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Side-by-side financial comparison of CF Industries (CF) 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 $1.9B, roughly 1.4× CF Industries). CF Industries runs the higher net margin — 26.4% vs 12.5%, a 13.9% gap on every dollar of revenue. On growth, COMFORT SYSTEMS USA INC posted the faster year-over-year revenue change (41.7% vs 22.8%). COMFORT SYSTEMS USA INC produced more free cash flow last quarter ($402.4M vs $313.0M). Over the past eight quarters, COMFORT SYSTEMS USA INC's revenue compounded faster (31.2% CAGR vs 12.8%).

CF Industries Holdings, Inc. is an American manufacturer and distributor of agricultural fertilizers, including ammonia, urea, and ammonium nitrate products. The company is based in Northbrook, Illinois, a suburb of Chicago, and was founded in 1946 as the Central Farmers Fertilizer Company. For its first 56 years, it was a federation of regional agricultural supply cooperatives. CF then demutualized, and became a publicly traded company.

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.

CF vs FIX — Head-to-Head

Bigger by revenue
FIX
FIX
1.4× larger
FIX
$2.6B
$1.9B
CF
Growing faster (revenue YoY)
FIX
FIX
+18.8% gap
FIX
41.7%
22.8%
CF
Higher net margin
CF
CF
13.9% more per $
CF
26.4%
12.5%
FIX
More free cash flow
FIX
FIX
$89.5M more FCF
FIX
$402.4M
$313.0M
CF
Faster 2-yr revenue CAGR
FIX
FIX
Annualised
FIX
31.2%
12.8%
CF

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
CF
CF
FIX
FIX
Revenue
$1.9B
$2.6B
Net Profit
$495.0M
$330.8M
Gross Margin
40.9%
25.5%
Operating Margin
33.0%
16.1%
Net Margin
26.4%
12.5%
Revenue YoY
22.8%
41.7%
Net Profit YoY
26.3%
126.8%
EPS (diluted)
$2.56
$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
CF
CF
FIX
FIX
Q4 25
$1.9B
$2.6B
Q3 25
$1.7B
$2.5B
Q2 25
$1.9B
$2.2B
Q1 25
$1.7B
$1.8B
Q4 24
$1.5B
$1.9B
Q3 24
$1.4B
$1.8B
Q2 24
$1.6B
$1.8B
Q1 24
$1.5B
$1.5B
Net Profit
CF
CF
FIX
FIX
Q4 25
$495.0M
$330.8M
Q3 25
$460.0M
$291.6M
Q2 25
$492.0M
$230.8M
Q1 25
$351.0M
$169.3M
Q4 24
$392.0M
$145.9M
Q3 24
$341.0M
$146.2M
Q2 24
$506.0M
$134.0M
Q1 24
$238.0M
$96.3M
Gross Margin
CF
CF
FIX
FIX
Q4 25
40.9%
25.5%
Q3 25
38.1%
24.8%
Q2 25
39.9%
23.5%
Q1 25
34.4%
22.0%
Q4 24
34.4%
23.2%
Q3 24
32.4%
21.1%
Q2 24
43.2%
20.1%
Q1 24
27.8%
19.3%
Operating Margin
CF
CF
FIX
FIX
Q4 25
33.0%
16.1%
Q3 25
35.0%
15.5%
Q2 25
34.3%
13.8%
Q1 25
27.4%
11.4%
Q4 24
28.9%
12.1%
Q3 24
26.6%
11.2%
Q2 24
40.6%
10.2%
Q1 24
20.6%
8.8%
Net Margin
CF
CF
FIX
FIX
Q4 25
26.4%
12.5%
Q3 25
27.7%
11.9%
Q2 25
26.0%
10.6%
Q1 25
21.1%
9.2%
Q4 24
25.7%
7.8%
Q3 24
24.9%
8.1%
Q2 24
32.2%
7.4%
Q1 24
16.2%
6.3%
EPS (diluted)
CF
CF
FIX
FIX
Q4 25
$2.56
$9.35
Q3 25
$2.19
$8.25
Q2 25
$2.37
$6.53
Q1 25
$1.85
$4.75
Q4 24
$1.86
$4.08
Q3 24
$1.55
$4.09
Q2 24
$2.30
$3.74
Q1 24
$1.03
$2.69

Balance Sheet & Financial Strength

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

Metric
CF
CF
FIX
FIX
Cash + ST InvestmentsLiquidity on hand
$981.9M
Total DebtLower is stronger
$3.2B
$145.2M
Stockholders' EquityBook value
$4.8B
$2.4B
Total Assets
$14.1B
$6.4B
Debt / EquityLower = less leverage
0.66×
0.06×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CF
CF
FIX
FIX
Q4 25
$981.9M
Q3 25
$860.5M
Q2 25
$331.7M
Q1 25
$204.8M
Q4 24
$549.9M
Q3 24
$415.6M
Q2 24
$199.4M
Q1 24
$100.8M
Total Debt
CF
CF
FIX
FIX
Q4 25
$3.2B
$145.2M
Q3 25
$3.0B
$136.0M
Q2 25
$3.0B
$73.0M
Q1 25
$3.0B
$67.8M
Q4 24
$3.0B
$68.3M
Q3 24
$3.0B
$62.3M
Q2 24
$3.0B
$73.4M
Q1 24
$3.0B
$77.0M
Stockholders' Equity
CF
CF
FIX
FIX
Q4 25
$4.8B
$2.4B
Q3 25
$4.8B
$2.2B
Q2 25
$5.0B
$2.0B
Q1 25
$4.8B
$1.8B
Q4 24
$5.0B
$1.7B
Q3 24
$5.2B
$1.6B
Q2 24
$5.5B
$1.5B
Q1 24
$5.4B
$1.4B
Total Assets
CF
CF
FIX
FIX
Q4 25
$14.1B
$6.4B
Q3 25
$14.2B
$5.8B
Q2 25
$13.8B
$5.1B
Q1 25
$13.3B
$4.6B
Q4 24
$13.5B
$4.7B
Q3 24
$13.8B
$4.4B
Q2 24
$13.8B
$4.2B
Q1 24
$13.9B
$3.9B
Debt / Equity
CF
CF
FIX
FIX
Q4 25
0.66×
0.06×
Q3 25
0.61×
0.06×
Q2 25
0.60×
0.04×
Q1 25
0.62×
0.04×
Q4 24
0.60×
0.04×
Q3 24
0.57×
0.04×
Q2 24
0.54×
0.05×
Q1 24
0.55×
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
CF
CF
FIX
FIX
Operating Cash FlowLast quarter
$539.0M
$468.5M
Free Cash FlowOCF − Capex
$313.0M
$402.4M
FCF MarginFCF / Revenue
16.7%
15.2%
Capex IntensityCapex / Revenue
12.1%
2.5%
Cash ConversionOCF / Net Profit
1.09×
1.42×
TTM Free Cash FlowTrailing 4 quarters
$1.8B
$1.0B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CF
CF
FIX
FIX
Q4 25
$539.0M
$468.5M
Q3 25
$1.1B
$553.3M
Q2 25
$563.0M
$252.5M
Q1 25
$586.0M
$-88.0M
Q4 24
$420.0M
$210.5M
Q3 24
$931.0M
$302.2M
Q2 24
$475.0M
$189.9M
Q1 24
$445.0M
$146.6M
Free Cash Flow
CF
CF
FIX
FIX
Q4 25
$313.0M
$402.4M
Q3 25
$717.0M
$517.9M
Q2 25
$318.0M
$221.2M
Q1 25
$454.0M
$-110.2M
Q4 24
$223.0M
$169.8M
Q3 24
$792.0M
$280.1M
Q2 24
$391.0M
$166.5M
Q1 24
$347.0M
$121.6M
FCF Margin
CF
CF
FIX
FIX
Q4 25
16.7%
15.2%
Q3 25
43.2%
21.1%
Q2 25
16.8%
10.2%
Q1 25
27.3%
-6.0%
Q4 24
14.6%
9.1%
Q3 24
57.8%
15.5%
Q2 24
24.9%
9.2%
Q1 24
23.6%
7.9%
Capex Intensity
CF
CF
FIX
FIX
Q4 25
12.1%
2.5%
Q3 25
20.9%
1.4%
Q2 25
13.0%
1.4%
Q1 25
7.9%
1.2%
Q4 24
12.9%
2.2%
Q3 24
10.1%
1.2%
Q2 24
5.3%
1.3%
Q1 24
6.7%
1.6%
Cash Conversion
CF
CF
FIX
FIX
Q4 25
1.09×
1.42×
Q3 25
2.31×
1.90×
Q2 25
1.14×
1.09×
Q1 25
1.67×
-0.52×
Q4 24
1.07×
1.44×
Q3 24
2.73×
2.07×
Q2 24
0.94×
1.42×
Q1 24
1.87×
1.52×

Financial Flow Comparison

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

Revenue Breakdown by Segment

CF
CF

Ammonia$591.0M32%
UAN$493.0M26%
Urea$372.0M20%
Other$244.0M13%
Other Products$147.0M8%
Ammonium Nitrate Segment$25.0M1%

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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