The official launch of the GS Group took place on March 31 with the companys Announcement of the Corporate Identity Program and Management Philosophy at the GS Tower, located in Yeoksam-dong, Gangnam-gu, Seoul, in the presence of group executives, including Chairman Huh Chang-su. GS Group, once a part of LG Group., has 15 subsidiaries, mainly in petrol and retail businesses, such as GS Caltex and GS Retail.