| L&K Real Estate, Founding Construction, LLC | DL221716 | 2022-02-28 | Dissolved | RAPID CITY |
| L&K Real Estate, LLC | DL266221 | 2024-01-11 | Active | Chandler |
| L&K Resort, LLC | DL151924 | 2018-08-01 | Active | Gettysburg |
| L&K Woodworking and Design LLC | DL194199 | 2021-01-06 | Active | Summerset |
| L&L Christensen Ranch, LLC | DL173527 | 2019-11-26 | Active | Kennebec |
| L&L Conrad Enterprises, LLC | DL291799 | 2025-01-26 | Dissolved | Woonsocket |
| L&L ENTERPRISES OF SOUTH DAKOTA LLC | DL024883 | 2011-06-06 | Dissolved | REDFIELD |
| L&L Gumbo LLC | DL240417 | 2022-12-15 | Active | Watertown |
| L&L Holding Company Ltd II, LLC | DL148586 | 2018-05-22 | Dissolved | PIERRE |
| L&L Holding Company Ltd III, LLC | DL158805 | 2019-01-14 | Active | Pierre |
| L&L Holding Company Ltd, LLC | DL146487 | 2018-04-05 | Active | Pierre |
| L&L Home Inspection LLC | DL177206 | 2020-02-12 | Active | Rapid City |
| L&L Huron LLC | DL240487 | 2022-12-16 | Active | Watertown |
| L&L Iron Power LLC | DL272898 | 2024-04-15 | Active | Raymond |
| L&L MANISTIQUE INVESTMENT, LLC | DL028063 | 2012-05-02 | Dissolved | PIERRE |
| L&L Seeds, LLC | DL271171 | 2024-03-20 | Active | Watertown |
| L&L Services LLC | DL323526 | 2026-04-15 | Active | Sioux Falls |
| L&L Trucking, LLC | DL279289 | 2024-07-22 | Active | Sisseton |
| L&M ATM'S LLC | DL256929 | 2023-08-17 | Dissolved | Box Elder |
| L&M Cattle L.L.C. | DL245051 | 2023-02-23 | Inactive | Sturgis |
| L&M Holdings LLC | DL303292 | 2025-06-25 | Active | Rapid City |
| L&M RENTALS, LLC | DL010901 | 2006-03-16 | Active | ABERDEEN |
| L&M Roofing Solutions LLC | DL248242 | 2023-04-06 | Dissolved | hartford |
| L&M Trucking Inc. | DB059586 | 2014-11-26 | Active | KRANZBURG |
| L&MSD, LLC | DL227006 | 2022-05-13 | Active | WATERTOWN |
| L&N LINDEMAN, LLC | DL010218 | 2005-11-23 | Dissolved | MOBRIDGE |
| L&N Miller, LLC | DL287327 | 2024-11-18 | Active | Mud Butte |
| L&N PROPERTIES, LLC | DL154587 | 2018-10-01 | Inactive | SIOUX FALLS |
| L&O Rentals & RV Camping LLC | DL277791 | 2024-06-26 | Dissolved | Miller |
| L&P Solutions LLC | DL273615 | 2024-04-25 | Active | Belle Fourche |
| L&R Auto Accessories LLC | DL284998 | 2024-10-12 | Active | Watertown |
| L&R Lake Holdings LLC | DL331762 | 2026-06-22 | Active | Huron |
| L&R LLC | DL030893 | 2013-01-11 | Inactive | SPEARFISH |
| L&R Ratzlaff 4, LLC | DL226127 | 2022-05-02 | Active | Highmore |
| L&S AGENCY, INC. | DB041633 | 1999-07-13 | Active | GROTON |
| L&S Equestrian Lifestyles, LLC | DL281045 | 2024-08-14 | Active | Watertown |
| L&S Partnership, LLC | DL156520 | 2018-11-17 | Active | Pierre |
| L&S Properties of Milbank LLC | DL049790 | 2016-09-01 | Dissolved | ABERDEEN |
| L&S Properties of Redfield LLC | DL049791 | 2016-09-01 | Active | ABERDEEN |
| L&S Properties of Webster LLC | DL049793 | 2016-09-01 | Dissolved | ABERDEEN |
| L&S Ramsdell Holdings, LLC | DL128362 | 2016-12-06 | Inactive | Flandreau |
| L&S Rentals, LLC | DL048166 | 2016-04-25 | Active | Kimball |
| L&S Trailer Repair & Welding LLC | DL266248 | 2024-01-11 | Active | Rapid City |
| L&T Lakehouse, LLC | DL229097 | 2022-06-17 | Active | Brewster |
| L&T Rental HKOK LLC | DL148670 | 2018-05-23 | Dissolved | Sioux Falls |
| L&T RENTAL WBH LLC | DL148676 | 2018-05-23 | Dissolved | Sioux Falls |
| L&T Ventures LLC | DL235839 | 2022-10-11 | Dissolved | RENNER |
| L&W ENTERPRISES LLC | DL187424 | 2020-09-09 | Active | Spearfish |
| L&Y Auto LLC | DL326154 | 2026-04-16 | Active | siouxfalls |
| L'Affable LLC | DL206352 | 2021-07-13 | Active | Pierre |
| L'Agneau Crochet LLC | DL270995 | 2024-03-18 | Dissolved | Spearfish |
| L'ANGEL PROPERTIES, LLC | DL006520 | 2003-11-17 | Active | YANKTON |
| L'ASSOCIATION D'EPARGNES DE WATERVILLE | 19110000B | 1911-08-15 | Inactive | — |
| L'ASSOCIATION DES VIGILANTS | 19370030ND | 1937-10-06 | Canceled | — |
| L'Avance Capital and Real Estate, LLC | DL325109 | 2026-04-03 | Active | Deadwood |
| L'Chaim Meats, LLC | DL207422 | 2021-07-29 | Active | Hollywood |
| L'Homme MD, LLC | DL164623 | 2019-05-14 | Dissolved | Sioux Falls |
| L'OREAL USA S/D, INC. | FB027806 | 2003-10-16 | Active | NEW YORK |
| L, H & D BUILDING PARTNERSHIP, LLP | DR000473 | 2000-05-15 | Inactive | — |
| L, H, L, INC. | DB029842 | 1990-09-20 | Dissolved | ABERDEEN |
| L, LLC | DL027266 | 2012-02-21 | Dissolved | SPEARFISH |
| L, W, & B, L.L.C. | DL005011 | 2002-08-23 | Dissolved | CUSTER |
| L-1 SECURE CREDENTIALING, INC. | FB035149 | 2011-05-09 | Inactive | BILLERICA |
| L-1 SECURE CREDENTIALING, LLC | FL043221 | 2015-01-08 | Revoked | BILLERICA |
| L-C Property Care LLC | DL251545 | 2023-05-24 | Active | Sturgis |
| L-K PROMOTIONS, INC. | DB031216 | 1991-12-19 | Inactive | — |
| L-N-L CLEANING, INC. | DB045407 | 2002-05-02 | Dissolved | — |
| L-P-W, INC. | FB006672 | 1979-06-18 | Inactive | NEW BRIGHTON |
| L-T Equipment Repair, LLC | DL168973 | 2019-08-19 | Active | Vale |
| L-V LAND COMPANY, INC. | DB010856 | 1971-12-21 | Inactive | — |
| L-W INC. | DB032910 | 1993-04-09 | Inactive | — |
| L. & T., LLC | DL018613 | 2009-04-02 | Dissolved | MOBRIDGE |
| L. A. COLO & SONS, INC. | FB015654 | 1992-11-05 | Inactive | GENESEO |
| L. A. COLO & SONS, INC. | FB024851 | 2001-02-23 | Revoked | GENESEO |
| L. A. SERVICES INCORPORATED | DB035421 | 1995-02-16 | Inactive | — |
| L. A. XCESS INSURANCE BROKERS, INC. | FB033102 | 2008-12-01 | Inactive | LOS ANGELES |
| L. B. FOSTER RAIL TECHNOLOGIES, INC. | FB180739 | 2020-04-30 | Active | Pittsburgh |
| L. BERG, INC. | DB044430 | 2001-08-13 | Active | SIOUX FALLS |
| L. BERNARDINI CO., INC. | 19480041D | 1948-12-16 | Active | — |
| L. BLANCHETTE & SONS, INC. | 19600092D | 1960-06-17 | Active | — |
| L. Blindert, LLC | DL048733 | 2016-06-02 | Active | SALEM |
| L. Boomsma CPA Prof. LLC | DL044365 | 2015-07-09 | Active | HURON |
| L. BOOMSMA, CPA, PC | FB031417 | 2007-02-21 | Inactive | HURON |
| L. BRUNS CO | DB058402 | 2013-12-13 | Active | HARTFORD |
| L. C. ANDREW, INC. | 19610095D | 1961-08-29 | Dissolved | — |
| L. C. I., INC. | DB011335 | 1972-10-31 | Active | Watertown |
| L. C. NASH, INC. | DF012434 | 1974-08-02 | Dissolved | Prairie City |
| L. C. OIL CO. | DB035200 | 1994-12-28 | Inactive | — |
| L. Clapp Utility Services, LLC | DL043176 | 2015-05-01 | Dissolved | EDGEMONT |
| L. CONNOT PROPERTY, LLC | DA019055 | 2009-06-02 | Active | Clearfield |
| L. CONNOT PROPERTY, LLC | DL019055 | 2009-06-02 | Active | — |
| L. CRANSTON, INC. | DB034479 | 1994-06-09 | Dissolved | North Sioux City |
| L. CUSTEN REALTY, INC. | FB168309 | 2019-08-05 | Active | Houston |
| L. D. BRINKMAN & CO. (TEXAS), INC. | FB014947 | 1991-11-25 | Revoked | LEWISVILLE |
| L. E. C., INC. | DB028556 | 1989-07-13 | Active | GETTYSBURG |
| L. E. DAVIS LUMBER CO., INC. | 19510029D | 1951-07-25 | Dissolved | — |
| L. E. E., INC. | DB025424 | 1986-05-26 | Inactive | MITCHELL |
| L. E. ENTERPRISES, INC. | DB043257 | 2000-09-25 | Active | WATERTOWN |
| L. E. JUNG & WULFF CO., INC. | FB004375 | 1973-05-18 | Inactive | DALLAS |
| L. E. LINDSAY CONSTRUCTION CO. | FB015430 | 1992-08-03 | Revoked | ST LOUIS |
| L. E. MYERS CO. | FB006160 | 1977-12-05 | Active | Henderson |
| L. E. RICH, INC. | DB037223 | 1996-05-15 | Inactive | — |
| L. F. HALL DISTRIBUTING CO., INC. | 19640121D | 1964-05-27 | Dissolved | — |
| L. F. NOLL, INC. | FB029575 | 2005-04-25 | Active | SIOUX CITY |
| L. FRANK BAUM OZ FESTIVAL | NS010773 | 1997-05-12 | Dissolved | ABERDEEN |
| L. G. COOK DISTRIBUTOR, INC. | FB014552 | 1991-05-06 | Revoked | GRAND RAPIDS |
| L. G. EVERIST, INCORPORATED | FB000327 | 1920-04-01 | Inactive | SIOUX FALLS |
| L. GARCIA PROPERTIES, L.L.C. | DL004548 | 2002-03-11 | Dissolved | RAPID CITY |
| L. H. BOLDUC CO. INC. | FB004013 | 1972-04-03 | Revoked | ANOKA |
| L. H. S. INC. | 19650246D | 1965-08-31 | Canceled | — |
| L. H. SOWLES CO. | FB002223 | 1964-04-07 | Active | SHAKOPEE |
| L. H. THOMPSON INC. | 19570056D | 1957-04-25 | Suspended | — |
| L. H. WENTWORTH, INC. | 19650114D | 1965-07-09 | Active | — |
| L. Huber Holdings LLC. | DL219066 | 2022-01-25 | Active | Rapid City |
| L. J. HEALTHCARE CORPORATION | DB044703 | 2001-11-08 | Inactive | — |
| L. J. S. CORPORATION | DF027871 | 1988-11-21 | Inactive | — |
| L. J. WALKER & ASSOCIATES, INC. | DB021088 | 1981-11-04 | Inactive | — |
| L. K. COMSTOCK & COMPANY, INC. | FB004167 | 1972-09-27 | Inactive | NEW YORK |
| L. L. BEAN, INC. | 19340021D | 1934-11-27 | Active | — |
| L. L. BRADBURY CORPORATION | 19380014D | 1938-01-13 | Dissolved | — |
| L. L. HATLE, INC. | FB016052 | 1993-05-03 | Revoked | RAPID CITY |
| L. Lenae Designs & Floral LLC | DL045673 | 2015-10-30 | Active | CASTLEWOOD |
| L. M. BERRY AND COMPANY | FB017702 | 1995-03-09 | Inactive | TUCKER |
| L. M. C., INCORPORATED | DB035285 | 1995-01-13 | Inactive | — |
| L. M. OLSON, INC. | FB024940 | 2001-03-21 | Revoked | RAWLINS |
| L. MARQUARDT ELECTRIC, INC. | DB021070 | 1981-10-29 | Active | WATERTOWN |
| L. N. AREND INSURANCE AGENCY, INC. | DB015110 | 1978-03-10 | Dissolved | — |
| L. O. Interiors, LLC | DL035444 | 2013-10-15 | Active | Hot Springs |
| L. P. KNOTT CO., INC. | DB001099 | 1960-06-27 | Dissolved | — |
| L. P. L., INC. | DB003060 | 1963-01-16 | Dissolved | — |
| L. P. MACK FARM, INC. | DB047700 | 2003-12-30 | Active | WATERTOWN |
| L. QUALM & SONS, INC. | DF013551 | 1976-04-30 | Active | PLATTE |
| L. R. & J. L. FRENCH, INC. | 19600100D | 1960-04-11 | Dissolved | — |
| L. R. FOY CONSTRUCTION CO., INC. | FB001395 | 1959-09-14 | Revoked | HUTCHINSON |
| L. R. HIGGINS, INC. | 19570061D | 1957-01-31 | Active | — |
| L. R. SMITH & CO. | 19200009D | 1920-07-02 | Dissolved | — |
| L. RAY PACKING COMPANY | 19590117D | 1959-05-25 | Active | — |
| L. S. THORSEN CORPORATION | 19410008D | 1941-07-26 | Active | — |
| L. S. YOUNGBLOOD COMPANY | FB002758 | 1966-11-23 | Inactive | OKLAHOMA CITY |
| L. SCHULTZ LLC | DL035051 | 2013-09-17 | Active | TULARE |
| L. STROUD, INC. | FB015824 | 1993-01-26 | Revoked | ST JOSEPH |
| L. T. E. ASSOCIATES, INC. | DB012919 | 1975-06-04 | Dissolved | SPEARFISH |
| L. T. P. ENTERPRISES, INC. | FB005278 | 1976-03-31 | Revoked | FARGO |
| L. W. BAXTER, LLC | DL020689 | 2010-01-28 | Dissolved | KIMBALL |
| L. W. C. AGENCY, INC. | FB016784 | 1994-03-18 | Revoked | UNIONDALE |
| L. W. HASKELL CO. | 19630100D | 1963-12-24 | Active | — |
| L.A. AMUNDSON INVESTMENTS, INC. | DB028899 | 1989-11-21 | Active | Sioux Falls |
| L.A. CARLSON CONTRACTING, INC. | FB035600 | 2011-12-05 | Active | Hinton |
| L.A. COLO, LLC | FL003734 | 2007-09-19 | Revoked | HOUSTON |
| L.A. Construction, LLC | DL230886 | 2022-07-20 | Active | Yankton |
| L.A. FUESS PARTNERS, INC. | FB033433 | 2009-04-27 | Active | DALLAS |
| L.A. GRAY CO. | 19600088D | 1960-03-23 | Active | — |
| L.A. GREENE, LLC | DL035483 | 2013-10-17 | Dissolved | BERESFORD |
| L.A. RESTAURANTS, INC. | DB036528 | 1995-12-13 | Inactive | — |
| L.A. Shuck & Sons, Inc. | DB059749 | 2015-01-16 | Active | UNION CENTER |
| L.A. WATER INTERNATIONAL, INC. | DB020884 | 1981-08-12 | Dissolved | — |
| L.A. XCESS INSURANCE BROKERS, INC. | FB029483 | 2005-03-22 | Revoked | STUDIO CITY |
| L.A. YOUTH CENTER, INC. | NS012447 | 2003-12-08 | Inactive | — |
| L.A.A.P. INVESTMENT CO. | DB023761 | 1984-09-24 | Inactive | — |
| L.A.B. 49 INC. | DB215992 | 2022-01-03 | Active | LOS ANGELES |
| L.A.C., INCORPORATED | DB048455 | 2004-06-28 | Inactive | — |
| L.A.F.F./LIBERAL ARTS FESTIVAL FOUNDATION | NS009931 | 1993-09-10 | Inactive | — |
| L.A.K.E. Investments L.L.C. | DL045133 | 2015-09-15 | Dissolved | Lady Lake |
| L.A.M., LLC | DL326049 | 2026-04-14 | Active | Brandon |
| L.A.W. Automation LLC | DL228368 | 2022-06-06 | Dissolved | Sioux Falls |
| L.A.W. Construction, LLC | DL138409 | 2017-10-13 | Active | Tea |
| L.B. In, LLC | DL206540 | 2021-07-15 | Active | Glencross |
| L.B. JARK GRAIN COMPANY, L.L.C. | DL005227 | 2002-11-07 | Active | STRATFORD |
| L.B. LAND, INC. | DF026121 | 1987-02-10 | Dissolved | — |
| L.B. Odland LLC | DL259391 | 2023-09-22 | Active | Mitchell |
| L.B.J. PROPERTIES, L.L.C. | DL017631 | 2008-10-30 | Active | RAPID CITY |
| L.C. Companies, LLC | DL283791 | 2024-09-25 | Active | Fort Pierre |
| L.C. KRUSE & SONS, INC. | FB005752 | 1977-01-21 | Inactive | LAKEFIELD |
| L.C.S., INC. | DB020255 | 1980-12-22 | Inactive | — |
| L.C.S., L.L.C. | DL001834 | 1998-08-31 | Dissolved | RAPID CITY |
| L.C.Schroeder Land Sales LLC | DL190089 | 2020-10-26 | Active | Alexandria |
| L.C.T.D., INC. | DB023178 | 1984-02-23 | Dissolved | PIEDMONT |
| L.D. HAVLIK & ASSOCIATES, INC. | FF013565 | 1990-05-07 | Revoked | HOUSTON |
| L.D. HAVLIK & ASSOCIATES, INC. | FF011748 | 1987-10-19 | Revoked | HOUSTON |
| L.E.A.D. INC. | FN191373 | 2020-11-16 | Active | ALLENTOWN |
| L.E.E.P., L.L.C. | DL006410 | 2003-10-20 | Dissolved | — |
| L.E.M., INC. | DB042342 | 2000-01-18 | Active | Aberdeen |
| L.F. & COMPANY, INC. | DB048519 | 2004-07-19 | Inactive | — |
| L.F. ROTHSCHILD, UNTERBERG, TOWBIN, INC. | FB010628 | 1985-12-30 | Revoked | NEW YORK |
| L.F. STACEY & SONS, INC. | 19590187D | 1959-12-31 | Suspended | — |
| L.F.C. VETERINARY SERVICE, LLC | DL037546 | 2014-02-21 | Active | CUSTER |
| L.G. BARCUS AND SONS INC. | FB007356 | 1980-10-03 | Active | Kansas City |
| L.G. DRYWALL, INC. | DB044209 | 2001-06-08 | Inactive | — |
| L.G. Everist, Incorporated | DB178472 | 2020-03-09 | Active | SIOUX FALLS |
| L.G. FLOORING, LLC | DL244466 | 2023-02-14 | Active | Michell |
| L.G. GUNNER, DOCTOR OF DENTAL SURGERY, P.C. | DB019368 | 1980-01-02 | Dissolved | WINNER |
| L.G. INC. OF SO. DAK. | DB023482 | 1984-05-28 | Inactive | — |
| L.G. PIKE CONSTRUCTION CO., INC. | FB031795 | 2007-06-29 | Active | ARKANSAS CITY |
| L.G. SOLUTIONS, LLC | DL029272 | 2012-08-30 | Inactive | ST-LIN-LAURENTIDES |
| L.G., INC. | FB035656 | 2011-12-27 | Revoked | CHEYENNE |
| L.G.F. INC. | DB014694 | 1977-09-27 | Inactive | — |
| L.I. Solutions LLC | DL293331 | 2025-02-14 | Dissolved | Sioux Falls |
| L.I.F.E. ASSOCIATION, INC. | FN011252 | 2011-06-06 | Active | Plano |
| L.I.G., LLC | DL285824 | 2024-10-25 | Active | GRENVILLE |
| L.I.W. WILDERNESS TRAIL ASSOCIATION, INC. | NS011261 | 1999-05-10 | Dissolved | DE SMET |