Wiss, Janney, Elstner Associates, Inc. is an American corporation of architects, engineers, and materials scientists specializing in the investigation, analysis, testing, and design of repairs for historic and contemporary buildings and... Wikipedia
Headquarters: Northbrook, IL
Founder: Jack R. Janney
Founded: 1956
President: William J. Nugent
Number of locations: 600 employees in 20 locations throughout the United States