Compagnie de Saint-Gobain SA engages in the design, manufacture, and distribution of materials and services for the construction and industrial markets. Its brands include CertainTeed, Gyproc, ISOVER, Weber, Placo, British Gypsum, Rigips, bassetts, brasilit, and cebrace. The company was founded in October 1665 and is headquartered in Courbevoie, France.