TISC CO. LTD. revenue for the last year amounted to 2.38 B JPY, the most of which — 2.35 B JPY — came from its highest performing source at the moment, System Development, the year earlier bringing 2.12 B JPY. The greatest contribution to the revenue figure was made by Japan — last year it brought TISC CO. LTD. 2.38 B JPY, and the year before that — 2.16 B JPY.