Carrier profile · USDOT 426552 · MC-652849 · Updated Jun 13, 2026
Mad Dog Express Company Inc
53 power unitsSOUTH SAN FRANCISCO, CA50/100
NO OPERATING AUTHORITYMC-652849 NO AUTHORITYRATED CONDITIONALHAZMAT
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
- 299 LAWRENCE AVE, SOUTH SAN FRANCISCO, CA, 94080
- Mailing address
- P O BOX 281585, SAN FRANCISCO, CA, 94128
- Operation
- Interstate· Hazmat
Contact
- Phone
- (650) 588-1900
- Cell
- (650) 483-8215
- Fax
- (650) 588-4571
- Web domain
- maddog-express.com
Registration
- Officers
- Steve Harth · John P Coleman
- USDOT / docket
- 426552 · MC-652849
- First registered
- Nov 6, 1990
- Last MCS-150
- May 19, 2009 · 1,000,000 mi (2009)
- FMCSA safety rating
- Conditional · Jun 15, 2009
- D-U-N-S
- 604208785
Fleet (self-reported · MCS-150)
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.