GS Group is one of the largest South Korean conglomerates.

The asset size is 65.4 trillion KRW at the end of 2019 placing GS as the 8th largest chaebol in Korea excluding the public business companies.

GS Holdings was incorporated in July 2004[1] and officially split from LG Group in January 2005, with the Koo family gaining full control over LG Group and the Huh family creating GS Holdings.

The subsidiaries of GS Holdings are as follows:[3] Energy and Power Retail and service Construction and infrastructure GS Engineering & Construction Corporation is a Korea-based global EPC contractor having wide range of experience in refineries, gas and petrochemical plants providing design and construction services.

The company has been working as an engineering-procurement-construction contractor working in the fields of oil, gas, and petrochemical projects; designs and environmental facilities (sewage system maintenance, and sewage and wastewater treatment; building industrial incineration facilities).