www.systena.co.jp/about/group.html
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グループ会社｜株式会社システナ
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https://www.systena.co.jp/about/group.html
About this page
This page presents Systena Corporation's group companies and subsidiaries. The company operates multiple subsidiaries including ProVision, Tokyo Business Service, GaYa, and IDY, engaged in mobile app development, BPO services, social game development, and IoT device manufacturing. International operations are conducted through subsidiaries in the United States and Vietnam, providing software development and IT services. Affiliated companies include HIS Holdings and security firms. The group pursues strategic focus and concentration, investing resources in growth sectors to maximize profitability through leveraging accumulated technical expertise.
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