Carrier profile · USDOT 972091 · Updated Jun 13, 2026
DELTA STAR INC
DBA TRANSFORMER MANUFACTURING
1 power unitSAN CARLOS, CA50/100
AUTHORITY STATUS UNKNOWN
Identity & Federal
The official FMCSA identity — legal name, DBA, addresses, contact, officers, and registration — alongside the daily-captured federal-record activity feed, monitored daily by Vektor.
Location
- Physical address
- 270 INDUSTRIAL RD, SAN CARLOS, CA, 94070-6212
- Operation
- Interstate
Contact
- Phone
- (650) 508-2850
- Fax
- (650) 593-0733
- bobbyw@deltastar.com
- Web domain
- deltastar.com
Registration
- Officer
- Marion Jaroszewski
- USDOT / docket
- 972091
- First registered
- Aug 9, 2001
- Last MCS-150
- Feb 3, 2009 · 0 mi
- FMCSA safety rating
- Not rated
- D-U-N-S
- —
Fleet (self-reported · MCS-150)
—Annual mileage
MCS-150 filing history· biennial-update cadence
Per-filing MCS-150 history (each biennial update + the fleet/mileage it reported) is being captured from the daily federal feed and will appear here as we capture the full history.
Federal record activity· monitored daily by Vektor
No licensing or insurance changes captured since Vektor began monitoring this carrier (June 2026). Quiet is usually good.