Carrier profile · USDOT 340474 · Updated Jun 13, 2026

James T Warring Sons Inc

DBA WARCO INC

9 power unitsavg 9.6 yrRegional · 4 statesCAPITOL HEIGHTS, MD93/100
AUTHORITY STATUS UNKNOWNRATED SATISFACTORY
Verified linksFMCSA 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 radiusRegional
revealed
States observed4
US states
Inspections · 24 mo17
MD busiest

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

Home base
CAPITOL HEIGHTS, MD
4545 S STREET
Top corridor
MD
MD 10 · DC 3 · PA 2
Density
fewermore
Shade = roadside inspections, last 24 mo.

State activity ranking· all 4 states · trailing 24 mo

Roadside inspections by state · JAMES T WARRING SONS INC · trailing 24 months
StateCoverageInspections
MDMarylandHQ10
DCDistrict of Columbia3
PAPennsylvania2
VAVirginia2