WDB HOLDINGS CO LTD revenue for the last year amounted to 49.30 B JPY, the most of which — 42.12 B JPY — came from its highest performing source at the moment, Human Resource Service, the year earlier bringing 40.86 B JPY. The greatest contribution to the revenue figure was made by Japan — last year it brought WDB HOLDINGS CO LTD 49.30 B JPY, and the year before that — 47.60 B JPY.