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Side-by-side financial comparison of MUELLER INDUSTRIES INC (MLI) and Quanex Building Products CORP (NX). Click either name above to swap in a different company.

MUELLER INDUSTRIES INC is the larger business by last-quarter revenue ($962.4M vs $495.3M, roughly 1.9× Quanex Building Products CORP). MUELLER INDUSTRIES INC runs the higher net margin — 16.0% vs -55.7%, a 71.7% gap on every dollar of revenue. On growth, Quanex Building Products CORP posted the faster year-over-year revenue change (76.7% vs 4.2%). MUELLER INDUSTRIES INC produced more free cash flow last quarter ($121.4M vs $46.2M). Over the past eight quarters, Quanex Building Products CORP's revenue compounded faster (29.5% 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.

Quanex Building Products Corporation is a leading manufacturer of engineered building components and materials. Its core offerings include insulating glass spacers, window and door systems, and cabinet furniture components, serving residential and commercial construction markets across North America and Europe, with a focus on energy-efficient, sustainable building solutions.

MLI vs NX — Head-to-Head

Bigger by revenue
MLI
MLI
1.9× larger
MLI
$962.4M
$495.3M
NX
Growing faster (revenue YoY)
NX
NX
+72.5% gap
NX
76.7%
4.2%
MLI
Higher net margin
MLI
MLI
71.7% more per $
MLI
16.0%
-55.7%
NX
More free cash flow
MLI
MLI
$75.2M more FCF
MLI
$121.4M
$46.2M
NX
Faster 2-yr revenue CAGR
NX
NX
Annualised
NX
29.5%
6.4%
MLI

Income Statement — Q4 2025 vs Q3 2025

Metric
MLI
MLI
NX
NX
Revenue
$962.4M
$495.3M
Net Profit
$153.7M
$-276.0M
Gross Margin
27.9%
Operating Margin
17.9%
-54.7%
Net Margin
16.0%
-55.7%
Revenue YoY
4.2%
76.7%
Net Profit YoY
11.7%
-1188.8%
EPS (diluted)
$1.37
$-6.04

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
NX
NX
Q4 25
$962.4M
Q3 25
$1.1B
$495.3M
Q2 25
$1.1B
$452.5M
Q1 25
$1.0B
$400.0M
Q4 24
$923.5M
$492.2M
Q3 24
$997.8M
$280.3M
Q2 24
$997.7M
$266.2M
Q1 24
$849.7M
$239.2M
Net Profit
MLI
MLI
NX
NX
Q4 25
$153.7M
Q3 25
$208.1M
$-276.0M
Q2 25
$245.9M
$20.5M
Q1 25
$157.4M
$-14.9M
Q4 24
$137.7M
$-13.9M
Q3 24
$168.7M
$25.4M
Q2 24
$160.2M
$15.4M
Q1 24
$138.4M
$6.2M
Gross Margin
MLI
MLI
NX
NX
Q4 25
Q3 25
27.9%
Q2 25
29.0%
Q1 25
23.1%
Q4 24
Q3 24
27.6%
25.3%
Q2 24
27.3%
24.9%
Q1 24
28.4%
21.5%
Operating Margin
MLI
MLI
NX
NX
Q4 25
17.9%
Q3 25
25.6%
-54.7%
Q2 25
26.7%
9.0%
Q1 25
20.6%
-1.7%
Q4 24
18.4%
0.6%
Q3 24
20.7%
8.4%
Q2 24
21.0%
7.8%
Q1 24
21.6%
3.3%
Net Margin
MLI
MLI
NX
NX
Q4 25
16.0%
Q3 25
19.3%
-55.7%
Q2 25
21.6%
4.5%
Q1 25
15.7%
-3.7%
Q4 24
14.9%
-2.8%
Q3 24
16.9%
9.0%
Q2 24
16.1%
5.8%
Q1 24
16.3%
2.6%
EPS (diluted)
MLI
MLI
NX
NX
Q4 25
$1.37
Q3 25
$1.88
$-6.04
Q2 25
$2.22
$0.44
Q1 25
$1.39
$-0.32
Q4 24
$1.21
$-0.52
Q3 24
$1.48
$0.77
Q2 24
$1.41
$0.46
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
NX
NX
Cash + ST InvestmentsLiquidity on hand
$1.4B
$66.3M
Total DebtLower is stronger
$695.6M
Stockholders' EquityBook value
$3.2B
$717.4M
Total Assets
$3.7B
$2.0B
Debt / EquityLower = less leverage
0.97×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
MLI
MLI
NX
NX
Q4 25
$1.4B
Q3 25
$1.3B
$66.3M
Q2 25
$1.1B
$62.6M
Q1 25
$873.6M
$50.0M
Q4 24
$1.1B
$97.7M
Q3 24
$969.6M
$94.0M
Q2 24
$825.7M
$56.1M
Q1 24
$1.4B
$44.4M
Total Debt
MLI
MLI
NX
NX
Q4 25
Q3 25
$695.6M
Q2 25
$746.4M
Q1 25
$725.2M
Q4 24
$737.2M
Q3 24
$51.4M
Q2 24
$51.5M
Q1 24
$61.6M
Stockholders' Equity
MLI
MLI
NX
NX
Q4 25
$3.2B
Q3 25
$3.1B
$717.4M
Q2 25
$2.9B
$1.0B
Q1 25
$2.7B
$972.1M
Q4 24
$2.8B
$1.0B
Q3 24
$2.7B
$594.1M
Q2 24
$2.5B
$566.1M
Q1 24
$2.4B
$555.0M
Total Assets
MLI
MLI
NX
NX
Q4 25
$3.7B
Q3 25
$3.7B
$2.0B
Q2 25
$3.5B
$2.3B
Q1 25
$3.2B
$2.2B
Q4 24
$3.3B
$2.3B
Q3 24
$3.2B
$872.5M
Q2 24
$3.1B
$837.2M
Q1 24
$2.9B
$813.4M
Debt / Equity
MLI
MLI
NX
NX
Q4 25
Q3 25
0.97×
Q2 25
0.75×
Q1 25
0.75×
Q4 24
0.73×
Q3 24
0.09×
Q2 24
0.09×
Q1 24
0.11×

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
NX
NX
Operating Cash FlowLast quarter
$141.2M
$60.7M
Free Cash FlowOCF − Capex
$121.4M
$46.2M
FCF MarginFCF / Revenue
12.6%
9.3%
Capex IntensityCapex / Revenue
2.1%
2.9%
Cash ConversionOCF / Net Profit
0.92×
TTM Free Cash FlowTrailing 4 quarters
$686.6M
$27.5M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
MLI
MLI
NX
NX
Q4 25
$141.2M
Q3 25
$310.1M
$60.7M
Q2 25
$190.6M
$28.5M
Q1 25
$113.6M
$-12.5M
Q4 24
$140.1M
$5.5M
Q3 24
$231.4M
$46.4M
Q2 24
$100.8M
$33.1M
Q1 24
$173.6M
$3.9M
Free Cash Flow
MLI
MLI
NX
NX
Q4 25
$121.4M
Q3 25
$291.8M
$46.2M
Q2 25
$176.5M
$13.6M
Q1 25
$97.0M
$-24.1M
Q4 24
$111.2M
$-8.2M
Q3 24
$205.7M
$40.1M
Q2 24
$91.6M
$25.5M
Q1 24
$157.2M
$-5.7M
FCF Margin
MLI
MLI
NX
NX
Q4 25
12.6%
Q3 25
27.1%
9.3%
Q2 25
15.5%
3.0%
Q1 25
9.7%
-6.0%
Q4 24
12.0%
-1.7%
Q3 24
20.6%
14.3%
Q2 24
9.2%
9.6%
Q1 24
18.5%
-2.4%
Capex Intensity
MLI
MLI
NX
NX
Q4 25
2.1%
Q3 25
1.7%
2.9%
Q2 25
1.2%
3.3%
Q1 25
1.7%
2.9%
Q4 24
3.1%
2.8%
Q3 24
2.6%
2.2%
Q2 24
0.9%
2.9%
Q1 24
1.9%
4.0%
Cash Conversion
MLI
MLI
NX
NX
Q4 25
0.92×
Q3 25
1.49×
Q2 25
0.78×
1.39×
Q1 25
0.72×
Q4 24
1.02×
Q3 24
1.37×
1.83×
Q2 24
0.63×
2.15×
Q1 24
1.25×
0.62×

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%

NX
NX

Window And Door Hardware$150.3M30%
Screens$76.8M16%
Window Profiles$68.2M14%
Spacers$54.7M11%
Wood Solutions$53.4M11%
Seals And Gaskets$29.9M6%
Access Solutions$27.4M6%
Mixing Solution$21.5M4%
Solar$5.3M1%
Product Type Other$3.3M1%

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