I-K CO LTD revenue for the last year amounted to 5.33 B JPY, the most of which — 9.65 B JPY — came from its highest performing source at the moment, Sales Marketing, the year earlier bringing 10.70 B JPY. The greatest contribution to the revenue figure was made by Japan — last year it brought I-K CO LTD 14.18 B JPY, and the year before that — 16.34 B JPY.