This will impact approximately 100 employees. "HSC expects to notify employees in the next month, with most of those impacted leaving during the first quarter of 2018. HSC will provide outplacement support to employees through a third party provider to assist in identifying job openings and transitioning to new positions outside of the company." HSC, which began its operations in 1961, is composed of several joint venture companies. Hemlock Semiconductor Operations LLC, with manufacturing operations in Hemlock, is owned by subsidiaries of The Dow Chemical Co., Corning Inc. and Shin-Etsu Handotai. HSC is a leading provider of polycrystalline silicon and other silicon-based products used in the manufacturing of semiconductor devices and solar cells and modules.