Registration only
No federal operating authority on file — likely a private or intrastate fleet. That can be perfectly legitimate.
Federal record
Isc Building Materials Walker And Byrd Building Materials
USDOT 278344
Entity type
Carrier
Location
Dallas, TX
Phone
(214) 827-2000
Email on file
AL•••@I•••.COM
Power units
49
Drivers
52
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.