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

FLOWSERVE CORP is the larger business by last-quarter revenue ($1.2B vs $962.4M, roughly 1.3× MUELLER INDUSTRIES INC). MUELLER INDUSTRIES INC runs the higher net margin — 16.0% vs -2.4%, a 18.3% gap on every dollar of revenue. On growth, MUELLER INDUSTRIES INC posted the faster year-over-year revenue change (4.2% vs 3.5%). MUELLER INDUSTRIES INC produced more free cash flow last quarter ($121.4M vs $-25.6M). Over the past eight quarters, MUELLER INDUSTRIES INC's revenue compounded faster (6.4% CAGR vs 6.0%).

The Flowserve Corporation is an American multinational corporation and one of the largest suppliers of industrial and environmental machinery such as pumps, valves, end face mechanical seals, automation, and services to the power, oil, gas, chemical and other industries. Headquartered in Irving, Texas, which is in the Dallas–Fort Worth Metroplex, Flowserve employs close to 16,000 employees in more than 50 countries. Flowserve sells products and offers aftermarket services to engineering and c...

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.

FLS vs MLI — Head-to-Head

Bigger by revenue
FLS
FLS
1.3× larger
FLS
$1.2B
$962.4M
MLI
Growing faster (revenue YoY)
MLI
MLI
+0.7% gap
MLI
4.2%
3.5%
FLS
Higher net margin
MLI
MLI
18.3% more per $
MLI
16.0%
-2.4%
FLS
More free cash flow
MLI
MLI
$147.0M more FCF
MLI
$121.4M
$-25.6M
FLS
Faster 2-yr revenue CAGR
MLI
MLI
Annualised
MLI
6.4%
6.0%
FLS

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
FLS
FLS
MLI
MLI
Revenue
$1.2B
$962.4M
Net Profit
$-29.0M
$153.7M
Gross Margin
34.8%
Operating Margin
3.5%
17.9%
Net Margin
-2.4%
16.0%
Revenue YoY
3.5%
4.2%
Net Profit YoY
-137.4%
11.7%
EPS (diluted)
$-0.21
$1.37

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
FLS
FLS
MLI
MLI
Q4 25
$1.2B
$962.4M
Q3 25
$1.2B
$1.1B
Q2 25
$1.2B
$1.1B
Q1 25
$1.1B
$1.0B
Q4 24
$1.2B
$923.5M
Q3 24
$1.1B
$997.8M
Q2 24
$1.2B
$997.7M
Q1 24
$1.1B
$849.7M
Net Profit
FLS
FLS
MLI
MLI
Q4 25
$-29.0M
$153.7M
Q3 25
$219.6M
$208.1M
Q2 25
$81.8M
$245.9M
Q1 25
$73.9M
$157.4M
Q4 24
$77.5M
$137.7M
Q3 24
$58.4M
$168.7M
Q2 24
$72.6M
$160.2M
Q1 24
$74.2M
$138.4M
Gross Margin
FLS
FLS
MLI
MLI
Q4 25
34.8%
Q3 25
32.4%
Q2 25
34.2%
Q1 25
32.3%
Q4 24
31.5%
Q3 24
31.5%
27.6%
Q2 24
31.6%
27.3%
Q1 24
31.2%
28.4%
Operating Margin
FLS
FLS
MLI
MLI
Q4 25
3.5%
17.9%
Q3 25
6.7%
25.6%
Q2 25
12.3%
26.7%
Q1 25
11.5%
20.6%
Q4 24
10.6%
18.4%
Q3 24
9.1%
20.7%
Q2 24
10.5%
21.0%
Q1 24
10.4%
21.6%
Net Margin
FLS
FLS
MLI
MLI
Q4 25
-2.4%
16.0%
Q3 25
18.7%
19.3%
Q2 25
6.9%
21.6%
Q1 25
6.5%
15.7%
Q4 24
6.6%
14.9%
Q3 24
5.2%
16.9%
Q2 24
6.3%
16.1%
Q1 24
6.8%
16.3%
EPS (diluted)
FLS
FLS
MLI
MLI
Q4 25
$-0.21
$1.37
Q3 25
$1.67
$1.88
Q2 25
$0.62
$2.22
Q1 25
$0.56
$1.39
Q4 24
$0.59
$1.21
Q3 24
$0.44
$1.48
Q2 24
$0.55
$1.41
Q1 24
$0.56
$1.21

Balance Sheet & Financial Strength

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

Metric
FLS
FLS
MLI
MLI
Cash + ST InvestmentsLiquidity on hand
$760.2M
$1.4B
Total DebtLower is stronger
$1.6B
Stockholders' EquityBook value
$2.2B
$3.2B
Total Assets
$5.7B
$3.7B
Debt / EquityLower = less leverage
0.72×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
FLS
FLS
MLI
MLI
Q4 25
$760.2M
$1.4B
Q3 25
$1.3B
Q2 25
$1.1B
Q1 25
$873.6M
Q4 24
$675.4M
$1.1B
Q3 24
$969.6M
Q2 24
$825.7M
Q1 24
$1.4B
Total Debt
FLS
FLS
MLI
MLI
Q4 25
$1.6B
Q3 25
Q2 25
Q1 25
Q4 24
$1.5B
Q3 24
Q2 24
Q1 24
Stockholders' Equity
FLS
FLS
MLI
MLI
Q4 25
$2.2B
$3.2B
Q3 25
$2.3B
$3.1B
Q2 25
$2.2B
$2.9B
Q1 25
$2.1B
$2.7B
Q4 24
$2.0B
$2.8B
Q3 24
$2.1B
$2.7B
Q2 24
$2.0B
$2.5B
Q1 24
$2.0B
$2.4B
Total Assets
FLS
FLS
MLI
MLI
Q4 25
$5.7B
$3.7B
Q3 25
$5.8B
$3.7B
Q2 25
$5.7B
$3.5B
Q1 25
$5.5B
$3.2B
Q4 24
$5.5B
$3.3B
Q3 24
$5.3B
$3.2B
Q2 24
$5.2B
$3.1B
Q1 24
$5.1B
$2.9B
Debt / Equity
FLS
FLS
MLI
MLI
Q4 25
0.72×
Q3 25
Q2 25
Q1 25
Q4 24
0.75×
Q3 24
Q2 24
Q1 24

Cash Flow & Capital Efficiency

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

Metric
FLS
FLS
MLI
MLI
Operating Cash FlowLast quarter
$-174.0K
$141.2M
Free Cash FlowOCF − Capex
$-25.6M
$121.4M
FCF MarginFCF / Revenue
-2.1%
12.6%
Capex IntensityCapex / Revenue
2.1%
2.1%
Cash ConversionOCF / Net Profit
0.92×
TTM Free Cash FlowTrailing 4 quarters
$435.0M
$686.6M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
FLS
FLS
MLI
MLI
Q4 25
$-174.0K
$141.2M
Q3 25
$401.8M
$310.1M
Q2 25
$154.1M
$190.6M
Q1 25
$-49.9M
$113.6M
Q4 24
$197.3M
$140.1M
Q3 24
$178.5M
$231.4M
Q2 24
$-12.8M
$100.8M
Q1 24
$62.3M
$173.6M
Free Cash Flow
FLS
FLS
MLI
MLI
Q4 25
$-25.6M
$121.4M
Q3 25
$384.7M
$291.8M
Q2 25
$137.5M
$176.5M
Q1 25
$-61.7M
$97.0M
Q4 24
$168.5M
$111.2M
Q3 24
$154.6M
$205.7M
Q2 24
$-27.5M
$91.6M
Q1 24
$48.6M
$157.2M
FCF Margin
FLS
FLS
MLI
MLI
Q4 25
-2.1%
12.6%
Q3 25
32.8%
27.1%
Q2 25
11.6%
15.5%
Q1 25
-5.4%
9.7%
Q4 24
14.3%
12.0%
Q3 24
13.6%
20.6%
Q2 24
-2.4%
9.2%
Q1 24
4.5%
18.5%
Capex Intensity
FLS
FLS
MLI
MLI
Q4 25
2.1%
2.1%
Q3 25
1.5%
1.7%
Q2 25
1.4%
1.2%
Q1 25
1.0%
1.7%
Q4 24
2.4%
3.1%
Q3 24
2.1%
2.6%
Q2 24
1.3%
0.9%
Q1 24
1.3%
1.9%
Cash Conversion
FLS
FLS
MLI
MLI
Q4 25
0.92×
Q3 25
1.83×
1.49×
Q2 25
1.89×
0.78×
Q1 25
-0.68×
0.72×
Q4 24
2.55×
1.02×
Q3 24
3.06×
1.37×
Q2 24
-0.18×
0.63×
Q1 24
0.84×
1.25×

Financial Flow Comparison

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

Revenue Breakdown by Segment

FLS
FLS

Aftermarket Equipment$563.4M46%
FCD$390.3M32%
Original Equipment$268.5M22%

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%

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