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Side-by-side financial comparison of CMS Energy (CMS) and COMFORT SYSTEMS USA INC (FIX). Click either name above to swap in a different company.

COMFORT SYSTEMS USA INC is the larger business by last-quarter revenue ($2.6B vs $2.1B, roughly 1.2× CMS Energy). CMS Energy runs the higher net margin — 13.5% vs 12.5%, a 1.0% gap on every dollar of revenue. On growth, COMFORT SYSTEMS USA INC posted the faster year-over-year revenue change (41.7% vs 13.0%). Over the past eight quarters, COMFORT SYSTEMS USA INC's revenue compounded faster (31.2% CAGR vs -0.2%).

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.

Comfort Systems USA, Inc. is an American company that provides mechanical and electrical contracting services, primarily HVAC, plumbing, piping and controls, off-site construction, monitoring and fire protection, and installation and servicing of electrical systems.

CMS vs FIX — Head-to-Head

Bigger by revenue
FIX
FIX
1.2× larger
FIX
$2.6B
$2.1B
CMS
Growing faster (revenue YoY)
FIX
FIX
+28.7% gap
FIX
41.7%
13.0%
CMS
Higher net margin
CMS
CMS
1.0% more per $
CMS
13.5%
12.5%
FIX
Faster 2-yr revenue CAGR
FIX
FIX
Annualised
FIX
31.2%
-0.2%
CMS

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
CMS
CMS
FIX
FIX
Revenue
$2.1B
$2.6B
Net Profit
$289.0M
$330.8M
Gross Margin
25.5%
Operating Margin
20.4%
16.1%
Net Margin
13.5%
12.5%
Revenue YoY
13.0%
41.7%
Net Profit YoY
9.1%
126.8%
EPS (diluted)
$0.94
$9.35

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
FIX
FIX
Q4 25
$2.1B
$2.6B
Q3 25
$2.0B
$2.5B
Q2 25
$1.8B
$2.2B
Q1 25
$2.4B
$1.8B
Q4 24
$1.9B
$1.9B
Q3 24
$1.7B
$1.8B
Q2 24
$1.6B
$1.8B
Q1 24
$2.1B
$1.5B
Net Profit
CMS
CMS
FIX
FIX
Q4 25
$289.0M
$330.8M
Q3 25
$277.0M
$291.6M
Q2 25
$201.0M
$230.8M
Q1 25
$304.0M
$169.3M
Q4 24
$265.0M
$145.9M
Q3 24
$253.0M
$146.2M
Q2 24
$198.0M
$134.0M
Q1 24
$287.0M
$96.3M
Gross Margin
CMS
CMS
FIX
FIX
Q4 25
25.5%
Q3 25
24.8%
Q2 25
23.5%
Q1 25
22.0%
Q4 24
23.2%
Q3 24
21.1%
Q2 24
20.1%
Q1 24
19.3%
Operating Margin
CMS
CMS
FIX
FIX
Q4 25
20.4%
16.1%
Q3 25
24.4%
15.5%
Q2 25
17.6%
13.8%
Q1 25
20.6%
11.4%
Q4 24
22.5%
12.1%
Q3 24
21.4%
11.2%
Q2 24
18.0%
10.2%
Q1 24
19.2%
8.8%
Net Margin
CMS
CMS
FIX
FIX
Q4 25
13.5%
12.5%
Q3 25
14.0%
11.9%
Q2 25
11.2%
10.6%
Q1 25
12.7%
9.2%
Q4 24
14.0%
7.8%
Q3 24
14.8%
8.1%
Q2 24
12.6%
7.4%
Q1 24
13.4%
6.3%
EPS (diluted)
CMS
CMS
FIX
FIX
Q4 25
$0.94
$9.35
Q3 25
$0.92
$8.25
Q2 25
$0.66
$6.53
Q1 25
$1.01
$4.75
Q4 24
$0.88
$4.08
Q3 24
$0.84
$4.09
Q2 24
$0.65
$3.74
Q1 24
$0.96
$2.69

Balance Sheet & Financial Strength

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

Metric
CMS
CMS
FIX
FIX
Cash + ST InvestmentsLiquidity on hand
$509.0M
$981.9M
Total DebtLower is stronger
$145.2M
Stockholders' EquityBook value
$9.1B
$2.4B
Total Assets
$39.9B
$6.4B
Debt / EquityLower = less leverage
0.06×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CMS
CMS
FIX
FIX
Q4 25
$509.0M
$981.9M
Q3 25
$362.0M
$860.5M
Q2 25
$844.0M
$331.7M
Q1 25
$465.0M
$204.8M
Q4 24
$103.0M
$549.9M
Q3 24
$412.0M
$415.6M
Q2 24
$699.0M
$199.4M
Q1 24
$802.0M
$100.8M
Total Debt
CMS
CMS
FIX
FIX
Q4 25
$145.2M
Q3 25
$136.0M
Q2 25
$73.0M
Q1 25
$67.8M
Q4 24
$68.3M
Q3 24
$62.3M
Q2 24
$73.4M
Q1 24
$77.0M
Stockholders' Equity
CMS
CMS
FIX
FIX
Q4 25
$9.1B
$2.4B
Q3 25
$8.9B
$2.2B
Q2 25
$8.4B
$2.0B
Q1 25
$8.3B
$1.8B
Q4 24
$8.2B
$1.7B
Q3 24
$8.1B
$1.6B
Q2 24
$8.0B
$1.5B
Q1 24
$7.9B
$1.4B
Total Assets
CMS
CMS
FIX
FIX
Q4 25
$39.9B
$6.4B
Q3 25
$38.0B
$5.8B
Q2 25
$37.7B
$5.1B
Q1 25
$36.3B
$4.6B
Q4 24
$35.9B
$4.7B
Q3 24
$34.8B
$4.4B
Q2 24
$34.4B
$4.2B
Q1 24
$33.9B
$3.9B
Debt / Equity
CMS
CMS
FIX
FIX
Q4 25
0.06×
Q3 25
0.06×
Q2 25
0.04×
Q1 25
0.04×
Q4 24
0.04×
Q3 24
0.04×
Q2 24
0.05×
Q1 24
0.06×

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
FIX
FIX
Operating Cash FlowLast quarter
$478.0M
$468.5M
Free Cash FlowOCF − Capex
$402.4M
FCF MarginFCF / Revenue
15.2%
Capex IntensityCapex / Revenue
2.5%
Cash ConversionOCF / Net Profit
1.65×
1.42×
TTM Free Cash FlowTrailing 4 quarters
$1.0B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CMS
CMS
FIX
FIX
Q4 25
$478.0M
$468.5M
Q3 25
$343.0M
$553.3M
Q2 25
$414.0M
$252.5M
Q1 25
$1.0B
$-88.0M
Q4 24
$403.0M
$210.5M
Q3 24
$304.0M
$302.2M
Q2 24
$707.0M
$189.9M
Q1 24
$956.0M
$146.6M
Free Cash Flow
CMS
CMS
FIX
FIX
Q4 25
$402.4M
Q3 25
$-635.0M
$517.9M
Q2 25
$-470.0M
$221.2M
Q1 25
$112.0M
$-110.2M
Q4 24
$169.8M
Q3 24
$-502.0M
$280.1M
Q2 24
$26.0M
$166.5M
Q1 24
$343.0M
$121.6M
FCF Margin
CMS
CMS
FIX
FIX
Q4 25
15.2%
Q3 25
-32.2%
21.1%
Q2 25
-26.1%
10.2%
Q1 25
4.7%
-6.0%
Q4 24
9.1%
Q3 24
-29.3%
15.5%
Q2 24
1.6%
9.2%
Q1 24
16.0%
7.9%
Capex Intensity
CMS
CMS
FIX
FIX
Q4 25
2.5%
Q3 25
49.5%
1.4%
Q2 25
49.2%
1.4%
Q1 25
37.0%
1.2%
Q4 24
2.2%
Q3 24
47.1%
1.2%
Q2 24
43.2%
1.3%
Q1 24
28.6%
1.6%
Cash Conversion
CMS
CMS
FIX
FIX
Q4 25
1.65×
1.42×
Q3 25
1.24×
1.90×
Q2 25
2.06×
1.09×
Q1 25
3.29×
-0.52×
Q4 24
1.52×
1.44×
Q3 24
1.20×
2.07×
Q2 24
3.57×
1.42×
Q1 24
3.33×
1.52×

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%

FIX
FIX

Electrical Segment$823.7M31%
Manufacturing Customer$542.7M21%
Existing Building Construction$491.4M19%
Healthcare Sector Customer$220.8M8%
Service Projects$153.0M6%
Education$137.5M5%
Government Customer$131.0M5%
Office Building Customer$88.2M3%
Other Customer$40.7M2%
Multi Family And Residential$33.7M1%

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