GSW Construction Inc. is a heavy civil contractor providing services in the greater San Francisco Bay Area.
Founded in March 2021, GSW Construction brings over 40 years of collective experience to every project. Based in San Francisco, the company specializes in underground utilities, structural concrete, water and wastewater facilities, bridges, and specialty piping systems.
GSW serves public utility agencies, private utility agencies, and general contractors throughout the region. The team's depth of experience spans mass excavation, large diameter welded steel pipe, water and wastewater facility construction, aviation fuel line installation, and structural concrete work.
As a union contractor signatory to Operating Engineers Local 3, Carpenters, and Laborers, GSW maintains the highest standards of craft quality and workforce development on every project.