Carrier profile · USDOT 385466 · Updated Aug 20, 2026

Smithco Inc

DBA HUMBOLDT INDUSTRIES

1 power unitLocal · 1 statesHUMBOLDT, KS50/100
AUTHORITY STATUS UNKNOWNRATED SATISFACTORYHAZMAT
Verified linkssmithco.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.

Operating footprint· revealed by roadside-inspection geography

Operating radiusLocal
revealed
States observed1
US states
Inspections · 24 mo1
WI busiest

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

Home base
HUMBOLDT, KS
204 N 8TH ST
Top corridor
WI ⇄ KS
WI 1
Density
fewermore
Shade = roadside inspections, last 24 mo.

State activity ranking· all 1 states · trailing 24 mo

Roadside inspections by state · SMITHCO INC · trailing 24 months
StateCoverageInspections
WIWisconsin1