Carrier profile · USDOT 2802232 · MC-936321 · Updated Jun 13, 2026
JOE TOPP
DBA DIAMOND T OILFIELD SERVICE
2 power unitsSIDNEY, MT50/100
CARRIER ACTIVEMC-936321 ACTIVE
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
SIDNEY, MT
Density
fewermore