Gratz Industries is a historic American manufacturer of architectural metal, furniture, sculpture, and objects. The company has been operating since 1929 originally named Treitel – Gratz in NYC developing projects for the iconic industrial designers Raymond Loewy and Donald Deskey and serving the design community for the past 90 years. During the 1940s -1960s, Gratz established working relationships with Mies van der Rohe and le Corbusier originally manufacturing their furniture for Knoll in the USA.