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Case FileDOT 4401768
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Carrier Profile · DOT 4401768

Happywork INC

For-Hire CommonInterstateDiamond Bar, CA 91765
Updated 2026-05-29T12:34:25.215Z·By Sarah Chen, Lead Safety Analyst·Reviewed by James Rodriguez·Methodology v2.1

Happywork INC has operated for 1.1y with a fleet of 2 power units and 2 drivers under Common authority. The company has recorded 2 roadside inspections in its operating history.

Identity
Legal nameHappywork INC
DBA
DOT #4401768
MC #MC1727967
CityDiamond Bar
StateCalifornia
ZIP91765
Authority age1.1y
StatusActive
Common authority✓ Authorized
Contract authorityNot authorized
Broker authorityNot authorized
OperationInterstate
HazmatNot authorized
MCS-150 filed06/19/2025
Company officerBingwei Zhang
FMCSA SAFER →FMCSA Safety Scores (SMS) →
Fleet size
2
Power units
Drivers
2
Total drivers
Inspections
2
On record
Crashes
0
On record
OOS Rate
50.0%
Above national avg (22.26%)

Source: FMCSA compliance records, Truck Graph analysis. View methodology

Location

1527 SAPPHIRE LN, Diamond Bar, CA, 91765

1527 SAPPHIRE LN, DIAMOND BAR, CA, 91765Open in Maps →

Inspection history

2 total inspections. OOS rate: 50.0%. Showing last 5.

DateStateLevelDriver OOSVehicle OOS
12/29/2025AZ200
8/26/2025CA201

Source: FMCSA inspection records. View methodology

Crash history

0 crashes on record. Showing last 3.

No crash records found.

Source: FMCSA crash records. View methodology

Insurance status

Current insurance filing on record with FMCSA.

Status
Active
Insurer
HYUNDAI MARINE & FIRE INS CO LTD (US BRANCH)
Coverage
$750,000
Effective
6/24/2025

Source: FMCSA insurance filings. View methodology

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Raw Trucking
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Tryn LLC
Anaheim, CA
55,000 power units · DOT 4362233
My-D Pins And Collectibles LLC
Anaheim, CA
40,000 power units · DOT 4347659
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Authority timeline

Key events in this carrier's operating authority history.

Authority Granted
Apr 2025
FMCSA issued operating authority
Active
Current
Authority currently active

Source: FMCSA authority records and revocation orders. View methodology

Research this company

Verify independently using official government and public sources.

FMCSA SAFER System
Official DOT safety record, authority status, inspections
Google Search
News, reviews, and web presence
California Secretary of State
Business registration and corporate filings
Better Business Bureau
Complaints, ratings, and accreditation status
LinkedIn
Company employees, leadership, and network
PACER (Federal Courts)
Federal litigation, bankruptcy filings

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Frequently asked

Happywork INC

Answers from verified compliance records.

Is Happywork INC authorized to operate?

Yes. Happywork INC holds Common operating authority and is currently active.

What is Happywork INC's safety record?

Happywork INC has 2 roadside inspections on record. Crash history shows 0 incidents. Review the full safety profile above before making a freight decision.

How many trucks does Happywork INC operate?

Happywork INC operates 2 power units with approximately 2 drivers.

Is Happywork INC insured?

Happywork INC has active insurance coverage on file. Coverage amount and carrier details are shown in the insurance section above.

Has Happywork INC had any risk indicators?

No risk indicators have been detected for Happywork INC as of the most recent data sync.

What is the DOT number for Happywork INC?

Happywork INC's DOT number is 4401768 and MC number is MC1727967. These identifiers are assigned by the FMCSA and can be used to look up this carrier in official compliance databases.

Cite this page

For journalists and researchers

Truck Graph data is open and citable. For press inquiries, contact our editorial team.

APA
Truck Graph. (2026). Happywork INC Safety Record, DOT 4401768. Retrieved from https://truckgraph.com/carriers/4401768
MLA
"Happywork INC Safety Record, DOT 4401768." Truck Graph, May 29, 2026, https://truckgraph.com/carriers/4401768
Chicago
"Happywork INC Safety Record, DOT 4401768." Truck Graph. Last modified May 29, 2026. https://truckgraph.com/carriers/4401768
SC
Sarah Chen
Lead Safety Analyst · 12 years freight intelligence
JR
James Rodriguez
Risk Analysis Editor
Last editorial review
Methodology v2.1 →