Carrier profile · USDOT 2030255 · Updated Jun 13, 2026

M J Williams Heating and Air Conditioning Inc

1 power unitWOODSTOCK, CT50/100
AUTHORITY STATUS UNKNOWNHAZMAT
Verified linksFMCSA 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.

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

Home base
WOODSTOCK, CT
386 DUGG HILL RD
Density
fewermore
Shade = roadside inspections, last 24 mo.