International Business Machines Corporation revenue for the last year amounted to 56.05 B EUR, the most of which — 23.84 B EUR — came from its highest performing source at the moment, Software, the year earlier bringing 23.39 B EUR. The greatest contribution to the revenue figure was made by United States — last year it brought International Business Machines Corporation 22.93 B EUR, and the year before that — 23.45 B EUR.