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Side-by-side financial comparison of CLEAN HARBORS INC (CLH) and KAISER ALUMINUM CORP (KALU). Click either name above to swap in a different company.

CLEAN HARBORS INC is the larger business by last-quarter revenue ($1.5B vs $929.0M, roughly 1.6× KAISER ALUMINUM CORP). CLEAN HARBORS INC runs the higher net margin — 5.8% vs 3.0%, a 2.7% gap on every dollar of revenue. On growth, KAISER ALUMINUM CORP posted the faster year-over-year revenue change (21.4% vs 4.8%). CLEAN HARBORS INC produced more free cash flow last quarter ($233.3M vs $-51.1M). Over the past eight quarters, KAISER ALUMINUM CORP's revenue compounded faster (12.2% CAGR vs 4.4%).

Clean Harbors, Inc., headquartered in Norwell, Massachusetts, is a provider of waste management and industrial services for commercial customers, specializing in the collection, transportation, treatment and disposal of hazardous waste, but also offering services for non-hazardous waste. The company has 870 operating locations in 630 properties in the U.S. and Canada including a network of over 100 waste disposal facilities such as incinerators, landfills, treatment, storage and disposal faci...

Kaiser Aluminum Corporation is an American aluminum producer. It is a spinoff from Kaiser Aluminum and Chemicals Corporation, which came to be when common stock was offered in Permanente Metals Corporation and Permanente Metals Corporation's name was changed to Kaiser Aluminum and Chemicals Corporation.

CLH vs KALU — Head-to-Head

Bigger by revenue
CLH
CLH
1.6× larger
CLH
$1.5B
$929.0M
KALU
Growing faster (revenue YoY)
KALU
KALU
+16.6% gap
KALU
21.4%
4.8%
CLH
Higher net margin
CLH
CLH
2.7% more per $
CLH
5.8%
3.0%
KALU
More free cash flow
CLH
CLH
$284.4M more FCF
CLH
$233.3M
$-51.1M
KALU
Faster 2-yr revenue CAGR
KALU
KALU
Annualised
KALU
12.2%
4.4%
CLH

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
CLH
CLH
KALU
KALU
Revenue
$1.5B
$929.0M
Net Profit
$86.6M
$28.2M
Gross Margin
30.6%
13.3%
Operating Margin
10.6%
6.5%
Net Margin
5.8%
3.0%
Revenue YoY
4.8%
21.4%
Net Profit YoY
3.1%
42.4%
EPS (diluted)
$1.62
$1.67

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
CLH
CLH
KALU
KALU
Q4 25
$1.5B
$929.0M
Q3 25
$1.5B
$843.5M
Q2 25
$1.5B
$823.1M
Q1 25
$1.4B
$777.4M
Q4 24
$1.4B
$765.4M
Q3 24
$1.5B
$747.7M
Q2 24
$1.6B
$773.4M
Q1 24
$1.4B
$737.5M
Net Profit
CLH
CLH
KALU
KALU
Q4 25
$86.6M
$28.2M
Q3 25
$118.8M
$39.5M
Q2 25
$126.9M
$23.2M
Q1 25
$58.7M
$21.6M
Q4 24
$84.0M
$19.8M
Q3 24
$115.2M
$8.8M
Q2 24
$133.3M
$18.9M
Q1 24
$69.8M
$18.2M
Gross Margin
CLH
CLH
KALU
KALU
Q4 25
30.6%
13.3%
Q3 25
32.3%
13.6%
Q2 25
33.3%
12.2%
Q1 25
28.6%
13.4%
Q4 24
29.9%
12.5%
Q3 24
31.0%
9.6%
Q2 24
33.3%
13.4%
Q1 24
29.5%
11.7%
Operating Margin
CLH
CLH
KALU
KALU
Q4 25
10.6%
6.5%
Q3 25
12.5%
5.8%
Q2 25
13.6%
4.6%
Q1 25
7.8%
5.3%
Q4 24
9.6%
5.0%
Q3 24
12.6%
1.8%
Q2 24
13.9%
4.7%
Q1 24
9.1%
3.3%
Net Margin
CLH
CLH
KALU
KALU
Q4 25
5.8%
3.0%
Q3 25
7.7%
4.7%
Q2 25
8.2%
2.8%
Q1 25
4.1%
2.8%
Q4 24
5.9%
2.6%
Q3 24
7.5%
1.2%
Q2 24
8.6%
2.4%
Q1 24
5.1%
2.5%
EPS (diluted)
CLH
CLH
KALU
KALU
Q4 25
$1.62
$1.67
Q3 25
$2.21
$2.38
Q2 25
$2.36
$1.41
Q1 25
$1.09
$1.31
Q4 24
$1.55
$1.21
Q3 24
$2.12
$0.54
Q2 24
$2.46
$1.15
Q1 24
$1.29
$1.12

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
CLH
CLH
KALU
KALU
Cash + ST InvestmentsLiquidity on hand
$127.4M
$7.0M
Total DebtLower is stronger
Stockholders' EquityBook value
$2.7B
$826.1M
Total Assets
$7.6B
$2.6B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CLH
CLH
KALU
KALU
Q4 25
$127.4M
$7.0M
Q3 25
$91.2M
$17.2M
Q2 25
$98.9M
$13.1M
Q1 25
$105.9M
$21.3M
Q4 24
$102.6M
$18.4M
Q3 24
$82.4M
$45.7M
Q2 24
$91.3M
$70.4M
Q1 24
$104.8M
$101.6M
Stockholders' Equity
CLH
CLH
KALU
KALU
Q4 25
$2.7B
$826.1M
Q3 25
$2.8B
$806.1M
Q2 25
$2.7B
$776.0M
Q1 25
$2.6B
$756.8M
Q4 24
$2.6B
$743.1M
Q3 24
$2.5B
$729.4M
Q2 24
$2.4B
$727.6M
Q1 24
$2.3B
$714.7M
Total Assets
CLH
CLH
KALU
KALU
Q4 25
$7.6B
$2.6B
Q3 25
$7.5B
$2.6B
Q2 25
$7.4B
$2.5B
Q1 25
$7.2B
$2.4B
Q4 24
$7.4B
$2.4B
Q3 24
$7.3B
$2.3B
Q2 24
$7.1B
$2.3B
Q1 24
$6.9B
$2.3B

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
CLH
CLH
KALU
KALU
Operating Cash FlowLast quarter
$355.1M
$-20.6M
Free Cash FlowOCF − Capex
$233.3M
$-51.1M
FCF MarginFCF / Revenue
15.6%
-5.5%
Capex IntensityCapex / Revenue
8.1%
3.3%
Cash ConversionOCF / Net Profit
4.10×
-0.73×
TTM Free Cash FlowTrailing 4 quarters
$441.8M
$-25.5M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CLH
CLH
KALU
KALU
Q4 25
$355.1M
$-20.6M
Q3 25
$302.0M
$59.1M
Q2 25
$208.0M
$15.9M
Q1 25
$1.6M
$57.0M
Q4 24
$303.9M
$43.4M
Q3 24
$239.2M
$34.1M
Q2 24
$216.0M
$26.3M
Q1 24
$18.5M
$63.3M
Free Cash Flow
CLH
CLH
KALU
KALU
Q4 25
$233.3M
$-51.1M
Q3 25
$207.5M
$34.5M
Q2 25
$118.0M
$-27.7M
Q1 25
$-117.1M
$18.8M
Q4 24
$241.5M
$-12.6M
Q3 24
$142.4M
$-17.0M
Q2 24
$80.9M
$-17.4M
Q1 24
$-119.4M
$33.3M
FCF Margin
CLH
CLH
KALU
KALU
Q4 25
15.6%
-5.5%
Q3 25
13.4%
4.1%
Q2 25
7.6%
-3.4%
Q1 25
-8.2%
2.4%
Q4 24
16.9%
-1.6%
Q3 24
9.3%
-2.3%
Q2 24
5.2%
-2.2%
Q1 24
-8.7%
4.5%
Capex Intensity
CLH
CLH
KALU
KALU
Q4 25
8.1%
3.3%
Q3 25
6.1%
2.9%
Q2 25
5.8%
5.3%
Q1 25
8.3%
4.9%
Q4 24
4.4%
7.3%
Q3 24
6.3%
6.8%
Q2 24
8.7%
5.7%
Q1 24
10.0%
4.1%
Cash Conversion
CLH
CLH
KALU
KALU
Q4 25
4.10×
-0.73×
Q3 25
2.54×
1.50×
Q2 25
1.64×
0.69×
Q1 25
0.03×
2.64×
Q4 24
3.62×
2.19×
Q3 24
2.08×
3.88×
Q2 24
1.62×
1.39×
Q1 24
0.27×
3.48×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

CLH
CLH

Technical Services$479.3M32%
Safetly Kleen Environmental Services$252.9M17%
Fieldand Emergency Response$246.6M16%
Products$205.3M14%
Safety Kleen Sustainability Solutions Segment$188.4M13%
Safety Kleen Oil$132.6M9%

KALU
KALU

Packaging$440.6M47%
Aero Hs Products$213.0M23%
Transferred Over Time$200.2M22%
Automotive Extrusions$75.4M8%

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