Accurate Partitions Corp. opened for business in Chicago in 1957, and operated as a division of US Gypsum for many years. Purchased in 1984 by ITR Industries, which also owns several other construction-product companies, including American Specialties (ASI), Watrous, and ASI Storage Solutions, Accurate currently operates manufacturing plants in Chicago, IL and Toccoa, GA. Privately owned, Accurate Partitions is one of the largest and most successful toilet partition manufacturers in the world.