Apogee Enterprises, Inc. is engaged in the design and development of glass solutions for enclosing commercial buildings and framing art. The Company operates through four segments: Architectural Glass, Architectural Services, Architectural Framing Systems and Large-Scale Optical Technologies (LSO). The Architectural Glass segment fabricates coated glass used in customized window and wall systems. The Architectural Services segment designs, engineers, fabricates and installs the walls of glass, windows and other curtainwall products making up the outside skin of commercial and institutional buildings. The Architectural Framing Systems segment designs, engineers, fabricates and finishes the aluminum frames used in customized aluminum and glass window, curtainwall, storefront and entrance systems. The Large-Scale Optical Technologies segment manufactures glass and acrylic products for the custom picture framing and fine art markets.