AAON, Inc. revenue for the last year amounted to 1.20 B USD, the most of which — 858.71 M USD — came from its highest performing source at the moment, AAON Oklahoma, the year earlier bringing 897.92 M USD. The greatest contribution to the revenue figure was made by United States — last year it brought AAON, Inc. 1.17 B USD, and the year before that — 1.13 B USD.