Soon-Ki Hong

GS E&R Corp. operates as a collective energy business which engages in the power, energy and electricity supply. It operates through the following business areas: integrated energy, oil distribution, thermal power generation and renewable energy. The company was founded in August 1990 and is headquartered in Ansan-si, South Korea.

GS Energy Corp. engages in support activities for oil and gas operations. The company was founded on January 3, 2012 and is headquartered in Seoul, South Korea.

GS EPS Co., Ltd. generates and supplies electricity. The firm operates liquefied natural gas fire combined cycle, biomass and fuel cell power plant. It constructs thermal power plant and smart grid. The company was founded on October 9, 1996 and is headquartered in Dangjin, South Korea.

GS Caltex Corp. is engaged in the oil refining business. The company was founded on May 19, 1967 and is headquartered in Seoul, South Korea.

GS Entec Corp. manufactures heat exchange units and energy industry equipment. Its business areas include Chemical Equipment, Energy and Power Plant division. The Chemical Equipment division offers heat exchanger, pressure vessels and drums, reactors and storage tanks. The Energy division provides heat recovery steam generators and heavy wall cylindrical equipment. The Power Plant division manufactures surface condensers, fresh water tanks and deaerators. The company was founded on February 1, 1988 and is headquartered in Ulsan, South Korea.

GS Asset Management Co., Ltd. is a South Korean investment services company founded in 2008. The company provides investment services and is based in Seoul, South Korea. GS Asset Management Co. was acquired by BNK Financial Group, Inc. on July 28, 2015.

Winasset Co., Ltd. is a holding company, which manages non-financial aspects of its subsidiaries. One of its business is equity interest activities. The company was founded on September 7, 1990 and is headquartered in Seoul, South Korea.