AUTOMATIC DATA PROCESSING INC COM STK USD0.10 revenue for the last year amounted to 18.01 B USD, the most of which — 12.04 B USD — came from its highest performing source at the moment, Employer Services, the year earlier bringing 10.97 B USD. The greatest contribution to the revenue figure was made by United States — last year it brought AUTOMATIC DATA PROCESSING INC COM STK USD0.10 15.95 B USD, and the year before that — 14.50 B USD.