Carrier profile · USDOT 2489063 · MC-864840 · Updated Sep 6, 2026

William a Corey Jr and Michael C Mastaler

DBA CMA LIMITED LIABILITY PARTNERSHIP

2 power unitsROYALSTON, MA80/100
CARRIER ACTIVEMC-864840 ACTIVE
Verified linksFMCSA SAFER
Observed fleet · trailing 24 mo daily
2Power units
Self-reported · MCS-150
Trailers seen
None observed · 24 mo
Avg age (yr)
Not yet decoded
USDOT registration12 yr registered
Active for-hire
Insurance (BIPD)$1M in force
FMCSA L&I
Vehicle OOS · 24-mo
No inspections · 24 mo
Crashes · fatal
No crash record
Vektor intelligence · beyond the federal recordProprietary signals computed from VIN-decoded inspections & daily FMCSA snapshots
Fleet typeIdentity

Owner-operator

2 power units. Brokers price each fleet type apart.

Fleet age vs peersDecoding

Not yet decoded

Identity stabilityStable

12 yr unchanged

Same registration since 2014 — no chameleon / reincarnation signal.

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Verification summaryAuthority, insurance, safety and identity facts for WILLIAM A COREY JR AND MICHAEL C MASTALER.

WILLIAM A COREY JR AND MICHAEL C MASTALER (USDOT 2489063) has a Vektor safety score of 80/100 and a Review before loading verdict, from the carrier's FMCSA record refreshed Sep 6, 2026.

The carrier holds active common for-hire operating authority per FMCSA L&I as of Sep 6, 2026.

It has an active BIPD insurance filing with a $1,000,000 limit in force from WEST AMERICAN INSURANCE CO. effective Mar 13, 2014 in FMCSA L&I's current snapshot as of Sep 6, 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 refreshed Sep 6, 2026.

It reports 2 power units and 2 drivers in its most recent MCS-150 filing dated Mar 26, 2014.

It has no FMCSA-assigned safety rating in the federal record refreshed Sep 6, 2026.

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Frequently asked

What is WILLIAM A COREY JR AND MICHAEL C MASTALER's USDOT number?

WILLIAM A COREY JR AND MICHAEL C MASTALER's USDOT number is 2489063, and its motor carrier number is MC-864840.

Is WILLIAM A COREY JR AND MICHAEL C MASTALER authorized to operate?

As of Sep 6, 2026, WILLIAM A COREY JR AND MICHAEL C MASTALER is inactive in the FMCSA register with common, contract, broker operating authority on file.

How big is WILLIAM A COREY JR AND MICHAEL C MASTALER's fleet?

WILLIAM A COREY JR AND MICHAEL C MASTALER operates 2 power units and 2 drivers per its most recent MCS-150 filing.

Where is WILLIAM A COREY JR AND MICHAEL C MASTALER based?

WILLIAM A COREY JR AND MICHAEL C MASTALER is based in ROYALSTON, MA.

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