SCSK Corporation (株式会社SCSK) is a leading Japanese IT services company headquartered in Tokyo. Founded in 1968 and formerly known as Sumitomo Computer Systems Corporation, it became a wholly-owned subsidiary of Sumitomo Corporation following a merger in 2011 and was delisted from the Tokyo Stock Exchange in 2026.
The company provides a comprehensive range of IT solutions, including system integration, software development, cloud computing, IT infrastructure management, consulting, and cybersecurity services, primarily on a B2B basis. SCSK serves diverse industries such as manufacturing (26.5% of FY2024 net sales), distribution, finance, and public sectors, supporting over 10,000 clients with digital transformation initiatives.
Through subsidiaries like SCSK Europe, it aids global operations, including supply-chain optimization projects for Sumitomo Corporation's energy customers. Recent efforts focus on AI, quantum computing for materials informatics, and partnerships like with Citrine Informatics for AI-driven materials and chemicals applications.
Also known as Sumisho Computer Systems Corporation.
AI/data platform to optimize OCTG supply chain—inventory, processing and billing. Europe pilot validated; rollout from FY2026 with phased function and regional expansion.
