IS DONGSEO Co., Ltd. engages in the manufacture and sale of ceramic and concrete products. It operates through the following business areas: Ceramic, Construction, Concrete, Rental and Maritime. The Ceramic business division offers products such as tiles, sanitary ware and bidet. The Concrete business division offers concrete filings and prestressed concrete frames. The Construction business division provides civil engineering, building and construction works. The Rental business division offers rental services for industrial machineries and equipment. The Maritime business division provides marine freight transport services. It also provides leasing, property sales and other services. The company was founded in September 1975 and is headquartered in Seoul, South Korea.