Carrier profile · USDOT 1733410 · Updated Aug 20, 2026
Underground Testing and Services LLC
12 power unitsavg 5 yrRegional · 4 statesLONDONDERRY, NH88/100
AUTHORITY STATUS UNKNOWN
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)
- 7
- Trailers (towed)
- 0
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
2026
Newest model yr
2017
Oldest model yr
71.4%
VINs decoded
Unit roster· VIN-decoded from inspections · NHTSA vPIC
| VIN | Type | Year | Make | Model | Insp. | Last seen |
|---|---|---|---|---|---|---|
| 3C7WRNFL0HG669748View sourced platform decode | Incomplete - Chassis Cab (Number of Cab Unknown) | 2017 | RAM | 5500 | 4 | Aug 10, 2026 |
| 3C7WRNFL3TG204504View sourced platform decode | Incomplete | 2026 | RAM | 5500 | 3 | Aug 4, 2026 |
| 2NKHHM6X2LM410568View sourced platform decode | Truck | 2020 | KENWORTH | T3 Series | 2 | May 4, 2026 |
| 1HA3GSF7XRN005355View sourced platform decode | Incomplete - Cutaway | 2024 | CHEVROLET | Express | 2 | Apr 1, 2026 |
| 1M2MDBAA9RS074796View sourced platform decode | Truck | 2024 | MACK | MD | 2 | Sep 16, 2025 |
| 3C7WRNBL0JG177829View sourced platform decode | Power unit | 2018 | DODG | — | 2 | Oct 31, 2024 |
| 3C7WRNBL6JG133799View sourced platform decode | Power unit | 2018 | DODG | — | 1 | May 6, 2026 |
Showing 7 · most-inspected first.