Tae-Hyung Lee

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 Power Co. Ltd. owns & operates power plants and heating facilities. The firm's plant generates and sells electric power. The company was founded on June 7, 2000 and is headquartered in Anyang-si, 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 Caltex Corp. is engaged in the oil refining business. The company was founded on May 19, 1967 and is headquartered in Seoul, South Korea.

Incheon Total Energy Co. provides heating and cooling services, through eco-friendly facilities, to local areas around Songdo city. Its services include supplying hot and cold water, heat, and cool air to residential and commercial buildings. The company was founded on June 10, 2004 and is headquartered in Incheon, South Korea.