vs

Side-by-side financial comparison of MDU RESOURCES GROUP INC (MDU) and Martin Marietta Materials (MLM). Click either name above to swap in a different company.

Martin Marietta Materials is the larger business by last-quarter revenue ($1.1B vs $522.6M, roughly 2.2× MDU RESOURCES GROUP INC). Martin Marietta Materials runs the higher net margin — 24.5% vs 14.6%, a 9.9% gap on every dollar of revenue. On growth, MDU RESOURCES GROUP INC posted the faster year-over-year revenue change (-1.6% vs -30.1%). Martin Marietta Materials produced more free cash flow last quarter ($424.0M vs $-336.0M). Over the past eight quarters, Martin Marietta Materials's revenue compounded faster (-4.5% CAGR vs -5.7%).

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.

Martin Marietta Materials, Inc. is an American company and a supplier of aggregates and heavy building materials, with operations spanning 26 states, Canada, and the Caribbean. In particular, Martin Marietta Materials supplies resources for the construction of roads, sidewalks, and foundations.

MDU vs MLM — Head-to-Head

Bigger by revenue
MLM
MLM
2.2× larger
MLM
$1.1B
$522.6M
MDU
Growing faster (revenue YoY)
MDU
MDU
+28.6% gap
MDU
-1.6%
-30.1%
MLM
Higher net margin
MLM
MLM
9.9% more per $
MLM
24.5%
14.6%
MDU
More free cash flow
MLM
MLM
$760.0M more FCF
MLM
$424.0M
$-336.0M
MDU
Faster 2-yr revenue CAGR
MLM
MLM
Annualised
MLM
-4.5%
-5.7%
MDU

Income Statement — Q4 2025 vs Q4 2025

Metric
MDU
MDU
MLM
MLM
Revenue
$522.6M
$1.1B
Net Profit
$76.3M
$279.0M
Gross Margin
35.0%
Operating Margin
20.5%
24.6%
Net Margin
14.6%
24.5%
Revenue YoY
-1.6%
-30.1%
Net Profit YoY
38.4%
-4.8%
EPS (diluted)
$0.37
$4.59

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
MLM
MLM
Q4 25
$522.6M
$1.1B
Q3 25
$313.6M
$1.8B
Q2 25
$348.7M
$1.8B
Q1 25
$678.0M
$1.4B
Q4 24
$531.0M
$1.6B
Q3 24
$290.7M
$1.9B
Q2 24
$343.1M
$1.8B
Q1 24
$588.2M
$1.3B
Net Profit
MDU
MDU
MLM
MLM
Q4 25
$76.3M
$279.0M
Q3 25
$18.3M
$414.0M
Q2 25
$13.8M
$328.0M
Q1 25
$82.0M
$116.0M
Q4 24
$55.2M
$293.0M
Q3 24
$64.6M
$363.0M
Q2 24
$60.4M
$294.0M
Q1 24
$100.9M
$1.0B
Gross Margin
MDU
MDU
MLM
MLM
Q4 25
35.0%
Q3 25
33.1%
Q2 25
30.0%
Q1 25
24.8%
Q4 24
30.0%
Q3 24
31.7%
Q2 24
29.3%
Q1 24
21.7%
Operating Margin
MDU
MDU
MLM
MLM
Q4 25
20.5%
24.6%
Q3 25
12.7%
27.4%
Q2 25
8.7%
25.3%
Q1 25
16.6%
14.3%
Q4 24
17.8%
24.4%
Q3 24
12.0%
25.9%
Q2 24
11.5%
22.6%
Q1 24
16.4%
Net Margin
MDU
MDU
MLM
MLM
Q4 25
14.6%
24.5%
Q3 25
5.8%
22.4%
Q2 25
4.0%
18.1%
Q1 25
12.1%
8.6%
Q4 24
10.4%
18.0%
Q3 24
22.2%
19.2%
Q2 24
17.6%
16.7%
Q1 24
17.2%
83.5%
EPS (diluted)
MDU
MDU
MLM
MLM
Q4 25
$0.37
$4.59
Q3 25
$0.09
$6.85
Q2 25
$0.07
$5.43
Q1 25
$0.40
$1.90
Q4 24
$0.26
$4.87
Q3 24
$0.32
$5.91
Q2 24
$0.30
$4.76
Q1 24
$0.49
$16.87

Balance Sheet & Financial Strength

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

Metric
MDU
MDU
MLM
MLM
Cash + ST InvestmentsLiquidity on hand
$28.2M
$67.0M
Total DebtLower is stronger
$2.7B
$5.3B
Stockholders' EquityBook value
$2.8B
$10.0B
Total Assets
$7.6B
$18.7B
Debt / EquityLower = less leverage
0.97×
0.53×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
MDU
MDU
MLM
MLM
Q4 25
$28.2M
$67.0M
Q3 25
$75.9M
$57.0M
Q2 25
$58.8M
$225.0M
Q1 25
$59.5M
$101.0M
Q4 24
$66.9M
$670.0M
Q3 24
$88.3M
$52.0M
Q2 24
$78.8M
$109.0M
Q1 24
$72.7M
$2.6B
Total Debt
MDU
MDU
MLM
MLM
Q4 25
$2.7B
$5.3B
Q3 25
$2.4B
$5.5B
Q2 25
$2.2B
$5.4B
Q1 25
$2.2B
$5.4B
Q4 24
$2.3B
$5.4B
Q3 24
$2.3B
$4.0B
Q2 24
$2.3B
$4.3B
Q1 24
$2.3B
$4.3B
Stockholders' Equity
MDU
MDU
MLM
MLM
Q4 25
$2.8B
$10.0B
Q3 25
$2.7B
$9.7B
Q2 25
$2.7B
$9.4B
Q1 25
$2.7B
$9.1B
Q4 24
$2.7B
$9.5B
Q3 24
$3.1B
$9.2B
Q2 24
$3.0B
$8.8B
Q1 24
$3.0B
$8.9B
Total Assets
MDU
MDU
MLM
MLM
Q4 25
$7.6B
$18.7B
Q3 25
$7.2B
$18.7B
Q2 25
$6.9B
$18.1B
Q1 25
$7.0B
$17.7B
Q4 24
$7.0B
$18.2B
Q3 24
$8.2B
$16.5B
Q2 24
$8.0B
$16.3B
Q1 24
$7.8B
$16.2B
Debt / Equity
MDU
MDU
MLM
MLM
Q4 25
0.97×
0.53×
Q3 25
0.86×
0.57×
Q2 25
0.80×
0.58×
Q1 25
0.80×
0.60×
Q4 24
0.85×
0.57×
Q3 24
0.76×
0.44×
Q2 24
0.75×
0.49×
Q1 24
0.76×
0.49×

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
MLM
MLM
Operating Cash FlowLast quarter
$80.6M
$629.0M
Free Cash FlowOCF − Capex
$-336.0M
$424.0M
FCF MarginFCF / Revenue
-64.3%
37.2%
Capex IntensityCapex / Revenue
79.7%
18.0%
Cash ConversionOCF / Net Profit
1.06×
2.25×
TTM Free Cash FlowTrailing 4 quarters
$-297.0M
$978.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
MDU
MDU
MLM
MLM
Q4 25
$80.6M
$629.0M
Q3 25
$57.9M
$551.0M
Q2 25
$117.4M
$387.0M
Q1 25
$217.5M
$218.0M
Q4 24
$60.5M
$686.0M
Q3 24
$140.2M
$600.0M
Q2 24
$136.5M
$1.0M
Q1 24
$165.1M
$172.0M
Free Cash Flow
MDU
MDU
MLM
MLM
Q4 25
$-336.0M
$424.0M
Q3 25
$-121.9M
$361.0M
Q2 25
$36.5M
$208.0M
Q1 25
$124.4M
$-15.0M
Q4 24
$-95.8M
$453.0M
Q3 24
$673.0K
$317.0M
Q2 24
$26.5M
$-138.0M
Q1 24
$48.1M
$-28.0M
FCF Margin
MDU
MDU
MLM
MLM
Q4 25
-64.3%
37.2%
Q3 25
-38.9%
19.6%
Q2 25
10.5%
11.5%
Q1 25
18.4%
-1.1%
Q4 24
-18.0%
27.8%
Q3 24
0.2%
16.8%
Q2 24
7.7%
-7.8%
Q1 24
8.2%
-2.2%
Capex Intensity
MDU
MDU
MLM
MLM
Q4 25
79.7%
18.0%
Q3 25
57.3%
10.3%
Q2 25
23.2%
9.9%
Q1 25
13.7%
17.2%
Q4 24
29.4%
14.3%
Q3 24
48.0%
15.0%
Q2 24
32.0%
7.9%
Q1 24
19.9%
16.0%
Cash Conversion
MDU
MDU
MLM
MLM
Q4 25
1.06×
2.25×
Q3 25
3.16×
1.33×
Q2 25
8.52×
1.18×
Q1 25
2.65×
1.88×
Q4 24
1.10×
2.34×
Q3 24
2.17×
1.65×
Q2 24
2.26×
0.00×
Q1 24
1.64×
0.16×

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%

MLM
MLM

Building Materials Business East Group$774.0M68%
Building Materials Business West Group$233.0M20%
Services$88.0M8%
Other$45.0M4%

Related Comparisons