The short version

From the latest prices and each company's SEC filings. Who's ahead on each measure, not which to buy.

  • Clean Harbors is the larger company, worth $16.8B, close to Gfl Environmental's $15.7B.
  • Gfl Environmental grew revenue faster over the last year (+7.8% vs +1.9%).
  • On earnings, Clean Harbors is the cheaper stock (43.1x vs 117.6x).

Side by side

The stronger figure is shaded where higher (or, for valuation multiples, lower) reads as better. How the implied growth works.

MeasureCLHGFL
Market cap$16.8B$15.7B
Share price$316.93$42.78
Revenue (last fiscal year)$6.0B$6.6B
Free cash flow (last fiscal year)$442M$175M
Revenue growth, last year+1.9%+7.8%
Revenue growth per year, last 5 fiscal years+12.2%+6.5%
Operating margin11.2%—
Net margin6.5%58.0%
Return on equity14.2%52.5%
P/E (trailing)43.1x117.6x
Price / free cash flow38.0x89.9x
EV / EBITDA18.7x13.7x
FCF growth the price implies13.4%—
Dividend yield—0.19%
Debt / equity1.72x1.62x
Fundamental gradeDC
Superinvestors holding it45
Insider purchases, last 12 months40

Results from SEC filings

Revenue and free cash flow by fiscal year, from each company's 10-K filings.

Clean Harbors

YearRevenueFree cash flowOp. margin
2021$3.8B$304M9.1%
2022$5.2B$281M12.3%
2023$5.4B$312M11.3%
2024$5.9B$346M11.4%
2025$6.0B$442M11.2%

Gfl Environmental

YearRevenueFree cash flowOp. margin
2021$5.1B$251M—
2022$6.8B$331M—
2023$7.5B-$75M—
2024$6.1B$347M—
2025$6.6B$175M—

Where the revenue comes from

Clean Harbors · by segments, 2025

Environmental Services$5.1B85%
Safety-Kleen Sustainability Solutions$884M15%

Gfl Environmental · by segments, 2021

Solid waste$5.0B81%
Liquid waste$680M11%
Infrastructure and soil remediation$530M9%
Compare them in fullFifteen years of statements, quarterly results, DCF and IRR models, and any number of peers side by side.
Open CLH in Investingly

Questions

Which is bigger, Clean Harbors or Gfl Environmental?

Clean Harbors (CLH), at $16.8B against $15.7B.

Is CLH or GFL cheaper?

By trailing P/E, Clean Harbors (43.1x) is cheaper than Gfl Environmental (117.6x). A lower multiple can also mean the market expects less growth.

Which grows faster, CLH or GFL?

Gfl Environmental: revenue grew +7.8% over the last year, against +1.9%.

Prices and ratios as of the last daily update; statements from SEC filings. Information only, not investment advice.