EPAM SYSTEMS INC revenue for the last year amounted to 4.25 B EUR, the most of which — 4.22 B EUR — came from its highest performing source at the moment, Professional Services, the year earlier bringing 4.48 B EUR. The greatest contribution to the revenue figure was made by North America — last year it brought EPAM SYSTEMS INC 2.51 B EUR, and the year before that — 2.71 B EUR.