MARUO CALCIUM CO revenue for the last year amounted to 12.89 B JPY, the most of which — 5.11 B JPY — came from its highest performing source at the moment, Compound Calcium Carbonate, the year earlier bringing 5.53 B JPY. The greatest contribution to the revenue figure was made by Japan — last year it brought MARUO CALCIUM CO 10.52 B JPY, and the year before that — 10.03 B JPY.