SEI INVESTMENT CO revenue for the last year amounted to 32.61 B MXN, the most of which — 11.39 B MXN — came from its highest performing source at the moment, Investment Managers, the year earlier bringing 12.19 B MXN. The greatest contribution to the revenue figure was made by United States — last year it brought SEI INVESTMENT CO 27.86 B MXN, and the year before that — 31.66 B MXN.