Clean Harbors CLH
Employee Count
Total number of employees at Clean Harbors (CLH) and historical employee count data
22,796Current Employees▲ +1,775 (+8.44%) YoY
Clean Harbors total employee count in 2025 was 22,796, a +1,775 (+8.44%) increase in headcount from 2024.
Clean Harbors total employee count in 2024 was 21,021, a +1,246 (+6.30%) increase in headcount from 2023. Revenue per employee was $275,772, a $5,275 (+1.95%) increase from 2023.
Clean Harbors total employee count in 2023 was 19,775, a +1,475 (+8.06%) increase in headcount from 2022. Revenue per employee was $270,497, a -$3,163 (-1.16%) decline from 2022.
Clean Harbors total employee count in 2022 was 18,300, a +4,800 (+35.56%) increase in headcount from 2021. Revenue per employee was $273,661, a $15,714 (+6.09%) increase from 2021.