AMERICAN WATER WORKS COMPANY INC revenue for the last year amounted to 71.92 B MXN, the most of which — 66.58 B MXN — came from its highest performing source at the moment, Regulated Businesses, the year earlier bringing 68.36 B MXN. The greatest contribution to the revenue figure was made by United States — last year it brought AMERICAN WATER WORKS COMPANY INC 71.92 B MXN, and the year before that — 73.96 B MXN.