MTU AERO ENGINES AG NPV (REGD) revenue for the last year amounted to 6.33 B EUR, the most of which — 4.18 B EUR — came from its highest performing source at the moment, Civil Engine Maintenance (Maintenance, Repair and Overhaul), the year earlier bringing 3.56 B EUR. The greatest contribution to the revenue figure was made by United States — last year it brought MTU AERO ENGINES AG NPV (REGD) 3.33 B EUR, and the year before that — 3.41 B EUR.