Registration only
No federal operating authority on file — likely a private or intrastate fleet. That can be perfectly legitimate.
Federal record
Grindstone Freight Llc
USDOT 3626900
Entity type
Carrier
Location
Porter, TX
Phone
(713) 226-9249
Email on file
GR•••@G•••.COM
Power units
1
Drivers
4
First on record
—
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.