History

April, 1950

"Taiyo Densetsu Co." was Founded

November, 1962

Listed on Osaka Stock Exchange, Second Section

March, 1969

Renamed to "Taiyo Kudo Construction Co., Ltd."

November, 1972

Listed on Tokyo Stock Exchange, Second Section

July, 1985

Renamed to "Sumitomo Densetsu Co., Ltd."

October, 1985

Merged with "Sumiden Kucho Co., Ltd."

September, 1995

Listed on First Section of Tokyo & Osaka Stock Exchanges