Carrier profile · USDOT 2521939 · Updated Aug 20, 2026

406 Propane LLC

4 power unitsavg 7.2 yrLocal · 1 statesMISSOULA, MT100/100
AUTHORITY STATUS UNKNOWNHAZMAT
Verified linksriversidecontracting.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 mo10
MT busiest

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

Home base
MISSOULA, MT
5571 ALLOY SOUTH
Top corridor
MT
MT 10
Density
fewermore
Shade = roadside inspections, last 24 mo.

State activity ranking· all 1 states · trailing 24 mo

Roadside inspections by state · 406 PROPANE LLC · trailing 24 months
StateCoverageInspections
MTMontanaHQ10