OPEN DOOR INC revenue for the last year amounted to 2.56 B JPY, the most of which — 2.53 B JPY — came from its highest performing source at the moment, Travel-Related, the year earlier bringing 2.03 B JPY. The greatest contribution to the revenue figure was made by Japan — last year it brought OPEN DOOR INC 2.56 B JPY, and the year before that — 2.06 B JPY.