IS DongSeo Co., Ltd. engages in the construction and construction materials businesses in South Korea. The company is involved in construction business, that includes housing, business, civil, and urban development; environment, that includes waste recycling, lithium-ion battery recycling, auto resource recycling, EPC-O&M environmental facilities, and new renewable energy business; and concrete business, that includes PICE and PC products. It also produces denim apparels and fabrics; environment services, such as construction waste treatment, waste landfill, dismantling, and recycling of scrap vehicles; and waste battery recycling, as well as recreational leisure business, as well as operates in shipping industry. In addition, the company constructs roads, bridges, tunnels, railroads, and ports. The company was founded in 1975 and is headquartered in Seoul, South Korea.