Based in Littleton, Colo., BNZ Materials Inc. manufactures and supplies a range of specialty industrial insulation products for petrochemical, electrical, aluminum, steel, ovens, glass, furnace, ceramics, fire protection and other industries worldwide. Established in 1987, its products include a variety of insulating fire bricks to meet specific thermal and physical requirements; non-asbestos calcium silicate structural insulations that combine strength and thermal insulating characteristics. BNZ Materials Inc. also manufactures refractory products, such as mortar, insulating / finishing cement, insulating castables, dense castables and aggregate. BNZ Materials Inc. has facilities in Billerica, Mass. and Zelienople, Pa. as well as an insulating firebrick plant in France.