OYO CORP revenue for the last year amounted to 65.60 B JPY, the most of which — 24.03 B JPY — came from its highest performing source at the moment, Infrastructure and Maintenance, the year earlier bringing 19.85 B JPY. The greatest contribution to the revenue figure was made by Japan — last year it brought OYO CORP 49.34 B JPY, and the year before that — 46.39 B JPY.