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Side-by-side financial comparison of MDU RESOURCES GROUP INC (MDU) 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 $522.6M, roughly 1.0× MDU RESOURCES GROUP INC). MDU RESOURCES GROUP INC runs the higher net margin — 14.6% vs 6.6%, a 8.0% gap on every dollar of revenue. On growth, STAR GROUP, L.P. posted the faster year-over-year revenue change (10.5% vs -1.6%). STAR GROUP, L.P. produced more free cash flow last quarter ($-59.7M vs $-336.0M).

MDU Resources Group, Inc. is a U.S.-based corporation supplying products and services to regulated energy delivery and utilities related construction materials and services businesses. It is headquartered in Bismarck, North Dakota, and operates in 48 states.

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...

MDU vs SGU — Head-to-Head

Bigger by revenue
SGU
SGU
1.0× larger
SGU
$539.3M
$522.6M
MDU
Growing faster (revenue YoY)
SGU
SGU
+12.1% gap
SGU
10.5%
-1.6%
MDU
Higher net margin
MDU
MDU
8.0% more per $
MDU
14.6%
6.6%
SGU
More free cash flow
SGU
SGU
$276.3M more FCF
SGU
$-59.7M
$-336.0M
MDU

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
MDU
MDU
SGU
SGU
Revenue
$522.6M
$539.3M
Net Profit
$76.3M
$35.8M
Gross Margin
Operating Margin
20.5%
10.1%
Net Margin
14.6%
6.6%
Revenue YoY
-1.6%
10.5%
Net Profit YoY
38.4%
8.8%
EPS (diluted)
$0.37

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
MDU
MDU
SGU
SGU
Q4 25
$522.6M
$539.3M
Q3 25
$313.6M
Q2 25
$348.7M
Q1 25
$678.0M
Q4 24
$531.0M
Q3 24
$290.7M
Q2 24
$343.1M
Q1 24
$588.2M
Net Profit
MDU
MDU
SGU
SGU
Q4 25
$76.3M
$35.8M
Q3 25
$18.3M
Q2 25
$13.8M
Q1 25
$82.0M
Q4 24
$55.2M
Q3 24
$64.6M
Q2 24
$60.4M
Q1 24
$100.9M
Operating Margin
MDU
MDU
SGU
SGU
Q4 25
20.5%
10.1%
Q3 25
12.7%
Q2 25
8.7%
Q1 25
16.6%
Q4 24
17.8%
Q3 24
12.0%
Q2 24
11.5%
Q1 24
16.4%
Net Margin
MDU
MDU
SGU
SGU
Q4 25
14.6%
6.6%
Q3 25
5.8%
Q2 25
4.0%
Q1 25
12.1%
Q4 24
10.4%
Q3 24
22.2%
Q2 24
17.6%
Q1 24
17.2%
EPS (diluted)
MDU
MDU
SGU
SGU
Q4 25
$0.37
Q3 25
$0.09
Q2 25
$0.07
Q1 25
$0.40
Q4 24
$0.26
Q3 24
$0.32
Q2 24
$0.30
Q1 24
$0.49

Balance Sheet & Financial Strength

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

Metric
MDU
MDU
SGU
SGU
Cash + ST InvestmentsLiquidity on hand
$28.2M
$19.9M
Total DebtLower is stronger
$2.7B
$254.8M
Stockholders' EquityBook value
$2.8B
Total Assets
$7.6B
$1.1B
Debt / EquityLower = less leverage
0.97×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
MDU
MDU
SGU
SGU
Q4 25
$28.2M
$19.9M
Q3 25
$75.9M
Q2 25
$58.8M
Q1 25
$59.5M
Q4 24
$66.9M
Q3 24
$88.3M
Q2 24
$78.8M
Q1 24
$72.7M
Total Debt
MDU
MDU
SGU
SGU
Q4 25
$2.7B
$254.8M
Q3 25
$2.4B
Q2 25
$2.2B
Q1 25
$2.2B
Q4 24
$2.3B
Q3 24
$2.3B
Q2 24
$2.3B
Q1 24
$2.3B
Stockholders' Equity
MDU
MDU
SGU
SGU
Q4 25
$2.8B
Q3 25
$2.7B
Q2 25
$2.7B
Q1 25
$2.7B
Q4 24
$2.7B
Q3 24
$3.1B
Q2 24
$3.0B
Q1 24
$3.0B
Total Assets
MDU
MDU
SGU
SGU
Q4 25
$7.6B
$1.1B
Q3 25
$7.2B
Q2 25
$6.9B
Q1 25
$7.0B
Q4 24
$7.0B
Q3 24
$8.2B
Q2 24
$8.0B
Q1 24
$7.8B
Debt / Equity
MDU
MDU
SGU
SGU
Q4 25
0.97×
Q3 25
0.86×
Q2 25
0.80×
Q1 25
0.80×
Q4 24
0.85×
Q3 24
0.76×
Q2 24
0.75×
Q1 24
0.76×

Cash Flow & Capital Efficiency

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

Metric
MDU
MDU
SGU
SGU
Operating Cash FlowLast quarter
$80.6M
$-55.2M
Free Cash FlowOCF − Capex
$-336.0M
$-59.7M
FCF MarginFCF / Revenue
-64.3%
-11.1%
Capex IntensityCapex / Revenue
79.7%
0.8%
Cash ConversionOCF / Net Profit
1.06×
-1.54×
TTM Free Cash FlowTrailing 4 quarters
$-297.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
MDU
MDU
SGU
SGU
Q4 25
$80.6M
$-55.2M
Q3 25
$57.9M
Q2 25
$117.4M
Q1 25
$217.5M
Q4 24
$60.5M
Q3 24
$140.2M
Q2 24
$136.5M
Q1 24
$165.1M
Free Cash Flow
MDU
MDU
SGU
SGU
Q4 25
$-336.0M
$-59.7M
Q3 25
$-121.9M
Q2 25
$36.5M
Q1 25
$124.4M
Q4 24
$-95.8M
Q3 24
$673.0K
Q2 24
$26.5M
Q1 24
$48.1M
FCF Margin
MDU
MDU
SGU
SGU
Q4 25
-64.3%
-11.1%
Q3 25
-38.9%
Q2 25
10.5%
Q1 25
18.4%
Q4 24
-18.0%
Q3 24
0.2%
Q2 24
7.7%
Q1 24
8.2%
Capex Intensity
MDU
MDU
SGU
SGU
Q4 25
79.7%
0.8%
Q3 25
57.3%
Q2 25
23.2%
Q1 25
13.7%
Q4 24
29.4%
Q3 24
48.0%
Q2 24
32.0%
Q1 24
19.9%
Cash Conversion
MDU
MDU
SGU
SGU
Q4 25
1.06×
-1.54×
Q3 25
3.16×
Q2 25
8.52×
Q1 25
2.65×
Q4 24
1.10×
Q3 24
2.17×
Q2 24
2.26×
Q1 24
1.64×

Financial Flow Comparison

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

Revenue Breakdown by Segment

MDU
MDU

Natural Gas Distribution$382.8M73%
Commercial Utility Sales$42.7M8%
Residential Utility Sales$33.7M6%
Pipelineand Midstream$31.1M6%
Natural Gas Transportation$17.2M3%
Industrial Utility Sales$10.1M2%
Natural Gas Storage$6.4M1%
Other Utility Sales$1.9M0%

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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