SUMCO Corp

S3X

Company Profile

  • Business description

    Founded in 1999 as a joint venture between Nippon Steel and two Mitsubishi entities, Sumco is the world’s second-largest semiconductor-grade silicon wafer manufacturer, with an estimated 22% market share in 2024. Sumco is headquartered in Tokyo and operates seven production sites across Japan. It also maintains sales and support offices in Taiwan, the US, the UK, Indonesia, and Singapore. Sumco sells to most semiconductor manufacturers like TSMC, Intel, Samsung, and Micron. The firm employs over 9,800 people.

  • Contact

    1-2-1 Shibaura, Seavans North
    Minato-ku
    Tokyo105-8634
    JPN

    T: +81 354440808

    http://www.sumcosi.com

  • Sector

    Technology

    Stock type

    Sensitive

  • Industry

    Semiconductor Equipment & Materials

    Fiscal Year End

    31 December 2025

    Employees

    10,803

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