General Info

Thornton-Tomasetti Group, headquartered in New York City, is one of the leading building structural engineering firms with offices in various countries. It provides multidisciplinary design services to building industry clients. The company offers professional design services through its three divisions, including Thornton-Tomasetti Engineers Division, LZA Technology Division, and LZA Associates Division. It also offers a wide range of newsletters, brochures, papers, and technical publications and presentations. Thornton-Tomasetti Group has more than 10 offices throughout the United States, and also has offices in Hong Kong, Moscow and Shanghai. It employs more than 500 individuals worldwide. Thornton-Tomasetti Group was established in 1956 as Lev Zetlin & Associates.