Tammen + Rose Architecture, LLC, Phoenix, AZ 85028, US

DLR Group is a full-service architectural firm that offers services in a variety of areas, including architecture, engineering, planning, sustainable design, master planning, structural engineering and interiors. The company designs structures for several industries, including corporate, education, higher education, justice and sports. Its projects include the Omaha Qwest Center, the University of Florida Ben Hill Griffin Stadium, University of Nebraska Memorial Stadium, courthouses, offices, jails, call centers and convention centers. The firm was founded in 1966 and maintains offices in Phoenix, Omaha, Neb., Portland, Ore., Seattle, Philadelphia and Chicago.