TSI/Exterior Wall Systems

TSI Corporations (TSI) is a locally owned business, established in 1977, specializing in the design, engineering and installation of building envelope glass systems, ornamental metals, and aluminum metal panels. TSI has completed 600 projects in the greater Washington DC and Baltimore areas.  Our target markets are Class A office, healthcare / hospitals, higher education, sports facilities, mixed-use communities, and exterior renovations.  Over the past 5 years, the company focus has been on design assist projects within these sectors, accounting for nearly 90% of our projects.