Serpentina Vault, MetalWorks

One of the world’s largest manufacturers of ceilings and walls, Armstrong World Industries operates 31 plants in seven countries with roughly 9,300 employees worldwide. With $2.8 billion in revenues in 2010, the company is a formidable economic force in U.S. manufacturing. Armstrong offers a full line of both residential and commercial ceiling and wall products, including decorative, translucent, fabric and suspension systems.