About Us

Founded in 1992, Kwan Wo Ironworks prides itself in offering the highest quality construction service to owners and builders. We specialize in fabrication and installation of structural steel compliant with AISC and AWS specifications and miscellaneous steel to various architectural requirements. We offer rapid bid turn-around and short-notice scheduling for projects, and also ensure on-time, on-budget, and superior quality control management for our projects.
Kwan Wo Ironworks Inc. is certified by the American Institute of Steel Construction to have the personnel, organization experience, capability, and commitment meeting the requirements of the Steel Building Structures category as set forth by the AISC Certification Program.
Kwan Wo Ironworks is not only AISC certified fabricator and erector, but also SBE certified with California Department of General Services (DGS), small business certified with Alameda County, LBABE certified with Port of Oakland, LBE certified with Alameda County Transportation Commission, and M/WBE certified with BART, Supplier Clearinghouse, NMSDC, and VTA.
For the past 25 years, we have established ourselves as a renowned steelwork contractor with substantial market share in the Bay Area. We are signatory to the ironworker union, Local 377/378, and have an excellent track record in providing on schedule services for all our clients. Our recent projects include the Washington Hospital project, SF War Memorial project, and SF Equity Potrero Housing project.

Certification

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AISC certified Fabricator and erector

LBABE certified by Port of Oakland

LBE certified by Alameda County Transportation Commission

MBE/ WBE certified by Bart, Supplier Clearinghouse, NMSDC, and VTA

SBE certified by CA DGS

Small business certified by Alameda County 

Member of AISC