TAISEI ONCHO CO revenue for the last year amounted to 46.46 B JPY, the most of which — 45.23 B JPY — came from its highest performing source at the moment, Construction Contracts, the year earlier bringing 47.41 B JPY. The greatest contribution to the revenue figure was made by Japan — last year it brought TAISEI ONCHO CO 34.01 B JPY, and the year before that — 39.68 B JPY.