OPEN TEXT CO revenue for the last year amounted to 77.49 B MXN, the most of which — 33.17 B MXN — came from its highest performing source at the moment, Customer Support, the year earlier bringing 26.35 B MXN. The greatest contribution to the revenue figure was made by United States — last year it brought OPEN TEXT CO 43.72 B MXN, and the year before that — 38.97 B MXN.