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Side-by-side financial comparison of CLEAN HARBORS INC (CLH) and CONSTELLIUM SE (CSTM). Click either name above to swap in a different company.

CONSTELLIUM SE is the larger business by last-quarter revenue ($2.2B vs $1.5B, roughly 1.5× CLEAN HARBORS INC). CLEAN HARBORS INC runs the higher net margin — 5.8% vs 5.1%, a 0.7% gap on every dollar of revenue. CLEAN HARBORS INC produced more free cash flow last quarter ($233.3M vs $109.0M).

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...

Constellium SE is an American-Swiss, French-based global manufacturer of aluminium rolled products, extruded products, and structural parts based on a large variety of advanced alloys. Constellium's C-TEC research center has been credited for advancing technology in the field of advanced aluminium alloy. Constellium primarily serves the aerospace, automotive, and packaging sectors. Large clients include Mercedes-Benz, Audi, BMW, Fiat Chrysler Automotive, Ford, Airbus, Boeing, and Bombardier.

CLH vs CSTM — Head-to-Head

Bigger by revenue
CSTM
CSTM
1.5× larger
CSTM
$2.2B
$1.5B
CLH
Higher net margin
CLH
CLH
0.7% more per $
CLH
5.8%
5.1%
CSTM
More free cash flow
CLH
CLH
$124.3M more FCF
CLH
$233.3M
$109.0M
CSTM

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
CLH
CLH
CSTM
CSTM
Revenue
$1.5B
$2.2B
Net Profit
$86.6M
$112.0M
Gross Margin
30.6%
Operating Margin
10.6%
7.5%
Net Margin
5.8%
5.1%
Revenue YoY
4.8%
Net Profit YoY
3.1%
EPS (diluted)
$1.62
$0.79

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
CSTM
CSTM
Q4 25
$1.5B
$2.2B
Q3 25
$1.5B
$2.2B
Q2 25
$1.5B
$2.1B
Q1 25
$1.4B
$2.0B
Q4 24
$1.4B
Q3 24
$1.5B
Q2 24
$1.6B
$1.9B
Q1 24
$1.4B
Net Profit
CLH
CLH
CSTM
CSTM
Q4 25
$86.6M
$112.0M
Q3 25
$118.8M
$88.0M
Q2 25
$126.9M
$36.0M
Q1 25
$58.7M
$37.0M
Q4 24
$84.0M
Q3 24
$115.2M
Q2 24
$133.3M
$76.0M
Q1 24
$69.8M
Gross Margin
CLH
CLH
CSTM
CSTM
Q4 25
30.6%
Q3 25
32.3%
Q2 25
33.3%
Q1 25
28.6%
Q4 24
29.9%
Q3 24
31.0%
Q2 24
33.3%
Q1 24
29.5%
Operating Margin
CLH
CLH
CSTM
CSTM
Q4 25
10.6%
7.5%
Q3 25
12.5%
5.8%
Q2 25
13.6%
2.7%
Q1 25
7.8%
3.1%
Q4 24
9.6%
Q3 24
12.6%
Q2 24
13.9%
5.4%
Q1 24
9.1%
Net Margin
CLH
CLH
CSTM
CSTM
Q4 25
5.8%
5.1%
Q3 25
7.7%
4.1%
Q2 25
8.2%
1.7%
Q1 25
4.1%
1.9%
Q4 24
5.9%
Q3 24
7.5%
Q2 24
8.6%
3.9%
Q1 24
5.1%
EPS (diluted)
CLH
CLH
CSTM
CSTM
Q4 25
$1.62
$0.79
Q3 25
$2.21
$0.62
Q2 25
$2.36
$0.25
Q1 25
$1.09
$0.26
Q4 24
$1.55
Q3 24
$2.12
Q2 24
$2.46
$0.51
Q1 24
$1.29

Balance Sheet & Financial Strength

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

Metric
CLH
CLH
CSTM
CSTM
Cash + ST InvestmentsLiquidity on hand
$127.4M
$120.0M
Total DebtLower is stronger
$1.9B
Stockholders' EquityBook value
$2.7B
$952.0M
Total Assets
$7.6B
$5.4B
Debt / EquityLower = less leverage
2.00×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CLH
CLH
CSTM
CSTM
Q4 25
$127.4M
$120.0M
Q3 25
$91.2M
$122.0M
Q2 25
$98.9M
$133.0M
Q1 25
$105.9M
$118.0M
Q4 24
$102.6M
Q3 24
$82.4M
Q2 24
$91.3M
Q1 24
$104.8M
Total Debt
CLH
CLH
CSTM
CSTM
Q4 25
$1.9B
Q3 25
$2.0B
Q2 25
$2.0B
Q1 25
$1.9B
Q4 24
Q3 24
Q2 24
Q1 24
Stockholders' Equity
CLH
CLH
CSTM
CSTM
Q4 25
$2.7B
$952.0M
Q3 25
$2.8B
$845.0M
Q2 25
$2.7B
$780.0M
Q1 25
$2.6B
$745.0M
Q4 24
$2.6B
Q3 24
$2.5B
Q2 24
$2.4B
$796.0M
Q1 24
$2.3B
Total Assets
CLH
CLH
CSTM
CSTM
Q4 25
$7.6B
$5.4B
Q3 25
$7.5B
$5.4B
Q2 25
$7.4B
$5.4B
Q1 25
$7.2B
$5.2B
Q4 24
$7.4B
Q3 24
$7.3B
Q2 24
$7.1B
Q1 24
$6.9B
Debt / Equity
CLH
CLH
CSTM
CSTM
Q4 25
2.00×
Q3 25
2.34×
Q2 25
2.53×
Q1 25
2.56×
Q4 24
Q3 24
Q2 24
Q1 24

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
CSTM
CSTM
Operating Cash FlowLast quarter
$355.1M
$218.0M
Free Cash FlowOCF − Capex
$233.3M
$109.0M
FCF MarginFCF / Revenue
15.6%
5.0%
Capex IntensityCapex / Revenue
8.1%
5.0%
Cash ConversionOCF / Net Profit
4.10×
1.95×
TTM Free Cash FlowTrailing 4 quarters
$441.8M
$159.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CLH
CLH
CSTM
CSTM
Q4 25
$355.1M
$218.0M
Q3 25
$302.0M
$99.0M
Q2 25
$208.0M
$114.0M
Q1 25
$1.6M
$58.0M
Q4 24
$303.9M
Q3 24
$239.2M
Q2 24
$216.0M
$138.0M
Q1 24
$18.5M
Free Cash Flow
CLH
CLH
CSTM
CSTM
Q4 25
$233.3M
$109.0M
Q3 25
$207.5M
$24.0M
Q2 25
$118.0M
$37.0M
Q1 25
$-117.1M
$-11.0M
Q4 24
$241.5M
Q3 24
$142.4M
Q2 24
$80.9M
$54.0M
Q1 24
$-119.4M
FCF Margin
CLH
CLH
CSTM
CSTM
Q4 25
15.6%
5.0%
Q3 25
13.4%
1.1%
Q2 25
7.6%
1.8%
Q1 25
-8.2%
-0.6%
Q4 24
16.9%
Q3 24
9.3%
Q2 24
5.2%
2.8%
Q1 24
-8.7%
Capex Intensity
CLH
CLH
CSTM
CSTM
Q4 25
8.1%
5.0%
Q3 25
6.1%
3.5%
Q2 25
5.8%
3.7%
Q1 25
8.3%
3.5%
Q4 24
4.4%
Q3 24
6.3%
Q2 24
8.7%
4.3%
Q1 24
10.0%
Cash Conversion
CLH
CLH
CSTM
CSTM
Q4 25
4.10×
1.95×
Q3 25
2.54×
1.13×
Q2 25
1.64×
3.17×
Q1 25
0.03×
1.57×
Q4 24
3.62×
Q3 24
2.08×
Q2 24
1.62×
1.82×
Q1 24
0.27×

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%

CSTM
CSTM

Packaging Rolled Products$1.0B46%
Automotive Rolled Products$318.0M14%
Aerospace Rolled Products$270.0M12%
Transportation Industry Defense And Other Rolled Products$232.0M11%
Automotive Extruded Products$220.0M10%
Other Extruded Products$132.0M6%
Specialty And Other Thin Rolled Products$22.0M1%

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