Enclos, located in Eagan, Minn., specializes in the design, engineering, fabrication and installation of exterior wall systems for buildings and structures throughout North America. It is one of the largest curtain wall and glazing specialty subcontractors in North America. Many prominent and architecturally striking buildings located throughout the United States are examples of the company s approach to providing fully engineered glass, aluminum and granite integrated exterior wall systems. In 2006, Enclos was selected to provide the 750,000 square foot exterior envelope package for Comcast's new headquarters in downtown Philadelphia. Along with its corporate office in Eagan, it has additional offices in Baltimore, Boston, Chicago, Las Vegas, Los Angeles, New York, San Francisco, St. Louis and Canada.