Jae-Hyeok Jang

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 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.

Part of GS Holdings Corp., PLS Co., Ltd. is a South Korean company that wholesales telecommunications equipment and parts. The company is based in Pyeongtaek, South Korea.

Part of SJ Energy Co. Ltd., Yeosu Green Energy is a company that generates and distributes electricity. The company is based in Yeosu, South Korea. Yeosu Green Energy was acquired by SJ Energy Co. Ltd. on January 03, 2019 for $3.38 million. Hyeon-Cheol Park has been the CEO of the South Korean company since 2016.

GS Yeongyang Windpower Co. Ltd. provides electricity generation services. The company was founded on August 31, 2012 and is headquartered in Seoul, South Korea.

Yeong Yang Wind Power Corp-2 provides power generation services. The company was founded on November 13, 2009 and is headquartered in Yeongyang-gun, South Korea.