High-Purity Silicon America Corporation (HSA)
In a field driven by the demand for quality - where purity is measured in "parts per trillion" - HSA has established itself as an industry leader. With a relentless pursuit of the highest level of excellence in every phase of corporate growth and development, HSA is committed to the "never-ending process" - the Continuum of Quality. We strive to understand and meet the needs of our employees, customers and neighbors. We continually look for ways to improve our processes, procedures, people, and products; because we realize that quality is a never-ending process. We strive to become the industry's preferred supplier of Polysilicon by satisfying our customer's needs for product performance, technical service and on-time delivery.
High-Purity Silicon America Corporation (HSA) is a recent addition to the SUMCO group of companies. HSA was first incorporated as Mitsubishi Polycrystalline America Corporation (Mitsubishi Polysilicon) in 1996, wholly owned by Mitsubishi Materials Corporation (MMC).