Carrier profile · USDOT 3620928 · MC-1664278 · Updated Jul 18, 2026

International Building Supply LLC

9 power unitsavg 12.1 yrRegional · 3 statesNAUGATUCK, CT86/100
CARRIER ACTIVEMC-1664278 ACTIVE
Verified linksintlsupplies.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 radiusRegional
revealed
States observed3
US states
Inspections · 24 mo14
CT busiest

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

Home base
NAUGATUCK, CT
9 SPENCER ST
Top corridor
CT
CT 9 · RI 3 · MA 2
Density
fewermore
Shade = roadside inspections, last 24 mo.

State activity ranking· all 3 states · trailing 24 mo

Roadside inspections by state · INTERNATIONAL BUILDING SUPPLY LLC · trailing 24 months
StateCoverageInspections
CTConnecticutHQ9
RIRhode Island3
MAMassachusetts2