Charles River Laboratories International, Inc. revenue for the last year amounted to 4.13 B USD, the most of which — 2.62 B USD — came from its highest performing source at the moment, Discovery and Safety Assessment, the year earlier bringing 2.45 B USD. The greatest contribution to the revenue figure was made by United States — last year it brought Charles River Laboratories International, Inc. 2.35 B USD, and the year before that — 2.34 B USD.