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Side-by-side financial comparison of COMFORT SYSTEMS USA INC (FIX) and KeyCorp (KEY). 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 $2.0B, roughly 1.3× KeyCorp). KeyCorp runs the higher net margin — 25.4% vs 12.5%, a 12.9% gap on every dollar of revenue. On growth, KeyCorp posted the faster year-over-year revenue change (131.8% vs 41.7%). KeyCorp produced more free cash flow last quarter ($2.1B vs $402.4M). Over the past eight quarters, COMFORT SYSTEMS USA INC's revenue compounded faster (31.2% CAGR vs 14.4%).

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.

Key is a Japanese visual novel studio known for making dramatic and plot-oriented titles. It was formed on July 21, 1998, as a brand under the publisher Visual Arts, and is located in Kita, Osaka.

FIX vs KEY — Head-to-Head

Bigger by revenue
FIX
FIX
1.3× larger
FIX
$2.6B
$2.0B
KEY
Growing faster (revenue YoY)
KEY
KEY
+90.1% gap
KEY
131.8%
41.7%
FIX
Higher net margin
KEY
KEY
12.9% more per $
KEY
25.4%
12.5%
FIX
More free cash flow
KEY
KEY
$1.7B more FCF
KEY
$2.1B
$402.4M
FIX
Faster 2-yr revenue CAGR
FIX
FIX
Annualised
FIX
31.2%
14.4%
KEY

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
FIX
FIX
KEY
KEY
Revenue
$2.6B
$2.0B
Net Profit
$330.8M
$510.0M
Gross Margin
25.5%
Operating Margin
16.1%
32.3%
Net Margin
12.5%
25.4%
Revenue YoY
41.7%
131.8%
Net Profit YoY
126.8%
309.0%
EPS (diluted)
$9.35
$0.43

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
FIX
FIX
KEY
KEY
Q4 25
$2.6B
$2.0B
Q3 25
$2.5B
$1.9B
Q2 25
$2.2B
$1.8B
Q1 25
$1.8B
$1.8B
Q4 24
$1.9B
$865.0M
Q3 24
$1.8B
$695.0M
Q2 24
$1.8B
$1.5B
Q1 24
$1.5B
$1.5B
Net Profit
FIX
FIX
KEY
KEY
Q4 25
$330.8M
$510.0M
Q3 25
$291.6M
$489.0M
Q2 25
$230.8M
$425.0M
Q1 25
$169.3M
$405.0M
Q4 24
$145.9M
$-244.0M
Q3 24
$146.2M
$-410.0M
Q2 24
$134.0M
$274.0M
Q1 24
$96.3M
$219.0M
Gross Margin
FIX
FIX
KEY
KEY
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
FIX
FIX
KEY
KEY
Q4 25
16.1%
32.3%
Q3 25
15.5%
31.8%
Q2 25
13.8%
29.3%
Q1 25
11.4%
29.0%
Q4 24
12.1%
-92.6%
Q3 24
11.2%
-72.8%
Q2 24
10.2%
22.0%
Q1 24
8.8%
18.1%
Net Margin
FIX
FIX
KEY
KEY
Q4 25
12.5%
25.4%
Q3 25
11.9%
25.8%
Q2 25
10.6%
23.1%
Q1 25
9.2%
22.8%
Q4 24
7.8%
-54.7%
Q3 24
8.1%
-59.0%
Q2 24
7.4%
18.0%
Q1 24
6.3%
14.3%
EPS (diluted)
FIX
FIX
KEY
KEY
Q4 25
$9.35
$0.43
Q3 25
$8.25
$0.41
Q2 25
$6.53
$0.35
Q1 25
$4.75
$0.33
Q4 24
$4.08
$-0.30
Q3 24
$4.09
$-0.47
Q2 24
$3.74
$0.25
Q1 24
$2.69
$0.20

Balance Sheet & Financial Strength

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

Metric
FIX
FIX
KEY
KEY
Cash + ST InvestmentsLiquidity on hand
$981.9M
$10.2B
Total DebtLower is stronger
$145.2M
$9.9B
Stockholders' EquityBook value
$2.4B
$20.4B
Total Assets
$6.4B
$184.4B
Debt / EquityLower = less leverage
0.06×
0.49×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
FIX
FIX
KEY
KEY
Q4 25
$981.9M
$10.2B
Q3 25
$860.5M
$13.3B
Q2 25
$331.7M
$11.6B
Q1 25
$204.8M
$15.3B
Q4 24
$549.9M
$17.5B
Q3 24
$415.6M
$22.8B
Q2 24
$199.4M
$15.5B
Q1 24
$100.8M
$13.2B
Total Debt
FIX
FIX
KEY
KEY
Q4 25
$145.2M
$9.9B
Q3 25
$136.0M
$10.9B
Q2 25
$73.0M
$12.1B
Q1 25
$67.8M
$12.4B
Q4 24
$68.3M
$12.1B
Q3 24
$62.3M
$15.7B
Q2 24
$73.4M
$16.9B
Q1 24
$77.0M
$20.8B
Stockholders' Equity
FIX
FIX
KEY
KEY
Q4 25
$2.4B
$20.4B
Q3 25
$2.2B
$20.1B
Q2 25
$2.0B
$19.5B
Q1 25
$1.8B
$19.0B
Q4 24
$1.7B
$18.2B
Q3 24
$1.6B
$16.9B
Q2 24
$1.5B
$14.8B
Q1 24
$1.4B
$14.5B
Total Assets
FIX
FIX
KEY
KEY
Q4 25
$6.4B
$184.4B
Q3 25
$5.8B
$187.4B
Q2 25
$5.1B
$185.5B
Q1 25
$4.6B
$188.7B
Q4 24
$4.7B
$187.2B
Q3 24
$4.4B
$189.8B
Q2 24
$4.2B
$187.4B
Q1 24
$3.9B
$187.5B
Debt / Equity
FIX
FIX
KEY
KEY
Q4 25
0.06×
0.49×
Q3 25
0.06×
0.54×
Q2 25
0.04×
0.62×
Q1 25
0.04×
0.65×
Q4 24
0.04×
0.67×
Q3 24
0.04×
0.93×
Q2 24
0.05×
1.14×
Q1 24
0.06×
1.43×

Cash Flow & Capital Efficiency

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

Metric
FIX
FIX
KEY
KEY
Operating Cash FlowLast quarter
$468.5M
$2.2B
Free Cash FlowOCF − Capex
$402.4M
$2.1B
FCF MarginFCF / Revenue
15.2%
104.8%
Capex IntensityCapex / Revenue
2.5%
5.3%
Cash ConversionOCF / Net Profit
1.42×
4.33×
TTM Free Cash FlowTrailing 4 quarters
$1.0B
$3.5B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
FIX
FIX
KEY
KEY
Q4 25
$468.5M
$2.2B
Q3 25
$553.3M
$396.0M
Q2 25
$252.5M
$1.2B
Q1 25
$-88.0M
$-140.0M
Q4 24
$210.5M
$664.0M
Q3 24
$302.2M
$-1.2B
Q2 24
$189.9M
$-217.0M
Q1 24
$146.6M
$359.0M
Free Cash Flow
FIX
FIX
KEY
KEY
Q4 25
$402.4M
$2.1B
Q3 25
$517.9M
$367.0M
Q2 25
$221.2M
$1.2B
Q1 25
$-110.2M
$-150.0M
Q4 24
$169.8M
$599.0M
Q3 24
$280.1M
$-1.2B
Q2 24
$166.5M
$-230.0M
Q1 24
$121.6M
$347.0M
FCF Margin
FIX
FIX
KEY
KEY
Q4 25
15.2%
104.8%
Q3 25
21.1%
19.4%
Q2 25
10.2%
65.8%
Q1 25
-6.0%
-8.5%
Q4 24
9.1%
69.2%
Q3 24
15.5%
-175.8%
Q2 24
9.2%
-15.1%
Q1 24
7.9%
22.6%
Capex Intensity
FIX
FIX
KEY
KEY
Q4 25
2.5%
5.3%
Q3 25
1.4%
1.5%
Q2 25
1.4%
1.3%
Q1 25
1.2%
0.6%
Q4 24
2.2%
7.5%
Q3 24
1.2%
2.4%
Q2 24
1.3%
0.9%
Q1 24
1.6%
0.8%
Cash Conversion
FIX
FIX
KEY
KEY
Q4 25
1.42×
4.33×
Q3 25
1.90×
0.81×
Q2 25
1.09×
2.90×
Q1 25
-0.52×
-0.35×
Q4 24
1.44×
Q3 24
2.07×
Q2 24
1.42×
-0.79×
Q1 24
1.52×
1.64×

Financial Flow Comparison

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

Revenue Breakdown by Segment

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%

KEY
KEY

Segment breakdown not available.

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