Company Outline

Company outline As of July 1st, 2022

Location of Head Office and Branches Shimbashi Sumitomo Bldg Fl 11, 5-11-3, Shimbashi, Minato-ku, Tokyo,
105-0004, Japan
TEL 03-5425-4431
FAX 03-5425-5727
Capital 240 million yen
Established April 8, 1988
President CEO Hiroyuki Kitade
Employees 122
Main Business Operations Environment sector machinery & equipment, Plant surveys, etc. design, manufacturing

Corporate History

April 1972 Commenced engineering operations in Engineering Machinery Workshop of Sumitomo
Metal Mining Co., Ltd. For the SMM Group Japan and overseas
April 1988 Established Sumiko Boshoku Co., Ltd. (Port & harbor structures/ Corrosion protection for buried pipes, etc.)
July 1989 Established Sumiko Engineering Co., Ltd. (Engineering operations for SMM Group in Japan and overseas)
April 2002 Sumiko Engineering Co., Ltd. And Sumiko Boshoku Co., Ltd. Were merged to form Sumiko Eco-Engineering Co., Ltd.
April 2004 The Equipment Technology Center of Sumitomo Metal Mining Co., Ltd. at Besshi mainly undertook engineering and equipment maintenance for Sumitomo Metal Mining nonferrous smelting operations. This Besshi Center merged with the Engineering Operations Division and the Iron and Steel Works Division of Sumiko Tscnology Service Co., Ltd. A new company was formed with the name of SMM Plant Engineering Co., Ltd.
March 2008 Sumiko Eco-Engineering Co., Ltd. terminated its corrosion prevention operations.
April 2008 SMM Plant Engineering Co., Ltd. and Sumiko Eco-Engineering Co., Ltd. merged to form Sumitomo Metal Mining Engineering Co., Ltd.
April 2015 Engineering and maintenance business of nonferrous smelting in district of Niihama was transferred to Sumitomo Metal Mining Co., Ltd.