Apogee Enterprises, Inc. designs and develops glass and metal products and services in the United States, Canada, and Brazil. The company operates in four segments: Architectural Framing Systems, Architectural Glass, Architectural Services, and Large-Scale Optical Technologies (LSO). The Architectural Framing Systems segment designs, engineers, fabricates, and finishes the aluminum frames used in customized aluminum and glass window; curtain wall; storefront; and entrance systems, such as the outside skin and entrances of commercial, institutional, and multi-family residential buildings.