Apogee Enterprises, Inc. (Apogee) is involved in the design and development of value-added glass products, services and systems. The Company operates in four segments: Architectural Glass, Architectural Framing Systems, Architectural Services and Large-Scale Optical Technologies. The Architectural Glass segment fabricates glass used in customized window and curtainwall systems comprising the outside skin of commercial and institutional buildings. The Architectural Framing Systems segment designs, engineers and fabricates the aluminum frames used in customized aluminum and glass window, curtainwall, storefront and entrance systems comprising the outside skin and entrances of commercial and institutional buildings. The Architectural Services segment primarily installs and renovates customized aluminum and glass window and curtainwall systems comprising the outside skin and entrances of commercial and institutional buildings.