Yooshin Engineering Corporation provides engineering consulting services in South Korea and internationally. It offers various services, including feasibility study, basic and detailed design, construction project management, and post-completion maintenance services. The company provides its services for transportation sector, such as national highways and local roads, railways, airports, aviation security facilities, new and existing ports development, bridges, and tunnels. It also offers various ground surveys and analysis, and structure basic design services; and dam development, groundwater development, river maintenance, water supply and sewerage, drainage facilities, water purification plant design, dam and steel facility design, renewable energy facility design, and power supply facility design services. In addition, the company provides landscape planning and design services; preliminary environmental review, environmental impact assessment, and post-environmental impact survey services; and construction project management services. Yooshin Engineering Corporation was founded in 1966 and is based in Seoul, South Korea.