3M CO revenue for the last year amounted to 28.44 B EUR, the most of which — 9.93 B EUR — came from its highest performing source at the moment, Safety and Industrial, the year earlier bringing 10.84 B EUR. The greatest contribution to the revenue figure was made by United States — last year it brought 3M CO 13.68 B EUR, and the year before that — 14.02 B EUR.