Carrier profile · USDOT 3089034 · MC-1100964 · Updated Jun 13, 2026
ROCK HARD CEMENTING LLC
39 power unitsGLENROCK, WY48/100
CARRIER INACTIVEMC-1100964 INACTIVEHAZMAT
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
GLENROCK, WY
Density
fewermore