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Establishment of Chubu Communications Construction Co., Ltd. with capital of 5 million yen
Establishment
Japan Telegraph and Telephone Public Corporation 'Telecommunication Construction Participation Qualification': Certified Level 2 Communication Line, Level 3 Communication Equipment, Level 3 Transmission Radio
Japan Telegraph and Telephone Public Corporation 'Telecommunication Construction Participation Qualification': Certified Level 1 Communication Line
Listed on the Second Section of the Nagoya Stock Exchange with capital of 400 million yen
Establishment of Future IN Co., Ltd. (Independent OA Business Division)
Acquisition of Japan Telecom Co., Ltd. 'Comprehensive Communications Equipment Construction Participation Qualification'
Merger with Tokai Communications Construction Co., Ltd.
Name change to SeCube Co., Ltd. (CI implementation)
Name change: from Chubu Communications Construction Co., Ltd. to SeCube Co., Ltd.
New headquarters building established and relocated to Momencho, Naka-ku, Nagoya City.
Absorbed and merged with Chukyo Telephone Construction Co., Ltd. and Yamamoto Communication Construction Co., Ltd.
Converted Aigi Co., Ltd. into a subsidiary.
Promoted to the First Section of the Nagoya Stock Exchange and increased capital to 4.1 billion yen.
Obtained ISO 9001 certification.
Made Sanai Construction Co., Ltd. an affiliate.
Converted Nao Electric Design Co., Ltd. into a subsidiary.
Shimada Construction Co., Ltd. becomes a subsidiary
ISO 14001 certification obtained
CSKE Co., Ltd. becomes a subsidiary
OHSAS 18001 certification obtained
ISMS certification obtained
Fit Create Co., Ltd. becomes a subsidiary
Sankou Communications Co., Ltd. becomes a subsidiary
Telecom Link Co., Ltd. becomes a subsidiary
Mobile communication equipment construction business transferred from Hitachi Electric Wire Co., Ltd.
Muraki Planning Co., Ltd. and Muraki Denki Co., Ltd. become subsidiaries
Tokai Communication Materials Service Co., Ltd. becomes an affiliate
KS Japan Co., Ltd. and T & C Planning Co., Ltd. become subsidiaries
Kyowa Exio Co., Ltd. becomes a fully owned parent and integrates management
Transition to ISO 45001
Made Tohou Construction Co., Ltd. a subsidiary
SeCube Inc. sponsored the "Children’s Newspaper Project 2026", which was conceived by the Aichi and Gifu branches of the Japanese Red Cross Society and produced by Asahi Shimbun. In the project, elementary school students from Aichi and Gifu became child reporters, conducted interviews on the reconstruction of the Noto region in Ishikawa Prefecture, and compiled articles.
C-Cube Co., Ltd. will end production and sales of its high-sugar-content mini tomatoes, produced using ICT, on August 31, 2026. In connection with the business closure, the company plans to transfer the farm’s equipment and trademark. It plans to focus on developing new business areas going forward.
C-Cube Co., Ltd. will transfer all shares of its subsidiary C-Cube Total Service Co., Ltd. to Exeo Group Inc. The subsidiary will merge with Exeo Logistics Service on October 1, 2026. The move aims to optimize the group and maximize synergies.
C-Cube Co., Ltd.’s business and SDG initiatives are featured in Oshigoto Nenkan 2026, a career education supplement published by The Asahi Shimbun Company. The material is distributed to schools and educational institutions nationwide to help children learn about different occupations.
Effective June 12, 2026, C-Cube Co., Ltd. announced an executive change. Tomonobu Nishimura will join as a new director, while Koichi Hirose is among the directors stepping down. Nishimura is scheduled to become Manager of Exeo Group Inc.’s Tokai Branch on July 1.
On May 25, 2026, C-Cube Co., Ltd. announced changes to executive responsibilities, personnel, key appointments, and representative directors of subsidiaries. The changes include new appointments and departures among officers and role changes in key departments. They are scheduled to take effect on June 1 and June 12, 2026.
Effective April 1, 2026, C-Cube Co., Ltd. will make organizational changes, revise executive responsibilities, and carry out key personnel changes. The changes include executive role adjustments and the appointment of new department managers.
C-Cube Co., Ltd. has completed installation work for a cumulative total of 1,000 EV chargers at commercial and public facilities. This is one of the leading results in Japan and will contribute to the development of the country’s EV infrastructure.
C-Cube Co., Ltd. updated its Partnership-Building Declaration to promote mutual prosperity across the supply chain and foster new collaboration. It aims to improve efficiency and create value by advancing e-commerce and IT adoption.
C-Cube Co., Ltd. and Sanko Denshi Co., Ltd. selected, procured, and installed LED signage panels for LIVE BOARD Inc.’s new OMOTESANDO WALL BOARD. The project places a large display on construction hoarding at the Omotesando intersection, aiming to enhance the urban landscape and bring vibrancy to the area.