OKAYA & CO. LTD. revenue for the last year amounted to 1.11 T JPY, the most of which — 424.87 B JPY — came from its highest performing source at the moment, Steel, the year earlier bringing 408.62 B JPY. The greatest contribution to the revenue figure was made by Japan — last year it brought OKAYA & CO. LTD. 791.17 B JPY, and the year before that — 655.39 B JPY.