Apogee Enterprises, Inc. is a provider of architectural products and services for enclosing buildings, and high-performance glass and acrylic products used for preservation, energy conservation, and enhanced viewing. The Company's segments include Architectural Framing Systems, Architectural Glass, Architectural Services and Large-Scale Optical (LSO). Architectural Framing Systems segment designs, engineers, fabricates and finishes aluminum window, curtainwall, storefront and entrance systems for the exterior of buildings. Architectural Glass segment coats and fabricates high-performance glass used in custom window and wall systems on non-residential buildings. Architectural Services segment integrates technical services, project management, and field installation services to design, engineer, fabricate, and install building glass and curtainwall systems. LSO segment manufactures high-performance glazing products for the custom framing, fine art, and engineered optics markets.