INTEGRATED SERVICE TECHNOLOGY INC revenue for the last year amounted to 3.81 B TWD, the most of which — 3.81 B TWD — came from its highest performing source at the moment, Testing Services, the year earlier bringing 3.74 B TWD. The greatest contribution to the revenue figure was made by Asia — last year it brought INTEGRATED SERVICE TECHNOLOGY INC 3.08 B TWD, and the year before that — 3.05 B TWD.