Carrier profile · USDOT 348981 · Updated Jun 13, 2026

W B MASON CO INC

834 power unitsavg 3.4 yrNational · 21 statesBROCKTON, MA88/100
AUTHORITY STATUS UNKNOWNRATED CONDITIONALHAZMAT

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 radiusNational
revealed
States observed20
US states
Inspections · 24 mo502
NY busiest

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

Home base
BROCKTON, MA
59 CENTRE ST
Top corridor
NY ⇄ MA
NY 166 · PA 79 · NH 47
Density
fewermore
Shade = roadside inspections, last 24 mo.

State activity ranking· all 20 states · trailing 24 mo

Roadside inspections by state · W B MASON CO INC · trailing 24 months
StateCoverageInspections
NYNew York166
PAPennsylvania79
NHNew Hampshire47
MDMaryland39
MEMaine39
MAMassachusettsHQ33
NJNew Jersey27
VTVermont21
FLFlorida20
CTConnecticut14
DCDistrict of Columbia3
RIRhode Island3
CACalifornia2
OHOhio2
ILIllinois2
MIMichigan1
GAGeorgia1
WVWest Virginia1
VAVirginia1
DEDelaware1