Established in 1947, American Buildings Company is one of the largest manufacturers of custom-engineered steel building systems worldwide. The company provides metal roof and wall systems, components and accessories. American Buildings Company offers product design, engineering, and research and development services. The company provides several wall products, such as shadows and insulated panels. American Buildings Company serves the aerospace, manufacturing, transportation, education, distribution, agriculture and retail industries. The company offers preassembled walk doors, heavy-duty closers, panic devices and mortise locks. American Buildings Company provides hinges, latch guards, windows, skylights and soffit panels. The company additionally offers gravity ventilators, wall louvers and metal walkway systems.