TTWiiN is a technology accelerator launched by Thornton Tomasetti. It is established to incubate and innovate companies operating in the architecture, engineering and construction sectors. It leverages the technical expertise across Thornton Tomasetti's 10 centers of excellence. Each year, TTWiiN will select additional products from the firm's CORE research and development program, its technology incubator. It is based in New York, New York.