Carrier profile · USDOT 1665831 · Updated Jun 13, 2026

Thumb Welding Supplies Inc

3 power unitsLocal · 1 statesCASS CITY, MI50/100
AUTHORITY STATUS UNKNOWNHAZMAT
Verified linksairadv.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.

Operating footprint· revealed by roadside-inspection geography

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

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

Home base
CASS CITY, MI
5107 KELLY ROAD
Top corridor
MI
MI 1
Density
fewermore
Shade = roadside inspections, last 24 mo.

State activity ranking· all 1 states · trailing 24 mo

Roadside inspections by state · THUMB WELDING SUPPLIES INC · trailing 24 months
StateCoverageInspections
MIMichiganHQ1