TYLin, formerly known as T.Y. Lin International, is a global engineering and architectural firm specializing in infrastructure solutions. Founded in 1954 by T.Y. Lin, the company is known for its expertise in civil and structural engineering, particularly in bridge design, transportation, and urban development. TYLin provides a wide range of services, including planning, design, and construction management for complex infrastructure projects worldwide. The firm operates in multiple sectors, including transportation, aviation, buildings, water, and environment, with a focus on delivering innovative and sustainable solutions. TYLin has played a key role in numerous high-profile projects, contributing to the development of infrastructure that enhances connectivity and supports economic growth.