Carrier profile · USDOT 1356408 · Updated Jun 13, 2026

PRESTON PIPELINES INC

DBA PRESTON COMPANIES

90 power unitsavg 8.6 yrLocal · 1 statesMILPITAS, CA96/100
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
revealed
States observed1
US states
Inspections · 24 mo79
CA busiest

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

Home base
MILPITAS, CA
133 BOTHELO AV
Top corridor
CA
CA 79
Density
fewermore
Shade = roadside inspections, last 24 mo.

State activity ranking· all 1 states · trailing 24 mo

Roadside inspections by state · PRESTON PIPELINES INC · trailing 24 months
StateCoverageInspections
CACaliforniaHQ79