Founded in 1956 and headquartered in Northbrook, Illinois, Wiss Janney Elstner Associates (WJE) is a nationally recognized structural engineering and testing firm specializing in investigation, evaluation, repair, and restoration of existing structures. With 700+ engineers, architects, and scientists across 17 offices, WJE has assessed and restored some of America’s most significant buildings and infrastructure including the US Capitol Building, Golden Gate Bridge anchorages, and hundreds of historic landmarks. WJE’s structural design practice focuses on building restoration, facade rehabilitation, parking structure repair, and forensic structural investigation for insurance, litigation, and design improvement purposes.