| HARMONY HUTTERIAN BRETHREN, INC. | NS011805 | 2001-07-23 | Active | IPSWICH |
| Harmony In Healing LLC | DL309717 | 2025-09-20 | Active | Rapid City |
| HARMONY IV, L.L.C. | DL020496 | 2009-12-30 | Inactive | SIOUX FALLS |
| Harmony IX, LLC | DL045835 | 2015-11-12 | Dissolved | SIOUX FALLS |
| Harmony Labs LLC | DL306055 | 2025-08-01 | Active | Sioux Falls |
| HARMONY LODGE 110 AF & AM | NS137474 | 2017-09-25 | Active | HOT SPRINGS |
| HARMONY LODGING GROUP, LLC | DL005673 | 2003-03-24 | Active | Aberdeen |
| Harmony Mental Health Counseling LLC | DL307387 | 2025-08-21 | Active | Parkston |
| HARMONY MOON PRODUCTIONS LLC | DL137959 | 2017-10-04 | Dissolved | BOX ELDER |
| Harmony Pathway Services, LLC | DL269895 | 2024-03-04 | Active | Cupertino |
| HARMONY PLACE CEMETERY ASSOCIATION | 19460007N | 1946-09-30 | Active | — |
| HARMONY PRESBYTERIAN CHURCH OF HURLEY | CH002459 | 1883-07-11 | Active | HURLEY |
| Harmony Properties LLC | DL300352 | 2025-05-15 | Suspended | Sioux falls |
| HARMONY RENTAL PROPERTIES LLC | DL033192 | 2013-07-19 | Dissolved | SIOUX FALLS |
| HARMONY SOUTH DAKOTA, INC. | NS015166 | 2013-07-25 | Active | SIOUX FALLS |
| HARMONY TELEPHONE COMPANY | PU000579 | 1952-09-20 | Inactive | — |
| HARMONY TOWNSHIP, EDMUNDS COUNTY, SOUTH DAKOTA | CI000153 | 1986-05-02 | Active | — |
| HARMONY V, LLC | DL026538 | 2011-12-15 | Dissolved | SIOUX FALLS |
| HARMONY VI, LLC | DL026539 | 2011-12-15 | Inactive | SIOUX FALLS |
| HARMONY VII, LLC | DL032641 | 2013-05-29 | Suspended | SIOUX FALLS |
| HARMONY VIII, LLC | DL039193 | 2014-06-13 | Dissolved | SIOUX FALLS |
| HARMONY VOLUNTEER FIRE DEPARTMENT AND REGIONAL AMBULANCE SERVICE | 19550006ND | 1955-01-26 | Active | — |
| Harmony with Horses, LLC | DL189015 | 2020-10-07 | Dissolved | Hollywood |
| HARMONY ZC III, LLC | DL025940 | 2011-10-11 | Inactive | SIOUX FALLS |
| HARMONY, LLC | DL224234 | 2022-04-05 | Active | Aberdeen |
| HARMOR GANLEY LLC | DL244528 | 2023-02-15 | Dissolved | Huntington Beach |
| HARMOR LEYGAN LLC | DL244524 | 2023-02-15 | Inactive | Huntington Beach |
| HARMS BANISTER CROP, LLC | DL027526 | 2012-03-14 | Active | REDFIELD |
| Harms Brothers Business Consulting, LLC | DL314948 | 2026-01-01 | Active | Baltic |
| Harms Business Group LLC | DL284345 | 2024-10-02 | Active | Brookings |
| HARMS CHARTERS, LLC | DL020401 | 2009-12-16 | Inactive | BROOKINGS |
| HARMS CONSULTING LLC | DL031565 | 2013-03-07 | Dissolved | BROOKINGS |
| Harms Engineering, Inc., PC | FB239949 | 2023-01-01 | Active | Watertown |
| Harms Enterprises, Inc. | DB060195 | 2015-07-09 | Active | WATERTOWN |
| HARMS FAMILY CORPORATION | DB036095 | 1995-08-01 | Active | BROOKINGS |
| HARMS FAMILY CORPORATION II | DB053987 | 2008-10-22 | Active | BROOKINGS |
| HARMS FARMS, INC. | DF036409 | 1995-11-08 | Active | GROTON |
| Harms Gravel LLC | DL224678 | 2022-04-11 | Active | Milbank |
| HARMS HANGAR, LLP | DR000711 | 2003-03-27 | Inactive | BELLE FOURCHE |
| HARMS HEATING AND COOLING, INC. | DB053933 | 2008-09-30 | Active | ABERDEEN |
| HARMS HEATING, INC. | DB042519 | 2000-03-07 | Inactive | — |
| HARMS LIVESTOCK LLC | DL231857 | 2022-08-02 | Dissolved | ABERDEEN |
| HARMS LIVESTOCK, LLC | DL020900 | 2010-03-02 | Suspended | REDFIELD |
| HARMS OIL COMPANY | DB014457 | 1977-06-23 | Active | Brookings |
| Harms Painting LLC | DL230201 | 2022-07-08 | Dissolved | Belle Fourche |
| HARMS PETROLEUM, L.L.C. | DL003124 | 2000-07-19 | Dissolved | — |
| HARMS VENDING, INC. | DB055510 | 2010-07-26 | Active | WATERTOWN |
| HARMS-OHLMACHER, INC. | DB011037 | 1972-04-05 | Dissolved | — |
| HARMUNDSON INVESTMENTS, LLC | DL010700 | 2006-02-10 | Dissolved | SIOUX FALLS |
| HARNARINE SINGH IRREVOCABLE LIFE INSURANCE TRUST 2007-1 | DT000127 | 2007-03-28 | Active | — |
| HARNER MANAGEMENT, INC. | DB027660 | 1988-08-29 | Inactive | — |
| HARNESS & KEEGAN EQUITY GROUP LLC | DL025937 | 2011-10-11 | Dissolved | BRANDON |
| HARNESS HEALTH PHARMACY - CENTRAL PHARMACY SERVICES, LLC | FL300219 | 2025-05-14 | Active | Blue Ash |
| Harness Resources, LLC | DL289292 | 2024-12-18 | Active | Sioux Falls |
| HARNESS, DICKEY & PIERCE, P.L.C. | FL005672 | 2011-05-05 | Inactive | TROY |
| HARNESSING DAKOTA WIND | FN010748 | 2002-10-18 | Inactive | FARGO |
| HARNEY CAMP CABINS, INC. | DB035754 | 1995-04-26 | Inactive | — |
| HARNEY LEAGUE SPORTS | NS000665 | 1963-12-06 | Active | RAPID CITY |
| HARNEY LUMBER COMPANY | DB006696 | 1944-01-14 | Active | RAPID CITY |
| HARNEY MOUNTAIN #1 ROAD DISTRICT | DM009731 | 2010-01-08 | Active | RAPID CITY |
| HARNEY MOUNTAIN #2 ROAD DISTRICT | DM009732 | 2010-01-08 | Active | RAPID CITY |
| HARNEY MOUNTAIN II LLC | DL017215 | 2008-08-22 | Dissolved | RAPID CITY |
| HARNEY MOUNTAIN LLC | DL017088 | 2008-08-04 | Inactive | RAPID CITY |
| HARNEY MOUNTAIN WILDERNESS ESTATES HOMEOWNERS ASSOCIATION, INC. | NS014442 | 2010-10-28 | Active | HILL CITY |
| HARNEY MOUNTAIN WILDERNESS ESTATES INC. | DB054779 | 2009-09-09 | Dissolved | RAPID CITY |
| HARNEY PEAK CONSTRUCTION LLC | DL012524 | 2006-11-17 | Inactive | — |
| Harney Peak Distribution, LLC | DL281183 | 2024-08-16 | Dissolved | Sioux Falls |
| HARNEY PEAK HOTEL AND MOTEL, INCORPORATED | DB003166 | 1963-04-06 | Dissolved | — |
| HARNEY PEAK RESOURCES LLC | DL025643 | 2011-09-07 | Inactive | RAPID CITY |
| HARNEY PEAK, INC. | DB035218 | 1994-12-30 | Dissolved | — |
| HARNEY ROOSTER, INC. | DB054325 | 2009-02-19 | Dissolved | HILL CITY |
| HARNISCH FARMS, LLC | DA010669 | 2006-02-06 | Active | SIOUX FALLS |
| Haro Custom LLC | DL281473 | 2024-08-21 | Active | Black Hawk |
| HARO EQUIPMENT SALES, INC. | DB043843 | 2001-02-26 | Inactive | — |
| HAROBY, INC. | DB031768 | 1992-05-18 | Dissolved | — |
| HAROLD A. DOERR, D.D.S., P.C. | DB042023 | 1999-11-08 | Dissolved | RAPID CITY |
| HAROLD A. OBERLANDER LAND COMPANY, LLC | DA035247 | 2013-09-26 | Active | RAPID CITY |
| HAROLD A. OBERLANDER LAND COMPANY, LLC | DL035247 | 2013-09-26 | Active | RAPID CITY |
| HAROLD AND MARY TORNESS FOUNDATION | NS009953 | 1993-10-13 | Dissolved | — |
| HAROLD BARC4, LLC | DL135193 | 2017-07-19 | Active | Castle Rock |
| Harold Borgen Construction, Inc. | DB059499 | 2014-10-24 | Dissolved | DEVILS LAKE |
| Harold C Frazier Consulting LLC | DL328454 | 2026-05-11 | Active | Watertown |
| HAROLD C. NELSON AND SON, INC. | DF016694 | 1979-05-14 | Inactive | — |
| HAROLD C. RALPH CHEVROLET, INC. | 19640090D | 1964-01-06 | Active | — |
| HAROLD D. SMITH & SONS, INC. | 19590082D | 1959-11-02 | Dissolved | — |
| HAROLD DEANS, INC. | DF013935 | 1976-11-18 | Dissolved | LEMMON |
| HAROLD DIERS & COMPANY | FB009757 | 1984-09-04 | Revoked | OMAHA |
| HAROLD ECKERT & SONS, INC. | DF012604 | 1974-11-18 | Dissolved | — |
| Harold F Wilkins, LLC | DL266991 | 2024-01-23 | Dissolved | Louisa |
| HAROLD F. SEAL, INC. | 19670105D | 1967-07-20 | Canceled | — |
| HAROLD GERDES SANDHILLS TRUCKING LLC | DL017588 | 2008-10-23 | Dissolved | HECLA |
| HAROLD H. LUIKEN & SONS, INC. | FB024067 | 2000-07-05 | Inactive | STEAMBOAT ROCK |
| HAROLD HAINES, INC. | 19500020D | 1950-01-31 | Active | — |
| HAROLD HUNTER COMPANY | FN010463 | 1995-05-01 | Revoked | LITTLE ROCK |
| Harold J. and JoAnne H. Gulbransen Family, LLC | DL138557 | 2017-10-18 | Dissolved | Rapid City |
| HAROLD J. MEIER PAINTING & DECORATING, INC. | FB016712 | 1994-02-22 | Revoked | SIOUX CITY |
| HAROLD J. MEIER PAINTING & DECORATING, INC. | FB002573 | 1965-10-13 | Revoked | SIOUX CITY |
| HAROLD K. SCHOLZ COMPANY | FB004664 | 1974-05-03 | Active | RALSTON |
| HAROLD L. COLLIER, INC. | 19620056D | 1962-12-17 | Dissolved | — |
| HAROLD M. SEWALL ESTATE, INCORPORATED | 19250007D | 1925-12-31 | Active | — |
| HAROLD MACQUINN, INCORPORATED | 19560067D | 1956-01-16 | Active | — |
| HAROLD MINING AND DEVELOPMENT CORPORATION | DB026039 | 1987-01-19 | Inactive | — |
| HAROLD ORR TRUCKING, INC. | DB045440 | 2002-05-10 | Inactive | — |
| HAROLD SCHRADER FARM, INC. | DF000003 | 1987-07-17 | Active | EMERY |
| HAROLD T. ANDREWS POST, NO. 17, THE AMERICAN | 19200008ND | 1920-07-07 | Active | — |
| HAROLD W. BISHOP AGENCY | 19660099D | 1966-07-07 | Active | — |
| HAROLD W. WELLS & SON, INCORPORATED | FB031808 | 2007-07-06 | Revoked | WILMINGTON |
| HAROLD W. WELLS & SON, INCORPORATED | FB034496 | 2010-07-16 | Active | WILMINGTON |
| HAROLD'S DELIVERY, INC. | DB028133 | 1989-02-15 | Inactive | — |
| HAROLD'S EXTENDED WARRANTY, LLC | DL016999 | 2008-07-22 | Active | SIOUX FALLS |
| HAROLD'S PHOTO CENTERS, INC. | DB032334 | 1992-11-23 | Active | Sioux Falls |
| HAROLD'S PLUMBING AND HEATING, INC. | DB027727 | 1988-09-28 | Inactive | — |
| HAROLD'S PRIME RIB, INC. | DB025750 | 1986-10-08 | Dissolved | — |
| HAROLD'S WESTERN WASH, INC. | DB010841 | 1971-12-09 | Dissolved | SIOUX FALLS |
| HAROLD'S, INC. | DB002258 | 1961-05-09 | Dissolved | — |
| HAROLD'S, LLC | DL013477 | 2007-03-21 | Inactive | — |
| Haroldo Drywall & Painting LLC | DL309784 | 2025-09-22 | Active | Sioux Falls |
| Haroldson Agriculture LLC | DL242470 | 2023-01-19 | Active | Bruce |
| Haroldson Farms Distillery LLC | DL164246 | 2019-05-07 | Dissolved | Bruce |
| HAROLDSON FARMS LLC | DL130590 | 2017-02-12 | Active | BRUCE |
| Haroldson Hospitality Group LLC | DL273415 | 2024-04-24 | Active | BRUCE |
| HARON LIMITED | FB013245 | 1989-12-12 | Revoked | SEATTLE |
| HARP PHOTOGRAPHY LLC | DL324766 | 2026-03-31 | Active | SIOUX FALLS |
| HARP, LLC | DL137994 | 2017-10-04 | Active | Watertown |
| Harpazo Enterprises LLC | DL282599 | 2024-09-11 | Dissolved | Nashville |
| HARPAZO INC | DB186204 | 2020-08-18 | Active | SIOUX FALLS |
| HarPed, LLC | DL044925 | 2015-08-31 | Dissolved | BRUCE |
| Harpen Consulting LLC | DL315131 | 2025-12-05 | Active | Watertown |
| Harper Auction Company LLC | DL146865 | 2018-04-13 | Active | RAPID CITY |
| Harper Auction Service LLC | DL180002 | 2020-04-15 | Dissolved | Faith |
| HARPER ENTERPRISES, INC. | DB055058 | 2010-01-08 | Dissolved | WATERTOWN |
| Harper Global Enterprises Inc. | FB305475 | 2025-07-24 | Active | Alpharetta |
| HARPER HOTELS, INC. | 19630005F | 1963-02-12 | Withdrawn | — |
| Harper Houf Peterson Righellis, Inc. | FB281661 | 2024-08-23 | Active | Portland |
| HARPER LOGISTICS LLC | DL129514 | 2017-01-10 | Dissolved | WORTHING |
| Harper Media Agency LLC | DL255744 | 2023-07-31 | Active | Rapid City |
| HARPER POINT, LLC | DL018161 | 2009-01-26 | Inactive | SIOUX FALLS |
| HARPER TRUCKING, L.L.C. | DL002676 | 1999-12-29 | Dissolved | FAITH |
| Harpsten LLC | DL281445 | 2024-08-21 | Active | Sioux Falls |
| HARPSTER EMERGENCY DISASTER & MANAGEMENT SERVICES, LLC | DL018602 | 2009-03-30 | Dissolved | SIOUX FALLS |
| Harpster Engineering, LLC | DL287788 | 2024-11-25 | Active | BERESFORD |
| HARPSWELL BY THE SEA, INC. | 19630068D | 1963-06-05 | Active | — |
| HARPSWELL GARDEN CLUB | 19630012ND | 1963-01-24 | Active | — |
| HARPSWELL HOUSE, INC. | 19600066D | 1960-03-25 | Active | — |
| HARPSWELL NECK FIRE AND RESCUE, INC. | 19400005ND | 1940-02-07 | Active | — |
| HARPSWELL NECK PHYSICAL EDUCATION ASSOCIATION | 19650070ND | 1965-02-24 | Active | — |
| HARPSWELL SCOUTING ASSISTANCE ASSOCIATION, INC. | 19550031ND | 1955-06-24 | Active | — |
| Harpwood Productions LLC | DL040806 | 2014-10-22 | Dissolved | SIOUX FALLS |
| Harr & Lemme Commercial Real Estate, LLC | DL184309 | 2020-07-10 | Active | Sioux Falls |
| HARR & LEMME REAL ESTATE, INC. | DB042217 | 1999-12-28 | Active | SIOUX FALLS |
| HARR CONSTRUCTION, INC. | DB010748 | 1971-10-01 | Dissolved | — |
| Harr Farms, LLC | DL047691 | 2016-03-23 | Active | ABERDEEN |
| HARR MANAGEMENT, LLC | DL030619 | 2012-12-26 | Active | ABERDEEN |
| HARR MOTORS, INC. | DB019105 | 1979-10-02 | Active | ABERDEEN |
| HARR PROPERTY MANAGEMENT, INC. | DB046219 | 2002-12-19 | Active | SIOUX FALLS |
| Harr's Redfield Ford, LLC | DL132013 | 2017-03-30 | Inactive | REDFIELD |
| Harr's Towing, LLC | DL232812 | 2022-08-17 | Inactive | Aberdeen |
| HARR-LEMME DEVELOPMENT, INC. | DB038298 | 1997-03-06 | Active | SIOUX FALLS |
| HARR-LEMME HOLDINGS, L.L.C. | DL018019 | 2009-01-02 | Active | SIOUX FALLS |
| HARRAH'S OPERATING COMPANY, INC. | FB012988 | 1989-09-07 | Inactive | MEMPHIS |
| HARRASEEKET GRANGE, NUMBER NINE | 19200009ND | 1920-07-13 | Active | — |
| HARRASEEKET YACHT CLUB | 19480048ND | 1948-09-23 | Active | — |
| HARRELL PUBLICATIONS, INC. | DB033747 | 1993-12-20 | Inactive | — |
| Harrell's Car Wash Systems, Inc. | FB140344 | 2017-11-29 | Inactive | Indianapolis |
| HARRELL'S CAR WASH SYSTEMS, LLC | FL245474 | 2023-03-01 | Active | Tamarac |
| HARRELL'S, LLC | FL205993 | 2021-07-06 | Active | Lakeland |
| HARRELL, SALTRICK & HOPPER, P.C. | FB034203 | 2010-03-15 | Inactive | CHARLOTTE |
| HARRELSON HOLDINGS, INC. | FB021776 | 1998-09-14 | Inactive | FT MYERS |
| Harrier LLC | DL273916 | 2024-04-29 | Active | BROOKINGS |
| Harriet Investments, LLC | DL292009 | 2025-01-28 | Inactive | SIOUX FALLS |
| HARRIET ZOMBIE, LLC | DL019095 | 2009-06-08 | Dissolved | SIOUX FALLS |
| Harriet's Custom Cookies, LLC | DL257644 | 2023-08-29 | Dissolved | Sioux Falls |
| HARRIMAN ASSOCIATES | 19610002D | 1961-04-25 | Active | — |
| HARRIMAN WELDING LLC | DL028214 | 2012-05-17 | Suspended | Bowman |
| HARRINGTON & ASSOCIATES, LTD. | DB048357 | 2004-06-02 | Active | RAPID CITY |
| HARRINGTON CHIROPRACTIC, P.C. | DB043317 | 2000-10-16 | Active | DELL RAPIDS |
| Harrington Enterprises Ltd. | DB250288 | 2023-05-08 | Active | Sioux Falls |
| Harrington Group, Inc. | FB254481 | 2023-07-12 | Active | Duluth |
| HARRINGTON HEALTH SERVICES, INC. | FB026144 | 2002-04-10 | Revoked | WESTERVILLE |
| HARRINGTON HEIN, LLP | DR000228 | 1997-12-29 | Inactive | — |
| HARRINGTON INDUSTRIAL PLASTICS, LLC | FL001544 | 2003-03-20 | Revoked | CHINO |
| HARRINGTON RANCH, LLC | DL006233 | 2003-09-04 | Dissolved | STEAMBOAT SPRINGS |
| HARRINGTON RENTALS, LLC | DL006613 | 2003-12-10 | Dissolved | RAPID CITY |
| Harrington Transfer LLC | DL215424 | 2021-12-02 | Dissolved | WATERTOWN |
| Harrington Transport LLC | DL146090 | 2018-03-29 | Inactive | WATERTOWN |
| Harriott Contracting LLC | FL255233 | 2023-07-24 | Active | San Antonio |
| HARRIS & HARRIS OF KENTUCKY, INC. | FB019007 | 1996-05-30 | Revoked | LOUISVILLE |
| HARRIS & HARRIS, INCORPORATED | FB025378 | 2001-07-31 | Revoked | SHAWNEE |
| Harris & Harris, Ltd. | FB248711 | 2023-04-14 | Active | Chicago |
| Harris & Jacob Systems LLC | DL204774 | 2021-06-15 | Suspended | Sioux Falls |
| HARRIS ADACOM CORPORATION | FB014026 | 1990-12-17 | Revoked | DALLAS |
| HARRIS ADACOM NETWORK SERVICES, INC. | FB017055 | 1994-06-27 | Revoked | WILMINGTON |
| Harris American Company | FB221425 | 2022-02-24 | Active | CORDELE |
| HARRIS BANCORP INSURANCE SERVICES, INC. | FB026155 | 2002-04-12 | Inactive | CHICAGO |
| HARRIS CATTLE CO. | DF051859 | 2006-12-26 | Active | PLANKINTON |
| HARRIS CONSTRUCTION COMPANY, INC. D/B/A HARRIS CONSTRUCTION COMPANY OF KANSAS, INC. | FB024080 | 2000-07-07 | Revoked | LAWRENCE |
| HARRIS CONSTRUCTION, INC. | FB010125 | 1985-03-22 | Revoked | OAKES |
| Harris Construction, LLC | DL133901 | 2017-06-01 | Dissolved | Menno |
| HARRIS CONTRACTING LLC | DL030210 | 2012-11-28 | Active | HERMOSA |
| HARRIS CUSTOMER SUPPORT DIVISION, INC. | FB008472 | 1982-07-12 | Inactive | MELBOURNE |