Sumco Corp. revenue for the last year amounted to 3.02 B USD, the most of which — 3.02 B USD — came from its highest performing source at the moment, High Purity Silicon, the year earlier bringing 3.36 B USD. The greatest contribution to the revenue figure was made by Taiwan — last year it brought Sumco Corp. 1.05 B USD, and the year before that — 1.04 B USD.