| BERENGUER TRANSPORT LLC | 4571806 | ABERDEEN | 3 |
| BERG AUTO MALL & TRUCKING | 4037438 | BERESFORD | 3 |
| BERG ENTERPRISE LLC | 7395700 | WATERTOWN | 1 |
| BERGNER AND YEATON FARMS | 1626985 | CHAMBERLAIN | 4 |
| BERKNER'S EXCAVATING & GRAVEL INC | 537737 | MILBANK | 9 |
| BERNARD CONCRETE CUTTING | 3384086 | N SIOUX CITY | 2 |
| BERNARD DONAHUE | 1789684 | FEDORA | 9 |
| BERNARD M SCHELLING | 1870547 | ARMOUR | 0 |
| BERRY SUNNY INTERNATIONAL LLC | 4410146 | SHERMAN | 1 |
| BERT BURGGRAFF | 857928 | COLTON | 3 |
| BERTUS TRUCKING LLC | 2421323 | AVON | 1 |
| BES LIGHTING CENTER INC | 2966595 | RAPID CITY | 1 |
| BESLER GRAVEL AND TRUCKING LLC | 2302927 | BISON | 2 |
| BESLER INC | 276991 | BLACK HAWK | 19 |
| BESLER RANCH | 4440047 | BISON | 2 |
| BETTERBUILT LLC | 3962222 | WATERTOWN | 10 |
| BEYOND CONCRETE INC | 2396733 | BIG STONE CITY | 5 |
| BGE LLC | 4008037 | DESMET | 2 |
| BIBBEY TRUCKING LLC | 3494841 | SISSETON | 2 |
| BIBBS BROKERAGE INC | 2226337 | SIOUX FALLS | 0 |
| BICKETT TRUCKING LLC | 321737 | OLDHAM | 2 |
| BIERSCHBACH EQUIPMENT & SUPPLY CO INC | 455140 | SIOUX FALLS | 41 |
| BIEVERS BULK SALES CO | 954193 | IROQUOIS | 1 |
| BIG BILL TRUCKING INC | 3775263 | HOT SPRINGS | 3 |
| BIG BROTHER TRANSPORT LLC | 9387500 | STURGIS | 1 |
| BIG BUBBA'S HAULING LLC | 4066744 | SPEARFISH | 2 |
| BIG COUNTRY INC | 2217664 | PIERRE | 0 |
| BIG MULEY LOGISTICS LLC | 2866767 | HARTFORD | 0 |
| BIG R TRUCKING | 4437641 | SIOUX FALLS | 1 |
| BIG RIG HD LLC | 2505136 | SIOUX FALLS | 1 |
| BIG RIG TRANSPORT LLC | 5737477 | TEA | 2 |
| BIG SHOTS INC | 3443693 | WATERTOWN | 1 |
| BIG SIOUX WINDOWS & DOORS | 3125814 | N SIOUX CITY | 1 |
| BIG SPRINGS LLC | 1481161 | HUDSON | 1 |
| BILL ADRIAN TRUCKING LLC | 326336 | WHITE RIVER | 1 |
| BILL GROCOTT | 21116 | HUMBOLDT | 2 |
| BILL K LANGER | 1624012 | RAPID CITY | 1 |
| BILL KARBER | 1153550 | CLARK | 1 |
| BILL KAYSER TRUCKING LLC | 2783420 | SIOUX FALLS | 1 |
| BILL NAPOLI | 1028174 | RAPID CITY | 1 |
| BILL PAULTON | 185865 | EDGEMONT | 4 |
| BILL REGULA | 2933569 | BATH | 2 |
| BILL SOULEK | 397792 | DELMONT | 1 |
| BILL THRUN | 565358 | SUMMIT | 1 |
| BILL WAGNER WELDING INC | 757255 | BRANDON | 1 |
| BILL'S B DISTRIBUTION COMPANY | 2129587 | SIOUX FALLS | 1 |
| BILL'S GATE MANUFACTURING LLC | 3218349 | PHILIP | 1 |
| BILLION AUTOMOTIVE | 870601 | SIOUX FALLS | 54 |
| BILLS COUNTRY REPAIR LLC | 2404349 | CLEAR LAKE | 2 |
| BIRD DOG CONSTRUCTION LLC | 4405138 | SIOUX FALLS | 0 |
| BIRD TRUCKING LLC | 4226089 | PLATTE | 1 |
| BISHOP RANCH INC | 1076457 | LEMMON | 1 |
| BISHOP TRUCKING LLC | 4349257 | LEMMON | 2 |
| BISON GRAIN COMPANY | 498685 | BISON | 10 |
| BISON GRAIN COMPANY | 2223856 | BISON | 0 |
| BISON TRANSPORTATION INC | 2221857 | SIOUX FALLS | 0 |
| BJ CONSTRUCTION LLC | 946439 | HARRISBURG | 1 |
| BJ'S PARTY BUS LLC | 3765734 | MOUNT VERNON | 3 |
| BJ'S TRUCKING LLC | 4245204 | BOX ELDER | 0 |
| BJM ENTERPRISE INC | 1198431 | VALLEY SPRINGS | 1 |
| BK SEIDEL INC | 1577983 | BISON | 18 |
| BK TOOLS LLC | 4152648 | WHITEWOOD | 1 |
| BK TRUCKING LLC | 2173680 | BROOKINGS | 1 |
| BK&SONS LLC | 1182603 | TYNDALL | 1 |
| BLAC-X FARMS INC | 1537572 | GARRETSON | 2 |
| BLACHOWSKE TRUCK LINE INC | 124582 | BRANDON | 51 |
| BLACK BALDIE TRUCKING LLC | 3890999 | HENRY | 2 |
| BLACK BETTY LLC | 4446121 | RAPID CITY | 1 |
| BLACK CROWN GROUP LLC | 4504347 | HURON | 1 |
| BLACK HILLS BLACKTOP SOLUTIONS LLC | 3650375 | RAPID CITY | 1 |
| BLACK HILLS ELECTRIC COOPERATIVE INC | 1836535 | CUSTER | 19 |
| BLACK HILLS ENERGY ARKANSAS INC | 219131 | RAPID CITY | 79 |
| BLACK HILLS EQUIPMENT RENTALS LLC | 3322610 | SPEARFISH | 1 |
| BLACK HILLS EXTERIORS LLC | 4202938 | RAPID CITY | 1 |
| BLACK HILLS GOLF CARS | 3915459 | SUMMERSET | 0 |
| BLACK HILLS HEALTH & EDUCATION CENTER | 6569219 | HERMOSA | 1 |
| BLACK HILLS HYDRO-TURF | 1574726 | RAPID CITY | 3 |
| BLACK HILLS INDUSTRIES INC | 827207 | RAPID CITY | 10 |
| BLACK HILLS INSULATION LLC | 3779531 | STURGIS | 1 |
| BLACK HILLS JANITORIAL SUPPLY CO | 119626 | RAPID CITY | 2 |
| BLACK HILLS MONUMENT LLC | 316762 | BELLE FOURCHE | 1 |
| BLACK HILLS OVERHEAD DOORS LLC | 530218 | RAPID CITY | 1 |
| BLACK HILLS PHONES INC | 2783868 | RAPID CITY | 1 |
| BLACK HILLS PONY EXPRESS LLC | 2319276 | BLACK HAWK | 0 |
| BLACK HILLS POWER INC | 119635 | RAPID CITY | 87 |
| BLACK HILLS SAPPHIRE TRANSPORTATION LLC | 9616433 | STURGIS | 1 |
| BLACK HILLS SERVICE COMPANY LLC | 1843482 | RAPID CITY | 533 |
| BLACK HILLS TIMBER EQUIPMENT LLC | 1298704 | WHITEWOOD | 2 |
| BLACK HILLS TOWERS LLC | 1508416 | EDGEMONT | 1 |
| BLACK HILLS TRANSPORT LLC | 314591 | BELLE FOURCHE | 10 |
| BLACK HILLS TRENCHING & BORING LLC | 4004854 | SPEARFISH | 10 |
| BLACK HILLS TRUSS AND COMPONENTS LLC | 1606220 | RAPID CITY | 6 |
| BLACK HILLS WEDDINGS LLC | 4084985 | RAPID CITY | 1 |
| BLACK HILLS WILBERT VAULT CO INC | 465259 | BLACK HAWK | 5 |
| BLACK SHEEP FARM MANAGEMENT | 4339781 | PIERRE | 2 |
| BLACK STACK TRUCKING LLC | 2436189 | PIERRE | 2 |
| BLACK TIE COMPONENTS LLC | 4018662 | HARTFORD | 4 |
| BLACKBURN FOUNDATION REPAIR LLC | 4099949 | HARTFORD | 28 |
| BLACKGOLD CAPITAL LLC | 2872228 | RAPID CITY | 6 |
| BLACKHAWK LOGISTICS LLC | 2403454 | SIOUX FALLS | 1 |