Corporate History

As a leader in the telecommunications construction industry, the COMSYS Group has grown by contributing to the construction and operation of Japan’s information and communications infrastructure, which is renowned for its world-class quality.
Going forward, we will contribute to a sustainable society by continuing to build the telecommunications and social infrastructure that supports safer, more secure, and prosperous lives.

Sep. 2003

Comsys Holdings Corporation was established as a pure holding company through a joint stock transfer by Nippon Comsys Corporation, Co., Ltd. Sanwa Elec (currently SANWA COMSYS Engineering Corporation), and East Japan System Construction Co., Ltd. (currently TOSYS Corporation)

Delisted from the First Section of the Tokyo Stock Exchange and the Osaka Stock Exchange (currently the Osaka Exchange)

Oct. 2003

Established COMSYS Shared Services Corporation and outsourced common operations.

Apr. 2007

Converted COMSYS Shared Services Corporation into a wholly owned consolidated subsidiary

Apr. 2009

The information systems business was spun off to form COMSYS JOHO SYSTEM Corporation

Jun. 2009

Changed the unit share number from 1,000 shares to 100 shares

Oct. 2010

Completed a business integration with TSUKEN Corporation through a share exchange.

Jul. 2013

Delisted from the Osaka Stock Exchange due to its stock market integration with that of the Tokyo Stock Exchange

Jun. 2017

Transitioned from a company with Statutory Auditors to a Company with an Audit and Supervisory Committee.

Oct. 2018

Completed a business integration with three companies through a share exchange: NDS Co., Ltd., SYSKEN Corporation, and Hokuriku Denwa Kouji Co., Ltd. (currently HOKUWANEX Co., Ltd.)

Apr. 2022

Changed its listing on the Tokyo Stock Exchange (TSE) from the First Section to the Prime Market segment