Carrier profile · USDOT 1356151 · Updated Jun 13, 2026
TRI-STATE UNDERGROUND INC
32 power unitsavg 15.3 yrLocal · 2 statesTOWNSEND, DE86/100
AUTHORITY STATUS UNKNOWNHAZMAT
Operations & Lanes
Where this carrier actually runs, revealed by roadside-inspection geography over the last 24 months — not where they claim to operate, shown as state-level inspection density.
Operating footprint· revealed by roadside-inspection geography
Operating radiusLocal
revealedStates observed22
US statesInspections · 24 mo1515
DE busiestInspection density by state· each tile = a state · shade = inspections, last 24 mo
Home base
TOWNSEND, DE
Top corridor
DE
Density
fewermore
State activity ranking· all 2 states · trailing 24 mo
| State | Coverage | Inspections |
|---|---|---|
| DEDelawareHQ | 8 | |
| MDMaryland | 7 |