Glass Systems

Glass Systems Inc. (GSI) is an employee-owned commercial glazing contractor founded in 1984 and headquartered in Stonecrest, Georgia. The company specializes in the design assistance, fabrication, and installation of curtain walls, window walls, storefront systems, architectural glass, and commercial entrances. It also provides specialty glazing, including security and electrochromic glass, as well as metal facades, rainscreen cladding, and engineered building envelope solutions. Serving architects, developers, and general contractors across 11 U.S. states, GSI offers in-house technical expertise, early project coordination, and comprehensive installation services. With more than 2,000 completed projects, the company stands out for its experienced crews, employee ownership, and ability to handle complex commercial buildings.