Which has the lower trailing P/E, AAON or FSS?

FSS has the lower trailing P/E: AAON trades at 39.07 and FSS at 24.81. P/E is one valuation measure and does not by itself establish which business is cheaper.

Which has grown faster, AAON or FSS?

Over the past five years, AAON grew revenue faster — AAON at a 30.47% CAGR versus FSS at 15.56%.

Does AAON or FSS pay a bigger dividend?

AAON yields 0.54% and FSS yields 0.51% based on trailing dividends and the latest price.

Is AAON or FSS more profitable?

FSS runs the higher net margin — AAON at 8.24% versus FSS at 11.66%.

How have AAON and FSS total returns compared?

Over the past 10 years, AAON delivered 15.16% and FSS delivered 25.35% annualized total return. Past performance doesn't predict future results.

AAON, Inc. (AAON) vs Federal Signal Corporation (FSS)

A side-by-side comparison of AAON, Inc. and Federal Signal Corporation across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of September 2, 2026. Differences are shown without an overall score or investment verdict.

AAON

AAON, Inc.

$6.30B

$76.94IndustrialsDelayed quote: Sep 3, 2026, 1:20 PM EDT

FSS

Federal Signal Corporation

$7.07B

$115.86IndustrialsDelayed quote: Sep 3, 2026, 1:20 PM EDT

Total return — AAON vs FSS

growth of $100 · dividends reinvested · last 10y

AAON +312.6% (+15.2%/yr)FSS +867.8% (+25.5%/yr)FSS compounded faster over this window

AAON FSS

AAON vs FSS: by the numbers

•FSS is the larger company ($7.07B vs $6.30B market cap).
•FSS trades at the lower trailing earnings multiple (24.81 vs 39.07 P/E), one valuation lens rather than an overall verdict.
•FSS converts more revenue to profit (11.66% vs 8.24% net margin).
•AAON grew revenue faster over the past five years (30.47% vs 15.56% CAGR).
•AAON pays the higher dividend yield (0.54% vs 0.51%).

Metrics side by side

Valuation

Metric	AAON	FSS
P/E ratio	39.07	24.81
Forward P/E	31.60	22.01
P/S ratio	3.23	2.89
P/B ratio	6.18	4.70
EV / EBITDA	20.99	14.93
FCF yield	N/A	4.79%

Profitability

Metric	AAON	FSS
Gross margin	25.57%	29.17%
Operating margin	11.05%	16.84%
Net margin	8.24%	11.66%
ROE	15.76%	18.93%
ROIC	11.51%	14.80%

Dividends

Metric	AAON	FSS
Dividend yield	0.54%	0.51%
Payout ratio	30.30%	14.53%

Growth (annualized)

Metric	AAON	FSS
Revenue CAGR (5Y)	30.47%	15.56%
EPS CAGR (5Y)	5.50%	20.62%
FCF CAGR (5Y)	-57.58%	31.04%
Total return CAGR (5Y)	10.97%	23.68%

Frequently asked

Which has the lower trailing P/E, AAON or FSS?: FSS has the lower trailing P/E: AAON trades at 39.07 and FSS at 24.81. P/E is one valuation measure and does not by itself establish which business is cheaper.
Which has grown faster, AAON or FSS?: Over the past five years, AAON grew revenue faster — AAON at a 30.47% CAGR versus FSS at 15.56%.
Does AAON or FSS pay a bigger dividend?: AAON yields 0.54% and FSS yields 0.51% based on trailing dividends and the latest price.
Is AAON or FSS more profitable?: FSS runs the higher net margin — AAON at 8.24% versus FSS at 11.66%.
How have AAON and FSS total returns compared?: Over the past 10 years, AAON delivered 15.16% and FSS delivered 25.35% annualized total return. Past performance doesn't predict future results.

Go deeper

Full AAON analysis Full FSS analysis Interactive comparison tool

Dig into the metrics

AAON P/E ratio Federal Signal P/E ratio AAON dividend yield Federal Signal dividend yield AAON ROE Federal Signal ROE AAON operating margin Federal Signal operating margin AAON revenue growth Federal Signal revenue growth AAON free cash flow Federal Signal free cash flow

AAON & Federal Signal appear in these rankings

Fastest Revenue Growth Stocks Highest FCF Yield Stocks Highest 10-Year Total Return 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 September 2, 2026.