Carrier profile · USDOT 3807507 · MC-1372778 · Updated Jul 12, 2026
INSULATION AND FIREBLOCK SOLUTIONS INC
0 power unitsHOLBROOK, MA50/100
NO OPERATING AUTHORITYMC-1372778 NO AUTHORITY
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
HOLBROOK, MA
Density
fewermore