Clarksville, Tenn.
Hemlock Semiconductor Corp. broke ground in November of 2009 on a $1.2 billion polysilicon manufacturing plant in Clarksville, Tenn. Slated for completion in 2012, the facility will house approximately 500 employees. Polysilicon is a raw material used to make solar cells and semiconductor devices. Michigan-based Hemlock Semiconductor is a joint venture between Dow Corning Corp. and two Japanese companies, Shin-Etsu Handotai Co. and Mitsubishi Materials Corp.