SIOS CORPORATION revenue for the last year amounted to 15.89 B JPY, the most of which — 9.91 B JPY — came from its highest performing source at the moment, Open System Infrastructure, the year earlier bringing 8.72 B JPY. The greatest contribution to the revenue figure was made by Japan — last year it brought SIOS CORPORATION 15.07 B JPY, and the year before that — 13.63 B JPY.