Fleet typeIdentity
Owner-operator
2 power units. Brokers price each fleet type apart.
Carrier profile · USDOT 4387562 ·
Mast Builders LLC
2 power unitsWHEELER, WI50/100
AUTHORITY STATUS UNKNOWN
Observed fleet · trailing 24 mo daily
2Power 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 ·
Limited record
Not enough federal record to assess. Verify authority and insurance directly.
In good standing · 0
Nothing flagged.
Vektor intelligence · beyond the federal recordProprietary signals computed from VIN-decoded inspections & daily FMCSA snapshots
Fleet age vs peersDecoding
—
Not yet decoded
Identity stabilityNew
1 yr unchanged
Same registration since 2025 — 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
MAST BUILDERS LLC (USDOT 4387562) is unrated by Vektor because the carrier's FMCSA record does not contain enough evidence for a safety score. FMCSA profile data as of Aug 16, 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 Sep 3, 2026.
It has an unknown current BIPD insurance status because no FMCSA L&I active-filing snapshot is available. 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 2 power units and 3 drivers in its most recent MCS-150 filing dated Feb 18, 2026. 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 MAST BUILDERS LLC's USDOT number?
MAST BUILDERS LLC's USDOT number is 4387562.
Is MAST BUILDERS LLC authorized to operate?
FMCSA authority data as of Sep 3, 2026. MAST BUILDERS LLC is active in the FMCSA register.
How big is MAST BUILDERS LLC's fleet?
MAST BUILDERS LLC operates 2 power units and 3 drivers per its most recent MCS-150 filing.
Where is MAST BUILDERS LLC based?
MAST BUILDERS LLC is based in WHEELER, WI.
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