Saint-Gobain SA (Euronext: SGO) is a French multinational corporation, founded in 1665 in Paris and headquartered on the outskirts of Paris at La Défense. Originally a mirror manufacturer, it now also produces a variety of construction and high-performance materials. Active in 39 countries, the Flat Glass business unit is targeting so-called “emerging” countries for expansion, a market that now accounts for more than one third of its sales. Products include self-cleaning, electrochromic, low-emissivity and sun-shielding glass.