IIDA GROUP HOLDINGS CO LTD revenue for the last year amounted to 1.44 T JPY, the most of which — 400.39 B JPY — came from its highest performing source at the moment, Ichi Construction, the year earlier bringing 391.17 B JPY. The greatest contribution to the revenue figure was made by Japan — last year it brought IIDA GROUP HOLDINGS CO LTD 1.44 T JPY, and the year before that — 1.39 T JPY.