BERKSHIRE HATHAWAY CLASS B revenue for the last year amounted to 330.22 B EUR, the most of which — 86.09 B EUR — came from its highest performing source at the moment, Insurance, the year earlier bringing 76.97 B EUR. The greatest contribution to the revenue figure was made by United States — last year it brought BERKSHIRE HATHAWAY CLASS B 275.35 B EUR, and the year before that — 237.03 B EUR.