Hemlock Semiconductor Email Format
Chemical ManufacturingMichigan, United States501-1000 Employees
Hemlock Semiconductor Operations (HSC) is a leading producer of ultra-pure polycrystalline silicon and other silicon-based materials used in the manufacture of semiconductors and solar cells. These materials enable the fabrication of high-tech electronics and solar modules, and HSC emphasizes an efficient manufacturing process with an ultra-low-carbon footprint. The company serves customers in the semiconductor and solar industries that require reliable, high-purity silicon materials to support device production. Based in Hemlock, Michigan, the company was founded in 1961 and operates within the chemical manufacturing sector. In June 2026, Hemlock Semiconductor appointed Drew Laney as vice president of manufacturing.