Carrier profile · USDOT 4143953 · Updated Jun 13, 2026

NWIS INC

DBA NORTHWEST INSTALLATION SERVICES INC

2 power unitsTUKWILA, WA50/100
AUTHORITY STATUS UNKNOWN
Verified linksqualitymodular.netFMCSA 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
TUKWILA, WA
12610 INTERURBAN AVE S STE 100
Density
fewermore
Shade = roadside inspections, last 24 mo.