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Side-by-side financial comparison of COMFORT SYSTEMS USA INC (FIX) and 3M (MMM). Click either name above to swap in a different company.

3M is the larger business by last-quarter revenue ($6.0B vs $2.6B, roughly 2.3× COMFORT SYSTEMS USA INC). COMFORT SYSTEMS USA INC runs the higher net margin — 12.5% vs 10.8%, a 1.7% gap on every dollar of revenue. On growth, COMFORT SYSTEMS USA INC posted the faster year-over-year revenue change (41.7% vs 1.3%). 3M produced more free cash flow last quarter ($2.0B vs $402.4M). Over the past eight quarters, COMFORT SYSTEMS USA INC's revenue compounded faster (31.2% CAGR vs -1.8%).

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.

The 3M Company is an American multinational conglomerate operating in the fields of industry, worker safety, and consumer goods. Based in the Saint Paul suburb of Maplewood, the company produces over 60,000 products, including adhesives, abrasives, laminates, passive fire protection, personal protective equipment, window films, paint protection film, electrical, electronic connecting, insulating materials, car-care products, electronic circuits, and optical films. Among its best-known consume...

FIX vs MMM — Head-to-Head

Bigger by revenue
MMM
MMM
2.3× larger
MMM
$6.0B
$2.6B
FIX
Growing faster (revenue YoY)
FIX
FIX
+40.4% gap
FIX
41.7%
1.3%
MMM
Higher net margin
FIX
FIX
1.7% more per $
FIX
12.5%
10.8%
MMM
More free cash flow
MMM
MMM
$1.6B more FCF
MMM
$2.0B
$402.4M
FIX
Faster 2-yr revenue CAGR
FIX
FIX
Annualised
FIX
31.2%
-1.8%
MMM

Income Statement — Q4 2025 vs Q1 2026

Metric
FIX
FIX
MMM
MMM
Revenue
$2.6B
$6.0B
Net Profit
$330.8M
$653.0M
Gross Margin
25.5%
40.7%
Operating Margin
16.1%
23.2%
Net Margin
12.5%
10.8%
Revenue YoY
41.7%
1.3%
Net Profit YoY
126.8%
-41.5%
EPS (diluted)
$9.35
$1.23

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
MMM
MMM
Q1 26
$6.0B
Q4 25
$2.6B
$6.1B
Q3 25
$2.5B
$6.5B
Q2 25
$2.2B
$6.3B
Q1 25
$1.8B
$6.0B
Q4 24
$1.9B
$6.0B
Q3 24
$1.8B
$6.3B
Q2 24
$1.8B
$6.3B
Net Profit
FIX
FIX
MMM
MMM
Q1 26
$653.0M
Q4 25
$330.8M
$577.0M
Q3 25
$291.6M
$834.0M
Q2 25
$230.8M
$723.0M
Q1 25
$169.3M
$1.1B
Q4 24
$145.9M
$728.0M
Q3 24
$146.2M
$1.4B
Q2 24
$134.0M
$1.1B
Gross Margin
FIX
FIX
MMM
MMM
Q1 26
40.7%
Q4 25
25.5%
33.6%
Q3 25
24.8%
41.8%
Q2 25
23.5%
42.5%
Q1 25
22.0%
41.6%
Q4 24
23.2%
51.7%
Q3 24
21.1%
42.1%
Q2 24
20.1%
42.9%
Operating Margin
FIX
FIX
MMM
MMM
Q1 26
23.2%
Q4 25
16.1%
13.0%
Q3 25
15.5%
22.2%
Q2 25
13.8%
18.0%
Q1 25
11.4%
20.9%
Q4 24
12.1%
12.2%
Q3 24
11.2%
20.9%
Q2 24
10.2%
20.3%
Net Margin
FIX
FIX
MMM
MMM
Q1 26
10.8%
Q4 25
12.5%
9.4%
Q3 25
11.9%
12.8%
Q2 25
10.6%
11.4%
Q1 25
9.2%
18.7%
Q4 24
7.8%
12.1%
Q3 24
8.1%
21.8%
Q2 24
7.4%
18.3%
EPS (diluted)
FIX
FIX
MMM
MMM
Q1 26
$1.23
Q4 25
$9.35
$1.07
Q3 25
$8.25
$1.55
Q2 25
$6.53
$1.34
Q1 25
$4.75
$2.04
Q4 24
$4.08
$1.33
Q3 24
$4.09
$2.48
Q2 24
$3.74
$2.07

Balance Sheet & Financial Strength

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

Metric
FIX
FIX
MMM
MMM
Cash + ST InvestmentsLiquidity on hand
$981.9M
$3.7B
Total DebtLower is stronger
$145.2M
$10.9B
Stockholders' EquityBook value
$2.4B
$3.3B
Total Assets
$6.4B
$35.4B
Debt / EquityLower = less leverage
0.06×
3.29×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
FIX
FIX
MMM
MMM
Q1 26
$3.7B
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
Total Debt
FIX
FIX
MMM
MMM
Q1 26
$10.9B
Q4 25
$145.2M
$12.6B
Q3 25
$136.0M
$12.6B
Q2 25
$73.0M
$13.1B
Q1 25
$67.8M
$13.5B
Q4 24
$68.3M
$13.0B
Q3 24
$62.3M
$13.2B
Q2 24
$73.4M
$13.1B
Stockholders' Equity
FIX
FIX
MMM
MMM
Q1 26
$3.3B
Q4 25
$2.4B
$4.7B
Q3 25
$2.2B
$4.6B
Q2 25
$2.0B
$4.3B
Q1 25
$1.8B
$4.5B
Q4 24
$1.7B
$3.8B
Q3 24
$1.6B
$4.6B
Q2 24
$1.5B
$3.9B
Total Assets
FIX
FIX
MMM
MMM
Q1 26
$35.4B
Q4 25
$6.4B
$37.7B
Q3 25
$5.8B
$37.6B
Q2 25
$5.1B
$38.0B
Q1 25
$4.6B
$40.0B
Q4 24
$4.7B
$39.9B
Q3 24
$4.4B
$40.9B
Q2 24
$4.2B
$43.4B
Debt / Equity
FIX
FIX
MMM
MMM
Q1 26
3.29×
Q4 25
0.06×
2.68×
Q3 25
0.06×
2.72×
Q2 25
0.04×
3.06×
Q1 25
0.04×
3.02×
Q4 24
0.04×
3.40×
Q3 24
0.04×
2.84×
Q2 24
0.05×
3.34×

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
MMM
MMM
Operating Cash FlowLast quarter
$468.5M
Free Cash FlowOCF − Capex
$402.4M
$2.0B
FCF MarginFCF / Revenue
15.2%
33.6%
Capex IntensityCapex / Revenue
2.5%
Cash ConversionOCF / Net Profit
1.42×
TTM Free Cash FlowTrailing 4 quarters
$1.0B
$3.7B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
FIX
FIX
MMM
MMM
Q1 26
Q4 25
$468.5M
$1.6B
Q3 25
$553.3M
$1.8B
Q2 25
$252.5M
$-954.0M
Q1 25
$-88.0M
$-79.0M
Q4 24
$210.5M
$1.8B
Q3 24
$302.2M
$-1.8B
Q2 24
$189.9M
$1.0B
Free Cash Flow
FIX
FIX
MMM
MMM
Q1 26
$2.0B
Q4 25
$402.4M
$1.3B
Q3 25
$517.9M
$1.5B
Q2 25
$221.2M
$-1.2B
Q1 25
$-110.2M
$-315.0M
Q4 24
$169.8M
$1.5B
Q3 24
$280.1M
$-2.0B
Q2 24
$166.5M
$752.0M
FCF Margin
FIX
FIX
MMM
MMM
Q1 26
33.6%
Q4 25
15.2%
21.8%
Q3 25
21.1%
23.6%
Q2 25
10.2%
-18.3%
Q1 25
-6.0%
-5.3%
Q4 24
9.1%
25.4%
Q3 24
15.5%
-32.3%
Q2 24
9.2%
12.0%
Capex Intensity
FIX
FIX
MMM
MMM
Q1 26
Q4 25
2.5%
4.0%
Q3 25
1.4%
3.3%
Q2 25
1.4%
3.3%
Q1 25
1.2%
4.0%
Q4 24
2.2%
4.8%
Q3 24
1.2%
3.9%
Q2 24
1.3%
4.3%
Cash Conversion
FIX
FIX
MMM
MMM
Q1 26
Q4 25
1.42×
2.74×
Q3 25
1.90×
2.11×
Q2 25
1.09×
-1.32×
Q1 25
-0.52×
-0.07×
Q4 24
1.44×
2.50×
Q3 24
2.07×
-1.30×
Q2 24
1.42×
0.89×

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%

MMM
MMM

Safety and Industrial business segment$2.9B49%
Transportation and Electronics business segment$1.8B31%
Consumer business segment$1.1B19%
Corporate$121.0M2%

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