Clean Harbors: Number of Employees 2010-2024 | CLH
- Clean Harbors total number of employees in 2022 was 19,775, a 8.06% increase from 2021.
- Clean Harbors total number of employees in 2021 was 18,300, a 35.56% increase from 2020.
- Clean Harbors total number of employees in 2020 was 13,500, a 6.25% decline from 2019.