Shinya Tsujioka

Nippon COMSYS Corp. provides telecommunications infrastructure services. These includes fiber optic cable installation, cable tunnel construction, and wireless communications base station construction. It also offers general civil engineering services and building construction. The company was founded in December, 1951 and is headquartered in Tokyo, Japan.

Nippon Telegraph & Telephone West Corp. provides regional telecommunication services in the western parts of Japan. The firm's activities include telephone services, integrated digital communications services, leased circuit services and other telecommunication-related activities. The company was founded on July 1, 1999 and is headquartered in Osaka, Japan.

Hokuriku Tsushin Shizai KK is a private company that wholesales electrical apparatus and equipment. The company is based in Kanazawa, Japan.

Part of COMSYS Holdings Corp., Kinden Corp. (Ishikawa) is a company that designs and maintains telecommunications construction. The company is based in Kanazawa, Japan. The Japanese company also provides software development, data processing, and consulting services.

Part of COMSYS Holdings Corp., Telecom Service KK is a Japanese company that engages in the development, installation, and maintenance of telecommunication networks and equipment. The company is based in Fukui, Japan. Telecom Service KK was acquired by Hokuriku Denwa Kouji Co., Ltd., part of COMSYS Holdings Corp. from October 01, 2018 on April 02, 2012.