SAGE Electrochromics

engages in the manufacture and sale of insulating glass units and control systems to window and skylight manufacturers in the residential marketplace. The company also provides windows, skylights, and curtain walls for commercial and institutional buildings.

It offers its products to owner-occupied office spaces, museums, libraries, art galleries, health care facilities, religious facilities, aviation facilities, high-tech or image buildings, and atriums and overhead daylight openings. was founded in 1989 and is based in Faribault, Minnesota. operates as a subsidiary of Saint-Gobain.