Corporate Information

Delivering responsiveness that is quick and precise. We have established a global network of technology development, manufacturing, and sales.

Mission Statement

Introducing the philosophy subscribed to by the entire workforce here at SUMCO


Introducing SUMCO CSR Policy and CSR Activities

Corporate Governance

Introducing SUMCO's Corporate Governance

Corporate Data

Introducing our trade name, our year of establishment, and other basic information pertaining to SUMCO


Introducing SUMCO's organizational chart


Introducing our directors and executive officers

Company History

Introducing our history as it extends from our establishment in 1937 to the present


Introducing a map of our Tokyo headquarters as well as our various other locations

Environmental Management

Introducing our initiatives for ensuring that our rich natural environment will be inherited by the next generation

Safety and Health

Introducing SUMCO Group's Basic Policy on Safety and Health, and Health Declaration