【Former Sumitomo Electric Hightechs Co., Ltd.】
1974
Established Sumiden Busitronics Co., Ltd.
Commenced design, production, sales, and maintenance of mini-computer systems and a wide variety of terminal units.
1987
Changed the company name of Sumiden Busitronics Co., Ltd. to Sumitomo Electric Hightechs Co., Ltd.
2000
Inherited information equipment business from Sumitomo Electric Industries, Ltd.
Absorbed and reorganized the Systems Promotion Department of Sumitomo Electric Industries, Ltd.
2002
Merged with Sim Design Technology Corporation.
2003
Established CS Manufacturing, Inc.
【Former Sumitomo Electric Field Systems Co. Ltd. 】
1984
Established Sumiden System Co., Ltd.
Commenced operation after transference of business in the area of traffic control system construction, maintenance and software from the Systems & Electronics Division of Sumitomo Electric Industries, Ltd.
1987
Changed the company name of Sumiden System Co., Ltd. to Sumitomo Electric System Engineering Co., Ltd.
1992
The business in the area of construction and maintenance was split off to become a new company,Sumiden Field Engineering Co., Ltd.
Changed the company name of Sumitomo Electric System Engineering Co., Ltd. to Sumitomo Electric Systems Co., Ltd.,specializing in software.
2003
Changed the company name to Sumitomo Electric Field Systems Co. Ltd.after transference of business in the area of software from Sumitomo Electric Systems Co., Ltd.
2004
Inherited business in the area of hardware design, as well as software design and production, from the Systems & Electronics Division of Sumitomo Electric Industries, Ltd.
【Sumitomo Electric System Solutions Co., Ltd.】
2006
Sumitomo Electric Hightechs Co., Ltd. and Sumitomo Electric Field Systems Co., Ltd. merged to form Sumitomo Electric System Solutions Co., Ltd.
2009
Opened Osaka Branch Office.
2011
Consolidated the order handling operations of the Systems & Electronics Division of Sumitomo Electric Industries into the Company for orders related to domestic public sector demand in the ITS business.
2018
Transferred IT asset management software business to Sumitomo Electric Information Systems Co., Ltd.
2019
Transferred network engineering business to Sumitomo Densetsu Co., Ltd.
2024
Certified as an AWS Advanced Tier Service Partner.