Joint venture partners

The Hemlock Semiconductor Group (Hemlock Semiconductor) is comprised of two joint ventures: Hemlock Semiconductor Corporation and Hemlock Semiconductor, L.L.C. The companies are joint ventures of Dow Corning Corporation, Shin-Etsu Handotai and Mitsubishi Material 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 Michigan operations in 1961 and broke ground at its Tennessee location in 2009.

Dow Corning (63.25 percent ownership)
Shin-Etsu Handotai Co. Ltd. (24.5 percent ownership)
Mitsubishi Materials Corporation (12.25 percent ownership)

Dow Corning Corporation is a global leader in silicon-based technology and solutions, offering more than 7,000 products and services.

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.