Comfort Systems USA, Inc.
Rank #271Op. LeverageFIX · NYSE · Industrials
Comfort Systems USA, Inc. (FIX) — Rank #271 by gross profitability (GP/assets 0.26) · ROE 31.8% · Piotroski F-Score 7 / 9.
As-of 2026-09-15 · CIK 0001035983 · all metrics point-in-time as of the filing date.
About
Comfort Systems USA, Inc., together with its subsidiaries, provides mechanical and electrical installation, renovation, maintenance, repair, and replacement services for the mechanical and electrical services industry in the United States.
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The company operates through two segments: Mechanical and Electrical. It offers heating, ventilation, and air conditioning systems, as well as plumbing, electrical, piping and controls, off-site construction, monitoring, and fire protection. The company is also involved in the design, engineering, integration, installation, and start-up of mechanical, electrical, and plumbing (MEP) and related systems in new buildings; and renovation, expansion, maintenance, monitoring, repair, and replacement of systems in existing buildings. In addition, it provides remote monitoring of power usage, temperature, pressure, humidity and air flow for MEP and other building systems. The company serves building owners and developers, general contractors, architects, consulting engineers, and property managers in the commercial, industrial, and institutional markets. Comfort Systems USA, Inc.
was founded in 1917 and is headquartered in Houston, Texas.
- Industry
- Engineering & Construction
- Sector
- Industrials
- Filer Category
- Large accelerated filer
- Fiscal Year End
- December 31
- Website
- comfortsystemsusa.com
Financials
Each fiscal year is read as-of that year’s own 10-K filing, so nothing restated after the fact leaks backwards. Line items this filer never tagged are omitted. Hover or tap a badge for the diagnostic behind it.
| Fiscal year end | 2025-12-31filed 2026-02-19 | 2024-12-31filed 2025-02-20 | 2023-12-31filed 2024-02-22 | 2022-12-31filed 2023-02-22 |
|---|---|---|---|---|
| Revenue | 9,101.6 | 7,027.5 | 5,206.8 | 4,140.4 |
| Revenue growth (YoY) | 29.5% | 35.0% | 25.8% | 34.7% |
| Cost of revenue | 6,905.7 | 5,551.1 | 4,216.3 | 3,398.8 |
| Gross profit | 2,195.9 | 1,476.4 | 990.5 | 741.6 |
| Gross margin | 24.1% | 21.0% | 19.0% | 17.9% |
| Selling, general & administrative | 883.3 | 730.1 | 574.4 | 489.3 |
| Operating income | 1,314.6 | 749.4 | 418.4 | 253.8 |
| Operating margin | 14.4% | 10.7% | 8.0% | 6.1% |
| Interest income | 21.6 | 11.6 | 3.5 | 0.0 |
| Interest expense | 9.0 | 6.6 | 10.3 | 13.4 |
| Pre-tax income | 1,293.5 | 666.6 | 388.2 | 235.9 |
| Income tax expense | 270.9 | 144.1 | 64.8 | (10.1) |
| Net income | 1,022.6 | 522.4 | 323.4 | 245.9 |
| Net margin | 11.2% | 7.4% | 6.2% | 5.9% |
| EPS (basic) | $28.93 | $14.64 | $9.03 | $6.84 |
| EPS (diluted) | $28.88 | $14.60 | $9.01 | $6.82 |
Figures are as originally filed with the SEC (point-in-time), not restated, so they can differ slightly from sites that show later-restated numbers. Why point-in-time?