SUMCO

Sumitomo Mitsubishi Silicon Corporation (SUMCO) manufactures electronic-grade silicon wafers for the semiconductor industry. Our wafers are used by companies all over the world to make integrated circuits and semiconductor devices that power a myriad of electronic products, from computers to cell phones, digital watches to automobile engine systems. With proprietary technologies pioneered in Japan and here in the U.S., SUMCO is able to meet and exceed customers' expectations, even as their need for sub-micron-level surface flatness and hyper-clean surfaces increases. SUMCO USA employs about 1,800 people at five manufacturing facilities in the United ( www.sumcosi.com )