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Side-by-side financial comparison of Ecolab (ECL) and Quanta Services (PWR). Click either name above to swap in a different company.

Quanta Services is the larger business by last-quarter revenue ($7.8B vs $4.1B, roughly 1.9× Ecolab). Ecolab runs the higher net margin — 10.6% vs 4.0%, a 6.6% gap on every dollar of revenue. On growth, Quanta Services posted the faster year-over-year revenue change (19.7% vs 10.0%). Over the past eight quarters, Quanta Services's revenue compounded faster (24.8% CAGR vs 1.0%).

Ecolab Inc., headquartered in Saint Paul, Minnesota, provides products related to water treatment, sanitation, and hygiene, primarily to commercial and industrial customers.

Quanta Services is a U.S. corporation that provides infrastructure services for the electric power, pipeline, industrial and communications industries. Its capabilities include planning, design, installation, program management, maintenance and repair of most types of network infrastructure. The company has grown organically since its founding, but it has also acquired over 150 companies in the electrical contracting industry.

ECL vs PWR — Head-to-Head

Bigger by revenue
PWR
PWR
1.9× larger
PWR
$7.8B
$4.1B
ECL
Growing faster (revenue YoY)
PWR
PWR
+9.6% gap
PWR
19.7%
10.0%
ECL
Higher net margin
ECL
ECL
6.6% more per $
ECL
10.6%
4.0%
PWR
Faster 2-yr revenue CAGR
PWR
PWR
Annualised
PWR
24.8%
1.0%
ECL

Income Statement — Q2 FY2026 vs Q4 FY2025

Metric
ECL
ECL
PWR
PWR
Revenue
$4.1B
$7.8B
Net Profit
$432.6M
$316.6M
Gross Margin
15.5%
Operating Margin
15.3%
6.2%
Net Margin
10.6%
4.0%
Revenue YoY
10.0%
19.7%
Net Profit YoY
1.3%
2.0%
EPS (diluted)
$1.52
$2.08

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
ECL
ECL
PWR
PWR
Q2 26
$4.1B
Q4 25
$4.2B
$7.8B
Q3 25
$4.2B
$7.6B
Q2 25
$4.0B
$6.8B
Q1 25
$3.7B
$6.2B
Q4 24
$4.0B
$6.6B
Q3 24
$4.0B
$6.5B
Q2 24
$4.0B
$5.6B
Net Profit
ECL
ECL
PWR
PWR
Q2 26
$432.6M
Q4 25
$563.9M
$316.6M
Q3 25
$585.0M
$339.4M
Q2 25
$524.2M
$229.3M
Q1 25
$402.5M
$144.3M
Q4 24
$472.9M
$310.3M
Q3 24
$736.5M
$293.2M
Q2 24
$490.9M
$188.2M
Gross Margin
ECL
ECL
PWR
PWR
Q2 26
Q4 25
44.0%
15.5%
Q3 25
44.8%
15.9%
Q2 25
44.8%
14.9%
Q1 25
44.2%
13.4%
Q4 24
43.3%
16.2%
Q3 24
43.4%
15.6%
Q2 24
43.8%
14.5%
Operating Margin
ECL
ECL
PWR
PWR
Q2 26
15.3%
Q4 25
17.0%
6.2%
Q3 25
18.3%
6.8%
Q2 25
17.6%
5.5%
Q1 25
15.0%
3.8%
Q4 24
14.6%
6.9%
Q3 24
26.1%
6.6%
Q2 24
16.5%
5.5%
Net Margin
ECL
ECL
PWR
PWR
Q2 26
10.6%
Q4 25
13.4%
4.0%
Q3 25
14.0%
4.4%
Q2 25
13.0%
3.4%
Q1 25
10.9%
2.3%
Q4 24
11.8%
4.7%
Q3 24
18.4%
4.5%
Q2 24
12.3%
3.4%
EPS (diluted)
ECL
ECL
PWR
PWR
Q2 26
$1.52
Q4 25
$1.98
$2.08
Q3 25
$2.05
$2.24
Q2 25
$1.84
$1.52
Q1 25
$1.41
$0.96
Q4 24
$1.65
$2.03
Q3 24
$2.58
$1.95
Q2 24
$1.71
$1.26

Balance Sheet & Financial Strength

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

Metric
ECL
ECL
PWR
PWR
Cash + ST InvestmentsLiquidity on hand
$519.8K
$439.5M
Total DebtLower is stronger
$8.5M
$5.2B
Stockholders' EquityBook value
$10.0M
$8.9B
Total Assets
$25.0M
$24.9B
Debt / EquityLower = less leverage
0.85×
0.59×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ECL
ECL
PWR
PWR
Q2 26
$519.8K
Q4 25
$646.2M
$439.5M
Q3 25
$2.0B
$610.4M
Q2 25
$1.9B
$509.5M
Q1 25
$1.2B
$520.6M
Q4 24
$1.3B
$742.0M
Q3 24
$1.3B
$764.1M
Q2 24
$384.0M
$518.1M
Total Debt
ECL
ECL
PWR
PWR
Q2 26
$8.5M
Q4 25
$7.4B
$5.2B
Q3 25
$8.1B
$5.5B
Q2 25
$7.5B
$4.7B
Q1 25
$7.0B
$4.4B
Q4 24
$6.9B
$4.1B
Q3 24
$7.0B
$4.1B
Q2 24
$7.5B
$3.0B
Stockholders' Equity
ECL
ECL
PWR
PWR
Q2 26
$10.0M
Q4 25
$9.8B
$8.9B
Q3 25
$9.7B
$8.4B
Q2 25
$9.3B
$7.9B
Q1 25
$8.9B
$7.5B
Q4 24
$8.8B
$7.3B
Q3 24
$8.5B
$7.1B
Q2 24
$8.3B
$6.6B
Total Assets
ECL
ECL
PWR
PWR
Q2 26
$25.0M
Q4 25
$24.7B
$24.9B
Q3 25
$23.9B
$22.7B
Q2 25
$23.7B
$19.9B
Q1 25
$22.4B
$19.1B
Q4 24
$22.4B
$18.7B
Q3 24
$22.1B
$18.9B
Q2 24
$21.5B
$15.9B
Debt / Equity
ECL
ECL
PWR
PWR
Q2 26
0.85×
Q4 25
0.75×
0.59×
Q3 25
0.83×
0.66×
Q2 25
0.81×
0.59×
Q1 25
0.79×
0.58×
Q4 24
0.79×
0.56×
Q3 24
0.82×
0.58×
Q2 24
0.91×
0.45×

Cash Flow & Capital Efficiency

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

Metric
ECL
ECL
PWR
PWR
Operating Cash FlowLast quarter
$1.1B
Free Cash FlowOCF − Capex
$934.0M
FCF MarginFCF / Revenue
11.9%
Capex IntensityCapex / Revenue
2.5%
Cash ConversionOCF / Net Profit
3.56×
TTM Free Cash FlowTrailing 4 quarters
$1.6B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ECL
ECL
PWR
PWR
Q2 26
Q4 25
$1.1B
$1.1B
Q3 25
$791.3M
$563.5M
Q2 25
$701.8M
$295.7M
Q1 25
$369.4M
$243.2M
Q4 24
$766.7M
$712.0M
Q3 24
$786.7M
$739.9M
Q2 24
$611.1M
$391.3M
Free Cash Flow
ECL
ECL
PWR
PWR
Q2 26
Q4 25
$758.0M
$934.0M
Q3 25
$529.7M
$421.0M
Q2 25
$485.1M
$155.4M
Q1 25
$131.5M
$110.4M
Q4 24
$407.0M
$565.0M
Q3 24
$550.3M
$527.4M
Q2 24
$414.2M
$229.9M
FCF Margin
ECL
ECL
PWR
PWR
Q2 26
Q4 25
18.1%
11.9%
Q3 25
12.7%
5.5%
Q2 25
12.1%
2.3%
Q1 25
3.6%
1.8%
Q4 24
10.2%
8.6%
Q3 24
13.8%
8.1%
Q2 24
10.4%
4.1%
Capex Intensity
ECL
ECL
PWR
PWR
Q2 26
Q4 25
7.9%
2.5%
Q3 25
6.3%
1.9%
Q2 25
5.4%
2.1%
Q1 25
6.4%
2.1%
Q4 24
9.0%
2.2%
Q3 24
5.9%
3.3%
Q2 24
4.9%
2.9%
Cash Conversion
ECL
ECL
PWR
PWR
Q2 26
Q4 25
1.93×
3.56×
Q3 25
1.35×
1.66×
Q2 25
1.34×
1.29×
Q1 25
0.92×
1.69×
Q4 24
1.62×
2.29×
Q3 24
1.07×
2.52×
Q2 24
1.24×
2.08×

Financial Flow Comparison

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

Revenue Breakdown by Segment

ECL
ECL

Product and equipment sales$3.2B78%
Service and lease sales$891.5M22%

PWR
PWR

Segment breakdown not available.

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