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

CMS Energy is the larger business by last-quarter revenue ($2.1B vs $1.4B, roughly 1.6× Martin Marietta Materials). Martin Marietta Materials runs the higher net margin — 111.1% vs 13.5%, a 97.5% gap on every dollar of revenue. On growth, Martin Marietta Materials posted the faster year-over-year revenue change (17.0% vs 13.0%). Over the past eight quarters, CMS Energy's revenue compounded faster (-0.2% CAGR vs -12.1%).

CMS Energy Corporation is an American energy company based in Jackson, Michigan, that is focused principally on utility operations in Michigan. Its principal business is Consumers Energy, a public utility that provides electricity and natural gas to more than 6 million of Michigan's 10 million residents. Its non-utility businesses are focused primarily on domestic independent power production. Consumers Energy has operated since 1886.

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.

CMS vs MLM — Head-to-Head

Bigger by revenue
CMS
CMS
1.6× larger
CMS
$2.1B
$1.4B
MLM
Growing faster (revenue YoY)
MLM
MLM
+4.0% gap
MLM
17.0%
13.0%
CMS
Higher net margin
MLM
MLM
97.5% more per $
MLM
111.1%
13.5%
CMS
Faster 2-yr revenue CAGR
CMS
CMS
Annualised
CMS
-0.2%
-12.1%
MLM

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
CMS
CMS
MLM
MLM
Revenue
$2.1B
$1.4B
Net Profit
$289.0M
$1.5B
Gross Margin
22.8%
Operating Margin
20.4%
11.9%
Net Margin
13.5%
111.1%
Revenue YoY
13.0%
17.0%
Net Profit YoY
9.1%
EPS (diluted)
$0.94

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
CMS
CMS
MLM
MLM
Q1 26
$1.4B
Q4 25
$2.1B
$1.1B
Q3 25
$2.0B
$1.8B
Q2 25
$1.8B
$1.8B
Q1 25
$2.4B
$1.4B
Q4 24
$1.9B
$1.6B
Q3 24
$1.7B
$1.9B
Q2 24
$1.6B
$1.8B
Net Profit
CMS
CMS
MLM
MLM
Q1 26
$1.5B
Q4 25
$289.0M
$279.0M
Q3 25
$277.0M
$414.0M
Q2 25
$201.0M
$328.0M
Q1 25
$304.0M
$116.0M
Q4 24
$265.0M
$293.0M
Q3 24
$253.0M
$363.0M
Q2 24
$198.0M
$294.0M
Gross Margin
CMS
CMS
MLM
MLM
Q1 26
22.8%
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%
Operating Margin
CMS
CMS
MLM
MLM
Q1 26
11.9%
Q4 25
20.4%
24.6%
Q3 25
24.4%
27.4%
Q2 25
17.6%
25.3%
Q1 25
20.6%
14.3%
Q4 24
22.5%
24.4%
Q3 24
21.4%
25.9%
Q2 24
18.0%
22.6%
Net Margin
CMS
CMS
MLM
MLM
Q1 26
111.1%
Q4 25
13.5%
24.5%
Q3 25
14.0%
22.4%
Q2 25
11.2%
18.1%
Q1 25
12.7%
8.6%
Q4 24
14.0%
18.0%
Q3 24
14.8%
19.2%
Q2 24
12.6%
16.7%
EPS (diluted)
CMS
CMS
MLM
MLM
Q1 26
Q4 25
$0.94
$4.59
Q3 25
$0.92
$6.85
Q2 25
$0.66
$5.43
Q1 25
$1.01
$1.90
Q4 24
$0.88
$4.87
Q3 24
$0.84
$5.91
Q2 24
$0.65
$4.76

Balance Sheet & Financial Strength

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

Metric
CMS
CMS
MLM
MLM
Cash + ST InvestmentsLiquidity on hand
$509.0M
$273.0M
Total DebtLower is stronger
$0
Stockholders' EquityBook value
$9.1B
$11.3B
Total Assets
$39.9B
$20.5B
Debt / EquityLower = less leverage
0.00×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CMS
CMS
MLM
MLM
Q1 26
$273.0M
Q4 25
$509.0M
$67.0M
Q3 25
$362.0M
$57.0M
Q2 25
$844.0M
$225.0M
Q1 25
$465.0M
$101.0M
Q4 24
$103.0M
$670.0M
Q3 24
$412.0M
$52.0M
Q2 24
$699.0M
$109.0M
Total Debt
CMS
CMS
MLM
MLM
Q1 26
$0
Q4 25
$5.3B
Q3 25
$5.5B
Q2 25
$5.4B
Q1 25
$5.4B
Q4 24
$5.4B
Q3 24
$4.0B
Q2 24
$4.3B
Stockholders' Equity
CMS
CMS
MLM
MLM
Q1 26
$11.3B
Q4 25
$9.1B
$10.0B
Q3 25
$8.9B
$9.7B
Q2 25
$8.4B
$9.4B
Q1 25
$8.3B
$9.1B
Q4 24
$8.2B
$9.5B
Q3 24
$8.1B
$9.2B
Q2 24
$8.0B
$8.8B
Total Assets
CMS
CMS
MLM
MLM
Q1 26
$20.5B
Q4 25
$39.9B
$18.7B
Q3 25
$38.0B
$18.7B
Q2 25
$37.7B
$18.1B
Q1 25
$36.3B
$17.7B
Q4 24
$35.9B
$18.2B
Q3 24
$34.8B
$16.5B
Q2 24
$34.4B
$16.3B
Debt / Equity
CMS
CMS
MLM
MLM
Q1 26
0.00×
Q4 25
0.53×
Q3 25
0.57×
Q2 25
0.58×
Q1 25
0.60×
Q4 24
0.57×
Q3 24
0.44×
Q2 24
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
CMS
CMS
MLM
MLM
Operating Cash FlowLast quarter
$478.0M
$227.0M
Free Cash FlowOCF − Capex
FCF MarginFCF / Revenue
Capex IntensityCapex / Revenue
40.4%
Cash ConversionOCF / Net Profit
1.65×
0.15×
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CMS
CMS
MLM
MLM
Q1 26
$227.0M
Q4 25
$478.0M
$629.0M
Q3 25
$343.0M
$551.0M
Q2 25
$414.0M
$387.0M
Q1 25
$1.0B
$218.0M
Q4 24
$403.0M
$686.0M
Q3 24
$304.0M
$600.0M
Q2 24
$707.0M
$1.0M
Free Cash Flow
CMS
CMS
MLM
MLM
Q1 26
Q4 25
$424.0M
Q3 25
$-635.0M
$361.0M
Q2 25
$-470.0M
$208.0M
Q1 25
$112.0M
$-15.0M
Q4 24
$453.0M
Q3 24
$-502.0M
$317.0M
Q2 24
$26.0M
$-138.0M
FCF Margin
CMS
CMS
MLM
MLM
Q1 26
Q4 25
37.2%
Q3 25
-32.2%
19.6%
Q2 25
-26.1%
11.5%
Q1 25
4.7%
-1.1%
Q4 24
27.8%
Q3 24
-29.3%
16.8%
Q2 24
1.6%
-7.8%
Capex Intensity
CMS
CMS
MLM
MLM
Q1 26
40.4%
Q4 25
18.0%
Q3 25
49.5%
10.3%
Q2 25
49.2%
9.9%
Q1 25
37.0%
17.2%
Q4 24
14.3%
Q3 24
47.1%
15.0%
Q2 24
43.2%
7.9%
Cash Conversion
CMS
CMS
MLM
MLM
Q1 26
0.15×
Q4 25
1.65×
2.25×
Q3 25
1.24×
1.33×
Q2 25
2.06×
1.18×
Q1 25
3.29×
1.88×
Q4 24
1.52×
2.34×
Q3 24
1.20×
1.65×
Q2 24
3.57×
0.00×

Financial Flow Comparison

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

Revenue Breakdown by Segment

CMS
CMS

Electric Utility$1.3B59%
Gas Utility$803.0M38%
North Star Clean Energy$77.0M4%

MLM
MLM

Segment breakdown not available.

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