Carrier profile · USDOT 1711681 · Updated Jun 13, 2026
J A M MATERIALS CORP
DBA JAM HARDSCAPE AND MATERIALS YARD
4 power unitsMIDDLETOWN, RI50/100
AUTHORITY STATUS UNKNOWN
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
MIDDLETOWN, RI
Density
fewermore