Compagnie de Saint-Gobain S.A. (French pronunciation: [sɛ̃ ɡɔbɛ̃]) is a French multinational corporation, founded in 1665 in Paris and headquartered on the outskirts of Paris, at La Défense and in Courbevoie. Originally a mirror manufacturer, it now also produces a variety of construction, high-performance, and other materials.