Carrier profile · USDOT 130616 · Updated Jun 13, 2026

Tri State Stone and Building Supply Inc

14 power unitsavg 21.2 yrLocal · 1 statesBETHESDA, MD86/100
AUTHORITY STATUS UNKNOWN
Verified linkscarderock.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 mo7
MD busiest

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

Home base
BETHESDA, MD
8200 SEVEN LOCKS RD
Top corridor
MD
MD 7
Density
fewermore
Shade = roadside inspections, last 24 mo.

State activity ranking· all 1 states · trailing 24 mo

Roadside inspections by state · TRI STATE STONE AND BUILDING SUPPLY INC · trailing 24 months
StateCoverageInspections
MDMarylandHQ7