Donegal Group, Inc. revenue for the last year amounted to 895.70 M USD, the most of which — 533.03 M USD — came from its highest performing source at the moment, Commercial Lines, the year earlier bringing 510.15 M USD. The greatest contribution to the revenue figure was made by United States — last year it brought Donegal Group, Inc. 927.34 M USD, and the year before that — 848.22 M USD.