| BUCKHORN INVESTMENT CO., L.L.C. | FL000140 | 1996-09-05 | Inactive | ARLINGTON |
| BUCKHORN MOTORS ENTERPRISES, L.L.C. | DL007526 | 2004-06-25 | Inactive | CUSTER |
| BUCKHORN MOTORS, L.L.C. | DL005580 | 2003-02-25 | Dissolved | — |
| BUCKHORN MOUNTAIN CORPORATION | DB016476 | 1979-03-09 | Dissolved | SIOUX FALLS |
| BUCKHORN MOUNTAIN ESTATES ROAD DISTRICT | DM009763 | 2010-10-01 | Active | CUSTER |
| BUCKHORN MOUNTAIN MOTORS LLC | DL031268 | 2013-02-11 | Dissolved | CUSTER |
| Buckhorn Mountain Ranch, LLC | DL301014 | 2025-05-23 | Active | Custer |
| Buckhorn Rodeo Association, Inc | DB296096 | 2025-03-21 | Active | BRITTON |
| BUCKHORN SURVEYING, INC. | DB049468 | 2005-03-24 | Dissolved | CUSTER |
| Buckhouse LLC | DL305474 | 2025-07-24 | Active | Sioux Falls |
| Buckin' Wild Ranch, LLC | DL136928 | 2017-09-12 | Active | Flandreau |
| Bucking Bulls, LLC | DL226757 | 2022-05-10 | Active | Vermillion |
| BUCKINGHAM RENTAL COMPANY, INC. | DB003782 | 1964-08-18 | Dissolved | — |
| BUCKINGHAM WOOD PRODUCTS, INC. | DB002455 | 1954-12-29 | Active | RAPID CITY |
| buckle bunny boutique LLC | DL236530 | 2022-10-11 | Dissolved | Mitchell |
| BUCKLE CREEK BACKHOE, INC. | DB052044 | 2007-02-15 | Dissolved | WANBLEE |
| Buckley Consulting Services LLC | DL324620 | 2026-03-30 | Active | Watertown |
| BUCKLEY MILLS RECORDS LLC | DL136726 | 2017-09-05 | Inactive | NORTH SIOUX CITY |
| BUCKLEY POWDER CO. | FB036534 | 2013-01-29 | Active | Englewood |
| BUCKLEY TRUCKING, INC. | DB021188 | 1981-12-23 | Inactive | — |
| BUCKLEY TRUCKING, INC. | DB057121 | 2012-08-22 | Dissolved | WINNER |
| Bucklin Builders, LLC | FL164745 | 2019-05-16 | Revoked | Sisseton |
| BUCKLIN BUILDINGS, LLC | DL029122 | 2012-08-16 | Dissolved | SISSETON |
| Buckline LLC | DL330705 | 2026-06-08 | Active | AGAR |
| Buckly graphic design and marketing LLC | DL273848 | 2024-04-28 | Active | Watertown |
| Buckman Construction LLC | DL041551 | 2014-12-17 | Active | VERMILLION |
| BUCKMAN-MITCHELL, INC. | FB022382 | 1999-03-26 | Revoked | VISALIA |
| BUCKMASTER AND MACY, LLP | DR000148 | 1997-04-29 | Inactive | — |
| BUCKMASTER LAW OFFICES, PC | DB047089 | 2003-07-10 | Dissolved | Spearfish, |
| BUCKMASTER, INC. | FB027935 | 2003-11-21 | Revoked | STERLING |
| BUCKN GATOR LLC | DL028875 | 2012-07-23 | Dissolved | RAPID CITY |
| BUCKNEBERG FARMS LLC | DL175106 | 2020-01-01 | Dissolved | CENTERVILLE |
| BUCKNELL "R" ENTERPRIZES, LLC | DL012946 | 2007-01-11 | Dissolved | WENTWORTH |
| BUCKNER HEAVYLIFT CRANES LLC | FL002370 | 2005-05-03 | Revoked | GRAHAM |
| Buckner Heavylift Cranes, LLC | FL148199 | 2018-05-14 | Active | Graham |
| Buckners Catering LLC | DL326685 | 2026-04-22 | Active | Sioux Falls |
| BUCKS & TRUCKS, LLC | DL030904 | 2013-01-10 | Active | HARTFORD |
| BUCKS HARBOR HILLSIDE CEMETERY ASSOCIATION | 19500008N | 1950-07-19 | Active | — |
| Bucks Master Tradesman LLC | DL281793 | 2024-08-27 | Active | Sioux Falls |
| BUCKS MILLS ROD & GUN CLUB | 19660048ND | 1966-07-20 | Active | — |
| BUCKS OF SIOUX FALLS, INC | FB015428 | 1992-07-31 | Active | FARGO |
| BucksBees, LLC | DL264674 | 2023-12-19 | Active | Summerset |
| Buckshot Construction LLC | FL198838 | 2021-03-17 | Revoked | Willow River |
| BUCKSHOT PHEASANT HUNTS, LLC | DL005634 | 2003-03-14 | Active | PRESHO |
| Buckshot Resort LLC | DL247658 | 2023-03-30 | Active | Waubay |
| BUCKSHOT'S ROADHOUSE, LLC | DL011718 | 2006-07-18 | Inactive | — |
| BUCKSHOTS ROADHOUSE, L.L.C. | DL019716 | 2009-09-09 | Dissolved | LETCHER |
| Buckskin And Lace LLC | DL161349 | 2019-03-06 | Dissolved | agar |
| BUCKSKIN SERVICES | FB009700 | 1984-07-23 | Revoked | SIDNEY |
| BUCKSPORT BIBLE CHURCH | 19560007N | 1956-03-16 | Active | — |
| BUCKSPORT POST NO. 93, THE AMERICAN LEGION | 19370027ND | 1937-09-02 | Active | — |
| BUCKSPORT WATER COMPANY | 18870003D | 1887-02-07 | Merged | — |
| BUCKSTARS COFFEE LLC | DL032852 | 2013-06-17 | Active | RAPID CITY |
| BUCKSTOP EXPRESS MART, INC. | DB025626 | 1986-08-12 | Dissolved | — |
| BUCKSTOP LLC | DL006928 | 2004-02-11 | Dissolved | BELLE FOURCHE |
| BUCKSTORM LLC | DL169803 | 2019-09-06 | Active | Rapid City |
| BUCKSTORM PRODUCTIONS, LLC | DL030793 | 2012-12-31 | Inactive | SIOUX FALLS |
| Buckswich Investment Group, L.L.C. | DL049340 | 2016-07-22 | Active | Sioux Falls |
| Buckwheat Property LLC | DL154547 | 2018-10-01 | Dissolved | Flandreau |
| BUCKWILD ENTERPRISES, L.L.C. | DL029494 | 2012-09-20 | Active | HOT SPRINGS |
| Bucky Holdings LLC | DL282438 | 2024-09-05 | Active | Lee's Summit |
| BUCKY'S CALAMITY JEANS, LTD. | DB030842 | 1991-07-29 | Inactive | — |
| BUCYRUS INTERNATIONAL, INC. | FB007807 | 1981-06-29 | Inactive | S. MILWAUKEE |
| BUCYRUS MINING EQUIPMENT, INC. | FB034126 | 2010-02-16 | Inactive | SOUTH MILWAUKEE |
| Bud & Shirley, LLC | DL218954 | 2022-01-20 | Active | Colton |
| Bud Brothers LLC | DL225101 | 2022-04-18 | Dissolved | Porcupine |
| BUD THORPE'S, INC. | DF033338 | 1993-08-20 | Active | Lyons |
| BUD'S AUTO BODY, LLC | DL141703 | 2017-12-28 | Dissolved | WOONSOCKET |
| BUD'S BAR, INC. | DB053694 | 2008-06-12 | Dissolved | JEFFERSON |
| Bud's Clean Up Service, Inc. | DB188553 | 2020-10-01 | Active | Madison |
| Bud's Concrete, LLC | DL223246 | 2022-03-22 | Active | SIOUX FALLS |
| BUD'S CONSTRUCTION COMPANY, INC. | DB005083 | 1965-07-19 | Inactive | — |
| Bud's Poke Addiction LLC | DL280555 | 2024-08-07 | Active | Sioux Falls |
| BUD'S RENTALS LLC | FL043165 | 2014-12-11 | Active | Bowman |
| BUD'S TAVERN, INC. | DB055133 | 2010-02-08 | Dissolved | MARION |
| Bud's Tavern, LLC | DL228594 | 2022-06-09 | Active | Marion |
| Bud, Florence, and Phil Coyle Family Ranch LLC | DL214139 | 2021-11-09 | Active | OKLAHOMA CITY |
| BUDAHL CONSTRUCTION, INC. | DB052529 | 2007-06-29 | Active | CLEAR LAKE |
| BUDAHL CONSTRUCTION, LLC | DL002927 | 2000-04-12 | Dissolved | — |
| BUDAHL DRUG, INC. | DB014223 | 1977-03-24 | Dissolved | STURGIS |
| Budak Farm and Ranch Incorporated | FB274255 | 2024-05-03 | Active | Midland |
| BUDCO FINANCIAL SERVICES, LLC | FL006955 | 2013-07-09 | Active | DETROIT |
| BUDCO LLC | DL129808 | 2017-01-19 | Dissolved | STURGIS |
| Budde Septic Tank Cleaning LLC | DL154615 | 2018-10-02 | Active | Woonsocket |
| Buddha Carpet LLC | DL197495 | 2021-02-26 | Inactive | Watertown |
| Buddhas Behind Bars | NS049990 | 2016-05-16 | Dissolved | — |
| Buddhist Society of South Dakota, Inc. | NS049563 | 2015-01-20 | Dissolved | Sioux Falls |
| Buddi US LLC | FL282812 | 2024-09-11 | Active | Clearwater |
| BUDDIES & CO., INC. | NS252740 | 2023-06-12 | Active | Brandon |
| Buddies Bets LLC | DL306738 | 2025-08-11 | Active | Sioux Falls |
| BUDDIG INVESTMENTS L.L.C. | DL004023 | 2001-08-28 | Inactive | — |
| Budding Expressions, LLC | DL150827 | 2018-07-09 | Active | Yankton |
| Buddy Aid, LLC | DL299379 | 2025-05-02 | Active | Flandreau |
| BUDDY PROPERTIES, LLC | DL025354 | 2011-08-03 | Inactive | STURGIS |
| BUDDY SAVER, LLC | DL007904 | 2004-09-14 | Inactive | ABERDEEN |
| BUDDY TAYLOR RACING, L.L.C. | DL026572 | 2011-12-20 | Dissolved | SIOUX CITY |
| Buddy's Campsite LLC | DL266417 | 2024-01-16 | Active | Sturgis |
| Buddy's Canine Service, L.L.C | DL220549 | 2022-02-13 | Active | Hayti |
| Buddy's Dispensary, LLC. | DL215355 | 2021-11-30 | Dissolved | Pierre |
| BUDDY'S SHELTER | NS013006 | 2005-12-12 | Inactive | TYNDALL |
| BuddyIns, Inc. | FB203854 | 2021-05-29 | Active | Calabasas |
| Buddys Cleaning Service LLC | DL177303 | 2020-02-14 | Dissolved | Black Hawk |
| BUDGET BATTERIES OF SOUTH DAKOTA, INC. | DB024385 | 1985-05-01 | Dissolved | — |
| BUDGET BUDDIES FINANCIAL SERVICES | NS011296 | 1999-07-01 | Dissolved | — |
| BUDGET BUILDINGS, LLC | DL017311 | 2008-09-08 | Dissolved | WEST BROWNS VALLEY |
| BUDGET CALL LONG DISTANCE, INC. | FB016622 | 1994-01-06 | Inactive | ROCHESTER |
| BUDGET FURNITURE OF SOUTH DAKOTA, INC. | DB014356 | 1977-05-09 | Active | ABERDEEN |
| Budget Hunters, LLC | DL290522 | 2025-01-07 | Active | Colome |
| BUDGET INN MOTEL, INC. | DB003135 | 1963-03-20 | Dissolved | RAPID CITY |
| BUDGET MOTEL SUPPLY CORPORATION | FB016157 | 1993-06-25 | Inactive | WILMINGTON |
| BUDGET OPTICAL, L.L.C. | DL002259 | 1999-05-12 | Dissolved | — |
| BUDGET PREPAY, INC. | FB029202 | 2004-12-10 | Inactive | BOSSIER CITY |
| BUDGET PRINTING, INC. | DB047481 | 2003-10-31 | Inactive | — |
| BUDGET RENT A CAR SYSTEM, INC. | FB026668 | 2002-10-10 | Active | PARSIPPANY |
| BUDGET RUBBER STAMP, LLC | DL017725 | 2008-11-14 | Inactive | SIOUX FALLS |
| BUDGET SOLAR, INC. | DB054694 | 2009-07-29 | Dissolved | RAPID CITY |
| BUDGET SUITES OF AMERICA, INC. | FB019905 | 1997-03-18 | Revoked | LAS VEGAS |
| BUDGET SUITES, INC. | FB019904 | 1997-03-18 | Revoked | LAS VEGAS |
| BUDGET TAPES & RECORDS, INC. | FB004136 | 1972-08-29 | Revoked | DENVER |
| BUDGET TILE AND FLOORING, L.L.C. | DL004478 | 2002-02-14 | Dissolved | RAPID CITY |
| BUDGET TRANSMISSION (BUSINESS TRUST) | FT009622 | 1984-06-08 | Inactive | SANDPOINT |
| BUDGET TRUCK RENTAL, LLC | FL002541 | 2005-08-26 | Active | Parsippany |
| BUDGETEXT CORPORATION | FB027668 | 2003-09-02 | Inactive | FAYETTEVILLE |
| BUDGETS WORK, LLC | DL025065 | 2011-06-29 | Inactive | ABERDEEN |
| BUDIAM AMERICAN DIAMOND TOOLS, INC. | FB017928 | 1995-05-30 | Revoked | ELBERTON |
| BUDIG STRENGTH, INC. | DB053612 | 2008-05-14 | Dissolved | ABERDEEN |
| Budinok LLC | DL319942 | 2026-02-04 | Active | Watertown |
| BUDLONG INC. | DB046441 | 2003-02-04 | Inactive | — |
| BudNBetty LLC | FL276421 | 2024-06-05 | Inactive | Stratford |
| BUDROCK GARDENS LLC | DL007632 | 2004-07-16 | Inactive | PIERRE |
| Buds breakfast LLC | DL273239 | 2024-04-19 | Dissolved | North Sioux city |
| Buds House LLC | DL211564 | 2021-10-04 | Inactive | Rapid City |
| BUECHLER ENTERPRISES LIMITED PARTNERSHIP | DP000608 | 1996-11-27 | Inactive | — |
| Buechler Goetz, LLC | DL298787 | 2025-04-25 | Active | ABERDEEN |
| BUECHLER PHARMACY, INC. | DB031090 | 1991-11-06 | Dissolved | MITCHELL |
| BUEHLERS, INC. (BROOKINGS) | DB013321 | 1976-01-05 | Inactive | — |
| BUEHNER CONSTRUCTION INC. | FB036787 | 2013-05-20 | Active | SLC |
| BUEHNER DAIRY FARM, INC. | DF022262 | 1983-03-29 | Dissolved | — |
| BUELL BUCKS, L.L.C. | DL012256 | 2006-10-10 | Dissolved | Sioux Falls |
| BUELL BUILDING, INC. | DB035671 | 1995-04-07 | Inactive | — |
| BUELL CONSULTING, INC. | FB027309 | 2003-05-14 | Active | EDEN PRAIRIE |
| BUELL WINTER MOUSEL AND ASSOCIATES, P.C. | FB017044 | 1994-06-21 | Revoked | North Sioux City |
| BUELL, WINTER, MOUSEL & ASSOCIATES, INC. | FB007028 | 1980-04-14 | Revoked | PIERRE |
| BUEN DIA HOLDINGS LLC | DL033027 | 2013-07-03 | Dissolved | HOT SPRINGS |
| Buen Dia LLC | FL174005 | 2019-12-07 | Active | Des Moines |
| BUEN DIA MEXICAN RESTAURANT LLC | DL020224 | 2009-11-20 | Dissolved | HOT SPRINGS |
| BUENA SOMBRA INSURANCE AGENCY, INC. | FB023260 | 1999-11-29 | Inactive | BALTIMORE |
| Buena Ventura LLC | DL129200 | 2016-12-28 | Dissolved | KEYSTONE |
| Buena Vida Investments, LLC | DL152853 | 2018-08-22 | Dissolved | Montara |
| BUENA VISTA BIOMASS DEVELOPMENT, LLC | DL013993 | 2007-05-29 | Inactive | KATY |
| BUENA VISTA BIOMASS OPERATING COMPANY, LLC | DL013992 | 2007-05-29 | Inactive | KATY |
| BUENA VISTA BIOMASS POWER, LLC | DL013991 | 2007-05-29 | Inactive | KATY |
| Buenavista Property Ventures, LLC | DL317491 | 2026-01-08 | Active | Norway Township |
| Buenning Trucking, LLC | DL271351 | 2024-03-22 | Dissolved | PARKSTON |
| Buer Blading, LLC | DL248727 | 2023-04-14 | Active | Bison |
| BUER CONSTRUCTION, LLC | DL048123 | 2016-04-21 | Inactive | Lemmon |
| BUERMAN HOMES INC. | FB005640 | 1976-10-18 | Revoked | COLD SPRING |
| BUESING CORP. | FB008705 | 1982-12-06 | Revoked | LONG LAKE |
| BUETTNER'S SERVICE, INC. | DB011967 | 1973-11-14 | Dissolved | — |
| Buff Bar LLC | DL258523 | 2023-09-12 | Active | Custer |
| Buff Lo, LLC | DL204955 | 2021-06-18 | Active | Rapid City |
| Buff Nation | NS277981 | 2024-07-01 | Active | Fort Pierre |
| Buff Up, LLC | DL241044 | 2022-12-28 | Active | Sioux Falls |
| Buffalo Acres, LLC | DL265979 | 2024-01-08 | Active | Sioux Falls |
| Buffalo After Dark LLC | DL318383 | 2026-01-17 | Active | Gann valley |
| Buffalo and Butterflies, LLC | DL149613 | 2018-06-13 | Dissolved | Hot Springs |
| BUFFALO BANCORPORATION, INC. | DB021089 | 1981-11-05 | Inactive | — |
| BUFFALO BAR LLC | DL030420 | 2012-12-11 | Active | Deadwood |
| BUFFALO BED, LLC | DL007957 | 2004-09-27 | Dissolved | RAPID CITY |
| BUFFALO BERRY ARENA, LLC | DL006500 | 2003-11-10 | Active | — |
| BUFFALO BILL'S, INC. | DB005949 | 1967-07-28 | Dissolved | — |
| BUFFALO BILLS CORP. | DB046177 | 2002-12-11 | Dissolved | STURGIS |
| BUFFALO BOWL PROPERTIES, LLC | DL016814 | 2008-06-25 | Dissolved | LEMMON |
| BUFFALO BUCKAROOS SADDLE CLUB | NS007394 | 1982-05-31 | Dissolved | — |
| BUFFALO BUILDERS, INC. | DB041331 | 1999-04-23 | Active | SIOUX FALLS |
| BUFFALO BUILDERS, INC. | DB031343 | 1992-01-16 | Dissolved | — |
| Buffalo Building Company LLC. | DL223861 | 2022-03-30 | Active | Whitewood |
| Buffalo Bull Trading, LLC | DL221638 | 2022-02-28 | Active | Custer |
| BUFFALO BUNGALO'S LLP | DR001398 | 2011-04-01 | Inactive | CUSTER |
| Buffalo Bungalow, LLC | DL329234 | 2026-05-20 | Active | Sisseton |
| BUFFALO BUTTE RANCH, L.L.C. | DL006391 | 2003-10-15 | Dissolved | GREGORY |
| BUFFALO BUTTE, INC. | DB050644 | 2006-01-26 | Active | GREGORY |
| BUFFALO CABLE T.V., INC. | DB022373 | 1983-05-05 | Inactive | — |
| BUFFALO CAFE, INC. | DB024311 | 1985-03-28 | Inactive | — |
| Buffalo Calf Appearing | NS273152 | 2024-04-18 | Active | Lake Andes |
| Buffalo Capital LLC | DL221233 | 2022-02-23 | Dissolved | pukwana |
| BUFFALO CEMETERY ASSOCIATION | NS007683 | 1932-06-02 | Active | BUFFALO |
| Buffalo Chickens, LLC | DL168927 | 2019-08-19 | Dissolved | Sioux Falls |
| BUFFALO CHIP CAMPGROUND, LLC | DL002305 | 1999-06-09 | Active | STURGIS |
| Buffalo Chip Freedom Celebration Charity | NS156303 | 2018-11-13 | Dissolved | STURGIS |
| Buffalo Chip Investments, LLC | DL292306 | 2025-01-31 | Active | Rapid City |
| BUFFALO CHIP PICNIC, INC. | DB025586 | 1986-07-25 | Inactive | — |
| BUFFALO CHIP PRODUCTIONS, INC. | DB023171 | 1984-01-22 | Dissolved | — |
| BUFFALO CHIP SHOOTING COMPLEX, LLC | DL013293 | 2007-02-26 | Active | Sturgis |
| Buffalo Chip Trucking, LLC | DL044620 | 2015-08-06 | Active | Nowata |
| Buffalo Chip, South Dakota | CI000252 | 2015-05-07 | Dissolved | — |
| Buffalo Christian Homeschool Academy | NS229894 | 2022-06-30 | Active | SIOUX FALLS |
| BUFFALO COMMONS, INC. | DB031580 | 1992-03-24 | Dissolved | FAULKTON |
| BUFFALO CONSTRUCTION, INC. | FB030396 | 2006-02-22 | Active | LOUISVILLE |
| Buffalo Country Baking Company LLC | DL238354 | 2022-11-10 | Inactive | Custer |