Carrier profile · USDOT 1025802 · MC-430724 · Updated Jun 13, 2026
TRANS HARBOR SERVICES INC
4 power unitsLocal · 1 statesWILMINGTON, CA50/100
CARRIER ACTIVEMC-430724 ACTIVERATED SATISFACTORYHAZMAT
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
- 222 EAST G STREET, WILMINGTON, CA, 90744
- Operation
- Interstate· Hazmat
Contact
- Phone
- (310) 241-7990
- Fax
- (310) 241-7995
- mark@transharbor.com
- Web domain
- transharbor.com
Registration
- Officers
- Mark Duimstra · Mark Duimstra
- USDOT / docket
- 1025802 · MC-430724
- First registered
- May 6, 2002
- Last MCS-150
- May 12, 2026 · 156,000 mi (2025)
- FMCSA safety rating
- Satisfactory · Jul 21, 2011
- D-U-N-S
- 197843209
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.