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

MUELLER INDUSTRIES INC is the larger business by last-quarter revenue ($962.4M vs $692.4M, roughly 1.4× OCEANEERING INTERNATIONAL INC). MUELLER INDUSTRIES INC runs the higher net margin — 16.0% vs 5.2%, a 10.8% gap on every dollar of revenue. On growth, MUELLER INDUSTRIES INC posted the faster year-over-year revenue change (4.2% vs 2.7%). MUELLER INDUSTRIES INC produced more free cash flow last quarter ($121.4M vs $-76.5M). Over the past eight quarters, MUELLER INDUSTRIES INC's revenue compounded faster (6.4% CAGR vs 1.8%).

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.

Oceaneering International, Inc. is a subsea engineering and applied technology company based in Houston, Texas, U.S. that provides engineered services and hardware to customers who operate in marine, space, and other environments.

MLI vs OII — Head-to-Head

Bigger by revenue
MLI
MLI
1.4× larger
MLI
$962.4M
$692.4M
OII
Growing faster (revenue YoY)
MLI
MLI
+1.6% gap
MLI
4.2%
2.7%
OII
Higher net margin
MLI
MLI
10.8% more per $
MLI
16.0%
5.2%
OII
More free cash flow
MLI
MLI
$197.9M more FCF
MLI
$121.4M
$-76.5M
OII
Faster 2-yr revenue CAGR
MLI
MLI
Annualised
MLI
6.4%
1.8%
OII

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
MLI
MLI
OII
OII
Revenue
$962.4M
$692.4M
Net Profit
$153.7M
$36.1M
Gross Margin
Operating Margin
17.9%
Net Margin
16.0%
5.2%
Revenue YoY
4.2%
2.7%
Net Profit YoY
11.7%
-79.7%
EPS (diluted)
$1.37
$0.36

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
OII
OII
Q1 26
$692.4M
Q4 25
$962.4M
$668.6M
Q3 25
$1.1B
$742.9M
Q2 25
$1.1B
$698.2M
Q1 25
$1.0B
$674.5M
Q4 24
$923.5M
$713.5M
Q3 24
$997.8M
$679.8M
Q2 24
$997.7M
$668.8M
Net Profit
MLI
MLI
OII
OII
Q1 26
$36.1M
Q4 25
$153.7M
$177.7M
Q3 25
$208.1M
$71.3M
Q2 25
$245.9M
$54.4M
Q1 25
$157.4M
$50.4M
Q4 24
$137.7M
$56.1M
Q3 24
$168.7M
$41.2M
Q2 24
$160.2M
$35.0M
Gross Margin
MLI
MLI
OII
OII
Q1 26
Q4 25
19.8%
Q3 25
20.6%
Q2 25
21.3%
Q1 25
20.0%
Q4 24
19.9%
Q3 24
27.6%
19.3%
Q2 24
27.3%
18.0%
Operating Margin
MLI
MLI
OII
OII
Q1 26
Q4 25
17.9%
9.8%
Q3 25
25.6%
11.6%
Q2 25
26.7%
11.3%
Q1 25
20.6%
10.9%
Q4 24
18.4%
10.9%
Q3 24
20.7%
10.5%
Q2 24
21.0%
9.0%
Net Margin
MLI
MLI
OII
OII
Q1 26
5.2%
Q4 25
16.0%
26.6%
Q3 25
19.3%
9.6%
Q2 25
21.6%
7.8%
Q1 25
15.7%
7.5%
Q4 24
14.9%
7.9%
Q3 24
16.9%
6.1%
Q2 24
16.1%
5.2%
EPS (diluted)
MLI
MLI
OII
OII
Q1 26
$0.36
Q4 25
$1.37
$1.75
Q3 25
$1.88
$0.71
Q2 25
$2.22
$0.54
Q1 25
$1.39
$0.49
Q4 24
$1.21
$0.55
Q3 24
$1.48
$0.40
Q2 24
$1.41
$0.34

Balance Sheet & Financial Strength

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

Metric
MLI
MLI
OII
OII
Cash + ST InvestmentsLiquidity on hand
$1.4B
Total DebtLower is stronger
$488.8M
Stockholders' EquityBook value
$3.2B
$1.1B
Total Assets
$3.7B
$2.6B
Debt / EquityLower = less leverage
0.44×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
MLI
MLI
OII
OII
Q1 26
Q4 25
$1.4B
$695.9M
Q3 25
$1.3B
$7.0M
Q2 25
$1.1B
$7.0M
Q1 25
$873.6M
$7.0M
Q4 24
$1.1B
$504.5M
Q3 24
$969.6M
Q2 24
$825.7M
Total Debt
MLI
MLI
OII
OII
Q1 26
$488.8M
Q4 25
$487.4M
Q3 25
Q2 25
Q1 25
Q4 24
$482.0M
Q3 24
Q2 24
Stockholders' Equity
MLI
MLI
OII
OII
Q1 26
$1.1B
Q4 25
$3.2B
$1.1B
Q3 25
$3.1B
$907.7M
Q2 25
$2.9B
$842.1M
Q1 25
$2.7B
$773.1M
Q4 24
$2.8B
$714.3M
Q3 24
$2.7B
$698.0M
Q2 24
$2.5B
$651.0M
Total Assets
MLI
MLI
OII
OII
Q1 26
$2.6B
Q4 25
$3.7B
$2.7B
Q3 25
$3.7B
$2.5B
Q2 25
$3.5B
$2.3B
Q1 25
$3.2B
$2.3B
Q4 24
$3.3B
$2.3B
Q3 24
$3.2B
$2.4B
Q2 24
$3.1B
$2.3B
Debt / Equity
MLI
MLI
OII
OII
Q1 26
0.44×
Q4 25
0.46×
Q3 25
Q2 25
Q1 25
Q4 24
0.67×
Q3 24
Q2 24

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
OII
OII
Operating Cash FlowLast quarter
$141.2M
Free Cash FlowOCF − Capex
$121.4M
$-76.5M
FCF MarginFCF / Revenue
12.6%
-11.1%
Capex IntensityCapex / Revenue
2.1%
2.5%
Cash ConversionOCF / Net Profit
0.92×
TTM Free Cash FlowTrailing 4 quarters
$686.6M
$238.1M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
MLI
MLI
OII
OII
Q1 26
Q4 25
$141.2M
$221.1M
Q3 25
$310.1M
$101.3M
Q2 25
$190.6M
$77.2M
Q1 25
$113.6M
$-80.7M
Q4 24
$140.1M
$128.4M
Q3 24
$231.4M
$91.9M
Q2 24
$100.8M
$52.6M
Free Cash Flow
MLI
MLI
OII
OII
Q1 26
$-76.5M
Q4 25
$121.4M
$190.7M
Q3 25
$291.8M
$77.0M
Q2 25
$176.5M
$46.9M
Q1 25
$97.0M
$-106.8M
Q4 24
$111.2M
$94.5M
Q3 24
$205.7M
$67.0M
Q2 24
$91.6M
$29.8M
FCF Margin
MLI
MLI
OII
OII
Q1 26
-11.1%
Q4 25
12.6%
28.5%
Q3 25
27.1%
10.4%
Q2 25
15.5%
6.7%
Q1 25
9.7%
-15.8%
Q4 24
12.0%
13.2%
Q3 24
20.6%
9.9%
Q2 24
9.2%
4.5%
Capex Intensity
MLI
MLI
OII
OII
Q1 26
2.5%
Q4 25
2.1%
4.6%
Q3 25
1.7%
3.3%
Q2 25
1.2%
4.3%
Q1 25
1.7%
3.9%
Q4 24
3.1%
4.7%
Q3 24
2.6%
3.7%
Q2 24
0.9%
3.4%
Cash Conversion
MLI
MLI
OII
OII
Q1 26
Q4 25
0.92×
1.24×
Q3 25
1.49×
1.42×
Q2 25
0.78×
1.42×
Q1 25
0.72×
-1.60×
Q4 24
1.02×
2.29×
Q3 24
1.37×
2.23×
Q2 24
0.63×
1.50×

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%

OII
OII

Backlog at end of period$492.0M71%
Other$162.8M24%
ROV days available$22.5M3%
ROV days utilized$15.1M2%

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