Duos Technologies Group, Inc. revenue for the last year amounted to 7.47 M USD, the most of which — 6.26 M USD — came from its highest performing source at the moment, Rail, the year earlier bringing 13.71 M USD. The greatest contribution to the revenue figure was made by United States — last year it brought Duos Technologies Group, Inc. 4.18 M USD, and the year before that — 8.86 M USD.