Fleet typeIdentity
Owner-operator
3 power units. Brokers price each fleet type apart.
Carrier profile · USDOT 3380138 · Updated Aug 20, 2026
Mab Engineering LLC
DBA CARPENTER SIGN SERVICE
3 power unitsCINCINNATI, OH50/100
AUTHORITY STATUS UNKNOWNRATED SATISFACTORY
Observed fleet · trailing 24 mo daily
3Power 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 · FMCSA snapshot · Aug 20, 2026
Limited record
Not enough federal record to assess. Verify authority and insurance directly.
Watch · 3
USDOT registration inactiveThe USDOT record is flagged inactive — the carrier may not be authorized to operate.No inspection history despite active fleetAn established carrier reporting 3 power units has no roadside inspections — a common shell/paper-carrier signal.MCS-150 census data outdatedThe biennial MCS-150 update is 3.5 years old; fleet/mileage figures may be unreliable.
In good standing · 1
USDOT registration66 yr registered
Authority not on fileInsurance (BIPD)— unknown
No filing on recordVehicle OOS · 24-mo—
No inspections · 24 moCrashes · fatal—
No crash recordVektor intelligence · beyond the federal recordProprietary signals computed from VIN-decoded inspections & daily FMCSA snapshots
Fleet age vs peersDecoding
—
Not yet decoded
Identity stabilityStable
6 yr unchanged
Same registration since 2020 — no chameleon / reincarnation signal.
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Verification summary
MAB ENGINEERING LLC (USDOT 3380138) is unrated by Vektor because the carrier's FMCSA record does not contain enough evidence for a safety score as of Aug 20, 2026.
The carrier has an unknown current for-hire authority status because no FMCSA L&I authority row is available as of Aug 20, 2026.
It has an unknown current BIPD insurance status because no FMCSA L&I active-filing snapshot is available as of Aug 20, 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 Aug 20, 2026.
It reports 3 power units and 2 drivers in its most recent MCS-150 filing dated Mar 2, 2023.
It has an FMCSA safety rating of Satisfactory assigned Jun 12, 2025 in the federal record refreshed Aug 20, 2026.
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Frequently asked
What is MAB ENGINEERING LLC's USDOT number?
MAB ENGINEERING LLC's USDOT number is 3380138.
Is MAB ENGINEERING LLC authorized to operate?
As of Aug 20, 2026, MAB ENGINEERING LLC is inactive in the FMCSA register.
How big is MAB ENGINEERING LLC's fleet?
MAB ENGINEERING LLC operates 3 power units and 2 drivers per its most recent MCS-150 filing.
Where is MAB ENGINEERING LLC based?
MAB ENGINEERING LLC is based in CINCINNATI, OH.
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