Apogee Enterprises, Inc. engages in the design and development of architectural products and services. The company is headquartered in Minneapolis, Minnesota and currently employs 4,900 full-time employees. The firm operates through 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 aluminum window, curtainwall, storefront and entrance systems for the exterior of buildings. The Architectural Glass segment coats and fabricates glass used in custom window and wall systems on commercial buildings. The Architectural Services segment integrates technical services, project management, and field installation services to design, engineer, fabricate, and install building glass and curtainwall systems. The LSO segment manufactures glazing products for the custom framing, fine art, and engineered optics markets.