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Side-by-side financial comparison of MUELLER INDUSTRIES INC (MLI) and Zscaler, Inc. (ZS). Click either name above to swap in a different company.

MUELLER INDUSTRIES INC is the larger business by last-quarter revenue ($962.4M vs $788.1M, roughly 1.2× Zscaler, Inc.). MUELLER INDUSTRIES INC runs the higher net margin — 16.0% vs -1.5%, a 17.4% gap on every dollar of revenue. On growth, Zscaler, Inc. posted the faster year-over-year revenue change (25.5% vs 4.2%). Zscaler, Inc. produced more free cash flow last quarter ($431.0M vs $121.4M). Over the past eight quarters, Zscaler, Inc.'s revenue compounded faster (22.5% CAGR vs 6.4%).

Mueller Industries is an American manufacturing company that specializes in piping, industrial metals and climate machinery. It was founded in 1917 and is included on the Fortune 1000 list in 2022. The head office of the company is located in Memphis, Tennessee. Mueller Industries, Inc. is a multi-billion dollar revenue company that is publicly traded.

Zscaler, Inc. is an American cloud security company based in San Jose, California. The company offers cloud-based services to protect enterprise networks and data.

MLI vs ZS — Head-to-Head

Bigger by revenue
MLI
MLI
1.2× larger
MLI
$962.4M
$788.1M
ZS
Growing faster (revenue YoY)
ZS
ZS
+21.3% gap
ZS
25.5%
4.2%
MLI
Higher net margin
MLI
MLI
17.4% more per $
MLI
16.0%
-1.5%
ZS
More free cash flow
ZS
ZS
$309.6M more FCF
ZS
$431.0M
$121.4M
MLI
Faster 2-yr revenue CAGR
ZS
ZS
Annualised
ZS
22.5%
6.4%
MLI

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
MLI
MLI
ZS
ZS
Revenue
$962.4M
$788.1M
Net Profit
$153.7M
$-11.6M
Gross Margin
76.6%
Operating Margin
17.9%
-4.6%
Net Margin
16.0%
-1.5%
Revenue YoY
4.2%
25.5%
Net Profit YoY
11.7%
3.6%
EPS (diluted)
$1.37
$-0.07

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
MLI
MLI
ZS
ZS
Q4 25
$962.4M
$788.1M
Q3 25
$1.1B
$719.2M
Q2 25
$1.1B
$678.0M
Q1 25
$1.0B
$647.9M
Q4 24
$923.5M
$628.0M
Q3 24
$997.8M
$592.9M
Q2 24
$997.7M
$553.2M
Q1 24
$849.7M
$525.0M
Net Profit
MLI
MLI
ZS
ZS
Q4 25
$153.7M
$-11.6M
Q3 25
$208.1M
$-17.6M
Q2 25
$245.9M
$-4.1M
Q1 25
$157.4M
$-7.7M
Q4 24
$137.7M
$-12.1M
Q3 24
$168.7M
$-14.9M
Q2 24
$160.2M
$19.1M
Q1 24
$138.4M
$-28.5M
Gross Margin
MLI
MLI
ZS
ZS
Q4 25
76.6%
Q3 25
76.1%
Q2 25
77.0%
Q1 25
77.1%
Q4 24
77.5%
Q3 24
27.6%
78.0%
Q2 24
27.3%
78.6%
Q1 24
28.4%
77.7%
Operating Margin
MLI
MLI
ZS
ZS
Q4 25
17.9%
-4.6%
Q3 25
25.6%
-4.5%
Q2 25
26.7%
-3.7%
Q1 25
20.6%
-6.2%
Q4 24
18.4%
-4.9%
Q3 24
20.7%
-4.5%
Q2 24
21.0%
-0.5%
Q1 24
21.6%
-8.7%
Net Margin
MLI
MLI
ZS
ZS
Q4 25
16.0%
-1.5%
Q3 25
19.3%
-2.4%
Q2 25
21.6%
-0.6%
Q1 25
15.7%
-1.2%
Q4 24
14.9%
-1.9%
Q3 24
16.9%
-2.5%
Q2 24
16.1%
3.5%
Q1 24
16.3%
-5.4%
EPS (diluted)
MLI
MLI
ZS
ZS
Q4 25
$1.37
$-0.07
Q3 25
$1.88
$-0.11
Q2 25
$2.22
$-0.03
Q1 25
$1.39
$-0.05
Q4 24
$1.21
$-0.08
Q3 24
$1.48
$-0.09
Q2 24
$1.41
$0.12
Q1 24
$1.21
$-0.19

Balance Sheet & Financial Strength

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

Metric
MLI
MLI
ZS
ZS
Cash + ST InvestmentsLiquidity on hand
$1.4B
$1.3B
Total DebtLower is stronger
Stockholders' EquityBook value
$3.2B
$2.0B
Total Assets
$3.7B
$6.5B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
MLI
MLI
ZS
ZS
Q4 25
$1.4B
$1.3B
Q3 25
$1.3B
$2.4B
Q2 25
$1.1B
$2.0B
Q1 25
$873.6M
$1.8B
Q4 24
$1.1B
$1.6B
Q3 24
$969.6M
$1.4B
Q2 24
$825.7M
$1.3B
Q1 24
$1.4B
$1.4B
Total Debt
MLI
MLI
ZS
ZS
Q4 25
Q3 25
Q2 25
$1.1B
Q1 25
$1.1B
Q4 24
$1.1B
Q3 24
$1.1B
Q2 24
$1.1B
Q1 24
$1.1B
Stockholders' Equity
MLI
MLI
ZS
ZS
Q4 25
$3.2B
$2.0B
Q3 25
$3.1B
$1.8B
Q2 25
$2.9B
$1.8B
Q1 25
$2.7B
$1.6B
Q4 24
$2.8B
$1.4B
Q3 24
$2.7B
$1.3B
Q2 24
$2.5B
$1.1B
Q1 24
$2.4B
$958.9M
Total Assets
MLI
MLI
ZS
ZS
Q4 25
$3.7B
$6.5B
Q3 25
$3.7B
$6.4B
Q2 25
$3.5B
$5.3B
Q1 25
$3.2B
$5.0B
Q4 24
$3.3B
$4.7B
Q3 24
$3.2B
$4.7B
Q2 24
$3.1B
$4.2B
Q1 24
$2.9B
$3.9B
Debt / Equity
MLI
MLI
ZS
ZS
Q4 25
Q3 25
Q2 25
0.64×
Q1 25
0.71×
Q4 24
0.80×
Q3 24
0.90×
Q2 24
1.04×
Q1 24
1.19×

Cash Flow & Capital Efficiency

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

Metric
MLI
MLI
ZS
ZS
Operating Cash FlowLast quarter
$141.2M
$448.3M
Free Cash FlowOCF − Capex
$121.4M
$431.0M
FCF MarginFCF / Revenue
12.6%
54.7%
Capex IntensityCapex / Revenue
2.1%
2.2%
Cash ConversionOCF / Net Profit
0.92×
TTM Free Cash FlowTrailing 4 quarters
$686.6M
$924.9M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
MLI
MLI
ZS
ZS
Q4 25
$141.2M
$448.3M
Q3 25
$310.1M
$250.6M
Q2 25
$190.6M
$211.1M
Q1 25
$113.6M
$179.4M
Q4 24
$140.1M
$331.3M
Q3 24
$231.4M
$203.6M
Q2 24
$100.8M
$173.4M
Q1 24
$173.6M
$142.1M
Free Cash Flow
MLI
MLI
ZS
ZS
Q4 25
$121.4M
$431.0M
Q3 25
$291.8M
$190.6M
Q2 25
$176.5M
$138.9M
Q1 25
$97.0M
$164.4M
Q4 24
$111.2M
$314.3M
Q3 24
$205.7M
$154.2M
Q2 24
$91.6M
$137.8M
Q1 24
$157.2M
$111.2M
FCF Margin
MLI
MLI
ZS
ZS
Q4 25
12.6%
54.7%
Q3 25
27.1%
26.5%
Q2 25
15.5%
20.5%
Q1 25
9.7%
25.4%
Q4 24
12.0%
50.1%
Q3 24
20.6%
26.0%
Q2 24
9.2%
24.9%
Q1 24
18.5%
21.2%
Capex Intensity
MLI
MLI
ZS
ZS
Q4 25
2.1%
2.2%
Q3 25
1.7%
8.3%
Q2 25
1.2%
10.6%
Q1 25
1.7%
2.3%
Q4 24
3.1%
2.7%
Q3 24
2.6%
8.3%
Q2 24
0.9%
6.4%
Q1 24
1.9%
5.9%
Cash Conversion
MLI
MLI
ZS
ZS
Q4 25
0.92×
Q3 25
1.49×
Q2 25
0.78×
Q1 25
0.72×
Q4 24
1.02×
Q3 24
1.37×
Q2 24
0.63×
9.07×
Q1 24
1.25×

Financial Flow Comparison

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

Revenue Breakdown by Segment

MLI
MLI

Tube And Fittings$484.6M50%
Industrial Metals$252.2M26%
Valves And Plumbing Specialties$122.5M13%
Flex Duct And Other HVAC Components$80.8M8%
Other Products$14.9M2%

ZS
ZS

Segment breakdown not available.

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