CHARLES RIVER LABORATORIES revenue for the last year amounted to 84.44 B MXN, the most of which — 51.11 B MXN — came from its highest performing source at the moment, Discovery and Safety Assessment, the year earlier bringing 44.43 B MXN. The greatest contribution to the revenue figure was made by United States — last year it brought CHARLES RIVER LABORATORIES 46.70 B MXN, and the year before that — 39.87 B MXN.