Unicon Holdings Co., Ltd.

Unicon Holdings Co., Ltd. is a diversified holding company specializing in the management and oversight of group companies within the construction sector. Founded in 2019 and headquartered in Sendai, Miyagi Prefecture, the company principally administers subsidiaries and affiliates engaged in both civil engineering and building construction activities. Unicon Holdings coordinates several notable regional construction firms, including Sanwa Construction, Ono Nakamura, Minami-kai Seibu Construction Corporation, Nanso Construction, and Daiwa Ready-mix Shirakawa Plant. Through these entities, the company plays a significant role in developing and maintaining vital public infrastructure—constructing coastal disaster defenses, bridges, roads, dams, and other community-critical projects across Japan, with a particular focus on the Tohoku region. By integrating operations under a central holding structure, Unicon Holdings aims to achieve greater operational efficiency, resource sharing, and regional project responsiveness. Its market presence underscores the importance of infrastructure maintenance and development within Japan’s construction industry, and the company contributes to supporting both regional economies and the broader national interest through its integrated approach to general contracting and infrastructure delivery.