Carrier profile · USDOT 2944939 · Updated Jun 13, 2026

PROFESSIONAL MECHANICAL SERVICES INC

DBA OPTIMUM WELDING SERVICE

2 power unitsLocal · 1 statesCAPITOL HEIGHTS, MD50/100
AUTHORITY STATUS UNKNOWN
Verified linksoptimumwelding.comFMCSA 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 observed1
US states
Inspections · 24 mo1
DC busiest

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

Home base
CAPITOL HEIGHTS, MD
9100 EDGEWORTH DRIVE SUITE E
Top corridor
DC ⇄ MD
DC 1
Density
fewermore
Shade = roadside inspections, last 24 mo.

State activity ranking· all 1 states · trailing 24 mo

Roadside inspections by state · PROFESSIONAL MECHANICAL SERVICES INC · trailing 24 months
StateCoverageInspections
DCDistrict of Columbia1