| BIEBER FAMILY ENTERPRISES, INC. | DB057053 | 2012-07-24 | Dissolved | SIOUX FALLS |
| BIEBER HOLDINGS, L.L.C. | DL021140 | 2010-04-01 | Active | LEOLA |
| BIEBER RED ANGUS - INTERNATIONAL DIVISION, L.L.C. | DL021494 | 2010-05-14 | Active | LEOLA |
| Bieber Red Angus Ranch, LLC | DL264029 | 2023-12-08 | Active | LEOLA |
| Biederman Enterprise, LLC | DL036338 | 2013-12-09 | Active | Rapid City |
| BIEGER'S, INCORPORATED | DF000844 | 1960-01-05 | Inactive | — |
| BIEGLER BROS., INC. | DB033809 | 1993-12-28 | Dissolved | TIMBER LAKE |
| BIEGLER CONSTRUCTION LLC | DL026810 | 2012-01-06 | Active | RAPID CITY |
| Biegler Enterprises, LLC | DL042640 | 2015-03-09 | Active | Timber Lake |
| BIEGLER EQUIPMENT, INC. | DB026913 | 1987-12-02 | Active | Timber Lake |
| BIEGLER GRINDING AND REPAIR, INC. | DB024380 | 1985-05-01 | Active | Timber Lake |
| BIEGLER MOTORS-WATERTOWN, INC. | DB043288 | 2000-10-04 | Inactive | — |
| Biegler's Construction, LLC | DL287792 | 2024-11-26 | Active | Aberdeen |
| BIEGLER'S S & R, INC. | DB036911 | 1996-03-07 | Inactive | — |
| BIEGLER'S, INC. | DB003901 | 1964-12-17 | Active | Aberdeen |
| BIEGLER-HAFFEMAN FAMILY FARM, LLC | DL159633 | 2019-01-29 | Active | SIOUX FALLS |
| Bieglers Timber Lake Service LLC | DL048932 | 2016-06-17 | Dissolved | Timber Lake |
| Bielasco Holdings, LLC | DL291964 | 2025-01-28 | Active | Box Elder |
| Bien Counseling Services LLC | DL291750 | 2025-01-24 | Active | Sioux Falls |
| BIEN FARM, LLC | DL031620 | 2013-03-12 | Dissolved | LAKE CITY |
| Bien Land & Cattle, LP | FP183408 | 2020-06-22 | Active | SAN ANTONIO |
| BIEN PHARMACY INC. | DB031696 | 1992-04-29 | Active | MILBANK |
| Bienvenidos a Brookings | NS161086 | 2019-03-01 | Active | BROOKINGS |
| BIER GARTEN, INC. | DB029682 | 1990-07-17 | Inactive | — |
| BIERBAUM-MARTIN SECURITIES INC. | FB010115 | 1985-03-15 | Inactive | DOVER |
| BIEREMA RODEO, INC. | DB044145 | 2001-05-17 | Active | WHITE RIVER |
| BIERLE INSURANCE, LLC | DL027699 | 2012-03-28 | Active | MENNO |
| BIERLE PROPERTIES, LLC | DL007462 | 2004-06-10 | Active | Sioux Falls |
| BIERMAN CONSTRUCTION, LLC | DL028203 | 2012-05-16 | Active | MANSFIELD |
| BIERMAN CONTRACTING, INC. | FB238321 | 2022-11-10 | Revoked | COLUMBUS |
| BIERMAN CONTRACTING, INC. | FB033155 | 2008-12-29 | Inactive | COLUMBUS |
| Bierman Farm Service, LLC | DL134111 | 2017-06-09 | Active | Groton |
| BIERMAN FARMS, INC. | DF045027 | 2002-01-29 | Active | Mansfield |
| BIERMAN TRANSPORTATION LLC | DL045246 | 2015-09-23 | Active | LAKE ANDES |
| BIERMANN RANCH, INC. | DF002259 | 1961-05-09 | Dissolved | — |
| BIERNBAUM AND CO., INC. | DB004049 | 1965-03-31 | Active | RAPID CITY |
| BIERNBAUM AND CO., LLC | DL329648 | 1965-03-31 | Active | RAPID CITY |
| BIERS RANCH, LLC | DL027161 | 2012-02-09 | Active | Rapid City |
| Biers Tool Sales, LLC | DL047532 | 2016-03-14 | Active | PIEDMONT |
| BIERSBACH LUMBER, INCORPORATED | DB024306 | 1985-03-27 | Dissolved | BRISTOL |
| BIERSBY'S BURGERS, INC. | DB040427 | 1998-08-24 | Inactive | — |
| Bierschbach & Bierschbach Properties, LLC | DL310975 | 2025-10-07 | Active | Watertown |
| BIERSCHBACH ELECTRIC, INC. | DB053536 | 2008-04-24 | Active | WEBSTER |
| BIERSCHBACH EQUIPMENT & SUPPLY COMPANY, INC. | DB019141 | 1979-10-15 | Active | SIOUX FALLS |
| Bierschbach Properties, Inc. | DB334131 | 2026-07-20 | Active | Watertown |
| BIERSCHBACH PROPERTY CORP. | DB036074 | 1995-07-26 | Dissolved | CANTON |
| Bierschbach Rentals Four, LLC | DL159578 | 2019-01-28 | Active | Watertown |
| Bierschbach Rentals One, LLC | DL159545 | 2019-01-28 | Active | Watertown |
| Bierschbach Rentals Three, LLC | DL159577 | 2019-01-28 | Active | Watertown |
| Bierschbach Rentals Two, LLC | DL159576 | 2019-01-28 | Active | Watertown |
| BIERSCHBACH, DDS, P.C., MARK A. | DB040814 | 1998-12-18 | Dissolved | Milbank |
| BIERSCHENK CONSTRUCTION INC. | DB039482 | 1998-01-02 | Inactive | — |
| BIERSTEDT-CHASE AGENCY, L.L.C. | DL010135 | 2005-11-08 | Inactive | — |
| BIERWAGEN FAMILY LLC | DA007387 | 2004-05-24 | Active | Sioux Falls |
| BIES ELM STREET, LLLP | DP001552 | 2004-06-17 | Active | — |
| BIES ENTERPRISES, L.L.C. | DL014501 | 2007-08-20 | Active | SALEM |
| BIES HIGHWAY 79, LLLP | DP001294 | 2001-12-17 | Active | RAPID CITY |
| BIES RANCH LAND, LLLP | DP001554 | 2004-06-18 | Active | — |
| BIES SUPPORT SERVICE, LLC | DL014745 | 2007-09-25 | Dissolved | Hartford |
| BIES/PETERSEN, INC. | DB041492 | 1999-06-01 | Active | RAPID CITY |
| Biesterfeld Legacy LLC | DL300594 | 2025-05-19 | Active | Sioux Falls |
| Bietz Acres, LLC | DA036391 | 2013-12-12 | Active | TRIPP |
| Bietz Design and Woodworking LLC | DL129904 | 2017-01-24 | Active | Mitchell |
| Bietz Farms, LLC | DL036390 | 2013-12-12 | Active | TRIPP |
| BIEVER ENTERPRISE INC. | DB056028 | 2011-03-21 | Active | Watertown |
| BIEVER'S BULK SALES CO. | DB019671 | 1980-04-25 | Dissolved | IROQUOIS |
| BIF IV INTREPID OPCO LLC | FL232066 | 2022-08-04 | Active | Broomfield |
| BIFF MALIBU'S DEADWOOD, LLP | DR000195 | 1997-09-30 | Inactive | — |
| Bifocalssuck, LLC | DL221225 | 2022-02-22 | Inactive | DAKOTA DUNES |
| Biftu Grocery Store and Restaurant LLC | DL233764 | 2022-08-31 | Active | SIOUX FALLS |
| Bifusion Ads Ltd | DB286658 | 2024-11-09 | Dissolved | SIOUX FALLS |
| BIG 19, INC. | DB054386 | 2009-03-19 | Dissolved | SIOUX FALLS |
| BIG A AUTO PARTS, INC. | FB003484 | 1970-01-14 | Revoked | HOUSTON |
| BIG A'S MAINTENANCE LLC | DL200550 | 2021-04-09 | Dissolved | SIOUX FALLS |
| BIG AG ORGANIC, LLC | FL044168 | 2016-03-07 | Revoked | SIOUX FALLS |
| BIG AL'S CONTRACTING, INC. | DB057593 | 2013-02-22 | Active | SIOUX FALLS |
| BIG AL'S CONTRACTING, LLC | DL024366 | 2011-04-08 | Inactive | SIOUX FALLS |
| Big Al's Decoys, LLC | DL326683 | 2026-04-22 | Active | Lake Norden |
| Big Al's Pizza Inc | FB175125 | 2019-12-31 | Active | Sheridan |
| BIG AL'S SWAP SHOP, INC. | DB038720 | 1997-06-23 | Dissolved | STURGIS |
| BIG AL'S, INC. | DB044756 | 2001-11-30 | Dissolved | SIOUX FALLS |
| Big and Small Construction LLC | DL207884 | 2021-08-06 | Dissolved | WATERTOWN |
| BIG ASH WHOLESALE, INC. | DB052693 | 2007-08-23 | Dissolved | Brandon |
| BIG B ENTERPRISES, L.L.C. | DL004595 | 2002-03-29 | Active | ABERDEEN |
| Big B's LLC | DL037727 | 2014-03-06 | Active | BOX ELDER |
| Big Badger Holdings LLC | DL228535 | 2022-06-08 | Dissolved | Brookville |
| Big Bales Farm LLC | DL282183 | 2024-09-02 | Active | Forestburg |
| Big BAM LLC | DL235779 | 2022-09-29 | Dissolved | Sioux Falls |
| Big Bang Enterprises, Inc. | FB150637 | 2018-07-03 | Active | CORAL GABLES |
| Big Bang Trucking LLC | DL248324 | 2023-04-09 | Suspended | Watertown |
| BIG BAT'S LIMITED LIABILITY COMPANY | DL011318 | 2006-05-10 | Active | CHADRON |
| Big Beach, LLC | DL129997 | 2017-01-27 | Inactive | Sioux Falls |
| Big Bear AB, LLC | DL228561 | 2022-06-08 | Dissolved | Sunny Isles |
| Big Bear Advisors, LLC | DL137281 | 2017-09-20 | Dissolved | Pierre |
| BIG BEAR AMERICAN MADE CHOPPERS, INC. | FB031754 | 2007-06-18 | Inactive | BIG BEAR LAKE |
| Big Bear II LLC | DL232387 | 2022-08-10 | Active | BIG LAKE |
| Big Bear LLC | DL217690 | 2022-01-03 | Active | Big Lake |
| Big Bear Lodge LLC | DL241339 | 2023-01-02 | Active | Rapid City |
| Big Bear's BBQ, LLC | DL135237 | 2017-07-20 | Dissolved | Flandreau |
| BIG BEND BUSINESS COMMITTEE | NS010898 | 1997-10-29 | Inactive | — |
| BIG BEND CONSERVANCY SUB-DISTRICT | DM009323 | 1962-11-06 | Active | — |
| BIG BEND GRAZING ASSOCIATION | CO000734 | 1979-01-31 | Inactive | — |
| BIG BEND HUNTING CLUB, INC. | DB022784 | 1983-10-06 | Inactive | — |
| BIG BEND RANCH HUNTING, INC. | DB032191 | 1992-09-30 | Active | HARROLD |
| BIG BEND ROAD DISTRICT | DM009421 | 1997-07-11 | Active | — |
| BIG BEND STEEL ERECTORS, INC. | DB026323 | 1987-04-27 | Inactive | — |
| BIG BEND STEEL, INC. | DB025115 | 1986-02-11 | Inactive | — |
| BIG BEND UNITED PRESBYTERIAN CHURCH | CH003023 | 1979-06-12 | Active | Rapid City |
| Big Bill Trucking Inc | DB175997 | 2020-01-17 | Active | Hot Springs |
| BIG BISON ENTERPRISES LLC | DL020982 | 2010-03-12 | Inactive | LAKE NORDEN |
| Big Blue Lakes, LLC | DL209657 | 2021-09-06 | Dissolved | Watertown |
| BIG BLUE SKY PROPERTIES, LLC | DL014342 | 2007-07-26 | Active | SIOUX FALLS |
| Big Blue, LLC | DL316386 | 2026-01-01 | Active | Tea |
| BIG BOAT, INC. | DB051038 | 2006-04-28 | Dissolved | SIOUX FALLS |
| BIG BOY SANDWICHES, L.L.C. | DL029289 | 2012-08-31 | Dissolved | WESSINGTON |
| BIG BOY, INC. | DB041426 | 1999-05-14 | Inactive | — |
| BIG BOYS TOYS, INC. | DB043652 | 2001-01-09 | Inactive | — |
| Big Boys Toys, LLC | DL218346 | 2022-01-12 | Active | Lake Havasu City |
| Big Brother Transport LLC | DL329665 | 2026-05-26 | Active | Sturgis |
| BIG BROTHERS BIG SISTERS OF AMERICA | FN030460 | 2015-07-28 | Active | TAMPA |
| BIG BROTHERS BIG SISTERS OF THE BLACK HILLS | NS000603 | 1963-05-13 | Active | Rapid City |
| BIG BROTHERS BIG SISTERS OF THE SIOUX EMPIRE | NS012461 | 2003-12-23 | Dissolved | SIOUX FALLS |
| Big Bubba's Hauling LLC | DL249154 | 2023-04-21 | Dissolved | Spearfish |
| BIG BUCKS, LLC | DL024816 | 2011-06-02 | Active | Yankton |
| Big Buffalo Creek Development, LLC | DL043467 | 2015-05-26 | Active | — |
| Big Buoy LLC. | DL227745 | 2022-05-25 | Dissolved | Sioux Falls |
| Big C Enterprises LLC | DL263145 | 2023-11-26 | Active | Belle Fourche |
| Big C Properties LLC | DL039476 | 2014-07-10 | Dissolved | BOX ELDER |
| Big C's Rental Properties, LLC | DL194912 | 2021-01-18 | Active | Columbia |
| Big Canyon Assets, LLC | DL212224 | 2021-10-13 | Dissolved | SIOUX FALLS |
| Big Cardinal LLC | DL044632 | 2015-08-07 | Active | BOCA RATON |
| BIG CAT RESCUE CORP. | FN030352 | 2014-04-03 | Inactive | Odessa |
| Big Cedar Builders, LLC | DL242785 | 2023-01-23 | Active | Spearfish |
| Big Cents, LLC | DL048703 | 2016-05-31 | Active | Sioux Falls |
| BIG CHEESE PIZZA, L.L.C. | DL020504 | 2009-12-31 | Inactive | SIOUX FALLS |
| BIG CHILL OP, LLC | DL133041 | 2017-05-01 | Active | Sioux Falls |
| BIG CHILL RAIL, LLC | DL143375 | 2018-01-31 | Inactive | SIOUX FALLS |
| BIG CHILL RE, LLC | DL133042 | 2017-05-01 | Inactive | SIOUX FALLS |
| Big City Errands LLC | DL237647 | 2022-10-31 | Dissolved | Sioux Falls |
| Big City Fashion LLC | DL042839 | 2015-03-18 | Dissolved | SIOUX FALLS |
| BIG CITY MOTORS, INC. | DB028573 | 1989-07-25 | Active | SIOUX FALLS |
| Big City Motorsports LLC | DL245822 | 2023-03-06 | Inactive | Sioux Falls 57105 |
| BIG COUNTRY ENTERPRISES, INC. | DB019770 | 1980-06-09 | Dissolved | SANTA FE |
| Big Country Investment Group Corp | FB280889 | 2024-08-12 | Inactive | Worthington |
| Big Country LLC | DL047396 | 2016-03-01 | Active | PIERRE |
| Big Country Motors LLC | DL172272 | 2019-10-28 | Dissolved | Tea |
| Big Country Motors North, LLC | DL277283 | 2024-06-19 | Active | SIOUX FALLS |
| Big Country Motors South, Inc. | DB327481 | 2026-04-30 | Active | Yankton |
| Big Country Real Estate, LLC | DL322299 | 2026-03-02 | Active | LEAD |
| Big Country Transport, LLC | DL249766 | 2023-04-29 | Dissolved | Tea |
| BIG COUNTRY VETERINARY SUPPLY, INC. | DB020568 | 1981-04-10 | Inactive | — |
| BIG COUNTRY, INC. | DB019651 | 1980-04-17 | Dissolved | — |
| Big Crazy Buffalo Co. LLC | DL233432 | 2022-08-26 | Active | CUSTER |
| Big Crow Fishing L.L.C. | DL202142 | 2021-05-03 | Dissolved | Pine Ridge |
| Big Crow Industries L.L.C. | DL261890 | 2023-11-03 | Dissolved | Pine Ridge |
| BIG CROW LAKOTA ENTERPRISES, INC. | NS008859 | 1988-12-06 | Inactive | — |
| BIG CUP, INC. | DB055607 | 2010-09-21 | Active | BROOKINGS |
| Big D Auctions, Inc. | DB210329 | 2021-09-16 | Active | Hartford |
| BIG D HOMES, LLC | DL031606 | 2013-03-11 | Active | TEA |
| Big D Industries, LLC | DL200152 | 2021-04-05 | Active | Dakota Dunes |
| Big D Land And Cattle, LLC | DL189573 | 2020-10-19 | Active | Sioux Falls |
| BIG D OIL CO. | DB003275 | 1963-07-17 | Active | RAPID CITY |
| Big D Recovery & Transport, LLC | DL041748 | 2015-01-13 | Dissolved | Pierre |
| Big D Technology Solutions, Inc. | DB059015 | 2014-04-23 | Active | Hartford |
| Big D Trucking, LLC | DL248177 | 2023-04-06 | Dissolved | Dell Rapids |
| BIG D VAPOR, LLC | FL256844 | 2023-08-16 | Revoked | Carrollton |
| Big D's Distributing LLC | DL212478 | 2021-10-18 | Active | Brookings |
| Big D's, LLC | DL170566 | 2019-09-23 | Dissolved | Hitchcock |
| BIG D, LLC | FL042750 | 2014-06-05 | Inactive | WEST DES MOINES |
| BIG DADDY D'S, INC. | DB057323 | 2012-12-03 | Active | mitchell |
| Big Daddy Dumpsters LLC | DL221034 | 2022-02-18 | Dissolved | Sioux Falls |
| BIG DADDY PRODUCTIONS, INC. | DB040181 | 1998-06-17 | Inactive | — |
| Big Daddy Racing, LLC | DL255399 | 2023-07-25 | Dissolved | Black Hawk |
| BIG DADDY'S LLC | DL013184 | 2007-02-09 | Dissolved | EAGLE BUTTE |
| BIG DADDY'S MEATS, STEAKHOUSE & CAFE, INC. | DB057128 | 2012-08-27 | Dissolved | ELKTON |
| BIG DAKOTA LAND & PROPERTIES, L.L.C. | DL013385 | 2007-03-09 | Active | WINNER |
| BIG DAM HITCH, INC. | DB028406 | 1989-05-19 | Inactive | — |
| Big Data Arts LLC | DL035654 | 2013-10-28 | Inactive | SIOUX FALLS |
| BIG DAWG CONSTRUCTION, L.L.C. | DL028009 | 2012-04-26 | Dissolved | RAPID CITY |
| BIG DAWG CONTRACTORS LLC | DL285445 | 2024-10-21 | Dissolved | EDGEMONT |
| Big Dawg Enterprises, LLC | DL127896 | 2017-01-02 | Active | Rapid City |
| Big Dawgz Transport LLC | DL131079 | 2017-02-27 | Dissolved | HURON |
| BIG DEADWOOD LLC | DL197285 | 2021-02-24 | Dissolved | Sioux Falls |
| Big Deal designs and customs LLC | DL191542 | 2020-11-19 | Dissolved | Rapid city |
| Big Deal Transport LLC | DL050071 | 2016-09-26 | Dissolved | Rapid City |
| Big Deb LLC | DL333409 | 2026-07-13 | Active | Huron |
| Big Dog Enterprises, LLC | DL135549 | 2017-08-01 | Dissolved | Spearfish |
| Big Dog Holdings, LLC | DL300495 | 2025-05-16 | Active | Watertown |
| BIG DOG INDUSTRIES, INC. | DB048341 | 2004-05-27 | Dissolved | PIEDMONT |
| Big Dog Land LLC | DL186805 | 2020-08-28 | Dissolved | Sioux Falls |
| Big Dog Properties LLC | DL233146 | 2022-08-22 | Active | Sioux Falls |
| BIG DOG ROOFING LLP | DR000389 | 1999-06-09 | Inactive | — |
| Big Dog Staging, LLC | DL312080 | 2025-10-22 | Active | Sioux Falls, SD |
| BIG DOG TRUCKING, INC. | DB038860 | 1997-07-30 | Inactive | — |
| BIG DOG USA, INC. | FB027711 | 2003-09-18 | Inactive | SANTA BARBARA |
| BIG DOG/NORMAN MAINE PUBLISHING, LLC | DL029718 | 2012-10-17 | Active | BLACK HAWK |
| Big Dogs LLC | DL217075 | 2021-12-23 | Dissolved | Sedona |
| Big Dream Properties LLC | DL275488 | 2024-05-21 | Dissolved | spearfish |
| Big Dreams in a Small Town LLC | DL304380 | 2025-07-10 | Active | Volga |
| BIG DREAMS, LLC | DL015841 | 2008-02-20 | Active | Sturgis |