Apogee Enterprises, Inc. engages in the design and development of glass solutions for enclosing commercial buildings and framing art. It transforms plain glass to create distinctive solutions for architects, building owners, contractors, picture framers, and others. The company operates through the following segments: Architectural Glass; Architectural Services; Architectural Framing Systems; and Large-Scale Optical Technologies. The Architectural Glass segment fabricates glass used in customized window and curtain wall systems comprising the outside skin of commercial and institutional buildings. The Architectural Services segment primarily installs and renovates customized aluminum and glass window; as well as curtain wall systems. The Architectural Framing Systems segment designs, engineers, and fabricates the aluminum frames used in customized aluminum and glass window, curtain wall, storefront, and entrance systems. The Large-Scale Optical Technologies segment manufactures value-a