The short version

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

  • Republic Services is the larger company, worth $70.4B, about 4.2 times Clean Harbors.
  • Republic Services grew revenue faster over the last year (+4.6% vs +1.9%).
  • Republic Services keeps more of each dollar of revenue as operating profit (19.9% vs 11.2%).
  • On earnings, Republic Services is the cheaper stock (32.8x vs 43.1x).
  • Clean Harbors's price assumes faster free cash flow growth: about 13% a year, against 10% for Republic Services (reverse DCF).

Side by side

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

MeasureCLHRSG
Market cap$16.8B$70.4B
Share price$316.93$216.88
Revenue (last fiscal year)$6.0B$16.6B
Free cash flow (last fiscal year)$442M$2.4B
Revenue growth, last year+1.9%+4.6%
Revenue growth per year, last 5 fiscal years+12.2%+10.1%
Operating margin11.2%19.9%
Net margin6.5%12.9%
Return on equity14.2%18.2%
P/E (trailing)43.1x32.8x
Price / free cash flow38.0x29.2x
EV / EBITDA18.7x16.8x
FCF growth the price implies13.4%10.0%
Dividend yield—1.1%
Debt / equity1.72x1.92x
Fundamental gradeDC
Superinvestors holding it40
Insider purchases, last 12 months410

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%

Republic Services

YearRevenueFree cash flowOp. margin
2021$11.3B$1.5B18.4%
2022$13.5B$1.7B17.7%
2023$15.0B$2.0B18.6%
2024$16.0B$2.1B19.9%
2025$16.6B$2.4B19.9%

Where the revenue comes from

Clean Harbors · by segments, 2025

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

Republic Services · by segments, 2025

Group 1$7.5B45%
Group 2$7.3B44%
Group 3$1.8B11%
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 Republic Services?

Republic Services (RSG), at $70.4B against $16.8B.

Is CLH or RSG cheaper?

By trailing P/E, Republic Services (32.8x) is cheaper than Clean Harbors (43.1x). A lower multiple can also mean the market expects less growth.

Which grows faster, CLH or RSG?

Republic Services: revenue grew +4.6% 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.