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Clean Harbors vs Perma Fix Environmental Services: revenue, profit, margins and growth compared

Clean Harbors brought in $6B of revenue in fiscal 2025, Perma Fix Environmental Services $61.7M in fiscal 2025. Revenue changed by +2.4% at Clean Harbors and +4.3% at Perma Fix Environmental Services on the year before, so Perma Fix Environmental Services grew faster. Clean Harbors kept 6.5% of its revenue as net profit, Perma Fix Environmental Services -22.3%. Free cash flow was $441.8M at Clean Harbors and -$15.5M at Perma Fix Environmental Services.

Open the CLH pageOpen the PESI page

Side by side, latest fiscal year

CLHPESI
Fiscal year endedFY2025 (December 31, 2025)FY2025 (December 31, 2025)
Revenue$6B$61.7M
Revenue growth+2.4%+4.3%
Net income$391M-$13.8M
Net margin6.5%-22.3%
Free cash flow$441.8M-$15.5M
Free cash flow margin7.3%-25.1%
Earnings per share (diluted)$7.28-$0.75
Cash$826.3M$11.8M
Debt$2.8B$1.9M
Price to earnings43.0n/a
Market value$16.5B$332.1M
Dividend yieldn/an/a
Rank by revenue in sector#107 of 451 · Industrials#396 of 451 · Industrials

Over the years

Revenue
CLH FY2018: $3.3BCLH FY2019: $3.4BCLH FY2020: $3.1BCLH FY2021: $3.8BCLH FY2022: $5.2BCLH FY2023: $5.4BCLH FY2024: $5.9BCLH FY2025: $6BPESI FY2018: $49.5MPESI FY2019: $73.5MPESI FY2020: $105.4MPESI FY2021: $72.2MPESI FY2022: $70.6MPESI FY2023: $89.7MPESI FY2024: $59.1MPESI FY2025: $61.7MFY18FY19FY20FY21FY22FY23FY24FY25
CLH $6BPESI $61.7M
Net income
CLH FY2018: $65.6MCLH FY2019: $97.7MCLH FY2020: $134.8MCLH FY2021: $203.2MCLH FY2022: $411.7MCLH FY2023: $377.9MCLH FY2024: $402.3MCLH FY2025: $391MPESI FY2018: -$1.4MPESI FY2019: $2.3MPESI FY2020: $2.9MPESI FY2021: $835KPESI FY2022: -$3.8MPESI FY2023: $485KPESI FY2024: -$20MPESI FY2025: -$13.8MFY18FY19FY20FY21FY22FY23FY24FY25
CLH $391MPESI -$13.8M
Net margin
CLH FY2018: 2.0%CLH FY2019: 2.9%CLH FY2020: 4.3%CLH FY2021: 5.3%CLH FY2022: 8.0%CLH FY2023: 7.0%CLH FY2024: 6.8%CLH FY2025: 6.5%PESI FY2018: -2.9%PESI FY2019: 3.2%PESI FY2020: 2.7%PESI FY2021: 1.2%PESI FY2022: -5.4%PESI FY2023: 0.5%PESI FY2024: -33.8%PESI FY2025: -22.3%FY18FY19FY20FY21FY22FY23FY24FY25
CLH 6.5%PESI -22.3%
Revenue growth
CLH FY2019: +3.4%CLH FY2020: -7.9%CLH FY2021: +21.0%CLH FY2022: +35.8%CLH FY2023: +4.7%CLH FY2024: +8.9%CLH FY2025: +2.4%PESI FY2019: +48.3%PESI FY2020: +43.5%PESI FY2021: -31.5%PESI FY2022: -2.2%PESI FY2023: +27.1%PESI FY2024: -34.1%PESI FY2025: +4.3%FY19FY20FY21FY22FY23FY24FY25
CLH +2.4%PESI +4.3%
Free cash flow
CLH FY2018: $179.9MCLH FY2019: $196.9MCLH FY2020: $234.3MCLH FY2021: $304.1MCLH FY2022: $281.2MCLH FY2023: $312.3MCLH FY2024: $345.5MCLH FY2025: $441.8MPESI FY2018: $528KPESI FY2019: -$6.2MPESI FY2020: $5.7MPESI FY2021: -$8.4MPESI FY2022: -$1.6MPESI FY2023: $4.8MPESI FY2024: -$18.1MPESI FY2025: -$15.5MFY18FY19FY20FY21FY22FY23FY24FY25
CLH $441.8MPESI -$15.5M

Fiscal years as each company reports them; the two may end in different months.

Questions about Clean Harbors and Perma Fix Environmental Services

Which is bigger by revenue, Clean Harbors or Perma Fix Environmental Services?

Clean Harbors is bigger by revenue: $6B in fiscal 2025, against $61.7M for Perma Fix Environmental Services in fiscal 2025.

Which keeps more of its revenue as profit, Clean Harbors or Perma Fix Environmental Services?

Clean Harbors had a net margin of 6.5% in fiscal 2025; Perma Fix Environmental Services had -22.3% in fiscal 2025.

Which grew revenue faster, Clean Harbors or Perma Fix Environmental Services?

In their latest fiscal years revenue changed by +2.4% at Clean Harbors and +4.3% at Perma Fix Environmental Services.

Where do these numbers come from?

From the annual reports each company files with the SEC (10-K, or 20-F and 40-F for foreign companies), read from their XBRL data. Margins and growth are simple arithmetic on those figures. Nothing here is a recommendation.

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