Environmental Services was Clean Harbors’s largest segment in fiscal 2025, bringing in $5.15B of $6.03B (85%).
| Segment | FY 2009 | FY 2010 | FY 2011 | FY 2012 | FY 2013 | FY 2014 | FY 2015 | FY 2016 | FY 2017 | FY 2018 | FY 2019 | FY 2020 | FY 2021 | FY 2022 | FY 2023 | FY 2024 | FY 2025 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Environmental Services | $4.14B | $4.47B | $4.96B | $5.15B | |||||||||||||
| Sk Environmental Services | — | — | — | — | |||||||||||||
| Safety-Kleen | — | — | — | — | |||||||||||||
| Technical Services | — | — | — | — | |||||||||||||
| Safety-Kleen Sustainability Solutions | $1.02B | $938.80M | $929.22M | $884.30M | |||||||||||||
| Industrial & Field Services | — | — | — | — | |||||||||||||
| Industrial Services | — | — | — | — | |||||||||||||
| Kleen Performance Products | — | — | — | — | |||||||||||||
| Field Services | — | — | — | — | |||||||||||||
| Oil, Gas & Lodging Services | — | — | — | — | |||||||||||||
| Oil & Gas Field Services | — | — | — | — | |||||||||||||
| Lodging Services | — | — | — | — | |||||||||||||
| Operating Segments & Corporate Non Segment | — | — | — | — | |||||||||||||
| Corporate | $507.00K | $447.00K | $407.00K | $186.00K | |||||||||||||
| Corporate, Non-Segment | — | — | — | — | |||||||||||||
| Corporate & Other | — | — | — | — | |||||||||||||
| Corporate Items | — | — | — | — | |||||||||||||
| Total | $5.17B | $5.41B | $5.89B | $6.03B |
Clean Harbors brought in $6.03B from its three segments in fiscal 2025, the year ended December 31, 2025. That was up 2.4% from $5.89B in fiscal 2024. Environmental Services was the largest at $5.15B (85.3%), ahead of Safety-Kleen Sustainability Solutions at $884.30M (14.7%) and Corporate at $186.00K (0.0%).
Compared with fiscal 2024, Environmental Services grew 3.8% to $5.15B, while Safety-Kleen Sustainability Solutions fell 4.8% to $884.30M. From fiscal 2022 to 2025, combined revenue from these segments grew from $5.17B to $6.03B, a compound annual growth rate of 5.3%. Environmental Services' share of the total rose from 80.2% to 85.3%.
Technical Services was Clean Harbors’s largest product and service line in fiscal 2025, bringing in $1.86B of $6.03B (31%).
| Product and Service | FY 2016 | FY 2017 | FY 2018 | FY 2019 | FY 2020 | FY 2021 | FY 2022 | FY 2023 | FY 2024 | FY 2025 |
|---|---|---|---|---|---|---|---|---|---|---|
| Service Revenues | — | — | — | — | ||||||
| Technical Services | $1.50B | $1.56B | $1.73B | $1.86B | ||||||
| Industrial Services & Other | $1.31B | $1.42B | $1.38B | $1.33B | ||||||
| Safety-Kleen Environmental Services | $962.70M | $1.10B | $1.18B | $1.31B | ||||||
| Safety-Kleen Oil | $821.77M | $713.97M | $699.49M | $593.87M | ||||||
| Field & Emergency Response Services | $575.30M | $609.91M | $895.12M | $937.36M | ||||||
| Field & Emergency Response | — | — | — | — | ||||||
| Product Revenues | — | — | — | — | ||||||
| Operating Segments & Corporate Non Segment | — | — | — | — | ||||||
| Corporate | $507.00K | $447.00K | $407.00K | $186.00K | ||||||
| Corporate, Non-Segment | — | — | — | — | ||||||
| Total | $5.17B | $5.41B | $5.89B | $6.03B |
Clean Harbors brought in $6.03B from its six product and service lines in fiscal 2025, the year ended December 31, 2025. That was up 2.4% from $5.89B in fiscal 2024. Technical Services was the largest at $1.86B (30.8%), ahead of Industrial Services & Other at $1.33B (22.0%) and Safety-Kleen Environmental Services at $1.31B (21.8%). The other three lines brought in $1.53B combined.
Compared with fiscal 2024, Safety-Kleen Environmental Services grew fastest, up 10.8% to $1.31B, while Safety-Kleen Oil fell the most, down 15.1% to $593.87M. From fiscal 2022 to 2025, combined revenue from these lines grew from $5.17B to $6.03B, a compound annual growth rate of 5.3%. Technical Services' share of the total rose from 28.9% to 30.8%.
United States was Clean Harbors’s largest region in fiscal 2025, bringing in $5.49B of $6.03B (91%).
| Geography | FY 2011 | FY 2012 | FY 2013 | FY 2014 | FY 2015 | FY 2016 | FY 2017 | FY 2018 | FY 2019 | FY 2020 | FY 2021 | FY 2022 | FY 2023 | FY 2024 | FY 2025 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| United States | $4.58B | $4.87B | $5.35B | $5.49B | |||||||||||
| United States & Puerto Rico | — | — | — | — | |||||||||||
| Canada | $590.44M | $539.97M | $537.53M | $539.95M | |||||||||||
| Operating Segments & Corporate Non Segment | — | — | — | — | |||||||||||
| Corporate | $507.00K | $447.00K | $407.00K | $186.00K | |||||||||||
| Corporate, Non-Segment | — | — | — | — | |||||||||||
| Total | $5.17B | $5.41B | $5.89B | $6.03B |
Clean Harbors brought in $6.03B from its three regions in fiscal 2025, the year ended December 31, 2025. That was up 2.4% from $5.89B in fiscal 2024. United States was the largest at $5.49B (91.0%), ahead of Canada at $539.95M (9.0%) and Corporate at $186.00K (0.0%).
Compared with fiscal 2024, United States grew 2.6% to $5.49B and Canada grew 0.5% to $539.95M. From fiscal 2022 to 2025, combined revenue from these regions grew from $5.17B to $6.03B, a compound annual growth rate of 5.3%. United States' share of the total rose from 88.6% to 91.0%.
Clean Harbors (CLH) reports its revenue by segment, by product and service and by geography. In fiscal 2025, Environmental Services was its largest segment, bringing in $5.15B (85.3% of the total), followed by Safety-Kleen Sustainability Solutions at $884.30M (14.7%).
Environmental Services was Clean Harbors' largest segment in fiscal 2025, bringing in $5.15B, or 85.3% of the $6.03B total across its three segments.
Technical Services was Clean Harbors' largest product and service line in fiscal 2025, bringing in $1.86B, or 30.8% of the $6.03B total across its six product and service lines.
United States was Clean Harbors' largest region in fiscal 2025, bringing in $5.49B, or 91.0% of the $6.03B total across its three regions.
Environmental Services grew faster than Safety-Kleen Sustainability Solutions in fiscal 2025, up 3.8% from $4.96B to $5.15B. Safety-Kleen Sustainability Solutions fell 4.8% to $884.30M.
Every figure comes from Clean Harbors' annual financial filings, as reported. Each line keeps the name Clean Harbors gives it, and years follow its fiscal calendar.
Clean Harbors' revenue by segment goes back to fiscal 2009, with figures through fiscal 2025. The latest four fiscal years are free to view, and the full history is available with a Business Quant subscription.