Founded in 1956 in Japan, ADK is an advertising company that specializes in providing television, print and interactive advertising solutions. It is an affiliated company of WPP Group. ADK has nearly 30 offices in over 10 countries. Its clients include Agnona, Asahi Beer, Cardinal Health, Mitsubishi Motors, Fujitsu, Pentax, Famima, Toshiba, Pioneer, Maxell and Sanyo. The company operates in North America through its subsidiary, ADK AMERICA.