Carrier profile · USDOT 1356151 · Updated Aug 20, 2026

Tri-state Underground Inc

32 power unitsavg 14.7 yrLocal · 2 statesTOWNSEND, DE93/100
AUTHORITY STATUS UNKNOWNHAZMAT
Verified linkstristateug.comFMCSA SAFER

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
revealed
States observed2
US states
Inspections · 24 mo13
MD busiest

Inspection density by state· each tile = a state · shade = inspections, last 24 mo

Home base
TOWNSEND, DE
4369 DUPONT PARKWAY
Top corridor
MD ⇄ DE
MD 7 · DE 6
Density
fewermore
Shade = roadside inspections, last 24 mo.

State activity ranking· all 2 states · trailing 24 mo

Roadside inspections by state · TRI-STATE UNDERGROUND INC · trailing 24 months
StateCoverageInspections
MDMaryland7
DEDelawareHQ6