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Hemlock Semiconductor is the nation’s leading producer of hyper-pure polysilicon for the electronics and solar industries. Learn more about our company.

The world’s most advanced technologies begin at HSC. At HSC, we create a critical building block for tomorrow’s high-tech products. Without the kind of hyper-pure, high-quality polysilicon we provide, …

WE ARE HEMLOCK SEMICONDUCTOR Most people know us as HSC. We’re a global company that makes hyper-pure polysilicon — the key ingredient that powers microchips and solar panels — right …

Jan 28, 2026 · Hemlock, Mich. – Hemlock Semiconductor (HSC), the nation’s leading producer of hyper-pure polysilicon for the semiconductor and solar industries, today announced Fernando Signorini has …

Hemlock Semiconductor is the Place for Success Since 1961, HSC has been a leading global provider of hyper-pure polysilicon and is the only polysilicon manufacturer headquartered in the United States. …

Jan 5, 2026 · Hemlock, Mich. – Hemlock Semiconductor, the nation’s leading producer of hyper-pure polysilicon for the semiconductor and solar industries, today announced the release of its third …

Sep 9, 2020 · About Hemlock Semiconductor Hemlock Semiconductor Operations (HSC) is a leading provider of ultra-pure polycrystalline silicon and other silicon-based products used in the manufacture …

May 8, 2025 · Hemlock, Mich. – Hemlock Semiconductor (HSC), the nation’s leading producer of hyper-pure polysilicon for the semiconductor and solar industries, today announced the addition of two new …

Our hyper-pure polysilicon becomes fabricated wafers and integrated circuit chips used by leading semiconductor manufacturers. As the nation’s leading supplier of polysilicon, HSC enables …