Carrier profile · USDOT 668941 · MC-314158 · Updated Jun 13, 2026
Monson Companies of Maine Inc
DBA MONSON COMPANY SOUTH PORTLAND
3 power unitsSOUTH PORTLAND, ME40/100
NO OPERATING AUTHORITYMC-314158 NO AUTHORITYRATED SATISFACTORYHAZMAT
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
SOUTH PORTLAND, ME
Density
fewermore