TAISEI ONCHO CO revenue for the last year amounted to 61.06 B JPY, the most of which — 58.47 B JPY — came from its highest performing source at the moment, Construction Contracts, the year earlier bringing 45.23 B JPY. The greatest contribution to the revenue figure was made by Japan — last year it brought TAISEI ONCHO CO 45.26 B JPY, and the year before that — 34.01 B JPY.