ASPEN TECHNOLOGY INC revenue for the last year amounted to 20.68 B MXN, the most of which — 14.41 B MXN — came from its highest performing source at the moment, Heritage AspenTech, the year earlier bringing 13.04 B MXN. The greatest contribution to the revenue figure was made by United States — last year it brought ASPEN TECHNOLOGY INC 8.87 B MXN, and the year before that — 6.65 B MXN.