Obayashi Corp. revenue for the last year amounted to 15.79 B USD, the most of which — 8.35 B USD — came from its highest performing source at the moment, Domestic Architecture, the year earlier bringing 7.95 B USD. The greatest contribution to the revenue figure was made by Japan — last year it brought Obayashi Corp. 11.54 B USD, and the year before that — 11.53 B USD.