Soleil solar  produces and develops silicon for use in photovoltaic solar cells in the United States. The company manufactures upgraded metallurgical grade silicon metal through a proprietary metallurgical process. It supplies solar-grade silicon to manufacturers of silicon ingots, wafers, and photovoltaic cells for testing, development, and supply. The company was founded in 2006 and is based in Beverly, Ohio. Solsil, Inc. operates as a subsidiary of Globe Specialty Metals, Inc.