GCS-SIGAL is a results-driven general contractor in the Washington DC metro area, providing expertise in design-build, adaptive reuse, historic renovation, commercial interiors, multi-family, and affordable housing projects. We believe that our people, our partnerships, and our collaborative approach are the driving force in achieving outstanding results. Our award-winning service has been recognized by many local and national associations, including the Washington Building Congress, Engineering News-Record, DC Preservation League, Associated Builders and Contractors, AIA, NAIOP, and more.
