Carrier profile · USDOT 3035785 · Updated Jun 13, 2026

Flatiron-skanska-stacy & Witbeck a Joint Venture

8 power unitsLocal · 1 statesCARDIFF, CA50/100
AUTHORITY STATUS UNKNOWN
Verified linksflatironcorp.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 observed1
US states
Inspections · 24 mo1
CA busiest

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

Home base
CARDIFF, CA
309 MANCHESTER AVE
Top corridor
CA
CA 1
Density
fewermore
Shade = roadside inspections, last 24 mo.

State activity ranking· all 1 states · trailing 24 mo

Roadside inspections by state · FLATIRON-SKANSKA-STACY & WITBECK A JOINT VENTURE · trailing 24 months
StateCoverageInspections
CACaliforniaHQ1