INTERNATIONAL BUS MACH CORP revenue for the last year amounted to 1.31 T MXN, the most of which — 564.71 B MXN — came from its highest performing source at the moment, Software, the year earlier bringing 446.85 B MXN. The greatest contribution to the revenue figure was made by United States — last year it brought INTERNATIONAL BUS MACH CORP 524.24 B MXN, and the year before that — 429.88 B MXN.