Carrier profile · USDOT 4270799 · MC-1658580 · Updated Jun 13, 2026

MAMMOTH EXPRESS INC

1 power unitsRIVERTON, WY50/100
NO OPERATING AUTHORITYMC-1658580 NO AUTHORITY
Verified linksFMCSA 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.

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

Home base
RIVERTON, WY
406 N 14TH ST E
Density
fewermore
Shade = roadside inspections, last 24 mo.