Carrier profile · USDOT 1415283 · Updated Sep 6, 2026
Windsor Building Systems LLC
12 power unitsavg 6.8 yrLocal · 1 statesMADISON, WI50/100
AUTHORITY STATUS UNKNOWNRATED SATISFACTORY
Equipment
Haulable capacity (power units only — trailers are towed context), equipment mix, and the VIN-decoded unit roster. Click any VIN to trace that unit across every carrier that has run it.
Capacity· power units = haulable capacity; trailers are towed
- Registered power units (MCS-150)
- 12
- Observed power (24 mo)
- 2
- Trailers (towed)
- 2
Capacity is power units only — trailers are towed equipment and are never summed into a fleet-size figure.
Fleet age· model years · decoded VINs
Average age
2025
Newest model yr
2014
Oldest model yr
50.0%
VINs decoded
Unit roster· VIN-decoded from inspections · NHTSA vPIC
| VIN | Type | Year | Make | Model | Insp. | Last seen |
|---|---|---|---|---|---|---|
| 3AKJGNDV1GDHM8112View sourced platform decode | Truck-Tractor | 2016 | FREIGHTLINER | SD122 | 1 | Sep 23, 2025 |
| 7KYDC5326SED41729View sourced platform decode | Trailer | 2025 | DORSEY TRA | — | 1 | Sep 23, 2025 |
| 155W40202E2006651View sourced platform decode | Trailer | 2014 | HERITAGE M | — | 1 | Sep 11, 2024 |
| 4V4NC9EH7NN304537View sourced platform decode | Truck-Tractor | 2022 | VOLVO TRUCK | VNL | 1 | Sep 11, 2024 |
Showing 4 · most-inspected first.