Middlefield Banc Corp. revenue for the last year amounted to 68.89 M USD, the most of which — 71.89 M USD — came from its highest performing source at the moment, Banking and Related Activities, the year earlier bringing 56.92 M USD. The greatest contribution to the revenue figure was made by United States — last year it brought Middlefield Banc Corp. 71.89 M USD, and the year before that — 56.92 M USD.