Holley Inc. revenue for the last year amounted to 659.70 M USD, the most of which — 287.21 M USD — came from its highest performing source at the moment, Electronic Systems, the year earlier bringing 282.87 M USD. The greatest contribution to the revenue figure was made by United States — last year it brought Holley Inc. 644.65 M USD, and the year before that — 669.19 M USD.