SK Group (Korean: SK그룹, 에스케이그룹) is the third largest conglomerate (chaebol) in South Korea. SK Group is composed of 95 subsidiary companies that share the SK brand name and Group's management culture named SKMS (SK Management System). It changed its name from Sunkyong Group (Korean: 선경그룹, Hanja : 鮮京그룹) to SK Group in 1997.