SUMCO CORPORATION revenue for the last year amounted to 396.62 B JPY, the most of which — 396.62 B JPY — came from its highest performing source at the moment, High Purity Silicon, the year earlier bringing 425.94 B JPY. The greatest contribution to the revenue figure was made by Taiwan — last year it brought SUMCO CORPORATION 138.76 B JPY, and the year before that — 147.77 B JPY.