INTERNATIONAL BUS MACH CORP revenue for the last year amounted to 61.86 B USD, the most of which — 26.31 B USD — came from its highest performing source at the moment, Software, the year earlier bringing 25.04 B USD. The greatest contribution to the revenue figure was made by United States — last year it brought INTERNATIONAL BUS MACH CORP 25.31 B USD, and the year before that — 25.10 B USD.