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

PLEXUS CORP is the larger business by last-quarter revenue ($1.2B vs $962.4M, roughly 1.2× MUELLER INDUSTRIES INC). MUELLER INDUSTRIES INC runs the higher net margin — 16.0% vs 4.3%, a 11.7% gap on every dollar of revenue. On growth, PLEXUS CORP posted the faster year-over-year revenue change (18.7% vs 4.2%). Over the past eight quarters, PLEXUS CORP's revenue compounded faster (7.2% 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.

Plex Systems, Inc. is an American software company based in Troy, Michigan. The company develops and markets the Plex Manufacturing Cloud, a software as a service (SaaS) or cloud computing ERP for manufacturing.

MLI vs PLXS — Head-to-Head

Bigger by revenue
PLXS
PLXS
1.2× larger
PLXS
$1.2B
$962.4M
MLI
Growing faster (revenue YoY)
PLXS
PLXS
+14.5% gap
PLXS
18.7%
4.2%
MLI
Higher net margin
MLI
MLI
11.7% more per $
MLI
16.0%
4.3%
PLXS
Faster 2-yr revenue CAGR
PLXS
PLXS
Annualised
PLXS
7.2%
6.4%
MLI

Income Statement — Q4 FY2025 vs Q2 FY2026

Metric
MLI
MLI
PLXS
PLXS
Revenue
$962.4M
$1.2B
Net Profit
$153.7M
$49.8M
Gross Margin
10.2%
Operating Margin
17.9%
5.3%
Net Margin
16.0%
4.3%
Revenue YoY
4.2%
18.7%
Net Profit YoY
11.7%
27.5%
EPS (diluted)
$1.37
$1.82

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
PLXS
PLXS
Q1 26
$1.1B
Q4 25
$962.4M
Q3 25
$1.1B
Q2 25
$1.1B
Q1 25
$1.0B
Q4 24
$923.5M
Q3 24
$997.8M
Q2 24
$997.7M
Net Profit
MLI
MLI
PLXS
PLXS
Q1 26
$41.2M
Q4 25
$153.7M
Q3 25
$208.1M
Q2 25
$245.9M
Q1 25
$157.4M
Q4 24
$137.7M
Q3 24
$168.7M
Q2 24
$160.2M
Gross Margin
MLI
MLI
PLXS
PLXS
Q1 26
9.9%
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
27.6%
Q2 24
27.3%
Operating Margin
MLI
MLI
PLXS
PLXS
Q1 26
5.1%
Q4 25
17.9%
Q3 25
25.6%
Q2 25
26.7%
Q1 25
20.6%
Q4 24
18.4%
Q3 24
20.7%
Q2 24
21.0%
Net Margin
MLI
MLI
PLXS
PLXS
Q1 26
3.8%
Q4 25
16.0%
Q3 25
19.3%
Q2 25
21.6%
Q1 25
15.7%
Q4 24
14.9%
Q3 24
16.9%
Q2 24
16.1%
EPS (diluted)
MLI
MLI
PLXS
PLXS
Q1 26
$1.51
Q4 25
$1.37
Q3 25
$1.88
Q2 25
$2.22
Q1 25
$1.39
Q4 24
$1.21
Q3 24
$1.48
Q2 24
$1.41

Balance Sheet & Financial Strength

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

Metric
MLI
MLI
PLXS
PLXS
Cash + ST InvestmentsLiquidity on hand
$1.4B
$303.1M
Total DebtLower is stronger
Stockholders' EquityBook value
$3.2B
$1.5B
Total Assets
$3.7B
$3.4B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
MLI
MLI
PLXS
PLXS
Q1 26
$248.8M
Q4 25
$1.4B
Q3 25
$1.3B
Q2 25
$1.1B
Q1 25
$873.6M
Q4 24
$1.1B
Q3 24
$969.6M
Q2 24
$825.7M
Stockholders' Equity
MLI
MLI
PLXS
PLXS
Q1 26
$1.5B
Q4 25
$3.2B
Q3 25
$3.1B
Q2 25
$2.9B
Q1 25
$2.7B
Q4 24
$2.8B
Q3 24
$2.7B
Q2 24
$2.5B
Total Assets
MLI
MLI
PLXS
PLXS
Q1 26
$3.2B
Q4 25
$3.7B
Q3 25
$3.7B
Q2 25
$3.5B
Q1 25
$3.2B
Q4 24
$3.3B
Q3 24
$3.2B
Q2 24
$3.1B

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

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
MLI
MLI
PLXS
PLXS
Q1 26
Q4 25
$141.2M
Q3 25
$310.1M
Q2 25
$190.6M
Q1 25
$113.6M
Q4 24
$140.1M
Q3 24
$231.4M
Q2 24
$100.8M
Free Cash Flow
MLI
MLI
PLXS
PLXS
Q1 26
Q4 25
$121.4M
Q3 25
$291.8M
Q2 25
$176.5M
Q1 25
$97.0M
Q4 24
$111.2M
Q3 24
$205.7M
Q2 24
$91.6M
FCF Margin
MLI
MLI
PLXS
PLXS
Q1 26
Q4 25
12.6%
Q3 25
27.1%
Q2 25
15.5%
Q1 25
9.7%
Q4 24
12.0%
Q3 24
20.6%
Q2 24
9.2%
Capex Intensity
MLI
MLI
PLXS
PLXS
Q1 26
Q4 25
2.1%
Q3 25
1.7%
Q2 25
1.2%
Q1 25
1.7%
Q4 24
3.1%
Q3 24
2.6%
Q2 24
0.9%
Cash Conversion
MLI
MLI
PLXS
PLXS
Q1 26
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×

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%

PLXS
PLXS

Asia-Pacific$652.0M56%
Americas$397.0M34%
Europe, Middle East and Africa$116.0M10%

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