BIO-key International, Inc. revenue for the last year amounted to 9.10 M USD, the most of which — 4.34 M USD — came from its highest performing source at the moment, License Fees, the year earlier bringing 4.58 M USD. The greatest contribution to the revenue figure was made by Europe, Middle East, South America — last year it brought BIO-key International, Inc. 3.80 M USD, and the year before that — 2.58 M USD.