HELMERICH & PAYNE INC revenue for the last year amounted to 2.48 B EUR, the most of which — 2.20 B EUR — came from its highest performing source at the moment, North America Solutions, the year earlier bringing 2.38 B EUR. The greatest contribution to the revenue figure was made by United States — last year it brought HELMERICH & PAYNE INC 2.30 B EUR, and the year before that — 2.51 B EUR.