SEOHAN Co., Ltd. engages in the provision of construction and engineering services. It operates through the following business areas: Architecture, Civil Engineering, Sales, and Others. The Architecture business include construction for offices, education, research, and hospital buildings as well as residential properties. The Civil Engineering business builds highways, roads, schools, dams, railways, and reservoirs. The company was founded in 1971 and is headquartered in Daegu, South Korea.