Fleet typeIdentity
Owner-operator
1 power unit. Brokers price each fleet type apart.
Carrier profile · USDOT 643976 · MC-414755 ·
William Mccomb
DBA JCB TRUCKING
1 power unitLEOMINSTER, MA80/100
CARRIER ACTIVEMC-414755 ACTIVE
Observed fleet · trailing 24 mo daily
1Power units
Self-reported · MCS-150
—Trailers seen
None observed · 24 mo
—Avg age (yr)
Not yet decoded
Click to see how we scored it
Load decision ·
Review before loading
Operating, but with flags a broker should weigh before tendering freight.
Watch · 2
Vektor intelligence · beyond the federal recordProprietary signals computed from VIN-decoded inspections & daily FMCSA snapshots
Fleet age vs peersDecoding
—
Not yet decoded
Identity stabilityStable
30 yr unchanged
Same registration since 1996 — no chameleon / reincarnation signal.
Cross-border activity
No border inspections on record
A named inspection location does not confirm a border transit or operating authority. Counts cover retained inspection records.
Verification summary
WILLIAM MCCOMB (USDOT 643976) has a Vektor safety score of 80/100 and a Review before loading verdict, from the carrier's FMCSA record. FMCSA profile data as of Aug 16, 2026.
The carrier holds active contract for-hire operating authority per FMCSA L&I. FMCSA authority data as of Sep 3, 2026.
It has an active BIPD insurance filing with a $750,000 limit in force from SAFETY INSURANCE CO. effective May 20, 2001 in FMCSA L&I's current snapshot. FMCSA insurance data as of Aug 16, 2026.
The carrier received 0 roadside inspections in the last 24 months — 0 vehicle-level and 0 driver-level, according to FMCSA roadside-inspection data. FMCSA operations data as of Sep 17, 2026.
It reports 1 power unit and 1 driver in its most recent MCS-150 filing dated Jun 1, 2007. FMCSA identity data as of Sep 3, 2026.
It has no FMCSA-assigned safety rating in the federal record. FMCSA identity data as of Sep 3, 2026.
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Frequently asked
What is WILLIAM MCCOMB's USDOT number?
WILLIAM MCCOMB's USDOT number is 643976, and its motor carrier number is MC-414755.
Is WILLIAM MCCOMB authorized to operate?
FMCSA authority data as of Sep 3, 2026. WILLIAM MCCOMB is inactive in the FMCSA register with common, contract, broker operating authority on file.
How big is WILLIAM MCCOMB's fleet?
WILLIAM MCCOMB operates 1 power unit and 1 driver per its most recent MCS-150 filing.
Where is WILLIAM MCCOMB based?
WILLIAM MCCOMB is based in LEOMINSTER, MA.
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