CALMAT CO

USDOT 1024955 ยท Active ยท Doing business as VULCAN MATERIALS COMPANY SHAMROCK MATERIALS INC

Active, interstate carrier, mid-size fleet (89 power units) โ€” safety rating: satisfactory.

Carrier identity

USDOT Number1024955
MC Numberโ€”
Legal NameCALMAT CO
DBA NameVULCAN MATERIALS COMPANY SHAMROCK MATERIALS INC
Entity Typeโ€”
Phone6266332421
Address16013 E FOOTHILL BLVD, Irwindale, CA, 91702

Authority & safety

Operating StatusActive
Operation TypeInterstate
Safety RatingS โ€” Satisfactory (rated 20090807)
Hazmat Flagtrue

Safety ratings: S = Satisfactory, C = Conditional, U = Unsatisfactory. A carrier with no rating has not been through a full FMCSA compliance review โ€” this is common and not itself a red flag.

Fleet & operations

Power Units (trucks)89
Drivers89
Recent Annual Mileage1,067,369
Last MCS-150 Filing01-MAY-25

CALMAT CO operates 89 power units โ€” a larger fleet than 100% of carriers registered in CA.

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