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

MUELLER INDUSTRIES INC is the larger business by last-quarter revenue ($962.4M vs $537.9M, roughly 1.8× Dorman Products, Inc.). MUELLER INDUSTRIES INC runs the higher net margin — 16.0% vs 2.1%, a 13.8% gap on every dollar of revenue. On growth, MUELLER INDUSTRIES INC posted the faster year-over-year revenue change (4.2% vs 0.8%). MUELLER INDUSTRIES INC produced more free cash flow last quarter ($121.4M vs $33.5M). Over the past eight quarters, Dorman Products, Inc.'s revenue compounded faster (7.1% CAGR vs 6.4%).

Dorman Products is an American manufacturer of aftermarket automotive products in the United States. The company was founded in 1918. The company trades on the NASDAQ under the ticker DORM. The company is headquartered in Colmar, Pennsylvania.

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.

DORM vs MLI — Head-to-Head

Bigger by revenue
MLI
MLI
1.8× larger
MLI
$962.4M
$537.9M
DORM
Growing faster (revenue YoY)
MLI
MLI
+3.4% gap
MLI
4.2%
0.8%
DORM
Higher net margin
MLI
MLI
13.8% more per $
MLI
16.0%
2.1%
DORM
More free cash flow
MLI
MLI
$87.9M more FCF
MLI
$121.4M
$33.5M
DORM
Faster 2-yr revenue CAGR
DORM
DORM
Annualised
DORM
7.1%
6.4%
MLI

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
DORM
DORM
MLI
MLI
Revenue
$537.9M
$962.4M
Net Profit
$11.6M
$153.7M
Gross Margin
42.6%
Operating Margin
5.8%
17.9%
Net Margin
2.1%
16.0%
Revenue YoY
0.8%
4.2%
Net Profit YoY
-78.8%
11.7%
EPS (diluted)
$0.38
$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
DORM
DORM
MLI
MLI
Q4 25
$537.9M
$962.4M
Q3 25
$543.7M
$1.1B
Q2 25
$541.0M
$1.1B
Q1 25
$507.7M
$1.0B
Q4 24
$533.8M
$923.5M
Q3 24
$503.8M
$997.8M
Q2 24
$503.0M
$997.7M
Q1 24
$468.7M
$849.7M
Net Profit
DORM
DORM
MLI
MLI
Q4 25
$11.6M
$153.7M
Q3 25
$76.4M
$208.1M
Q2 25
$58.7M
$245.9M
Q1 25
$57.5M
$157.4M
Q4 24
$54.5M
$137.7M
Q3 24
$55.3M
$168.7M
Q2 24
$47.4M
$160.2M
Q1 24
$32.8M
$138.4M
Gross Margin
DORM
DORM
MLI
MLI
Q4 25
42.6%
Q3 25
44.4%
Q2 25
40.6%
Q1 25
40.9%
Q4 24
41.5%
Q3 24
40.5%
27.6%
Q2 24
39.6%
27.3%
Q1 24
38.7%
28.4%
Operating Margin
DORM
DORM
MLI
MLI
Q4 25
5.8%
17.9%
Q3 25
19.4%
25.6%
Q2 25
15.2%
26.7%
Q1 25
15.8%
20.6%
Q4 24
16.3%
18.4%
Q3 24
15.7%
20.7%
Q2 24
14.4%
21.0%
Q1 24
11.6%
21.6%
Net Margin
DORM
DORM
MLI
MLI
Q4 25
2.1%
16.0%
Q3 25
14.1%
19.3%
Q2 25
10.9%
21.6%
Q1 25
11.3%
15.7%
Q4 24
10.2%
14.9%
Q3 24
11.0%
16.9%
Q2 24
9.4%
16.1%
Q1 24
7.0%
16.3%
EPS (diluted)
DORM
DORM
MLI
MLI
Q4 25
$0.38
$1.37
Q3 25
$2.48
$1.88
Q2 25
$1.91
$2.22
Q1 25
$1.87
$1.39
Q4 24
$1.76
$1.21
Q3 24
$1.80
$1.48
Q2 24
$1.53
$1.41
Q1 24
$1.05
$1.21

Balance Sheet & Financial Strength

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

Metric
DORM
DORM
MLI
MLI
Cash + ST InvestmentsLiquidity on hand
$49.4M
$1.4B
Total DebtLower is stronger
$440.6M
Stockholders' EquityBook value
$1.5B
$3.2B
Total Assets
$2.5B
$3.7B
Debt / EquityLower = less leverage
0.30×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
DORM
DORM
MLI
MLI
Q4 25
$49.4M
$1.4B
Q3 25
$55.5M
$1.3B
Q2 25
$56.8M
$1.1B
Q1 25
$60.6M
$873.6M
Q4 24
$57.1M
$1.1B
Q3 24
$45.1M
$969.6M
Q2 24
$47.5M
$825.7M
Q1 24
$34.4M
$1.4B
Total Debt
DORM
DORM
MLI
MLI
Q4 25
$440.6M
Q3 25
Q2 25
Q1 25
Q4 24
$468.8M
Q3 24
Q2 24
Q1 24
Stockholders' Equity
DORM
DORM
MLI
MLI
Q4 25
$1.5B
$3.2B
Q3 25
$1.5B
$3.1B
Q2 25
$1.4B
$2.9B
Q1 25
$1.3B
$2.7B
Q4 24
$1.3B
$2.8B
Q3 24
$1.2B
$2.7B
Q2 24
$1.2B
$2.5B
Q1 24
$1.2B
$2.4B
Total Assets
DORM
DORM
MLI
MLI
Q4 25
$2.5B
$3.7B
Q3 25
$2.6B
$3.7B
Q2 25
$2.5B
$3.5B
Q1 25
$2.4B
$3.2B
Q4 24
$2.4B
$3.3B
Q3 24
$2.4B
$3.2B
Q2 24
$2.3B
$3.1B
Q1 24
$2.2B
$2.9B
Debt / Equity
DORM
DORM
MLI
MLI
Q4 25
0.30×
Q3 25
Q2 25
Q1 25
Q4 24
0.36×
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
DORM
DORM
MLI
MLI
Operating Cash FlowLast quarter
$41.6M
$141.2M
Free Cash FlowOCF − Capex
$33.5M
$121.4M
FCF MarginFCF / Revenue
6.2%
12.6%
Capex IntensityCapex / Revenue
1.5%
2.1%
Cash ConversionOCF / Net Profit
3.60×
0.92×
TTM Free Cash FlowTrailing 4 quarters
$75.7M
$686.6M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
DORM
DORM
MLI
MLI
Q4 25
$41.6M
$141.2M
Q3 25
$12.2M
$310.1M
Q2 25
$8.5M
$190.6M
Q1 25
$51.2M
$113.6M
Q4 24
$71.4M
$140.1M
Q3 24
$44.3M
$231.4M
Q2 24
$63.3M
$100.8M
Q1 24
$52.0M
$173.6M
Free Cash Flow
DORM
DORM
MLI
MLI
Q4 25
$33.5M
$121.4M
Q3 25
$1.8M
$291.8M
Q2 25
$98.0K
$176.5M
Q1 25
$40.3M
$97.0M
Q4 24
$63.2M
$111.2M
Q3 24
$35.7M
$205.7M
Q2 24
$51.4M
$91.6M
Q1 24
$41.2M
$157.2M
FCF Margin
DORM
DORM
MLI
MLI
Q4 25
6.2%
12.6%
Q3 25
0.3%
27.1%
Q2 25
0.0%
15.5%
Q1 25
7.9%
9.7%
Q4 24
11.8%
12.0%
Q3 24
7.1%
20.6%
Q2 24
10.2%
9.2%
Q1 24
8.8%
18.5%
Capex Intensity
DORM
DORM
MLI
MLI
Q4 25
1.5%
2.1%
Q3 25
1.9%
1.7%
Q2 25
1.6%
1.2%
Q1 25
2.2%
1.7%
Q4 24
1.5%
3.1%
Q3 24
1.7%
2.6%
Q2 24
2.4%
0.9%
Q1 24
2.3%
1.9%
Cash Conversion
DORM
DORM
MLI
MLI
Q4 25
3.60×
0.92×
Q3 25
0.16×
1.49×
Q2 25
0.15×
0.78×
Q1 25
0.89×
0.72×
Q4 24
1.31×
1.02×
Q3 24
0.80×
1.37×
Q2 24
1.34×
0.63×
Q1 24
1.58×
1.25×

Financial Flow Comparison

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

Revenue Breakdown by Segment

DORM
DORM

Light Duty$428.6M80%
Heavy Duty$55.8M10%
Specialty Vehicle$53.5M10%

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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