Clean Harbors, Inc. revenue for the last year amounted to 5.41 B USD, the most of which — 4.47 B USD — came from its highest performing source at the moment, Environmental Services, the year earlier bringing 4.14 B USD. The greatest contribution to the revenue figure was made by United States — last year it brought Clean Harbors, Inc. 4.87 B USD, and the year before that — 4.58 B USD.