Carrier profile · USDOT 3424629 · Updated Jun 13, 2026
TREBLE SEVEN LLC
DBA 3 MOUNTAINS PLUMBING 3 MOUNTAINS EXCAVATION 3 MOUNTAINS HEATING & COOLING
19 power unitsPORTLAND, OR50/100
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
PORTLAND, OR
Density
fewermore