Carrier profile · USDOT 2927162 · Updated Jun 19, 2026

Montana Frontier Sandstone LLC

2 power unitsavg 17.5 yrLocal · 1 statesROUNDUP, MT50/100
AUTHORITY STATUS UNKNOWNHAZMAT
Verified linksmontanafrontiersandstone.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 mo4
MT busiest

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

Home base
ROUNDUP, MT
3610 HWY 87 S
Top corridor
MT
MT 4
Density
fewermore
Shade = roadside inspections, last 24 mo.

State activity ranking· all 1 states · trailing 24 mo

Roadside inspections by state · MONTANA FRONTIER SANDSTONE LLC · trailing 24 months
StateCoverageInspections
MTMontanaHQ4