Public carrier profile
John F Simpson
USDOT 9422495
Allowed to operateChecking your watchlist…
Look up another DOTIdentity and status
- USDOT
- 9422495
- DBA
- Simpson Transport And Dozer Service
- Status
- ActiveA
- Allowed to operate
- Yes
- Location
- Milford, CA
Authority
- Authority history events
- 0
Fleet
- Power units
- 3
- Drivers
- 4
Insurance
- Active filings
- 0
Public record refreshed 10/27/2026.