Fleet typeIdentity
Asset-based
15 power units. Brokers price each fleet type apart.
Carrier profile · USDOT 227340 · MC-407667 · Updated Jun 13, 2026
WILLIAM N MASON INC
15 power unitsavg 16.9 yrRegional · 6 statesBALTIMORE, MD87/100
CARRIER ACTIVEMC-407667 ACTIVERATED SATISFACTORYHAZMAT
Observed fleet · trailing 24 mo daily
15Power units
9 observed · MCS-150
13Trailers seen
Decoded · vPIC
16.9Avg age (yr)
1997–2026 · vPIC
Click to see how we scored it
Load decision · FMCSA snapshot · Jun 13, 2026
Clear to load
Active authority and a clean federal record. No blocking issues found.
Active operating authorityInsurance on fileVehicle out-of-service rate above average
Watch · 2
USDOT registration4343 yr registered
Active for-hireInsurance (BIPD)$750K in force
FMCSA L&IVehicle OOS · 24-mo23.1%
▲ 22.26% nat'lCrashes · fatal00
2 in 24 moVektor intelligence · beyond the federal recordProprietary signals computed from VIN-decoded inspections & daily FMCSA snapshots
Fleet age vs peersOlder
16.9 yr
Model years 1997–2026 · peer benchmark unavailable.
Identity stabilityStable
43 yr unchanged
Same registration since 1983 — no chameleon / reincarnation signal.
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Verification summary
WILLIAM N MASON INC (USDOT 227340) has a Vektor safety score of 87/100 and a Clear to load verdict, from the carrier's FMCSA record refreshed Jun 13, 2026.
The carrier holds active contract for-hire operating authority per FMCSA L&I as of Jun 13, 2026.
It has an active BIPD insurance filing with a $750,000 limit in force from SENTRY SELECT INSURANCE COMPANY effective Mar 1, 2023 in FMCSA L&I's current snapshot as of Jun 13, 2026.
Its vehicle out-of-service rate was 23.1% over the last 24 months, versus the 22.26% CVSA national average, from FMCSA roadside-inspection data refreshed Jun 13, 2026.
The carrier received 21 roadside inspections in the last 24 months — 13 vehicle-level and 21 driver-level — across 6 states, according to FMCSA roadside-inspection data refreshed Jun 13, 2026.
The carrier has 2 reportable crashes in the last 24 months and 0 fatal crashes across the full FMCSA crash record available as of Jun 13, 2026.
It reports 15 power units and 11 drivers in its most recent MCS-150 filing dated May 6, 2026.
It has an FMCSA safety rating of Satisfactory assigned Nov 2, 2002 in the federal record refreshed Jun 13, 2026.
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Frequently asked
What is WILLIAM N MASON INC's USDOT number?
WILLIAM N MASON INC's USDOT number is 227340, and its motor carrier number is MC-407667.
Is WILLIAM N MASON INC authorized to operate?
As of Jun 13, 2026, WILLIAM N MASON INC is active in the FMCSA register with common, contract, broker operating authority on file.
What is WILLIAM N MASON INC's safety record?
WILLIAM N MASON INC has a 23.1% vehicle out-of-service rate (national average 22.26%) across 26 roadside inspections, with 2 reportable crashes in the last 24 months, and an FMCSA "Satisfactory" safety rating. Vektor's computed risk score is 87/100 (tier: clear).
How big is WILLIAM N MASON INC's fleet?
WILLIAM N MASON INC operates 15 power units and 11 drivers per its most recent MCS-150 filing.
Where is WILLIAM N MASON INC based?
WILLIAM N MASON INC is based in BALTIMORE, MD, with roadside inspections recorded across 6 states.
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