Headquarters. Madison, Wis.

Branch Offices. Affiliated Engineers has offices in Chapel Hill, N.C.; Gainesville, Fla.; Washington, D.C.; Seattle; and Walnut Creek, Calif.

Roots. Founded in 1927.

Areas of Expertise. The firm specializes in electrical and information technology systems for large, technically complex facilities.

Key Markets. Research and development, health-care, commercial, infrastructure, process, higher education, and industrial.