Stocks / CLH vs WSO

CLH vs WSO: Which Stock Is the Better Buy?

Clean Harbors, Inc. and Watsco, Inc. side by side — fundamentals from SEC filings, refreshed nightly. Sector: Industrials.

WSO is the larger company ($15.5B vs $15.2B). On the fundamentals, CLH grows revenue faster (13.9% vs 7.4%); CLH earns a higher net margin (6.5% vs 6.4%); WSO has the stronger return on equity (16.7% vs 14.2%). Neither shows an obvious red flag in the filings. Full numbers below — the stronger figure on each row is in green.

AI verdict — CLH vs WSO, read from the filings

The stronger business, the cheaper stock, and the risks — synthesised from both companies’ SEC filings, every figure computed not guessed. Not investment advice.

 Clean Harbors, Inc. (CLH)Watsco, Inc. (WSO)
Market cap$15.2B$15.5B
Revenue (latest FY)$6.03B$7.24B
Net income (latest FY)$390.97M$464.19M
Revenue growth (5y CAGR)13.9%7.4%
Net margin6.5%6.4%
Return on equity14.2%16.7%
P/E ratio39.130.9
Dividend yield3.4%
Profitable years (of last 10)910
Positive free cash flowYesYes

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See the full CLH vs WSO breakdown

Both companies across 19 years of income statement, balance sheet and cash flow — with ratios, health checks and Ask, the SEC-grounded research assistant. Free, no account needed.

Open CLH's full financials →   Open WSO's full financials →

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Frequently asked questions

Which is bigger, CLH or WSO?

Watsco, Inc. is larger by market capitalization — $15.5B versus $15.2B.

Which grows faster, CLH or WSO?

Over the last five fiscal years, Clean Harbors, Inc. grew revenue faster — 13.9%/yr versus 7.4%/yr, computed from SEC-filed statements.

Where does this data come from?

All figures are computed from official SEC filings (10-K), refreshed nightly. This is a data comparison, not investment advice.

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CLH fundamentals → · WSO fundamentals → · All 1,500+ companies → · Free screener →