| Black Hills Energy | 1843482 | 533 | 524 | InterstateHazmat |
| Brink Constructors INC | 119688 | 525 | 555 | Interstate |
| Coca-Cola Bottling Company High Country | 910520 | 266 | 310 | Interstate |
| Dakota Steel & Supply | 198034 | 192 | 134 | Interstate |
| Forbes Bros Timberline Construction INC | 904325 | 135 | 185 | InterstateHazmat |
| 1 Bh Power & Light Corp 2 Bh Exploration & Production 3bh Gas | 119635 | 87 | 62 | InterstateHazmat |
| Black Hills Energy | 219131 | 79 | 100 | InterstateHazmat |
| Heavy Constructors INC | 294205 | 63 | 151 | InterstateHazmat |
| Roth Trucking INC | 244712 | 57 | 36 | Interstate |
| Heartland Transportation | 233343 | 56 | 37 | InterstateHazmat |
| Hills Materials Company | 1521310 | 48 | 55 | InterstateHazmat |
| Rapid City Pierre & Eastern Railroad INC | 2507771 | 36 | 29 | Interstate |
| Site Work Specialist, INC | 8788669 | 28 | 7 | Interstate |
| Lei | 713521 | 25 | 12 | InterstateHazmat |
| Berendse & Sons Paint Company INC | 1079718 | 25 | 5 | Intrastate |
| J And J Asphalt Company | 732731 | 23 | 24 | Intrastate |
| Dakota Mill & Grain INC | 960044 | 23 | 20 | InterstateHazmat |
| Zandstra Construction INC | 256838 | 22 | 10 | InterstateHazmat |
| Dean Kurtz Construction Company | 1814115 | 20 | 9 | IntrastateHazmat |
| Keller Construction LLC | 1928389 | 20 | 13 | Interstate |
| Hilt Construction INC | 176901 | 19 | 8 | Intrastate |
| Moyle Petroleum Company | 835 | 16 | 10 | InterstateHazmat |
| Geidel Construction LLC | 4044479 | 16 | 37 | Interstate |
| Rangel Construction Company LLC | 3817188 | 15 | 15 | Interstate |
| Northwest Pipe Fittings INC | 883 | 14 | 42 | Interstate |
| Trugreen-Chemlawn | 685695 | 14 | 14 | Intrastate |
| Horsley Specialties INC | 696682 | 14 | 28 | InterstateHazmat |
| Dakota Barricade LLC | 1862279 | 14 | 14 | Interstate |
| Hills Products Group INC | 881 | 13 | 5 | Interstate |
| Aggressive Auto & Salvage | 979724 | 13 | 3 | InterstateHazmat |
| Mac Construction CO INC | 1015501 | 13 | 32 | Interstate |
| Rosenbaum's Signs | 649851 | 12 | 6 | Interstate |
| Straight Forward Services INC | 662231 | 12 | 12 | Interstate |
| Rcs Construction INC | 1055779 | 12 | 5 | Interstate |
| Hagen Glass CO | 1602812 | 11 | 11 | Interstate |
| Patron's Cooperative Association | 947 | 10 | 3 | IntrastateHazmat |
| A & B Welding Supply CO | 119479 | 10 | 9 | InterstateHazmat |
| The Pool & Spa Center | 392593 | 10 | 14 | Interstate |
| Lighting Maintenance Company | 615753 | 10 | 10 | Interstate |
| Black Hills Roofing & Sheet Metal | 827207 | 10 | 1 | Interstate |
| Western Construction INC | 1902575 | 10 | 22 | InterstateHazmat |
| Rapid Towing | 1958219 | 10 | 10 | InterstateHazmat |
| Zieg Trucking Company | 66485 | 9 | 7 | Interstate |
| Mount Rushmore Tours | 172988 | 9 | 15 | Interstate |
| Freed's Fine Furnishings INC | 193255 | 9 | 11 | Interstate |
| Rapid Packaging CO INC | 306789 | 9 | 5 | Interstate |
| Partnership With Native Americans | 1053366 | 9 | 6 | Interstate |
| Beka Corporation | 1556506 | 9 | 21 | InterstateHazmat |
| Iron Horse Excavating INC | 1848030 | 9 | 9 | Intrastate |
| Baker Timber Products INC | 340352 | 8 | 8 | Intrastate |
| Fischer Furniture INC | 433448 | 8 | 8 | Interstate |
| All Metal Manufacturing INC | 691360 | 8 | 8 | Interstate |
| Midco Diving & Marine Services INC | 1956527 | 8 | 25 | Interstate |
| Element Trucking LLC | 2968746 | 8 | 12 | Interstate |
| Servall Uniform & Linen | 214824 | 7 | 15 | Interstate |
| Kaski INC | 1422345 | 7 | 2 | Intrastate |
| B&b Crane Service | 1546546 | 7 | 3 | Interstate |
| Knology Of The Black Hills LLC | 2102589 | 7 | 7 | Intrastate |
| Air Land Freight LLC | 4020053 | 7 | 5 | Interstate |
| Heartland Pella Windows And Doors | 616037 | 6 | 3 | Interstate |
| Western Dakota Technical College | 703261 | 6 | 4 | Intrastate |
| Moda-Stone Lifesong | 893223 | 6 | 8 | Interstate |
| Mainline Contracting INC | 1383747 | 6 | 3 | Interstate |
| Black Hills Structural Components | 1606220 | 6 | 4 | Interstate |
| Black Hills Harley-Davidson | 1784403 | 6 | 4 | InterstateHazmat |
| Olson Towing | 1894904 | 6 | 4 | Interstate |
| Homework Development | 1941591 | 6 | 6 | Intrastate |
| Bgc | 2872228 | 6 | 8 | Interstate |
| The Moving Guys LLC | 3199241 | 6 | 6 | Interstate |
| Wd Masonry And Concrete INC | 3257755 | 6 | 4 | Interstate |
| Moonlight Transportation | 5749478 | 6 | 8 | IntrastateHazmat |
| Northwestern Warehouse Company | 159450 | 5 | 8 | Interstate |
| J & D Precast INC | 194414 | 5 | 4 | Interstate |
| Thomas Auto Service | 512957 | 5 | 2 | IntrastateHazmat |
| Winsupply N Rapid City Sd CO | 631412 | 5 | 5 | InterstateHazmat |
| Truax Trucking CO | 793733 | 5 | 5 | Interstate |
| Godfrey Brake Service & Supply INC | 1060144 | 5 | 2 | Interstate |
| 2444 Emerson Lane | 1637522 | 5 | 8 | Intrastate |
| Geo Enterprises INC | 1858273 | 5 | 3 | Interstate |
| Going For Broke LLC | 3312860 | 5 | 2 | Intrastate |
| Stanley Steemer | 3627324 | 5 | 4 | Intrastate |
| Glen Aldentaler | 4408843 | 5 | 4 | Interstate |
| North Central Supply INC | 126865 | 4 | 4 | Interstate |
| Green's Moving & Storage INC | 207599 | 4 | 3 | Interstate |
| Great Western Tire INC | 369733 | 4 | 2 | Interstate |
| Dakota Express | 379471 | 4 | 4 | Interstate |
| D&w Crane & Rigging INC | 444928 | 4 | 5 | Interstate |
| Ace Steel & Recycling INC | 474533 | 4 | 5 | Interstate |
| Huber Contracting INC | 601975 | 4 | 7 | Intrastate |
| Scull Construction Service INC | 986926 | 4 | 4 | Interstate |
| Interstate Batteries Of Rapid City | 1383296 | 4 | 4 | Interstate |
| A-1 Sewer And Drain Incorporated | 1878025 | 4 | 1 | Intrastate |
| Patton Trucking LLC | 2464724 | 4 | 2 | Interstate |
| Valley Green Transport LLC | 3001270 | 4 | 1 | Interstate |
| Facilitech Industries | 3448187 | 4 | 8 | Intrastate |
| Warne Chemical & Equipment Company INC | 3527120 | 4 | 3 | Interstate |
| West River Framing And Drywall LLC | 4007937 | 4 | 2 | Intrastate |
| Dakota West INC | 4185388 | 4 | 4 | InterstateHazmat |
| Btd Enterprises, LLC | 6368812 | 4 | 24 | Interstate |
| Jenner Equipment CO | 154847 | 3 | 2 | Interstate |