Carrier profile · USDOT 1867526 · Updated Jun 13, 2026

POTOMAC ELECTRICAL SERVICES

DBA POTOMAC TESTING INC

3 power unitsavg 4 yrLocal · 1 statesCROFTON, MD50/100
AUTHORITY STATUS UNKNOWN
Verified linkspotomactesting.comFMCSA SAFERCallEmail

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 mo3
MD busiest

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

Home base
CROFTON, MD
1610 PROFESSIONAL BLVD
Top corridor
MD
MD 3
Density
fewermore
Shade = roadside inspections, last 24 mo.

State activity ranking· all 1 states · trailing 24 mo

Roadside inspections by state · POTOMAC ELECTRICAL SERVICES · trailing 24 months
StateCoverageInspections
MDMarylandHQ3