SmithGroupJJR ranks as the United States' 7th largest architecture and engineering firm (Building Design & Construction, July 2009) and employs 800. The firm is composed of client industry-focused practices serving Health, Learning, Science & Technology, and Workplace markets. The firm has 10 nationwide offices in the following cities: Ann Arbor, Chicago, Dallas, Detroit, Durham, Los Angeles, Madison, Phoenix, San Francisco, and Washington, D.C. Established in Detroit in 1853 by architect Sheldon Smith, SmithGroup, 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. It is headquartered in Detroit's Guardian Building.
Hill, Eric J. and John Gallagher (2002). AIA Detroit: The American Institute of Architects Guide to Detroit Architecture. Wayne State University Press. ISBN0-8143-3120-3.
Meyer, Katherine Mattingly and Martin C.P. McElroy with Introduction by W. Hawkins Ferry, Hon A.I.A. (1980). Detroit Architecture A.I.A. Guide Revised Edition. Wayne State University Press. ISBN0-8143-1651-4.
Thomas J Holleman and James P Gallagher (1978). Smith, Hinchman & Grylls : 125 years of architecture and engineering, 1853-1978. Wayne State University Press. ISBN0-8143-1615-7Check |isbn= value (help).