Carrier profile · USDOT 516591 · Updated Jul 23, 2026
UNDERGROUND CONSTRUCTION CO INC
DBA UNDERGROUND CONSTRUCTION
301 power unitsavg 6.9 yrLocal · 1 statesBENICIA, CA100/100
AUTHORITY STATUS UNKNOWN
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 observed11
US statesInspections · 24 mo7171
CA busiestInspection density by state· each tile = a state · shade = inspections, last 24 mo
Home base
BENICIA, CA
Top corridor
CA
Density
fewermore
State activity ranking· all 1 states · trailing 24 mo
| State | Coverage | Inspections |
|---|---|---|
| CACaliforniaHQ | 71 |