THI Consultants Inc. provides professional services in the planning, engineering, operations and management of transportation as well as land development projects. THI was established in 1989 by founders who recognized the great need for professional consulting services in the transportation sector. They had a vision for improving the quality of life for their native land, as well as other parts of the world.

THI has become one of the most reputable transportation and planning consulting firms in Taiwan, employing around 150 staff members serving both public and private sector clients. THI received the National Award of Outstanding Small and Medium Enterprises(SME) in 2011.

THI maintains its headquarters in Taipei with branch offices in Kaohsiung, Taichung, Shanghai, Yilan and Macau. THI developed working relationships with reputable international consultants in Asia, North America and Europe, creating a complete network of resources to enhance the quality of its services.