MARUO CALCIUM CO revenue for the last year amounted to 12.59 B JPY, the most of which — 5.53 B JPY — came from its highest performing source at the moment, Calcium Carbonate, the year earlier bringing 5.06 B JPY. The greatest contribution to the revenue figure was made by Japan — last year it brought MARUO CALCIUM CO 10.03 B JPY, and the year before that — 9.27 B JPY.