Registration only
No federal operating authority on file — likely a private or intrastate fleet. That can be perfectly legitimate.
Federal record
Mountaintop Stoneworks Inc
USDOT 4424280
Entity type
Carrier
Location
Dubuque, IA
Phone
(563) 584-9499
Email on file
BO•••@M•••.COM
Power units
1
Drivers
1
First on record
—
Last MCS-150 filing
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TenFourHQ 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.