Fleet typeIdentity
Asset-based
112 power units. Brokers price each fleet type apart.
Carrier profile
United Subcontractors Inc
- USDOT
- 645236
- MC
- Not listed
DBA MESA INSULATION SPECIALISTS
MESA, AZ
AUTHORITY STATUS UNKNOWN
Fleet snapshot24-mo observations
112Reported power
Self-reported · MCS-150
—Trailers seen
None observed · 24 mo
—Avg age (yr)
Not yet decoded
Assessment evidence ·
Limited record
Not enough federal record to assess. Verify authority and insurance directly.USDOT registration inactive · No roadside inspection history returned · MCS-150 census data outdated
USDOT registration inactive
Watch · 3
USDOT registration inactiveThe USDOT record is flagged inactive — the carrier may not be authorized to operate.No roadside inspection history returnedThe assessment found no roadside inspection history for the reported fleet. This gap does not establish whether the carrier operated or committed wrongdoing.MCS-150 census data outdatedThe biennial MCS-150 update is 16.1 years old; fleet/mileage figures may be unreliable.
In good standing · 1
Not enough federal record to assess. Verify authority and insurance directly.
Fleet snapshot24-mo observations
112Reported power
Self-reported · MCS-150
—Trailers seen
None observed · 24 mo
—Avg age (yr)
Not yet decoded
Vektor intelligence · beyond the federal recordProprietary signals computed from VIN-decoded inspections & daily FMCSA snapshots
Observed fleet ageDecoding
—
Not yet decoded
Registration historyOn record
30 yr registered
USDOT record added in 1996. Registration age does not establish unchanged ownership or continuous authority.
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.
Safety and violations
Violation data is not available for this carrier right now.
Verification summary
UNITED SUBCONTRACTORS INC (USDOT 645236) is unrated by Vektor because the carrier's FMCSA record does not contain enough evidence for a safety score. FMCSA profile data as of Nov 12, 2026.
The carrier has an unknown current for-hire authority status because no FMCSA L&I authority row is available. FMCSA authority data as of Nov 13, 2026.
It has an unknown current BIPD insurance status because no FMCSA L&I active-filing snapshot is available. FMCSA insurance data as of Nov 12, 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 Nov 13, 2026.
The carrier has 0 reportable crashes in the last 24 months and 0 fatal crashes across the full FMCSA crash record available. FMCSA safety data as of Nov 13, 2026.
It reports 112 power units and 113 drivers in its most recent MCS-150 filing dated Sep 21, 2010. FMCSA identity data as of Nov 13, 2026.
It has no FMCSA-assigned safety rating in the federal record. FMCSA identity data as of Nov 13, 2026.
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What is UNITED SUBCONTRACTORS INC's USDOT number?
UNITED SUBCONTRACTORS INC's USDOT number is 645236.
Is UNITED SUBCONTRACTORS INC authorized to operate?
FMCSA authority data as of Nov 13, 2026. UNITED SUBCONTRACTORS INC is inactive in the FMCSA register. Operating authority status is unknown.
How big is UNITED SUBCONTRACTORS INC's fleet?
UNITED SUBCONTRACTORS INC operates 112 power units and 113 drivers per its most recent MCS-150 filing.
Where is UNITED SUBCONTRACTORS INC based?
UNITED SUBCONTRACTORS INC is based in MESA, AZ.