Founded in 1958, Airoom is one of the leading design/ build firms in the United States. It also provides services that include architecture, engineering, construction, and interior design. The company additionally offers renovation services. Airoom maintains a more than 30,000-square-foot showroom. Airoom offers S.T.A.R.T. process, which is a system to assure resources and timing and ensures that home addition, kitchen and renovation projects runs smoothly. With a location in Lincolnwood, Ill., the company maintains an additional office in Naperville, Ill.