ZYXEL GROUP CORPORATION revenue for the last year amounted to 25.97 B TWD, the most of which — 12.17 B TWD — came from its highest performing source at the moment, Brand, the year earlier bringing 12.20 B TWD. The greatest contribution to the revenue figure was made by Other Countries — last year it brought ZYXEL GROUP CORPORATION 18.97 B TWD, and the year before that — 17.05 B TWD.