AAON vs AOS vs ENGS Stock Comparison

Aaon, Smith A O and Energys Prices as of Oct 29, 2026 Peers: Industry group
1 more company in this comparison (MOD) Create a free account to keep reading and compare up to 10 companies.
AAON Aaon, Inc.
$75.30 -11.5% 1M -27.1% 1Y
Market cap
$5.47B
P/E
34.3x
Revenue (TTM)
$1.93B
Div. yield
–
HVAC Industrials
2 wins
AOS Smith A O Corp
$63.51 +9.4% 1M -3.2% 1Y
Market cap
$8.54B
P/E
17.3x
Revenue (TTM)
$3.80B
Div. yield
0.02%
HVAC Industrials
9 wins
ENGS Energys Group Ltd
$4.47 +49.5% 1M -48.9% 1Y
Market cap
$56.68M
P/E
–
Revenue (TTM)
—
Div. yield
–
HVAC Industrials

Head to Head

11 decided of 12

Smith A O leads on 9 of the 12 questions below (Smith A O 9, Aaon 2). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionAAONAOSENGSLeader
Larger companyMarket capitalisation $5.47B $8.54B $56.68M AOS
Cheaper on earningsLower P/E, profitable companies only 34.3x 17.3x — AOS
Cheaper on forward earningsLower price / next fiscal year consensus EPS 33.8x 17.6x — AOS
Faster revenue growthRevenue growth, trailing twelve months +53.5% -0.7% — AAON
More profitableNet margin, trailing twelve months 8.2% 13.0% — AOS
Better return on capitalReturn on invested capital 12.7% 20.8% — AOS
Less leveragedLower net debt / EBITDA 1.5x 0.6x — AOS
Higher dividend yieldTrailing dividend yield 0.00% 0.02% 0.00% –
Better 1-year returnPrice return, last 12 months -27.1% -3.2% -48.9% AOS
Better 5-year returnAnnualised price return, 5 years +9.5%/yr -2.8%/yr — AAON
Less volatileAnnualised volatility, 1 year 59.8% 27.6% 173.2% AOS
Higher overall scoreMean of the five percentile scores vs peers 40/100 60/100 — AOS

Percentile Scorecard

AAONAOSENGS

Each axis is the mean percentile of its metrics against the company's industry group. 100 is the best in the group, 50 the middle.

Scores by Axis

AxisAAONAOSENGS
Valuation 7 #51 of 55 67 #19 of 55 –
Growth 78 #12 of 51 32 #35 of 51 –
Profitability 44 #28 of 49 90 #6 of 49 –
Financial Health 67 #19 of 55 70 #17 of 55 2 #54 of 55
Shareholder Returns 5 #38 of 40 41 #24 of 40 –
Overall 40 60 –
  • AAON ranked among 59 companies in Construction Products
  • AOS ranked among 59 companies in Construction Products
  • ENGS ranked among 59 companies in Construction Products

Price Performance

Price return, split-adjusted, before dividends. Click a name to hide or show it.

Returns

PeriodAAONAOSENGSSPY
1 month -11.5%+9.4%+49.5% +0.7%
3 months -14.0%+6.2%+70.6% +3.7%
6 months -19.3%+2.7%+278.8% +7.1%
Year to date -1.2%-5.0%+425.9% +12.8%
1 year -27.1%-3.2%-48.9% +11.9%
3 years +38.3%-8.6%— +85.2%
3 years, per year +11.4%-3.0%— +22.8%
5 years +57.6%-13.1%— +67.6%
5 years, per year +9.5%-2.8%— +10.9%
10 years +283.6%+41.2%— +262.0%
10 years, per year +14.4%+3.5%— +13.7%

Risk

MeasureAAONAOSENGSSPY
Volatility, 1Y 59.8%27.6%173.2% 12.7%
Downside volatility, 1Y 57.6%26.3%260.1% 12.6%
Beta vs S&P 500, 1Y 2.210.700.41 1.00
Return / volatility, 1Y -0.45-0.11-0.28 0.94
Max drawdown, 5Y -53.6%-43.4%-94.8% -25.4%
From 52-week high -49.2%-21.1%-63.4% -1.2%
52-week high $148.25$80.47$12.22 $779.14
52-week low $68.85$55.34$0.64 $631.97

Valuation History

Weekly multiples on trailing twelve-month fundamentals. Negative or extreme readings (a loss year, a collapsed denominator) are left out so the chart stays readable.

MultipleAAONAOSENGS
P/E now vs peer median 38.9xmedian 20.3x 17.4xmedian 20.3x —median 20.3x
P/S now vs peer median 3.2xmedian 1.6x 2.2xmedian 1.6x —median 1.6x
EV/EBITDA now vs peer median 22.2xmedian 12.6x 11.8xmedian 12.6x —median 12.6x
P/FCF now vs peer median -52.3xmedian 16.9x 15.2xmedian 16.9x —median 16.9x
P/B now vs peer median 6.1xmedian 3.0x 4.7xmedian 3.0x 444.6xmedian 3.0x
PEG now vs peer median 17.84median 1.13 0.77median 1.13 —median 1.13

Financial History

Reported figures by fiscal period, placed on the calendar year (or quarter) each period ended in, so companies with different fiscal years line up.

Trailing twelve monthsAAONAOSENGS
Revenue $1.93B $3.80B –
Gross profit $494.09M $1.47B –
Operating income $213.50M $668.30M –
Net income $159.29M $494.60M –
Free cash flow -$118.79M $561.70M –
EPS (diluted) $1.90 $3.63 –
Cash & equivalents $13.00K $234.50M $40.87K
Total debt $435.00M $673.10M –
Shares (diluted) 83.72M 136.10M 12.55M
Enterprise value $5.47B $7.73B $55.86M

All Metrics

58 metrics · best in bold

Bold marks the best reading: the lowest positive value for multiples, leverage and payout, the highest for everything else. The bar under each value is its percentile against that company's own peers. Hover a value for its rank and the peer median.

Valuation

12 metrics
MetricAAONAOSENGS
P/E 38.9x 17.4x –
P/FCF -52.3x 15.2x –
P/Operating cash flow 71.7x 13.9x –
P/S 3.2x 2.2x –
P/B 6.1x 4.7x 444.6x
P/Tangible book 6.1x 6.9x 444.6x
EV/EBITDA 22.2x 11.8x –
EV/EBIT 31.1x 13.4x –
EV/Revenue 3.4x 2.4x –
EV/FCF -55.9x 16.0x –
EV/Operating cash flow 76.8x 14.6x –
PEG (3Y EPS CAGR) 17.84 0.77 –

Growth

14 metrics
MetricAAONAOSENGS
Revenue growth (1Y) 53.5% -0.7% –
Revenue CAGR (3Y) 22.7% 0.0% –
Gross profit growth (1Y) 36.9% -0.4% –
Gross profit CAGR (3Y) 16.2% 0.1% –
Operating income growth (1Y) 39.0% -7.2% –
Operating income CAGR (3Y) 5.4% -3.9% –
Net income growth (1Y) 30.5% -6.8% –
Net income CAGR (3Y) 2.3% 18.2% –
EPS growth (1Y) 29.3% -3.5% –
EPS CAGR (3Y) 2.2% 22.5% –
Operating cash flow growth (1Y) 157.7% -6.6% –
Operating cash flow CAGR (3Y) -11.0% -0.2% –
Free cash flow growth (1Y) 33.7% -1.8% –
Free cash flow CAGR (3Y) -74.9% 0.5% –

Profitability

14 metrics
MetricAAONAOSENGS
Gross margin 25.6% 38.6% –
EBITDA margin 15.5% 20.1% –
Operating margin 11.0% 17.6% –
Pretax margin 9.9% 16.8% –
Net margin 8.2% 13.0% –
FCF margin -6.1% 14.8% –
Operating cash flow margin 4.5% 16.1% –
Return on equity 16.4% 27.0% –
Return on assets 8.7% 13.6% –
Return on invested capital 12.7% 20.8% –
Return on capital employed 14.3% 24.0% –
Asset turnover 1.1x 1.0x –
Cash conversion (OCF / net income) 0.5x 1.2x –
Stock comp / revenue 1.0% 0.4% –

Financial Health

11 metrics
MetricAAONAOSENGS
Debt / assets 23.3% 18.4% 63.5%
Debt / equity 0.4x 0.4x 57.5x
Net debt / EBITDA 1.5x 0.6x –
Debt / FCF -3.7x 1.2x –
Liabilities / assets 45.8% 50.1% 98.9%
Equity / assets 54.2% 49.9% 1.1%
Interest coverage – 26.4x –
Current ratio 3.0x 1.6x 0.7x
Quick ratio 1.9x 1.0x 0.0x
Cash ratio 0.0x 0.3x 0.0x
Altman Z-score 6.89 6.22 –

Shareholder Returns

7 metrics
MetricAAONAOSENGS
Dividend yield 0.5% 2.3% –
Net buyback yield -0.6% 3.8% –
Shareholder yield -0.1% 6.1% –
Payout ratio (earnings) – 40.3% –
Payout ratio (FCF) – 35.5% –
Dividend growth (1Y) – 2.4% –
Dividend CAGR (3Y) – 3.1% –

Analyst Estimates

Solid lines are reported fiscal-year results; dashed lines are the consensus for the years ahead. Hover a year for the analysts' high and low, and how each result compared with its estimate.

ConsensusAAONAOSENGS
Forward P/E 33.8xFY2026 17.6xFY2026 –
EPS, next fiscal year $2.23FY2026 $3.60FY2026 –
EPS growth, next FY +65.2%FY2026 -6.5%FY2026 –
EPS growth, the year after +56.1% +15.0% –
Revenue, next fiscal year $2.44BFY2026 $3.73BFY2026 –
Revenue growth, next FY +69.6%FY2026 -2.6%FY2026 –
Revenue growth, the year after +16.8% +3.9% –

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersAAONAOSENGS
Held by institutions 78.7% 91.9% –
Institutions holding 470 615 –
Change in shares held, QoQ -7.0% +7.1% –
Institutions buying 241 316 –
Institutions selling 175 226 –
Buyers to sellers 1.38 1.40 –

Return Correlation

Daily returns, last 12 months

1.00 means two stocks move in lockstep, 0 that they move independently. Pairs below about 0.5 diversify each other.

AAONAOSENGS
AAON 1.00 0.23 -0.14
AOS 0.23 1.00 0.01
ENGS -0.14 0.01 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, AAON, AOS and ENGS?

Smith A O (AOS) is the largest by market capitalisation: Aaon (AAON) $5.47B, Smith A O (AOS) $8.54B, Energys (ENGS) $56.68M.

Which stock is cheaper, AAON, AOS and ENGS?

Smith A O (AOS) trades on the lowest price-to-earnings ratio (Aaon (AAON) 34.3x, Smith A O (AOS) 17.3x). On next year's consensus earnings, Smith A O (AOS) is cheapest (Aaon (AAON) 33.8x, Smith A O (AOS) 17.6x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

Aaon (AAON) grew revenue fastest over the trailing twelve months: Aaon (AAON) +53.5%, Smith A O (AOS) -0.7%.

Which company is more profitable?

Smith A O (AOS) has the highest net margin (Aaon (AAON) 8.2%, Smith A O (AOS) 13.0%). On return on invested capital, Smith A O (AOS) leads (Aaon (AAON) 12.7%, Smith A O (AOS) 20.8%).

Which stock has performed better?

Over the past year Smith A O (AOS) returned the most: Aaon (AAON) -27.1%, Smith A O (AOS) -3.2%, Energys (ENGS) -48.9%. Over five years, Aaon (AAON) compounded fastest (Aaon (AAON) +9.5%/yr, Smith A O (AOS) -2.8%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Only one of these companies pays a dividend: Aaon (AAON) 0.00%, Smith A O (AOS) 0.02%, Energys (ENGS) 0.00%. Aaon (AAON) and Energys (ENGS) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, Smith A O (AOS) has been the steadiest (Aaon (AAON) 59.8%, Smith A O (AOS) 27.6%, Energys (ENGS) 173.2%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, AAON, AOS and ENGS?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Smith A O (AOS) leads on 9. Business Quant does not give investment advice; use the comparison as a starting point for your own research.

Data from SEC filings, exchange prices and consensus estimates, via Business Quant. Percentile scores compare each company with its own peer group, so two companies' scores are each relative to different peers unless you rank against the whole market. Price returns exclude dividends. Nothing on this page is investment advice.