Envirocontrol Systems Design, Inc, 3512 Prestwick Ln, Northbrook, IL 60062, US

Wiss, Janney, Elstner Associates (WJE) was founded in 1956 on the principle that delivering better solutions requires a better understanding of the problem. The company is a firm of structural engineers, architects and materials scientists that provide practical and technically sound solutions to problems in existing structures. From the start, WJE has brought a hands-on technical approach, comprehensive testing capabilities and an enthusiasm for problem solving to each construction challenge. After a half-century of solving construction related problems, the company is proud of its contribution to the built world. Wiss, Janney, Elstner Associates is based in Northbrook, Ill., and has provided consulting and research services on more than 50,000 projects throughout the United States and abroad for public and private sector clients. The company has been in business since 1956.