Which has the lower trailing P/E, AOS or TTEK?

AOS has the lower trailing P/E: AOS trades at 15.85 and TTEK at 20.11. P/E is one valuation measure and does not by itself establish which business is cheaper.

Which has grown faster, AOS or TTEK?

Over the past five years, TTEK grew revenue faster — AOS at a 3.37% CAGR versus TTEK at 15.81%.

Does AOS or TTEK pay a bigger dividend?

AOS yields 2.53% and TTEK yields 0.82% based on trailing dividends and the latest price.

Is AOS or TTEK more profitable?

AOS runs the higher net margin — AOS at 13.15% versus TTEK at 8.60%.

How have AOS and TTEK total returns compared?

Over the past 10 years, AOS delivered 2.88% and TTEK delivered 17.59% annualized total return. Past performance doesn't predict future results.

A. O. Smith Corporation (AOS) vs Tetra Tech, Inc. (TTEK)

A side-by-side comparison of A. O. Smith Corporation and Tetra Tech, Inc. across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of October 6, 2026. Differences are shown without an overall score or investment verdict.

AOS

A. O. Smith Corporation

$7.89B

$56.90IndustrialsDelayed quote: Oct 6, 2026, 4:00 PM EDT

TTEK

Tetra Tech, Inc.

$8.66B

$33.38IndustrialsDelayed quote: Oct 6, 2026, 4:00 PM EDT

Total return — AOS vs TTEK

growth of $100 · dividends reinvested · last 10y

AOS +36.4% (+3.2%/yr)TTEK +411.7% (+17.7%/yr)TTEK compounded faster over this window

AOS TTEK

AOS vs TTEK: by the numbers

•TTEK is the larger company ($8.66B vs $7.89B market cap).
•AOS trades at the lower trailing earnings multiple (15.85 vs 20.11 P/E), one valuation lens rather than an overall verdict.
•AOS converts more revenue to profit (13.15% vs 8.60% net margin).
•TTEK grew revenue faster over the past five years (15.81% vs 3.37% CAGR).
•AOS pays the higher dividend yield (2.53% vs 0.82%).

Metrics side by side

Valuation

Metric	AOS	TTEK
P/E ratio	15.85	20.11
Forward P/E	15.25	19.21
PEG ratio	1.25	2.48
P/S ratio	2.07	1.71
P/B ratio	4.28	4.68
EV / EBITDA	11.01	14.33
FCF yield	8.11%	6.33%

Profitability

Metric	AOS	TTEK
Gross margin	38.59%	18.78%
Operating margin	17.57%	11.88%
Net margin	13.15%	8.60%
ROE	27.16%	23.54%
ROIC	18.44%	14.48%

Dividends

Metric	AOS	TTEK
Dividend yield	2.53%	0.82%
Payout ratio	40.11%	16.51%

Growth (annualized)

Metric	AOS	TTEK
Revenue CAGR (5Y)	3.37%	15.81%
EPS CAGR (5Y)	12.52%	8.00%
FCF CAGR (5Y)	4.38%	13.94%
Total return CAGR (5Y)	-0.35%	2.35%

Frequently asked

Which has the lower trailing P/E, AOS or TTEK?: AOS has the lower trailing P/E: AOS trades at 15.85 and TTEK at 20.11. P/E is one valuation measure and does not by itself establish which business is cheaper.
Which has grown faster, AOS or TTEK?: Over the past five years, TTEK grew revenue faster — AOS at a 3.37% CAGR versus TTEK at 15.81%.
Does AOS or TTEK pay a bigger dividend?: AOS yields 2.53% and TTEK yields 0.82% based on trailing dividends and the latest price.
Is AOS or TTEK more profitable?: AOS runs the higher net margin — AOS at 13.15% versus TTEK at 8.60%.
How have AOS and TTEK total returns compared?: Over the past 10 years, AOS delivered 2.88% and TTEK delivered 17.59% annualized total return. Past performance doesn't predict future results.

Go deeper

Full AOS analysis Full TTEK analysis Interactive comparison tool

Dig into the metrics

A. O. Smith P/E ratio Tetra Tech P/E ratio A. O. Smith dividend yield Tetra Tech dividend yield A. O. Smith ROE Tetra Tech ROE A. O. Smith operating margin Tetra Tech operating margin A. O. Smith revenue growth Tetra Tech revenue growth A. O. Smith free cash flow Tetra Tech free cash flow

A. O. Smith & Tetra Tech appear in these rankings

Highest Dividend Yield Stocks 25+ Year Dividend Growers Fastest Revenue Growth Stocks Highest ROE Stocks

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 October 6, 2026.