AMERICAN WATER WORKS COMPANY INC revenue for the last year amounted to 3.84 B EUR, the most of which — 3.55 B EUR — came from its highest performing source at the moment, Regulated Businesses, the year earlier bringing 3.27 B EUR. The greatest contribution to the revenue figure was made by United States — last year it brought AMERICAN WATER WORKS COMPANY INC 3.84 B EUR, and the year before that — 3.54 B EUR.