CSG SYS INTL DL-,01 revenue for the last year amounted to 1.06 B EUR, the most of which — 1.03 B EUR — came from its highest performing source at the moment, Software as a Service and Related Solutions, the year earlier bringing 928.27 M EUR. The greatest contribution to the revenue figure was made by United States — last year it brought CSG SYS INTL DL-,01 945.02 M EUR.