Carrier profile · USDOT 1377402 · Updated Sep 6, 2026
Underground Systems Incorporated
61 power unitsavg 13.5 yrRegional · 3 statesEAU CLAIRE, WI80/100
AUTHORITY STATUS UNKNOWNHAZMAT
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)
- 61
- Observed power (24 mo)
- 7
- Trailers (towed)
- 6
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
2024
Newest model yr
1999
Oldest model yr
23.1%
VINs decoded
Unit roster· VIN-decoded from inspections · NHTSA vPIC
| VIN | Type | Year | Make | Model | Insp. | Last seen |
|---|---|---|---|---|---|---|
| 1GB4KYC84GF176105View sourced platform decode | Incomplete - Chassis Cab (Double Cab) | 2016 | CHEVROLET | Silverado | 2 | Jun 16, 2025 |
| 2FWJAZDE25AV27416View sourced platform decode | Truck-Tractor | 2005 | STERLING TRUCK | L9500 series | 2 | Apr 28, 2025 |
| 1D9BG482X21208558View sourced platform decode | Trailer | 2002 | DOONAN SPECIALIZED | Doonan Specialized Trailer | 2 | Apr 28, 2025 |
| DC9CH1123H1065060View sourced platform decode | Trailer | 2017 | DIAMOND D | — | 1 | Jun 1, 2026 |
| 1HTKHPVH9KH597973View sourced platform decode | Power unit | 2019 | CHEVROLET | — | 1 | Jun 1, 2026 |
| 5R8BD162XNM088012View sourced platform decode | Trailer | 2022 | MAXEY MFG. | — | 1 | Apr 21, 2026 |
| 1GBE5C1296F410086View sourced platform decode | Power unit | 2006 | CHEVROLET | — | 1 | Apr 21, 2026 |
| 1GBE5C1998F411321View sourced platform decode | Power unit | 2008 | CHEVROLET | — | 1 | Sep 26, 2025 |
| 5L8GP322691016597View sourced platform decode | Trailer | 2009 | UNKNOWN | — | 1 | Sep 26, 2025 |
| 46UFU302XR1282678View sourced platform decode | Trailer | 2024 | ROADCLIPPE | — | 1 | Sep 24, 2025 |
| 2FZNRLCB8XAB61887View sourced platform decode | Power unit | 1999 | STERLING T | — | 1 | Sep 24, 2025 |
| 1DST522D6M1702958View sourced platform decode | Trailer | 2021 | DITCH WITC | — | 1 | Dec 30, 2024 |
| 1GB4KYC86FF614184View sourced platform decode | Power unit | 2015 | CHEVROLET | — | 1 | Dec 30, 2024 |
Showing 13 · most-inspected first.