NOS, SGPS, SA revenue for the last year amounted to 1.60 B EUR, the most of which — 1.53 B EUR — came from its highest performing source at the moment, Telco, the year earlier bringing 1.47 B EUR. The greatest contribution to the revenue figure was made by Portugal — last year it brought NOS, SGPS, SA 1.60 B EUR, and the year before that — 1.52 B EUR.