Allegion plc revenue for the last year amounted to 3.65 B USD, the most of which — 2.44 B USD — came from its highest performing source at the moment, Mechanical, the year earlier bringing 2.30 B USD. The greatest contribution to the revenue figure was made by Americas — last year it brought Allegion plc 2.91 B USD, and the year before that — 2.55 B USD.