Carrier profile · USDOT 4401768 · MC-1727967 · Updated Jun 13, 2026
HAPPYWORK INC
2 power unitsavg 9.9 yrLocal · 2 statesDIAMOND BAR, CA74/100
CARRIER ACTIVEMC-1727967 ACTIVE
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
- 1527 SAPPHIRE LN, DIAMOND BAR, CA, 91765
- Operation
- Interstate
Contact
- Phone
- (840) 248-8000
Registration
- Officer
- Bingwei Zhang
- USDOT / docket
- 4401768 · MC-1727967
- First registered
- Apr 29, 2025
- Last MCS-150
- Jun 19, 2025 · 70,000 mi (2024)
- FMCSA safety rating
- Not rated
- D-U-N-S
- —
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.