Tosoh Corp. revenue for the last year amounted to 6.64 B USD, the most of which — 2.38 B USD — came from its highest performing source at the moment, Chlor-alkali, the year earlier bringing 3.06 B USD. The greatest contribution to the revenue figure was made by Japan — last year it brought Tosoh Corp. 3.33 B USD, and the year before that — 3.92 B USD.