Comfort Systems USA, Inc. (FIX) vs Westinghouse Air Brake Technologies Corporation (WAB)
A side-by-side comparison of Comfort Systems USA, Inc. and Westinghouse Air Brake Technologies Corporation across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of September 13, 2026. Differences are shown without an overall score or investment verdict.
FIX
Comfort Systems USA, Inc.
$1,576.78IndustrialsDelayed quote: Sep 15, 2026, 4:00 PM EDT
WAB
Westinghouse Air Brake Technologies Corporation
$278.18IndustrialsDelayed quote: Sep 15, 2026, 3:59 PM EDT
Total return — FIX vs WAB
growth of $100 · dividends reinvested · last 10yFIX +6036.4% (+50.9%/yr)WAB +280.5% (+14.3%/yr)FIX compounded faster over this window
Log scale — wide-divergence pair
FIX WAB
FIX vs WAB: by the numbers
- •FIX is the larger company ($55.49B vs $46.99B market cap).
- •WAB trades at the lower trailing earnings multiple (37.39 vs 38.78 P/E), one valuation lens rather than an overall verdict.
- •FIX converts more revenue to profit (12.78% vs 10.59% net margin).
- •FIX grew revenue faster over the past five years (32.05% vs 9.16% CAGR).
- •WAB pays the higher dividend yield (0.42% vs 0.18%).
Metrics side by side
Valuation
| Metric | FIX | WAB |
|---|---|---|
| P/E ratio | 38.78 | 37.39 |
| Forward P/E | 32.17 | 25.61 |
| P/S ratio | 4.94 | 3.92 |
| P/B ratio | 17.25 | 4.18 |
| EV / EBITDA | 26.84 | 21.41 |
| FCF yield | 3.89% | 3.59% |
Profitability
| Metric | FIX | WAB |
|---|---|---|
| Gross margin | 25.67% | 34.33% |
| Operating margin | 16.46% | 16.54% |
| Net margin | 12.78% | 10.59% |
| ROE | 44.58% | 11.29% |
| ROIC | 38.80% | 7.64% |
Dividends
| Metric | FIX | WAB |
|---|---|---|
| Dividend yield | 0.18% | 0.42% |
| Payout ratio | 7.38% | 15.86% |
Growth (annualized)
| Metric | FIX | WAB |
|---|---|---|
| Revenue CAGR (5Y) | 32.05% | 9.16% |
| EPS CAGR (5Y) | 47.75% | 25.77% |
| FCF CAGR (5Y) | 59.02% | 14.38% |
| Total return CAGR (5Y) | 88.88% | 26.43% |
Frequently asked
- Which has the lower trailing P/E, FIX or WAB?
- WAB has the lower trailing P/E: FIX trades at 38.78 and WAB at 37.39. P/E is one valuation measure and does not by itself establish which business is cheaper.
- Which has grown faster, FIX or WAB?
- Over the past five years, FIX grew revenue faster — FIX at a 32.05% CAGR versus WAB at 9.16%.
- Does FIX or WAB pay a bigger dividend?
- FIX yields 0.18% and WAB yields 0.42% based on trailing dividends and the latest price.
- Is FIX or WAB more profitable?
- FIX runs the higher net margin — FIX at 12.78% versus WAB at 10.59%.
- How have FIX and WAB total returns compared?
- Over the past 10 years, FIX delivered 51.60% and WAB delivered 14.58% annualized total return. Past performance doesn't predict future results.
Go deeper
Dig into the metrics
Comfort Systems USA P/E ratioWestinghouse Air Brake Technologies P/E ratioComfort Systems USA dividend yieldWestinghouse Air Brake Technologies dividend yieldComfort Systems USA ROEWestinghouse Air Brake Technologies ROEComfort Systems USA operating marginWestinghouse Air Brake Technologies operating marginComfort Systems USA revenue growthWestinghouse Air Brake Technologies revenue growthComfort Systems USA free cash flowWestinghouse Air Brake Technologies free cash flow
Comfort Systems USA & Westinghouse Air Brake Technologies appear in these rankings
Figures are sourced from reported fundamentals and the latest end-of-day price. This comparison is informational only and is not investment advice. Past performance does not predict future results. See our methodology. Compiled by TGMCharts Research · data verified September 13, 2026.