United Structures of America, Inc. founded in 1980 remains one of the largest and most respected privately owned and operated ... manufacturers of Pre-Engineered Metal Buildings in the United States. Members of MBMA and accredited IAS AC472, no job is too big or too small. USA, Inc. prides itself on doing business the old-fashioned way - the tradition of working hard to service our customers and earning their trust to develop long standing relationships. read more