Profile

Company Name	SEMLINKS Co.,Ltd.
Osaka Head Office	2-1-4 Awaza, Nishi-ku,Osaka, Osaka 550-8550
Tokyo Head Office	3-12-15 Mita,Minato-ku, Tokyo 108-8303
Establishment	April, 1950
Capital	JPY 6,440,430,000
Number of Employees （End of March 2026）	3,786(consolidated) 1,917（single-company）
Management System	ISO9001 Electrical Power Headquarters / Tobu Headquarters / Seibu Headquarters / International Headquarters / Communication Systems Division / Environmental Solutions Division / Purchasing Division ISO14001 Electrical Power Headquarters ISO27001 Information and Telecommunications System Division

Corporate Philosophy

Recognizing its social mission and responsibility, the SEMLINKS Group:

Aims to develop a favorable environment to support a prosperous and secure society.
Values its technical prowess and the customer's confidence in it, and provides high quality engineering service that gives a high level of customer satisfaction.
Practices fair and transparent management based on compliance in keeping with a high standard of corporate ethics.
Seeks to create a vibrant and pleasant business environment while fostering employees rich in creativity.

April, 1950	Establishment of Taiyo Densetsu Co., Ltd.
November, 1962	Listing on the Second Section of the Osaka Stock Exchange
March, 1969	Change of name to "Taiyo Kudo Construction Co., Ltd."
November, 1972	Listing on the Second Section of the Tokyo Stock Exchange
July, 1985	Change of name to "Sumitomo Densetsu Co., Ltd."
October, 1985	Merger with Sumiden Kucho Co., Ltd.
September, 1995	Listing on the First Section of the Tokyo and Osaka Stock Exchanges