GS Engineering & Construction Corporation engages in the civil works and architectural construction, construction and sale of new houses, repairs and maintenance, general construction, and technology consultation activities in South Korea and internationally. It operates through Architectural & Housing Construction, New Business, Plant Construction, Infra Works, ECO Business, and Others segments. The Architectural & Housing Construction segment builds and markets various types of buildings for residencies, offices, factories, and others. The New Business segment engages in development of overseas and other activities. The Plant Construction segment constructs petroleum refineries; and gas, petrochemical, and waste and water treatment plants. The Infra Works segment constructs roads, railways, water reservoirs, ports, industrial parks, and underground structures; and privately funded infrastructure projects. The ECO Business segment wastewater treatment plants, power plants, district heating, power control facility, and other businesses. The Others segment constructs resorts and other construction. In addition, it develops and constructs combined cycle, nuclear, coal, and renewable power plants; high voltage substations, and power transmission and distribution lines; and communication and railway infrastructure. Further, the company constructs cultural facilities, hotels, recreational facilities, and integrated sports facilities. Additionally, it is involved in construction management, collective investment, information and communication, finance, leasing, and real estate related services. Furthermore, it engages in fishery related business. The company was formerly known as LG Engineering & Construction Co., Ltd. and changed its name to GS Engineering & Construction Corporation in March 2005. GS Engineering & Construction Corporation was incorporated in 1969 and is based in Seoul, South Korea.