BIO-key International, Inc. revenue for the last year amounted to 9.10 M USD, the most of which — 4.58 M USD — came from its highest performing source at the moment, License Fees, the year earlier bringing 2.56 M USD. The greatest contribution to the revenue figure was made by North America — last year it brought BIO-key International, Inc. 3.55 M USD, and the year before that — 3.30 M USD.