| Lennox Jack Lapsley Foundation | NS236785 | 2022-10-16 | Active | Winner |
| LENNOX JAYCEES | NS002316 | 1968-07-01 | Inactive | — |
| LENNOX LIFE ENRICHMENT FOR THE ELDERLY COMMITTEE, INC. | NS006245 | 1977-05-19 | Dissolved | LENNOX |
| LENNOX LOGISTICS, LLC | DL028179 | 2012-05-14 | Dissolved | LENNOX |
| LENNOX MALL, LLC | DL012639 | 2006-12-07 | Inactive | SIOUX FALLS |
| Lennox Municipal Band | NS291347 | 2025-01-18 | Active | Lennox |
| LENNOX PR, INC. | DB045060 | 2002-02-04 | Dissolved | LENNOX |
| LENNOX PRESBYTERIAN CHURCH | CH003105 | 1981-12-28 | Dissolved | — |
| LENNOX PROPERTIES, LLC | DL012915 | 2007-01-08 | Active | LENNOX |
| Lennox Real Estate, L.L.C. | DL039026 | 2014-06-02 | Active | CANISTOTA |
| Lennox RV and Boat Storage, LLC | DL191850 | 2020-11-25 | Active | Lennox |
| LENNOX SHOW PRINT, INC. | DB043615 | 2001-01-02 | Dissolved | LENNOX |
| LENNOX SQUARE CB, LLC | DL029785 | 2012-10-24 | Inactive | SIOUX FALLS |
| LENNOX VETERINARY CLINIC, LTD. | DB038951 | 1997-08-27 | Inactive | — |
| LENNOX VOLUNTEER FIRE DEPARTMENT | NS000683 | 1964-03-05 | Active | LENNOX |
| LENNY BURLAGE REALTY AND AUCTION, INC. | DB042138 | 1999-12-13 | Active | Elkton |
| LENNY'S BARGAINS, LLC | DL026567 | 2011-12-16 | Inactive | W HAMILTON |
| LENNY'S REMODEL ETC, INC. | DB051274 | 2006-06-29 | Dissolved | PIERRE |
| LENORE'S LINGERIE, INC. | FB009579 | 1984-05-21 | Revoked | SIOUX CITY |
| LENOVO (UNITED STATES) INC. | FB029430 | 2005-03-03 | Active | Morrisville |
| LENOVO CONNECT (UNITED STATES) INC. | FB128451 | 2016-12-07 | Active | Morrisville |
| LENOVO GLOBAL FINANCIAL SERVICES (UNITED STATES) INC. | FB251524 | 2023-05-24 | Active | Morrisville |
| LENOVO GLOBAL TECHNOLOGY (UNITED STATES) INC. | FB039519 | 2016-08-23 | Active | Morrisville |
| LENOX FINANCIAL MORTGAGE CORPORATION, DBA WESLEND FINANCIAL CORP. | FB031593 | 2007-04-25 | Inactive | IRVINE |
| LENOX FINANCIAL MORTGAGE, LLC | FL003056 | 2006-08-10 | Revoked | ATLANTA |
| LENSAM, INC. | DB030669 | 1991-05-20 | Inactive | — |
| LENSAR, INC. | FB308909 | 2025-09-09 | Active | ORLANDO |
| Lenser LLC | DL222728 | 2022-03-15 | Dissolved | Sioux Falls |
| Lensfolk Photography LLC | DL296976 | 2025-04-02 | Suspended | SIOUX FALLS |
| LENT & KESSEL HOLDINGS | DT000082 | 2006-03-27 | Active | — |
| LENTSCH COMPANIES, INC. | DB042482 | 2000-02-28 | Inactive | — |
| LENTSCH PROPERTIES, LLC | DL127736 | 2016-11-14 | Dissolved | Chester |
| Lentz's Mobile Washing & Detailing LLC | DL201600 | 2021-04-23 | Suspended | Canistota |
| LENTZ, INC. | DB048322 | 2004-05-24 | Inactive | — |
| LENVAR IMPORT/EXPORT LLC | DL004135 | 2001-10-15 | Inactive | — |
| LenX LLC | DL238444 | 2022-11-11 | Dissolved | Watertown |
| LENZ INSURANCE & REAL ESTATE, INC. | FB028026 | 2003-12-18 | Active | BREDA |
| LENZ THERAPEUTICS, INC. | FB234158 | 2022-09-07 | Active | Solana Beach |
| LenzFree LLC | DL216146 | 2021-12-10 | Dissolved | Oceanside |
| LEO & ARI LLC | DL236315 | 2022-10-07 | Dissolved | Watertown |
| Leo A. Daly LLC | FL271556 | 2024-03-26 | Active | Omaha |
| Leo and Son LLC | DL167298 | 2019-07-14 | Dissolved | rapid city |
| LEO ARIES ENTERPRISES, INC. | FB020043 | 1997-05-01 | Revoked | ABERDEEN |
| LEO DESIGNS FINANCE, LIMITED PARTNERSHIP | DP002266 | 2011-11-17 | Active | MADISON |
| Leo Enterprises and Exchanges, LLC | DL241149 | 2022-12-29 | Active | Sioux Falls |
| LEO F. POULIN CO. | 19620090D | 1962-12-14 | Suspended | — |
| Leo Food LLC | DL188304 | 2020-09-25 | Active | Sioux Falls |
| Leo Greenberg Insurance, LLC | DL237851 | 2022-11-02 | Active | Pierre |
| LEO HAMM FAMILY RANCH, L.L.C. | DA000336 | 1994-12-30 | Active | RAPID CITY |
| LEO HOLDINGS LLC | DL129139 | 2016-12-29 | Dissolved | SIOUX FALLS |
| Leo LLC | DL173425 | 2019-11-23 | Active | Sioux Falls |
| LEO MANAGEMENT LLC | DL289512 | 2024-12-20 | Active | Spearfish |
| LEO PELLICCIOTTI IRREVOCABLE LIFE INSURANCE TRUST 2006-1 | DT000120 | 2007-02-12 | Active | — |
| LEO PROPERTIES, LLC | DL004569 | 2002-03-21 | Active | SIOUX FALLS |
| LEO STAR MARKET LLC | DL299920 | 2025-05-08 | Active | SIOUX FALLS |
| Leo Strength & Performance, LLC | DL036691 | 2013-12-30 | Active | Sioux Falls |
| Leo Strength, LLC | DL036071 | 2013-11-25 | Suspended | — |
| LEO UNIT #48, AMERICAN LEGION AUXILIARY | NS013877 | 2008-11-10 | Active | ROSHOLT |
| LEO WOLK COMPANY | FB015194 | 1992-04-13 | Inactive | MINNEAPOLIS |
| Leo's Auto Repair LLC | DL285000 | 2024-10-11 | Dissolved | Custer |
| LEO'S GOOD FOOD, INC. | DB036532 | 1995-12-14 | Active | REDFIELD |
| Leo's Legacy | NS221380 | 2022-02-23 | Active | BRANDON |
| LEO'S LEGACY, LLC | DL013117 | 2007-02-02 | Inactive | MITCHELL |
| LEO'S RESTAURANT LLC | DL027956 | 2012-04-23 | Inactive | SIOUX FALLS |
| LEO'S SPORTS BAR & GRILL, L.L.C. | DL004389 | 2002-01-22 | Active | VERMILLION |
| LEOGC, LLC | DL129112 | 2016-12-28 | Dissolved | Watertown |
| LEOLA ALANO SOCIETY, INC. | NS009841 | 1993-04-22 | Dissolved | LEOLA |
| LEOLA AREA JAYCEES | NS005692 | 1974-12-18 | Inactive | — |
| LEOLA AREA THEATER, INC. | NS008052 | 1985-03-07 | Dissolved | LEOLA |
| Leola ArtsC Council, Incorporated | NS156427 | 2018-11-15 | Dissolved | Leola |
| LEOLA COMMUNITY ADVANCEMENT COMMITTEE | NS012921 | 2005-08-26 | Active | LEOLA |
| Leola Community Fireworks Association, Inc. | NS135989 | 2017-08-16 | Active | IPSWICH |
| LEOLA COUNTRY CLUB | NS000027 | 1958-04-03 | Inactive | — |
| Leola Data Center, LLC | FL278803 | 2024-07-15 | Active | ISSAQUAH |
| LEOLA DEVELOPMENT CORPORATION | DB003584 | 1964-03-26 | Active | Leola |
| LEOLA EQUITY EXCHANGE | CO000159 | 1912-08-12 | Inactive | — |
| LEOLA INVESTMENT LLC | DL303478 | 2025-06-29 | Active | HERMOSA |
| LEOLA LIVESTOCK, INC. | DB019742 | 1980-05-28 | Inactive | — |
| LEOLA PARK, LLC | DL319874 | 2026-02-03 | Active | Silver City |
| Leola Proud | NS293829 | 2025-02-21 | Dissolved | Watertown |
| LEOLA REAL ESTATE INCORPORATED | DB003872 | 1964-11-16 | Dissolved | — |
| LEOLA RURAL FIRE PROTECTION DISTRICT | PF000022 | 1989-03-24 | Active | — |
| LEOLA SENIOR CITIZEN CENTER | NS006058 | 1976-07-28 | Dissolved | LEOLA |
| LEOLA SPORTMEN'S CLUB, INC. | NS000817 | 1965-05-05 | Active | Leola |
| LEOLA TRAILRIDERS, INC. | NS005734 | 1975-03-07 | Active | LEOLA |
| LEOLA UNITED METHODIST CHURCH LEOLA, SOUTH DAKOTA | CH000072 | 1959-05-05 | Active | LEOLA |
| Leola Volunteer Ambulance Service Inc. | NS192411 | 2020-12-07 | Active | LEOLA |
| Leola Volunteer Fire Department, Inc. | NS192414 | 2020-12-07 | Dissolved | LEOLA |
| LEOLA WIND FARM, LLC | FL157698 | 2018-12-18 | Active | Bloomington |
| LEOLA, SD | CI000079 | 1919-05-01 | Active | — |
| Leoland, LLC | DL241154 | 2022-12-29 | Active | Elkhorn |
| LEON ADVERTISING LLC | DL263568 | 2023-12-01 | Dissolved | VERMILLION |
| LEON AND NADINE HASKINS LIMITED PARTNERSHIP | DP001121 | 1999-12-30 | Active | — |
| Leon Companies, LLC | DL170791 | 2019-09-27 | Inactive | Sioux Falls |
| Leon Garrett Agency LLC | DL304744 | 2025-07-16 | Active | Pierre |
| Leon Holdings, LLC | DL240278 | 2022-12-13 | Active | Rapid City |
| Leon Martin Properties LLC | DL044639 | 2015-08-07 | Active | HERMOSA |
| LEON'S CAR WASH LIMITED PARTNERSHIP | DP000174 | 1990-07-05 | Inactive | — |
| LEON'S CLEANING SERVICE, LLC | DL019032 | 2009-05-29 | Dissolved | WATERTOWN |
| LEON'S FLOOR COVERING, INC. | DB053111 | 2007-12-31 | Dissolved | SIOUX FALLS |
| LEON'S MFG. CO. LTD. | FB006885 | 1979-12-10 | Revoked | YORKTON |
| Leona Farms LLC | DL266130 | 2024-01-10 | Dissolved | Frederick |
| LEONARD & PROEHL, PROF. L.L.C. | DL006660 | 2003-12-15 | Inactive | — |
| LEONARD BLUE MASONRY, INC. | DB027779 | 1988-10-19 | Inactive | — |
| LEONARD CONSTRUCTION COMPANY | 19660030F | 1966-06-20 | Withdrawn | — |
| LEONARD CONSTRUCTION, INC. | DB047803 | 2004-01-14 | Inactive | — |
| Leonard Designs, LLC | DL261973 | 2023-11-06 | Active | Sioux Falls |
| LEONARD DIEGNAU CORPORATION | FB018524 | 1995-12-28 | Inactive | MANKATO |
| LEONARD DIEGNAU CORPORATION | FB012781 | 1989-06-02 | Inactive | NORTH MANKATO |
| Leonard Funeral Home, Inc. | DB214513 | 2021-12-01 | Dissolved | Ipswich |
| Leonard Goetz Family Farms, LLC | DL151089 | 2018-07-16 | Inactive | Aberdeen |
| Leonard Houses, LLC | DL255924 | 2023-08-02 | Active | Sioux Falls |
| LEONARD INSURANCE SERVICES AGENCY, INC. | FB020118 | 1997-05-27 | Inactive | Lake Mary |
| Leonard Investments Dell Rapids, LLC | DL231640 | 2022-07-29 | Inactive | Colton |
| Leonard Investments PL, LLC | DL136484 | 2017-08-29 | Active | Colton |
| LEONARD INVESTMENTS, L.L.C. | DL002191 | 1999-04-07 | Active | Colton |
| LEONARD KAUFMAN INSURANCE, INC. | FB013491 | 1990-03-30 | Inactive | BILLINGS |
| LEONARD LAND AND CATTLE COMPANY, LLC | DL020516 | 2009-12-31 | Inactive | NEWELL |
| LEONARD LOUIS HEALTHCARE MT, LLC | FL006483 | 2012-09-10 | Active | Minneapolis |
| LEONARD LOUIS HEALTHCARE PROPERTIES, LLP | FR000172 | 2006-11-22 | Revoked | MINNEAPOLIS |
| LEONARD M. GUTNIK, M.D.,PROF.L.L.C. | DL006836 | 2004-01-20 | Inactive | SIOUX FALLS |
| Leonard Masonry Acquisition, LLC | FL278410 | 2024-07-08 | Active | Hazelwood |
| Leonard Offices, LLC | DL255926 | 2023-08-02 | Active | Sioux Falls |
| Leonard Restaurants of South Dakota, LLC | DL170113 | 2019-09-12 | Active | Elkhorn |
| Leonard Rice Consulting Water Engineers, Inc. | FB244679 | 2023-02-17 | Active | Denver |
| LEONARD STUDIO, INC. | DB009698 | 1969-06-18 | Dissolved | MOBRIDGE |
| Leonard Trucking LLC | DL267978 | 2024-02-06 | Active | LaBolt |
| Leonard Weil LLC | DL200074 | 2021-04-02 | Active | Sioux Falls |
| Leonard's Repair LLC | DL243420 | 2023-01-31 | Active | Hill City |
| LEONARD, L.L.P. | DR000433 | 1999-12-16 | Active | SIOUX FALLS |
| LEONARD, L.L.P. | DR000075 | 1996-08-26 | Inactive | — |
| LEONARD, STREET AND DEINARD PROFESSIONAL ASSOCIATION | FB014375 | 1991-03-20 | Inactive | MINNEAPOLIS |
| Leonardo Da Vinci University of Fine Art, Science, Invention, and Entertainment | NS049497 | 2014-10-27 | Dissolved | LAKEVILLE |
| LEONARDO DICAPRIO FOUNDATION | FN151653 | 2018-07-27 | Inactive | Culver City |
| Leonardo US Cyber and Security Solutions, LLC | FL281291 | 2024-08-19 | Active | Greensboro |
| Leonas Corp. | DB060902 | 2016-05-20 | Dissolved | GRAND JUNCTION |
| Leonas Kitchen LLC | DL285266 | 2024-10-17 | Active | New Underwood |
| LEONCIO AUTO LLC | DL284569 | 2024-10-07 | Active | SIOUX FALLS |
| Leondoor LLC | DL185256 | 2020-07-29 | Active | Coral Gables |
| Leone Advisors LLC | DL189094 | 2020-10-08 | Active | Rapid City |
| LEONE ELECTRIC COMPANY LLC | FL196554 | 2021-02-11 | Inactive | CLIFTON |
| LEONEL OgsirsLG LLC | DL279996 | 2024-07-29 | Dissolved | Rapid City |
| Leones' Creamery, LLC | DL038970 | 2014-05-27 | Active | SPEARFISH |
| Leonhardt Ventures, LLC | DL308640 | 2025-09-05 | Active | Spearfish |
| LEONILDE, LLC | DL028959 | 2012-07-30 | Dissolved | LANGLEY |
| Leonne online LLC | DL312857 | 2025-11-03 | Active | Sioux falls |
| Leonnetic LLC | DL185207 | 2020-07-28 | Dissolved | BOX ELDER |
| Leons Ins Holdings, LLC | DL293814 | 2025-02-21 | Active | Pierre |
| Leons SoDa LLC | DL316113 | 2025-12-19 | Active | Pierre |
| LEONS SODA SPE LLC | DL317777 | 2026-01-12 | Active | Pierre |
| Leopard Enterprises, LLC | DL035771 | 2013-11-25 | Active | Watertown |
| LEOPOLD BROS., LLC | DL038225 | 2014-04-07 | Active | HERON LAKE |
| LEOPOLD FOODS, INC. | DB050867 | 2006-03-20 | Dissolved | DAKOTA DUNES |
| LEOPOLD TRADING, LLC | DL010917 | 2006-03-17 | Dissolved | DAKOTA DUNES |
| LEORON COMPANY | DB030916 | 1991-08-30 | Dissolved | MT AUKUM |
| Leos Construction LLC | DL147514 | 2018-04-29 | Active | Willow Lake |
| LeoTech LLC | FL315095 | 2025-12-04 | Active | wilmington |
| LeOuiOui LLC | DL322986 | 2026-03-10 | Active | Sioux Falls |
| LEP Properties LLC | DL040838 | 2014-10-27 | Dissolved | WATERTOWN |
| LEPERA MARKETING, INC. | DB046261 | 2002-12-26 | Inactive | — |
| LEPERCQ, DE NEUFLIZE SECURITIES INC. | FB022404 | 1999-04-02 | Inactive | NEW YORK |
| LePetomane Properties, LLC | FL284074 | 2024-09-30 | Active | Harrisburg |
| Lepine Performance LLC | DL165731 | 2019-06-07 | Dissolved | Sioux Falls |
| Lepird Drywall LLC | FL265001 | 2023-12-22 | Revoked | West Fargo |
| Lepke Restaurants, LLC | DL167192 | 2019-07-11 | Active | Mitchell |
| LepkeCo LLC | DL285563 | 2024-10-23 | Active | Mitchell |
| LEPO, NIPE, AND KLIMA LLC | DL027316 | 2012-02-23 | Inactive | WATERTOWN |
| Lepri-Chem LLC | DL258772 | 2023-09-14 | Active | Mitchell |
| LERAAS, INC. | DB054802 | 2009-09-21 | Active | BROOKINGS |
| LEREW CONSTRUCTION, L.L.C. | DL013817 | 2007-05-04 | Dissolved | SPEARFISH |
| LEREW CWS, LLC | DL243857 | 2023-02-07 | Active | ST. LAWRENCE |
| Lerew Psychological Services, LLC | DL040217 | 2014-09-05 | Active | Spearfish |
| LERMENY LAND AND CATTLE, INC. | DF026971 | 1987-12-22 | Active | Buffalo |
| LERMENY LIVESTOCK, INC. | DF051945 | 2007-01-16 | Active | Newell |
| Lermeny Ranch Outfitters LLC | DL290792 | 2025-01-10 | Active | Reva |
| LERMENY RANCHES, INC. | DB023516 | 1984-06-13 | Active | REVA |
| LERNER NEW YORK, INC. | FB010150 | 1985-04-01 | Revoked | NEW YORK, |
| LERNER NEW YORK, INC. | FB029876 | 2005-08-15 | Revoked | New York |
| LERNER SHOPS, INC. | FB006188 | 1977-12-28 | Inactive | NEW YORK |
| LeRoi Galt, Limited Partnership | DP238117 | 2022-11-07 | Active | BOX ELDER |
| LERON FINANCIAL SERVICES, INC. | FB014455 | 1991-04-08 | Revoked | LINCOLN |
| LEROY AND JOYCE BERGAN LLP | DR001513 | 2012-11-16 | Active | Sioux Falls |
| LEROY ENTERPRISES, LTD. | DB036826 | 1996-02-12 | Inactive | — |
| LEROY ERICKSON AGENCY, INC. | DB015166 | 1978-03-31 | Dissolved | — |
| LEROY HOTEL PROPERTIES, INC. | DB041620 | 1999-07-08 | Inactive | — |
| Leroy Purchases Foster LLC | DL327254 | 2026-04-28 | Active | Minneapolis |
| LEROY Tech LLC | DL278915 | 2024-07-16 | Revoked | SIOUX FALLS |
| LEROY THORSTAD, INC. | FB018692 | 1996-02-26 | Revoked | HOFFMAN |
| LEROY'S MENAGERIE LLC | DL256175 | 2023-08-07 | Active | Mitchell |
| LEROY'S TOWING, L.L.C. | DL020337 | 2009-12-08 | Dissolved | CAPUTA |
| Leroys Towing LLC | DL135094 | 2017-07-18 | Dissolved | Rapid |
| LERWICK HOME FURNISHINGS, INC. | DB029466 | 1990-05-07 | Inactive | — |
| Les & Jackie Farms, LLP | DR314748 | 2025-12-01 | Active | LEAD |
| LES Building, LLC | DL039534 | 2014-07-10 | Dissolved | Gettysburg |
| Les Encres, LLC | DL152646 | 2018-08-17 | Inactive | Lenoir City |
| LES HAMMER RIDING STABLE, INC. | DB019951 | 1980-08-18 | Inactive | — |
| LES KRUSE AGENCY, INC. | DB046183 | 2002-12-12 | Dissolved | SIOUX FALLS |
| LES NELSON CONSTRUCTION CO. | FB005774 | 1977-02-18 | Revoked | CLEAR LAKE |
| Les Punt Associate LLC | DL295922 | 2025-03-19 | Dissolved | Mitchell |
| Les Schwab Tire Centers of Nevada, LLC | FL241878 | 2023-01-11 | Active | Bend |