CertainTeed is a subsidiary of Saint-Gobain, one of the top 100 industrial companies in the world. Saint-Gobain employs approximately 19,000 people in North America and approximately 109,000 people in 64 countries world-wide. Saint-Gobain's North American companies operate 130 manufacturing facilities in industries as diverse as industrial ceramics and containers, reinforcements and flat glass, abrasives, and building materials.