Carrier profile · USDOT 3380138 · Updated Aug 20, 2026

Mab Engineering LLC

DBA CARPENTER SIGN SERVICE

3 power unitsCINCINNATI, OH50/100
AUTHORITY STATUS UNKNOWNRATED SATISFACTORY
Verified linkscarpentersigns.comFMCSA SAFER

Operations & Lanes

Where this carrier actually runs, revealed by roadside-inspection geography over the last 24 months — not where they claim to operate, shown as state-level inspection density.

Inspection density by state· each tile = a state · shade = inspections, last 24 mo

Home base
CINCINNATI, OH
2701 SPRING GROVE AVE
Density
fewermore
Shade = roadside inspections, last 24 mo.