T.Y. Lin International is one of the leading civil and structural engineering companies in the world. Located in Tempe, Ariz., the company specializes in planning, design and construction engineering/inspection of transportation infrastructure for clients in public and private sectors. It also provides construction support and inspection, construction engineering, program management, intelligent transportation and design/build services. Additionally, the company offers aviation projects services which include airfield and terminal planning/design. T.Y. Lin International caters to airports, bridges, roadway systems and rail/transit systems.