BILLING SYSTEM CORPORATION revenue for the last year amounted to 3.78 B JPY, the most of which — 3.78 B JPY — came from its highest performing source at the moment, Settlement Support, the year earlier bringing 3.43 B JPY. The greatest contribution to the revenue figure was made by Japan — last year it brought BILLING SYSTEM CORPORATION 3.78 B JPY, and the year before that — 3.43 B JPY.