BERKSHIRE HATHAWAY INC CLASS'A'USD5 revenue for the last year amounted to 364.48 B USD, the most of which — 95.02 B USD — came from its highest performing source at the moment, Insurance, the year earlier bringing 82.38 B USD. The greatest contribution to the revenue figure was made by United States — last year it brought BERKSHIRE HATHAWAY INC CLASS'A'USD5 303.92 B USD, and the year before that — 253.68 B USD.