GS Engineering & Construction Corp. is a Korea-based company engaged in the construction and civil engineering businesses. The Company mainly operates in five segments: architecture segment constructs office buildings, hospitals, education facilities, sports centers, shopping centers, production facilities and others; civil engineering segment constructs expressways, railways, bridges, harbors and others; housing segment constructs apartments and residential complex buildings, plant segment constructs oil, gas and petrochemical plants, and power and environment segment construction power plant and environment facilities. It also engages in the hotel business through its subsidiary, PARNAS HOTEL CO., LTD. On May 31, 2011, the Company acquried a 79.62% stake in OHL Medio Ambiente Inima, S.A.