IWATANI CORP. revenue for the last year amounted to 5.60 B USD, the most of which — 2.36 B USD — came from its highest performing source at the moment, Total Energy, the year earlier bringing 2.96 B USD. The greatest contribution to the revenue figure was made by Japan — last year it brought IWATANI CORP. 4.71 B USD, and the year before that — 5.90 B USD.