ACM vs EME vs OMEX Stock Comparison

Aecom, Emcor and Odyssey Marine Exploration Prices as of Oct 28, 2026 Peers: Industry group
ACM Aecom
$62.25 +4.8% 1M -53.0% 1Y
Market cap
$8.01B
P/E
27.8x
Revenue (TTM)
$15.39B
Div. yield
1.99%
Engineering and Construction Industrials
3 wins
EME EMCOR Group, Inc.
$678.79 -11.3% 1M -9.7% 1Y
Market cap
$30.03B
P/E
21.0x
Revenue (TTM)
$18.60B
Div. yield
0.24%
Engineering and Construction Industrials
7 wins

Head to Head

11 decided of 12

Emcor leads on 7 of the 12 questions below (Emcor 7, Aecom 3, Odyssey Marine Exploration 1). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionACMEMEOMEXLeader
Larger companyMarket capitalisation $8.01B $30.03B $1.27M EME
Cheaper on earningsLower P/E, profitable companies only 27.8x 21.0x -0.8x EME
Cheaper on forward earningsLower price / next fiscal year consensus EPS 14.9x 19.5x — ACM
Faster revenue growthRevenue growth, trailing twelve months -4.2% +18.9% -70.3% EME
More profitableNet margin, trailing twelve months 1.9% 7.7% -21,426.8% EME
Better return on capitalReturn on invested capital 9.9% — — –
Less leveragedLower net debt / EBITDA 2.4x — -0.4x OMEX
Higher dividend yieldTrailing dividend yield 1.99% 0.24% — ACM
Better 1-year returnPrice return, last 12 months -53.0% -9.7% -77.5% EME
Better 5-year returnAnnualised price return, 5 years -1.9%/yr +41.1%/yr -38.9%/yr EME
Less volatileAnnualised volatility, 1 year 38.3% 45.5% 102.7% ACM
Higher overall scoreMean of the five percentile scores vs peers 49/100 65/100 2/100 EME

Percentile Scorecard

ACMEMEOMEX

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

AxisACMEMEOMEX
Valuation 65 #19 of 52 61 #21 of 52 0 #52 of 52
Growth 11 #33 of 37 56 #17 of 37 6 #35 of 37
Profitability 44 #21 of 37 89 #5 of 37 0 #37 of 37
Financial Health 30 #40 of 57 70 #18 of 57 2 #56 of 57
Shareholder Returns 92 #3 of 26 52 #13 of 26 –
Overall 49 65 2
  • ACM ranked among 57 companies in Construction Services
  • EME ranked among 57 companies in Construction Services
  • OMEX ranked among 57 companies in Construction Services

Price Performance

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

Returns

PeriodACMEMEOMEXSPY
1 month +4.8%-11.3%-21.7% +0.9%
3 months -15.4%+1.0%-15.6% +5.9%
6 months -24.0%-18.5%-45.5% +8.5%
Year to date -34.7%+11.0%-72.4% +13.3%
1 year -53.0%-9.7%-77.5% +12.4%
3 years -16.8%+230.6%-84.7% +88.1%
3 years, per year -5.9%+49.0%-46.5% +23.5%
5 years -9.0%+458.7%-91.5% +68.2%
5 years, per year -1.9%+41.1%-38.9% +11.0%
10 years +123.3%+1,020.5%-87.9% +263.4%
10 years, per year +8.4%+27.3%-19.0% +13.8%

Risk

MeasureACMEMEOMEXSPY
Volatility, 1Y 38.3%45.5%102.7% 12.7%
Downside volatility, 1Y 47.2%48.4%99.1% 12.7%
Beta vs S&P 500, 1Y 0.871.933.21 1.00
Return / volatility, 1Y -1.38-0.21-0.75 0.98
Max drawdown, 5Y -56.8%-36.2%-95.8% -25.4%
From 52-week high -53.7%-28.1%-77.5% -0.9%
52-week high $134.35$943.75$2.40 $779.14
52-week low $58.00$581.58$0.51 $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.

MultipleACMEMEOMEX
P/E now vs peer median 27.8xmedian 27.7x 21.0xmedian 27.7x -0.8xmedian 27.7x
P/S now vs peer median 0.5xmedian 0.8x 1.6xmedian 0.8x 6.9xmedian 0.8x
EV/EBITDA now vs peer median 13.7xmedian 12.4x 13.6xmedian 12.4x -0.4xmedian 12.4x
P/FCF now vs peer median 39.4xmedian 23.7x 25.6xmedian 23.7x -0.1xmedian 23.7x
P/B now vs peer median 3.3xmedian 2.5x 7.4xmedian 2.5x 0.0xmedian 2.5x
PEG now vs peer median 0.87median 0.57 0.45median 0.57 0.01median 0.57

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 monthsACMEMEOMEX
Revenue $15.39B $18.60B $184.07K
Gross profit $874.05M $3.61B –
Operating income $631.20M $1.93B -$20.93M
Net income $334.79M $1.44B -$40.17M
Free cash flow $203.45M $1.17B -$13.44M
R&D – – $2.89M
EPS (diluted) $2.24 $32.30 $-0.67
Cash & equivalents $1.01B $924.41M $2.35M
Total debt $2.75B – $30.18M
Shares (diluted) 128.60M 44.55M 58.59M
Enterprise value $3.34B $26.42B -$50.70M

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
MetricACMEMEOMEX
P/E 27.8x 21.0x -0.8x
P/FCF 39.4x 25.6x -0.1x
P/Operating cash flow 21.9x 23.3x -0.1x
P/S 0.5x 1.6x 6.9x
P/B 3.3x 7.4x 0.0x
P/Tangible book 3.6x 10.0x 0.0x
EV/EBITDA 13.7x 13.6x -0.4x
EV/EBIT 15.4x 15.1x -0.4x
EV/Revenue 0.6x 1.6x 48.1x
EV/FCF 47.9x 24.8x -0.7x
EV/Operating cash flow 26.7x 22.6x -0.7x
PEG (3Y EPS CAGR) 0.87 0.45 0.01

Growth

14 metrics
MetricACMEMEOMEX
Revenue growth (1Y) -4.2% 18.9% -70.3%
Revenue CAGR (3Y) 3.3% 16.7% -45.0%
Gross profit growth (1Y) -25.9% 18.5% –
Gross profit CAGR (3Y) -1.4% 26.3% –
Operating income growth (1Y) -38.5% 29.9% -92.5%
Operating income CAGR (3Y) 13.8% 41.7% -15.2%
Net income growth (1Y) -50.9% 30.2% -372.5%
Net income CAGR (3Y) 24.6% 43.8% -186.3%
EPS growth (1Y) -51.4% 31.5% -2,016%
EPS CAGR (3Y) 31.9% 47.0% -124.4%
Operating cash flow growth (1Y) -60.5% -0.6% -84.9%
Operating cash flow CAGR (3Y) -20.5% 20.8% 3.7%
Free cash flow growth (1Y) -75.3% -3.1% -85.1%
Free cash flow CAGR (3Y) -29.3% 20.3% 7.7%

Profitability

14 metrics
MetricACMEMEOMEX
Gross margin 5.7% 19.4% –
EBITDA margin 4.6% 11.5% -10,771%
Operating margin 4.1% 10.4% -11,370%
Pretax margin 3.4% 10.5% -21,821%
Net margin 1.9% 7.7% -21,427%
FCF margin 1.3% 6.3% -7,299%
Operating cash flow margin 2.4% 6.9% -7,290%
Return on equity 13.9% 36.2% –
Return on assets 2.8% 14.6% -301.6%
Return on invested capital 9.9% – –
Return on capital employed 10.5% 41.9% –
Asset turnover 1.3x 1.9x 0.0x
Cash conversion (OCF / net income) 1.1x 0.9x 0.3x
Stock comp / revenue 0.3% 0.1% 228.9%

Financial Health

11 metrics
MetricACMEMEOMEX
Debt / assets 22.8% – 75.0%
Debt / equity 1.1x – -0.1x
Net debt / EBITDA 2.4x – -0.4x
Debt / FCF 13.5x – -0.7x
Liabilities / assets 80.0% 59.8% 703.9%
Equity / assets 20.0% 40.2% -603.9%
Interest coverage 3.1x – -7.2x
Current ratio 1.1x 1.3x 0.1x
Quick ratio 0.9x 1.2x 0.1x
Cash ratio 0.2x 0.2x 0.1x
Altman Z-score 1.80 6.51 -42.38

Shareholder Returns

7 metrics
MetricACMEMEOMEX
Dividend yield 2.0% 0.2% –
Net buyback yield 8.0% 1.4% -678.6%
Shareholder yield 10.0% 1.6% -678.6%
Payout ratio (earnings) – 4.0% –
Payout ratio (FCF) – 4.9% –
Dividend growth (1Y) – 26.6% –
Dividend CAGR (3Y) – 25.6% –

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.

ConsensusACMEMEOMEX
Forward P/E 14.9xFY2026 19.5xFY2026 –
EPS, next fiscal year $4.19FY2026 $34.73FY2026 $-0.91FY2023
EPS growth, next FY -20.3%FY2026 +34.2%FY2026 –
EPS growth, the year after +54.7% +10.7% –
Revenue, next fiscal year $7.04BFY2026 $19.07BFY2026 $979.70KFY2023
Revenue growth, next FY -7.0%FY2026 +12.2%FY2026 –
Revenue growth, the year after +8.8% +13.1% +1.0%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersACMEMEOMEX
Held by institutions 92.6% 93.1% 1.7%
Institutions holding 572 1,235 57
Change in shares held, QoQ +5.5% -0.1% +13.6%
Institutions buying 270 659 29
Institutions selling 232 419 11
Buyers to sellers 1.16 1.57 2.64

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.

ACMEMEOMEX
ACM 1.00 0.09 0.19
EME 0.09 1.00 0.18
OMEX 0.19 0.18 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, ACM, EME and OMEX?

Emcor (EME) is the largest by market capitalisation: Aecom (ACM) $8.01B, Emcor (EME) $30.03B, Odyssey Marine Exploration (OMEX) $1.27M.

Which stock is cheaper, ACM, EME and OMEX?

Emcor (EME) trades on the lowest price-to-earnings ratio (Aecom (ACM) 27.8x, Emcor (EME) 21.0x, Odyssey Marine Exploration (OMEX) -0.8x). On next year's consensus earnings, Aecom (ACM) is cheapest (Aecom (ACM) 14.9x, Emcor (EME) 19.5x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

Emcor (EME) grew revenue fastest over the trailing twelve months: Aecom (ACM) -4.2%, Emcor (EME) +18.9%, Odyssey Marine Exploration (OMEX) -70.3%.

Which company is more profitable?

Emcor (EME) has the highest net margin (Aecom (ACM) 1.9%, Emcor (EME) 7.7%, Odyssey Marine Exploration (OMEX) -21,426.8%).

Which stock has performed better?

Over the past year Emcor (EME) returned the most: Aecom (ACM) -53.0%, Emcor (EME) -9.7%, Odyssey Marine Exploration (OMEX) -77.5%. Over five years, Emcor (EME) compounded fastest (Aecom (ACM) -1.9%/yr, Emcor (EME) +41.1%/yr, Odyssey Marine Exploration (OMEX) -38.9%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Aecom (ACM) has the highest dividend yield: Aecom (ACM) 1.99%, Emcor (EME) 0.24%. Odyssey Marine Exploration (OMEX) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, Aecom (ACM) has been the steadiest (Aecom (ACM) 38.3%, Emcor (EME) 45.5%, Odyssey Marine Exploration (OMEX) 102.7%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, ACM, EME and OMEX?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Emcor (EME) leads on 7. 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.