Entertainment company affiliated with Hankyu and Toho.
Main line is management of theaters in Tokyo and Osaka, moving into sports facilities.
Main line is movie entertainment, a major firm in Nagoya. Also in shop management and real estate rental. Once the computer arm of Mitsubishi Bank, Diamond became independent in 1970. The company offers a range of services, from system integration and outsourcing to network services and multimedia, and is especially strong in the financial settlement business. Diamond will complete a major information center in Chiba Prefecture, next to Tokyo, in February 1997, expanding its area of operations.