AAON INC revenue for the last year amounted to 25.03 B MXN, the most of which — 17.90 B MXN — came from its highest performing source at the moment, AAON Oklahoma, the year earlier bringing 15.25 B MXN. The greatest contribution to the revenue figure was made by United States — last year it brought AAON INC 24.40 B MXN, and the year before that — 19.17 B MXN.