Carrier profile · USDOT 2554579 · MC-890436 · Updated Jun 13, 2026
Joseph M Mann
DBA MANN'S MECHANICAL INC
1 power unitDARLINGTON, MD50/100
NO OPERATING AUTHORITYMC-890436 NO AUTHORITY
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
DARLINGTON, MD
Density
fewermore