SUMCO CORP./  JP3322930003  /

Established in 1999 through a collaboration between Nippon Steel and two Mitsubishi entities, Sumco stands as the world's second-largest producer of semiconductor-grade silicon wafers, holding a 22% market share in 2022. With headquarters in Tokyo and seven production sites in Japan, Sumco also operates globally with sales and support offices in Taiwan, the U.S., the U.K., Indonesia, and Singapore. The company serves major semiconductor manufacturers such as TSMC, Intel, Samsung, and Micron.