First Financial Bancorp. revenue for the last year amounted to 835.58 M USD, the most of which — 835.58 M USD — came from its highest performing source at the moment, Commercial Banking and Other Banking and Banking-related Activities, the year earlier bringing 840.19 M USD. The greatest contribution to the revenue figure was made by United States — last year it brought First Financial Bancorp. 835.58 M USD, and the year before that — 840.19 M USD.