Registration only
No federal operating authority on file — likely a private or intrastate fleet. That can be perfectly legitimate.
Federal record
Sigma One Construction Inc
USDOT 4523381
Entity type
Carrier
Location
Riverside, CA
Phone
(909) 260-7660
Email on file
E.•••@S•••.COM
Power units
1
Drivers
4
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.