Comfort Systems USA, Inc. (FIX) vs TransDigm Group Incorporated (TDG)

A side-by-side comparison of Comfort Systems USA, Inc. and TransDigm Group Incorporated across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of August 5, 2026. Differences are shown without an overall score or investment verdict.

Compare

Total returnFIX vs TDG

growth of $100 · dividends reinvested · last 20y
FIX +19271.4%TDG +14304.3%FIX compounded faster
05k10k15k20kStart $10020102014201820222026$19,371$14,404
FIX TDG

FIX vs TDG: by the numbers

  • TDG is the larger company ($69.41B vs $61.89B market cap).
  • TDG trades at the lower trailing earnings multiple (38.68 vs 43.68 P/E), one valuation lens rather than an overall verdict.
  • TDG converts more revenue to profit (21.28% vs 12.78% net margin).
  • FIX grew revenue faster over the past five years (32.05% vs 16.52% CAGR).
  • TDG pays the higher dividend yield (7.06% vs 0.15%).

Metrics side by side

Valuation

MetricFIXTDG
P/E ratio43.6838.68
Forward P/E36.2631.84
P/S ratio5.587.38
P/B ratio19.46N/A
PEG ratio0.331.63
EV / EBITDA30.3821.03
FCF yield3.45%2.49%

Profitability

MetricFIXTDG
Gross margin25.67%59.57%
Operating margin16.46%46.19%
Net margin12.78%21.28%
ROE44.58%-21.41%
ROIC33.59%15.22%

Dividends

MetricFIXTDG
Dividend yield0.15%7.06%
Payout ratio8.99%280.55%

Growth (annualized)

MetricFIXTDG
Revenue CAGR (5Y)32.05%16.52%
EPS CAGR (5Y)47.75%31.14%
FCF CAGR (5Y)59.02%13.70%
Total return CAGR (5Y)89.58%20.00%

Frequently asked

Which has the lower trailing P/E, FIX or TDG?
TDG has the lower trailing P/E: FIX trades at 43.68 and TDG at 38.68. P/E is one valuation measure and does not by itself establish which business is cheaper.
Which has grown faster, FIX or TDG?
Over the past five years, FIX grew revenue faster — FIX at a 32.05% CAGR versus TDG at 16.52%.
Does FIX or TDG pay a bigger dividend?
FIX yields 0.15% and TDG yields 7.06% based on trailing dividends and the latest price.
Is FIX or TDG more profitable?
TDG runs the higher net margin — FIX at 12.78% versus TDG at 21.28%.
How have FIX and TDG total returns compared?
Over the past 10 years, FIX delivered 51.85% and TDG delivered 22.02% annualized total return. Past performance doesn't predict future results.

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 August 5, 2026.