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Side-by-side financial comparison of Dorman Products, Inc. (DORM) and STAR GROUP, L.P. (SGU). Click either name above to swap in a different company.

STAR GROUP, L.P. is the larger business by last-quarter revenue ($539.3M vs $528.8M, roughly 1.0× Dorman Products, Inc.). Dorman Products, Inc. runs the higher net margin — 8.2% vs 6.6%, a 1.6% gap on every dollar of revenue. On growth, STAR GROUP, L.P. posted the faster year-over-year revenue change (10.5% vs 4.2%).

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.

Lone Star Funds, legal name of main entity Lone Star Global Acquisitions, Ltd. is a global private equity firm that invests in corporate equity, real estate, credit, and other financial assets. The founder of Lone Star established its first fund in 1995 and Lone Star has to date organized 25 private equity funds with total capital commitments since inception of over $95 billion. Lone Star's investors include corporate and public pension funds, sovereign wealth funds, university endowments, fo...

DORM vs SGU — Head-to-Head

Bigger by revenue
SGU
SGU
1.0× larger
SGU
$539.3M
$528.8M
DORM
Growing faster (revenue YoY)
SGU
SGU
+6.3% gap
SGU
10.5%
4.2%
DORM
Higher net margin
DORM
DORM
1.6% more per $
DORM
8.2%
6.6%
SGU

Income Statement — Q1 FY2026 vs Q1 FY2026

Metric
DORM
DORM
SGU
SGU
Revenue
$528.8M
$539.3M
Net Profit
$43.6M
$35.8M
Gross Margin
36.0%
Operating Margin
11.1%
10.1%
Net Margin
8.2%
6.6%
Revenue YoY
4.2%
10.5%
Net Profit YoY
-24.3%
8.8%
EPS (diluted)
$1.43

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
SGU
SGU
Q1 26
$528.8M
Q4 25
$537.9M
$539.3M
Q3 25
$543.7M
Q2 25
$541.0M
Q1 25
$507.7M
Q4 24
$533.8M
Q3 24
$503.8M
Q2 24
$503.0M
Net Profit
DORM
DORM
SGU
SGU
Q1 26
$43.6M
Q4 25
$11.6M
$35.8M
Q3 25
$76.4M
Q2 25
$58.7M
Q1 25
$57.5M
Q4 24
$54.5M
Q3 24
$55.3M
Q2 24
$47.4M
Gross Margin
DORM
DORM
SGU
SGU
Q1 26
36.0%
Q4 25
42.6%
Q3 25
44.4%
Q2 25
40.6%
Q1 25
40.9%
Q4 24
41.5%
Q3 24
40.5%
Q2 24
39.6%
Operating Margin
DORM
DORM
SGU
SGU
Q1 26
11.1%
Q4 25
5.8%
10.1%
Q3 25
19.4%
Q2 25
15.2%
Q1 25
15.8%
Q4 24
16.3%
Q3 24
15.7%
Q2 24
14.4%
Net Margin
DORM
DORM
SGU
SGU
Q1 26
8.2%
Q4 25
2.1%
6.6%
Q3 25
14.1%
Q2 25
10.9%
Q1 25
11.3%
Q4 24
10.2%
Q3 24
11.0%
Q2 24
9.4%
EPS (diluted)
DORM
DORM
SGU
SGU
Q1 26
$1.43
Q4 25
$0.38
Q3 25
$2.48
Q2 25
$1.91
Q1 25
$1.87
Q4 24
$1.76
Q3 24
$1.80
Q2 24
$1.53

Balance Sheet & Financial Strength

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

Metric
DORM
DORM
SGU
SGU
Cash + ST InvestmentsLiquidity on hand
$43.1M
$19.9M
Total DebtLower is stronger
$440.0M
$254.8M
Stockholders' EquityBook value
$1.5B
Total Assets
$2.4B
$1.1B
Debt / EquityLower = less leverage
0.30×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
DORM
DORM
SGU
SGU
Q1 26
$43.1M
Q4 25
$49.4M
$19.9M
Q3 25
$55.5M
Q2 25
$56.8M
Q1 25
$60.6M
Q4 24
$57.1M
Q3 24
$45.1M
Q2 24
$47.5M
Total Debt
DORM
DORM
SGU
SGU
Q1 26
$440.0M
Q4 25
$440.6M
$254.8M
Q3 25
Q2 25
Q1 25
Q4 24
$468.8M
Q3 24
Q2 24
Stockholders' Equity
DORM
DORM
SGU
SGU
Q1 26
$1.5B
Q4 25
$1.5B
Q3 25
$1.5B
Q2 25
$1.4B
Q1 25
$1.3B
Q4 24
$1.3B
Q3 24
$1.2B
Q2 24
$1.2B
Total Assets
DORM
DORM
SGU
SGU
Q1 26
$2.4B
Q4 25
$2.5B
$1.1B
Q3 25
$2.6B
Q2 25
$2.5B
Q1 25
$2.4B
Q4 24
$2.4B
Q3 24
$2.4B
Q2 24
$2.3B
Debt / Equity
DORM
DORM
SGU
SGU
Q1 26
0.30×
Q4 25
0.30×
Q3 25
Q2 25
Q1 25
Q4 24
0.36×
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
DORM
DORM
SGU
SGU
Operating Cash FlowLast quarter
$-55.2M
Free Cash FlowOCF − Capex
$-59.7M
FCF MarginFCF / Revenue
-11.1%
Capex IntensityCapex / Revenue
1.6%
0.8%
Cash ConversionOCF / Net Profit
-1.54×
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
DORM
DORM
SGU
SGU
Q1 26
Q4 25
$41.6M
$-55.2M
Q3 25
$12.2M
Q2 25
$8.5M
Q1 25
$51.2M
Q4 24
$71.4M
Q3 24
$44.3M
Q2 24
$63.3M
Free Cash Flow
DORM
DORM
SGU
SGU
Q1 26
Q4 25
$33.5M
$-59.7M
Q3 25
$1.8M
Q2 25
$98.0K
Q1 25
$40.3M
Q4 24
$63.2M
Q3 24
$35.7M
Q2 24
$51.4M
FCF Margin
DORM
DORM
SGU
SGU
Q1 26
Q4 25
6.2%
-11.1%
Q3 25
0.3%
Q2 25
0.0%
Q1 25
7.9%
Q4 24
11.8%
Q3 24
7.1%
Q2 24
10.2%
Capex Intensity
DORM
DORM
SGU
SGU
Q1 26
1.6%
Q4 25
1.5%
0.8%
Q3 25
1.9%
Q2 25
1.6%
Q1 25
2.2%
Q4 24
1.5%
Q3 24
1.7%
Q2 24
2.4%
Cash Conversion
DORM
DORM
SGU
SGU
Q1 26
Q4 25
3.60×
-1.54×
Q3 25
0.16×
Q2 25
0.15×
Q1 25
0.89×
Q4 24
1.31×
Q3 24
0.80×
Q2 24
1.34×

Financial Flow Comparison

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

Revenue Breakdown by Segment

DORM
DORM

Segment breakdown not available.

SGU
SGU

Home Heating Oil And Propane$372.6M69%
Motor Fuel And Other Petroleum Products$75.4M14%
Equipment Installations$39.6M7%
Equipment Maintenance Service Contracts$30.3M6%
Billable Call Services$21.4M4%

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