Carrier profile · USDOT 2962685 · Updated Jun 13, 2026
Hollborn Plumbing Inc
DBA HILARY H HOLLBORN & SONS
4 power unitsISLIP TERRACE, NY50/100
AUTHORITY STATUS UNKNOWN
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
ISLIP TERRACE, NY
Density
fewermore