Carrier profile · USDOT 3537597 · Updated Sep 6, 2026

Sweitzer Marine LLC

9 power unitsavg 12.8 yrLocal · 2 statesPRESTON, MD87/100
AUTHORITY STATUS UNKNOWN
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 radiusLocal
revealed
States observed2
US states
Inspections · 24 mo26
MD busiest

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

Home base
PRESTON, MD
21135 TANYARD RD
Top corridor
MD
MD 25 · DE 1
Density
fewermore
Shade = roadside inspections, last 24 mo.

State activity ranking· all 2 states · trailing 24 mo

Roadside inspections by state · SWEITZER MARINE LLC · trailing 24 months
StateCoverageInspections
MDMarylandHQ25
DEDelaware1