SmithGroupJJR is an architectural firm headquartered in Guardian Building in Detroit, Michigan. As of 2016, it ranks among the top 10 Architecture firms according tohttp://www.architectmagazine.com/architect-50/2016/ and as the United States' seventh largest architecture and engineering firm (Building Design & Construction, July 2015). The firm is composed of client industry-focused practices serving Campus, Community, Waterfront, Health, Learning, Science & Technology, and Workplace markets. The firm has offices in ten cities: Detroit, Ann Arbor, Chicago, Dallas, Los Angeles, Madison, Phoenix, San Francisco, Shanghai, and Washington, D.C. The firm employs 800. Established in Detroit in 1853 by architect Sheldon Smith, SmithGroupJJR, along with Luckett and Farley, is the longest continually operating architecture and engineering firm in the United States that is not a wholly owned subsidiary. In 2000, the firm changed its name from Smith, Hinchman & Grylls to SmithGroup. In 2011, the firm incorporated its sister firm, JJR, into its current name.