Registration only
No federal operating authority on file — likely a private or intrastate fleet. That can be perfectly legitimate.
Federal record
Cornerstone Concrete Services Llc
USDOT 3327509
Entity type
Carrier
Location
Columbia, SC
Phone
(803) 309-5802
Email on file
WI•••@C•••.COM
Power units
1
Drivers
1
First on record
—
Last MCS-150 filing
—
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.