Maryland Trucking Companies

Every FMCSA-registered carrier in Maryland — operating authority, insurance on file, verified fleet size, and the Vektor safety verdict.

95,569 carriers registered in Maryland

Maryland Carrier Facts

Maryland has 95,569 FMCSA-registered carriers in Vektor's current directory snapshot.

COWAN SYSTEMS LLC (USDOT 548880) is the largest carrier shown on the Maryland hub by fleet size, with 1,882 power units in the current FMCSA-backed ranking.

Maryland trucking industry statistics

Fleet, authority and 24-month safety aggregates across the whole Maryland register.

See all Maryland statistics →
Trucks in service
340,472
With operating authority
7,046
Hazmat carriers
4,518
Vehicle out-of-service rate
21.9%

Largest Trucking Companies in Maryland

The biggest active power-unit fleets domiciled in Maryland.

Ranked by power units
See all largest fleets

Safest Trucking Companies in Maryland

Maryland carriers with the cleanest Vektor verdict — top safety scores and beating national out-of-service rates.

Ranked by safety score
See all top safety

Rising-Star Trucking Companies in Maryland

Up-and-coming Maryland carriers adding new equipment fast — with a modern fleet and a clean safety record.

Ranked by new equipment added
See all rising stars

Browse all Maryland carriers

The full Maryland register, largest verified fleets first — 50 carriers per page across 40 pages.

Search by name, USDOT, or MC →

Built from the public FMCSA / MCMIS record, VIN-decoded equipment, and roadside-inspection history — refreshed continuously. Rankings are Vektor's computed decision support, not a paid placement and not an FMCSA safety rating. Verify authority & insurance before tendering.