Carrier profile · USDOT 1830 · Updated Jun 21, 2026

SUPERIOR WELDING SUPPLY CO

11 power unitsLocal · 1 statesWATERLOO, IA50/100
AUTHORITY STATUS UNKNOWNRATED SATISFACTORYHAZMAT
Verified linkssupweld.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 mo2
IA busiest

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

Home base
WATERLOO, IA
900 COMMERCIAL ST
Top corridor
IA
IA 2
Density
fewermore
Shade = roadside inspections, last 24 mo.

State activity ranking· all 1 states · trailing 24 mo

Roadside inspections by state · SUPERIOR WELDING SUPPLY CO · trailing 24 months
StateCoverageInspections
IAIowaHQ2