 2009-03-24 | Active | TORONTO |
| KNUTSON ENTERPRISES, LLC | DL019702 | 2009-09-08 | Dissolved | CROOKS |
| KNUTSON FAMILY DENTISTRY, LLP | DR001071 | 2007-01-18 | Active | VERMILLION |
| Knutson Family Dentistry, Prof. L.L.C. | DL047364 | 2007-01-18 | Active | VERMILLION |
| Knutson Family Holdings, Limited Partnership | DP289288 | 2024-12-16 | Active | WATERTOWN |
| KNUTSON FAMILY, LLC | DL013157 | 2007-02-07 | Active | SIOUX FALLS |
| Knutson Farm Holdings LLC | DL296271 | 2025-03-24 | Dissolved | UNIVERSITY CITY |
| KNUTSON FARM LAND, L.L.C. | DA006158 | 2003-08-11 | Active | Volga |
| KNUTSON FARMS, L.L.C. | DA005768 | 2003-04-17 | Active | VOLGA |
| Knutson Girls Land and Livestock LLC | DL270439 | 2024-03-11 | Active | Centerville |
| KNUTSON HOSPITALITY LLC | DL029990 | 2012-11-09 | Active | BRANDON |
| KNUTSON INSULATION, INC. | DB040831 | 1998-12-21 | Dissolved | — |
| KNUTSON IRRIGATION SERVICE, INC. | DB048486 | 2004-07-08 | Dissolved | VALE |
| Knutson Land Solutions LLC | DL319207 | 2026-01-27 | Active | Beresford |
| KNUTSON MARKETING, LLC | DL018215 | 2009-02-03 | Dissolved | ESTELLINE |
| KNUTSON METALWORKS I, LLC | DL007081 | 2004-03-18 | Inactive | — |
| KNUTSON METALWORKS, INC. | DB052231 | 2007-04-06 | Inactive | SIOUX FALLS |
| KNUTSON MORTGAGE CORPORATION | FB009266 | 1983-12-01 | Inactive | MINNEAPOLIS |
| KNUTSON MORTGAGE CORPORATION | FB018034 | 1995-07-07 | Inactive | AUSTIN |
| KNUTSON MORTGAGE CORPORATION | FB011107 | 1986-10-06 | Inactive | BLOOMINGTON |
| KNUTSON PIPE COVERING, INC. | DB010600 | 1971-06-04 | Inactive | — |
| KNUTSON PROPERTIES, LLC | DL027818 | 2012-04-09 | Active | SIOUX FALLS |
| KNUTSON RANCH, L.L.C. | DL014826 | 2007-10-10 | Inactive | QUINN |
| Knutson Ranch, LLLP | DP226801 | 2022-05-11 | Active | QUINN |
| KNUTSON TRADING POST, INC. | DB045993 | 2002-10-18 | Inactive | — |
| KNUTSON VETERINARY SERVICES, PROF. L.L.C. | DL013619 | 2007-04-06 | Active | VERMILLION |
| KNUTSON WELL DRILLING, INC. | FB028321 | 2004-03-12 | Active | HETTINGER |
| Knutson-Colson Real Estate, LLC | DL183319 | 2020-06-19 | Active | Rapid City |
| KNUTZEN FAMILY, LLC | DL047684 | 2016-03-23 | Active | BROOKINGS |
| KNV Properties LLC | DL185829 | 2020-08-10 | Dissolved | Watertown |
| Knyaw Poe Tattoos LLC | DL269216 | 2024-02-25 | Dissolved | Aberdeen |
| KO Consulting Group LLC | DL267958 | 2024-02-06 | Active | Sioux Falls |
| KO CONSULTING, LLC | DL024826 | 2011-05-31 | Dissolved | BROOKINGS |
| KO Customs LLC | DL158086 | 2018-12-27 | Active | Baltic |
| KO DELIVERY SERVICE, LLC | DL236439 | 2022-10-10 | Inactive | BRANDON |
| KO DESIGNS, LLC | DL013419 | 2007-03-14 | Inactive | — |
| KO Hospitality LLC | DL320694 | 2026-02-12 | Active | MOBRIDGE |
| KO Management LLC | FL330858 | 2026-06-10 | Active | MINNETONKA |
| KO PRODUCTIONS, LLC | DL023551 | 2011-01-19 | Dissolved | BROOKINGS |
| KO PROPERTIES, LLC | DL014850 | 2007-10-12 | Dissolved | SIOUX FALLS |
| KO PROPERTY'S, LLC | DL044003 | 2015-06-15 | Dissolved | MONTROSE |
| KO RANCH, LLC | DL007523 | 2004-06-24 | Active | RAPID CITY |
| KO Ranch, LLP | DR263657 | 2004-06-24 | Active | RAPID CITY |
| KO STORAGE OF MILBANK, LLC | FL198152 | 2021-03-05 | Active | Hopkins |
| KO Trucking LLC | DL147083 | 2018-04-18 | Dissolved | Sioux Falls |
| KO Ventures, LLC | DL045688 | 2015-11-02 | Dissolved | ABERDEEN |
| KO Vision Corp. | DB197672 | 2021-03-01 | Suspended | SIOUX FALLS |
| KO's Pro Service & Towing, LLC | DL240999 | 2022-12-27 | Active | WOONSOCKET |
| KO-BR ENTERPRISES, INC. | DB025335 | 1986-04-23 | Inactive | — |
| Koa & Ken Canoe LLC | DL311901 | 2025-10-20 | Active | Vermillion |
| KOA SPEARFISH, INC. | DB026428 | 1987-06-03 | Dissolved | — |
| KOABW, LLC | DL009333 | 2005-06-06 | Dissolved | RAPID CITY |
| Koah Development Services LLC | DL240171 | 2022-12-13 | Active | Canton |
| Koah-Haugan Joint Venture LLC | DL293461 | 2025-02-17 | Active | Canton |
| Koala Consulting LLC | DL268063 | 2024-02-08 | Active | Rapid City |
| KOALA ELECTRIC, INC. | DB027524 | 1988-07-01 | Active | STURGIS |
| Koala Healthcare Software, Inc. | DB275288 | 2024-05-17 | Dissolved | OAK BROOK |
| KOALA RECORD COMPANY, INC. | DB020480 | 1981-03-16 | Inactive | — |
| Koala T, LLC | DL320198 | 2026-02-06 | Active | Sioux Falls |
| KOALA-T PRODUCTS, INC. | DB053912 | 2008-09-24 | Dissolved | EAGAN |
| KOAR SERVICES LLC | DL028723 | 2012-07-05 | Active | BRADLEY |
| KOB OD, PLLC | DL186639 | 2020-08-25 | Active | Sioux Falls |
| KOB Services, LLC | DL280991 | 2024-08-13 | Active | Rapid City |
| Kobabala Farda Kunamasi | NS251209 | 2023-05-19 | Dissolved | Sioux Falls |
| KOBALT CONSTRUCTION INC. | FB039188 | 2016-03-11 | Active | SALT LAKE CITY |