Transwestern is a diversified operating company active in the real estate service, development and investment management businesses. Located in Minneapolis, Minn., it is one of the largest privately-held commercial real estate firms in the United States. The firm has product specialties, including office, industrial, retail, multifamily and health care, as well as a wholly-owned research affiliate, Delta Associates. Its integrated services includes market research/analysis, site assessment/acquisition, project/construction management and project marketing, among others. Transwestern's service lines includes development, tenant advisory, investment services group, agency leasing and property/facility management, among others.