Carrier profile · USDOT 1708881 · MC-916426 · Updated Jun 13, 2026

Mason Dixon Contractors LLC

DBA MDX SITE

3 power unitsLocal · 2 statesWILLOW STREET, PA50/100
CARRIER ACTIVEMC-916426 ACTIVE
Verified linksmdxsite.netFMCSA 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.

Operating footprint· revealed by roadside-inspection geography

Operating radiusLocal
revealed
States observed2
US states
Inspections · 24 mo4
PA busiest

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

Home base
WILLOW STREET, PA
6 BROOKS AVENUE
Top corridor
PA
PA 2 · NJ 2
Density
fewermore
Shade = roadside inspections, last 24 mo.

State activity ranking· all 2 states · trailing 24 mo

Roadside inspections by state · MASON DIXON CONTRACTORS LLC · trailing 24 months
StateCoverageInspections
PAPennsylvaniaHQ2
NJNew Jersey2