Seoul hosts large concentration of headquarters of International companies and banks, including 15 companies on fortune 500 list such as Samsung, LG and Hyundai. Most bank headquarters and the Korea Exchange are located in Yeouido (Yeoui island), which is often called "South Korea's Wall Street" and has been serving as the financial center of the city since the 1980s. The Seoul international finance center & SIFC MALL, Hanhwa 63 building, the Hanhwa insurance company head office. Hanhwa is one of the three largest South Korean insurance companies, along with Samsung Life and Gangnam & Kyobo life insurance group.