In 2021, WRECO, a leader in innovative engineering solutions for communities throughout California, joined global design firm HDR. For more than a century, HDR has partnered with clients to shape communities and push the boundaries of what’s possible. Our engineering, architecture, environmental, and construction services bring an impressive breadth of knowledge to every project.
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WRECO Questions
The WRECO annual revenue was $3.1 billion in 2026.
Han-Bin Liang is the President of WRECO.
21 people are employed at WRECO.
WRECO is based in Walnut Creek, California.
The NAICS codes for WRECO are [541, 5413, 54, 54133].
The SIC codes for WRECO are [87, 871].
Top WRECO Employees
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Han-Bin Liang
President at WRECO
Walnut Creek, CA, US25 -
Thomas Madayag
Assistant Project Manager at WRECO
Vallejo, CA, US12 -
Jillian Freiheit
Water Resources Engineer at WRECO
California, United States31 -
Davis Horeff
Staff Engineer at WRECO
California, United States1 -
Stefan Vallecillo
Project Coordinator at WRECO
California, United States21 -
Alejandra Rodriguez
Civil I E.I.T at WRECO
Davis, CA, US1 -
Frank Taber
Senior Geotechnical Engineer at WRECO
Sacramento, CA, US15+ -
Michael Bajada
Staff Engineer at WRECO
Hayward, CA, US11 -
Binjue Wu
Associate Engineer at WRECO
San Jose, California, United States11 -
Emmy T
Project Adminstrator and Technical Editor at WRECO
San Francisco, CA, US24
