The car and auto parts industry posted the largest number of entrants with 51, followed by builders and construction materials companies with 45, retailers with 44, and refiners and petrochemical makers with 43.

Global tech giant Samsung Electronics remained the dominant No. 1 company, with sales of 201.9 trillion won ($179 billion), which accounted for 7.8 percent of the total top line of the 500 firms.

Leading automaker Hyundai Motor Co. retained its second place with sales of 93.6 trillion won, with state-run power company Kepco staying unchanged at third place with 60.2 trillion won. LG Electronics Inc. came in fourth with 55.4 trillion won, trailed by steel giant Posco with 53.1 trillion won. In 2015, LG came in fifth, while Posco ranked fourth.

Samsung C&T Corp., the de facto holding company of top conglomerate Samsung Group, jumped 31 spots to 13, and Hana Bank surged 18 slots to rank 12th.

"A considerable number of builders and construction materials companies made the list, bolstered by the booming business of the domestic housing market," a CEO Score official said. (Yonhap)