Joint venture partners

Hemlock Semiconductor Group consists of several joint venture companies owned by Dow Corning Corporation, Shin-Etsu Handotai and Mitsubishi Materials Corporation. Hemlock Semiconductor is a leading provider of polycrystalline silicon and other silicon-based products used in the manufacturing of semiconductor devices and solar cells and modules. Hemlock Semiconductor began its operations in 1961.

Dow Corning Corporation is a global leader in silicones, silicon-based technology and innovation, Dow Corning offers more than 7,000 products and services via the company’s Dow Corning® and XIAMETER® brands.

Shin-Etsu Handotai Co. Ltd. is a global leader in high-purity semiconductor bare, epitaxial, and SOI (silicon on insulator) wafer manufacturing, engineering, and support services.

Mitsubishi Materials Corporation is a diversified materials company in industries including construction, electronics, tool production, recycling, and energy.