License is active
Source: Contractors State License Board (CSLB)
Licensed
Current and in good standing
Bonded
$25,000 surety bond
Insured
Workers' comp coverage on file
Clean record
No complaints or disciplinary actions
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ACE ENGINEERING INC
- License Number
- 613320
- State
- California
- Status
- active
- Business Type
- Corporation
- Address
- 337 NORTH VINEYARD AVE STE 205 ONTARIO, CA, 91764 San Bernardino County
- Phone
- (909) 392 4600
License Dates
Issued
02/24/1991
Expires
02/28/2027
Expires in 11 months
CSLB Last Updated
01/06/2026
Personnel & Officers
WANG DONG UK
Responsible Managing Employee
Qualifier bond: ST PAUL GUARDIAN INSURANCE COMPANY
LEE JOHN OUK| LEE OUK HEE
Responsible Managing Officer/Chief Executive Officer/President
MOON PETER SOUNG-HWAN
Responsible Managing Employee
Qualifier bond: AMERICAN CONTRACTORS INDEMNITY COMPANY
OH JIN SUN
Officer
LEE SEUNG WON
Officer
LEE IL H
Officer
HINSHAW ROBERT THOMAS
Responsible Managing Officer
Qualifier bond: FRONTIER PACIFIC INSURANCE COMPANY
CHOI JIN WOO
Officer
JEON SIMON SEONG-OH
Responsible Managing Employee
Qualifier bond: WESTERN SURETY COMPANY
Contractor Bond
Amount: $25,000
Company: WESTERN SURETY COMPANY
Bond #58710752
Effective: 01/01/2023
Workers' Compensation
Carrier: EMPLOYERS PREFERRED INSURANCE COMPANY
Policy #EIG577448001
Effective: 01/01/2026
Expires: 01/01/2027
CSLB designation: Workers' Compensation Insurance
Complaints & Disciplinary History
This reflects CSLB's bulk license data. For detailed complaint history including pending investigations, check the official CSLB record.
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California licensing guide →Data sourced from official state licensing board records. Always confirm critical information directly with the state board.
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