Registration only
No federal operating authority on file — likely a private or intrastate fleet. That can be perfectly legitimate.
Federal record
Keystone Concrete Llc
USDOT 2137867
Entity type
Carrier
Location
Mesa, AZ
Phone
(480) 835-1579
Email on file
KE•••@K•••.COM
Power units
36
Drivers
33
First on record
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Last MCS-150 filing
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TenFour keeps a page for every USDOT registration so brokers and shippers can verify status — inactive companies get this records view, not a website. The full site unlocks if authority is reinstated.