QUANTA SERVICES, INC revenue for the last year amounted to 354.69 B MXN, the most of which — 164.70 B MXN — came from its highest performing source at the moment, Electric Power, the year earlier bringing 174.38 B MXN. The greatest contribution to the revenue figure was made by United States — last year it brought QUANTA SERVICES, INC 304.22 B MXN, and the year before that — 280.68 B MXN.