DS TechStar, Inc. is a US-based company engaged in developing and engineering bridge related products, including expansion joints, bearing systems, shear keys, and damping systems, among others. The company has provided engineered products for bridges and architectural applications in nearly 50 countries, including China, Japan, Korea, Thailand, Hong Kong, Indonesia, Taiwan, Bangladesh, India, Dubai, England and Canada. In Latin America, TechStar provided over 2,000 meters of W Seal for the Rio Niteroi Bridge project in the State of Rio de Janeiro in Brazil. In Ecuador, the firm supplied the pot bearings for the Avenidas Americas Expressway Project in Guayaquil. TechStar was incorporated in 1990 and is based in Ohio, United States.