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Side-by-side financial comparison of CLEAN HARBORS INC (CLH) and HANOVER INSURANCE GROUP, INC. (THG). Click either name above to swap in a different company.

HANOVER INSURANCE GROUP, INC. is the larger business by last-quarter revenue ($1.7B vs $1.5B, roughly 1.1× CLEAN HARBORS INC). HANOVER INSURANCE GROUP, INC. runs the higher net margin — 11.0% vs 5.8%, a 5.2% gap on every dollar of revenue. On growth, HANOVER INSURANCE GROUP, INC. posted the faster year-over-year revenue change (6.1% vs 4.8%). Over the past eight quarters, HANOVER INSURANCE GROUP, INC.'s revenue compounded faster (5.2% 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...

The Hanover Insurance Group, Inc. is an insurance company based in Worcester, Massachusetts. It was the original name of a property-liability insurance firm established in 1852, and it remained a publicly traded company under that name until the early 1990s, when it changed its name to Allmerica Property & Casualty Companies.

CLH vs THG — Head-to-Head

Bigger by revenue
THG
THG
1.1× larger
THG
$1.7B
$1.5B
CLH
Growing faster (revenue YoY)
THG
THG
+1.3% gap
THG
6.1%
4.8%
CLH
Higher net margin
THG
THG
5.2% more per $
THG
11.0%
5.8%
CLH
Faster 2-yr revenue CAGR
THG
THG
Annualised
THG
5.2%
4.4%
CLH

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
CLH
CLH
THG
THG
Revenue
$1.5B
$1.7B
Net Profit
$86.6M
$186.8M
Gross Margin
30.6%
Operating Margin
10.6%
11.1%
Net Margin
5.8%
11.0%
Revenue YoY
4.8%
6.1%
Net Profit YoY
3.1%
45.7%
EPS (diluted)
$1.62

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
THG
THG
Q1 26
$1.7B
Q4 25
$1.5B
$1.7B
Q3 25
$1.5B
$1.7B
Q2 25
$1.5B
$1.7B
Q1 25
$1.4B
$1.6B
Q4 24
$1.4B
$1.6B
Q3 24
$1.5B
$1.6B
Q2 24
$1.6B
$1.5B
Net Profit
CLH
CLH
THG
THG
Q1 26
$186.8M
Q4 25
$86.6M
$198.5M
Q3 25
$118.8M
$178.7M
Q2 25
$126.9M
$157.1M
Q1 25
$58.7M
$128.2M
Q4 24
$84.0M
$167.9M
Q3 24
$115.2M
$102.1M
Q2 24
$133.3M
$40.5M
Gross Margin
CLH
CLH
THG
THG
Q1 26
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%
Operating Margin
CLH
CLH
THG
THG
Q1 26
11.1%
Q4 25
10.6%
17.3%
Q3 25
12.5%
14.9%
Q2 25
13.6%
12.7%
Q1 25
7.8%
11.6%
Q4 24
9.6%
16.1%
Q3 24
12.6%
9.6%
Q2 24
13.9%
6.2%
Net Margin
CLH
CLH
THG
THG
Q1 26
11.0%
Q4 25
5.8%
11.9%
Q3 25
7.7%
10.7%
Q2 25
8.2%
9.5%
Q1 25
4.1%
8.0%
Q4 24
5.9%
10.6%
Q3 24
7.5%
6.5%
Q2 24
8.6%
2.6%
EPS (diluted)
CLH
CLH
THG
THG
Q1 26
Q4 25
$1.62
$5.46
Q3 25
$2.21
$4.90
Q2 25
$2.36
$4.30
Q1 25
$1.09
$3.50
Q4 24
$1.55
$4.60
Q3 24
$2.12
$2.80
Q2 24
$2.46
$1.12

Balance Sheet & Financial Strength

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

Metric
CLH
CLH
THG
THG
Cash + ST InvestmentsLiquidity on hand
$127.4M
$243.5M
Total DebtLower is stronger
$843.8M
Stockholders' EquityBook value
$2.7B
$3.0B
Total Assets
$7.6B
$16.5B
Debt / EquityLower = less leverage
0.28×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CLH
CLH
THG
THG
Q1 26
$243.5M
Q4 25
$127.4M
$1.1B
Q3 25
$91.2M
$915.7M
Q2 25
$98.9M
$244.1M
Q1 25
$105.9M
$315.1M
Q4 24
$102.6M
$435.5M
Q3 24
$82.4M
$427.1M
Q2 24
$91.3M
$337.6M
Total Debt
CLH
CLH
THG
THG
Q1 26
$843.8M
Q4 25
$843.3M
Q3 25
$843.0M
Q2 25
$347.8M
Q1 25
$722.5M
Q4 24
$722.3M
Q3 24
Q2 24
Stockholders' Equity
CLH
CLH
THG
THG
Q1 26
$3.0B
Q4 25
$2.7B
$3.6B
Q3 25
$2.8B
$3.4B
Q2 25
$2.7B
$3.2B
Q1 25
$2.6B
$3.0B
Q4 24
$2.6B
$2.8B
Q3 24
$2.5B
$2.9B
Q2 24
$2.4B
$2.6B
Total Assets
CLH
CLH
THG
THG
Q1 26
$16.5B
Q4 25
$7.6B
$16.9B
Q3 25
$7.5B
$16.8B
Q2 25
$7.4B
$15.7B
Q1 25
$7.2B
$15.5B
Q4 24
$7.4B
$15.3B
Q3 24
$7.3B
$15.4B
Q2 24
$7.1B
$14.9B
Debt / Equity
CLH
CLH
THG
THG
Q1 26
0.28×
Q4 25
0.24×
Q3 25
0.25×
Q2 25
0.11×
Q1 25
0.24×
Q4 24
0.25×
Q3 24
Q2 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
THG
THG
Operating Cash FlowLast quarter
$355.1M
Free Cash FlowOCF − Capex
$233.3M
FCF MarginFCF / Revenue
15.6%
Capex IntensityCapex / Revenue
8.1%
Cash ConversionOCF / Net Profit
4.10×
TTM Free Cash FlowTrailing 4 quarters
$441.8M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CLH
CLH
THG
THG
Q1 26
Q4 25
$355.1M
$378.2M
Q3 25
$302.0M
$554.4M
Q2 25
$208.0M
$206.6M
Q1 25
$1.6M
$38.9M
Q4 24
$303.9M
$213.5M
Q3 24
$239.2M
$394.7M
Q2 24
$216.0M
$139.5M
Free Cash Flow
CLH
CLH
THG
THG
Q1 26
Q4 25
$233.3M
$377.0M
Q3 25
$207.5M
$551.4M
Q2 25
$118.0M
$204.9M
Q1 25
$-117.1M
$37.1M
Q4 24
$241.5M
$210.5M
Q3 24
$142.4M
$392.3M
Q2 24
$80.9M
$137.3M
FCF Margin
CLH
CLH
THG
THG
Q1 26
Q4 25
15.6%
22.6%
Q3 25
13.4%
33.1%
Q2 25
7.6%
12.4%
Q1 25
-8.2%
2.3%
Q4 24
16.9%
13.3%
Q3 24
9.3%
25.1%
Q2 24
5.2%
8.9%
Capex Intensity
CLH
CLH
THG
THG
Q1 26
Q4 25
8.1%
0.1%
Q3 25
6.1%
0.2%
Q2 25
5.8%
0.1%
Q1 25
8.3%
0.1%
Q4 24
4.4%
0.2%
Q3 24
6.3%
0.2%
Q2 24
8.7%
0.1%
Cash Conversion
CLH
CLH
THG
THG
Q1 26
Q4 25
4.10×
1.91×
Q3 25
2.54×
3.10×
Q2 25
1.64×
1.32×
Q1 25
0.03×
0.30×
Q4 24
3.62×
1.27×
Q3 24
2.08×
3.87×
Q2 24
1.62×
3.44×

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%

THG
THG

Premiums earned$1.6B92%
Other$124.6M7%
Fees and other income$6.2M0%

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