PHOENIX, AZ (Sept. 15, 2026) - Thornton Tomasetti, the international engineering, science and design firm, has opened a new office in Phoenix, Arizona. The move strengthens the firm’s presence in one of the nation’s fastest-growing metropolitan markets and provides clients with enhanced local support.
The firm has taken 1,712 square feet at 21410 North 19th Street in the Deer Valley area of North Phoenix for a term of five years. The new office will manage Thornton Tomasetti’s growing project portfolio in Arizona, including several industrial and advanced manufacturing facilities. Its initial focus will be on delivering structural engineering and construction engineering services to clients in a wide range of sectors. The local team will draw on Thornton Tomasetti’s multidisciplinary expertise across the organization to provide integrated, full-service solutions.
“Phoenix is one of the most dynamic and rapidly expanding markets in the country,” Associate Principal Gregory Litterick, who will be leading the Phoenix office, said. “Establishing a local presence allows us to collaborate more closely with clients, attract top talent and deliver the innovative engineering for which Thornton Tomasetti is known for.”