PRIM vs SUNE vs EME Stock Comparison

Primoris Services, SUNation Energy and Emcor Prices as of Oct 29, 2026 Peers: Industry group
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PRIM Primoris Services Corp
$75.61 +1.8% 1M -47.6% 1Y
Market cap
$3.85B
P/E
27.6x
Revenue (TTM)
$7.28B
Div. yield
0.00%
Utility Construction Industrials
2 wins
SUNE SUNation Energy, Inc.
$2.12 -8.2% 1M +45.2% 1Y
Market cap
$12.90M
P/E
–
Revenue (TTM)
$61.56M
Div. yield
–
Solar Installers Industrials
2 wins
EME EMCOR Group, Inc.
$689.79 -9.5% 1M -11.2% 1Y
Market cap
$29.86B
P/E
19.3x
Revenue (TTM)
$19.84B
Div. yield
–
Engineering and Construction Industrials
7 wins

Head to Head

11 decided of 12

Emcor leads on 7 of the 12 questions below (Emcor 7, Primoris Services 2, SUNation Energy 2). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionPRIMSUNEEMELeader
Larger companyMarket capitalisation $3.85B $12.90M $29.86B EME
Cheaper on earningsLower P/E, profitable companies only 27.6x -2.5x 19.3x EME
Cheaper on forward earningsLower price / next fiscal year consensus EPS 33.5x — 19.9x EME
Faster revenue growthRevenue growth, trailing twelve months +5.1% +10.3% +22.1% EME
More profitableNet margin, trailing twelve months 1.9% -8.5% — PRIM
Better return on capitalReturn on invested capital 7.0% -18.9% — PRIM
Less leveragedLower net debt / EBITDA 1.8x -0.8x — SUNE
Higher dividend yieldTrailing dividend yield 0.00% 0.00% 0.00% –
Better 1-year returnPrice return, last 12 months -47.6% +45.2% -11.2% SUNE
Better 5-year returnAnnualised price return, 5 years +22.9%/yr — +41.6%/yr EME
Less volatileAnnualised volatility, 1 year 94.7% 232.9% 45.4% EME
Higher overall scoreMean of the five percentile scores vs peers 40/100 33/100 57/100 EME

Percentile Scorecard

PRIMSUNEEME

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

AxisPRIMSUNEEME
Valuation 53 #25 of 52 33 #35 of 52 47 #28 of 52
Growth 17 #31 of 37 61 #15 of 37 69 #12 of 37
Profitability 42 #22 of 37 25 #28 of 37 86 #6 of 37
Financial Health 55 #26 of 57 43 #33 of 57 57 #25 of 57
Shareholder Returns 35 #18 of 27 4 #26 of 27 27 #20 of 27
Overall 40 33 57
  • PRIM ranked among 57 companies in Construction Services
  • SUNE ranked among 57 companies in Construction Services
  • EME ranked among 57 companies in Construction Services

Price Performance

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

Returns

PeriodPRIMSUNEEMESPY
1 month +1.8%-8.2%-9.5% +0.7%
3 months -11.7%-7.4%-14.1% +3.7%
6 months -58.3%+68.3%-22.6% +7.1%
Year to date -39.1%+105.8%+12.7% +12.8%
1 year -47.6%+45.2%-11.2% +11.9%
3 years +156.5%-100.0%+236.5% +85.2%
3 years, per year +36.9%-97.4%+49.9% +22.8%
5 years +180.6%—+467.8% +67.6%
5 years, per year +22.9%—+41.6% +10.9%
10 years +282.8%—+1,038.6% +262.0%
10 years, per year +14.4%—+27.5% +13.7%

Risk

MeasurePRIMSUNEEMESPY
Volatility, 1Y 94.7%232.9%45.4% 12.7%
Downside volatility, 1Y 120.9%143.4%48.4% 12.6%
Beta vs S&P 500, 1Y 1.872.381.93 1.00
Return / volatility, 1Y -0.500.19-0.25 0.94
Max drawdown, 5Y -68.0%-100.0%-36.2% -25.4%
From 52-week high -62.7%-63.9%-26.9% -1.2%
52-week high $202.92$5.88$943.75 $779.14
52-week low $64.99$0.78$581.58 $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.

MultiplePRIMSUNEEME
P/E now vs peer median 29.2xmedian 28.1x -2.6xmedian 28.1x 19.8xmedian 28.1x
P/S now vs peer median 0.6xmedian 0.8x 0.2xmedian 0.8x 1.5xmedian 0.8x
EV/EBITDA now vs peer median 14.8xmedian 12.7x -6.6xmedian 12.7x —median 12.7x
P/FCF now vs peer median 46.2xmedian 25.0x -7.6xmedian 25.0x 28.8xmedian 25.0x
P/B now vs peer median 2.5xmedian 2.5x 0.7xmedian 2.5x 7.1xmedian 2.5x
PEG now vs peer median 7.33median 0.60 -0.03median 0.60 0.45median 0.60

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 monthsPRIMSUNEEME
Revenue $7.28B $61.56M $19.84B
Gross profit $627.80M $21.99M $3.89B
Operating income $212.09M -$4.86M $2.07B
Net income $139.54M -$5.22M $1.54B
Free cash flow $88.00M -$1.82M –
EPS (diluted) $2.59 $-0.82 $34.65
Cash & equivalents $218.20M $3.06M $774.75M
Total debt $797.00M $4.84M –
Shares (diluted) 54.00M 6.40M 44.55M
Enterprise value $2.30B -$4.45M $29.86B

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
MetricPRIMSUNEEME
P/E 29.2x -2.6x 19.8x
P/FCF 46.2x -7.6x 28.8x
P/Operating cash flow 20.9x -7.8x 18.9x
P/S 0.6x 0.2x 1.5x
P/B 2.5x 0.7x 7.1x
P/Tangible book 3.3x 1.2x 10.8x
EV/EBITDA 14.8x -6.6x –
EV/EBIT 21.9x -3.2x –
EV/Revenue 0.6x 0.3x 1.5x
EV/FCF 52.8x -8.6x –
EV/Operating cash flow 23.9x -8.8x 18.9x
PEG (3Y EPS CAGR) 7.33 -0.03 0.45

Growth

14 metrics
MetricPRIMSUNEEME
Revenue growth (1Y) 5.1% 10.3% 22.1%
Revenue CAGR (3Y) 11.3% -1.8% 17.9%
Gross profit growth (1Y) -20.1% 9.4% 23.4%
Gross profit CAGR (3Y) 3.6% 0.7% 26.4%
Operating income growth (1Y) -44.8% 61.0% 35.5%
Operating income CAGR (3Y) -0.8% 20.1% 39.4%
Net income growth (1Y) -42.1% 77.5% 36.6%
Net income CAGR (3Y) 3.8% 28.1% 41.2%
EPS growth (1Y) -41.2% 89.4% 37.8%
EPS CAGR (3Y) 4.0% 94.2% 44.2%
Operating cash flow growth (1Y) -70.8% 72.3% 29.2%
Operating cash flow CAGR (3Y) 27.6% -0.9% 29.9%
Free cash flow growth (1Y) -82.4% 71.7% –
Free cash flow CAGR (3Y) 57.9% 6.9% –

Profitability

14 metrics
MetricPRIMSUNEEME
Gross margin 8.6% 35.7% –
EBITDA margin 4.3% -3.8% –
Operating margin 2.9% -7.9% –
Pretax margin 2.6% -8.4% –
Net margin 1.9% -8.5% –
FCF margin 1.2% -2.9% –
Operating cash flow margin 2.7% -2.9% 8.1%
Return on equity 8.5% -25.6% 36.9%
Return on assets 3.2% -12.9% 14.4%
Return on invested capital 7.0% -18.9% –
Return on capital employed 8.2% -18.2% –
Asset turnover 1.6x 1.5x 1.9x
Cash conversion (OCF / net income) 1.4x 0.3x 1.0x
Stock comp / revenue 0.3% 0.1% 0.1%

Financial Health

11 metrics
MetricPRIMSUNEEME
Debt / assets 17.2% 11.8% –
Debt / equity 0.5x 0.2x –
Net debt / EBITDA 1.8x -0.8x –
Debt / FCF 9.1x -2.7x –
Liabilities / assets 65.4% 49.8% 61.9%
Equity / assets 34.6% 50.2% 38.1%
Interest coverage – -8.1x –
Current ratio 1.2x 0.8x 1.2x
Quick ratio 1.1x 0.5x –
Cash ratio 0.1x 0.2x –
Altman Z-score 3.03 -0.67 –

Shareholder Returns

7 metrics
MetricPRIMSUNEEME
Dividend yield 0.4% – 0.2%
Net buyback yield – -19.6% –
Shareholder yield 0.4% -19.6% 0.2%
Payout ratio (earnings) 12.5% – –
Payout ratio (FCF) 19.8% – –
Dividend growth (1Y) 15.4% – –
Dividend CAGR (3Y) 10.9% – –

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.

ConsensusPRIMSUNEEME
Forward P/E 33.5xFY2026 – 19.9xFY2026
EPS, next fiscal year $2.26FY2026 $-120,381.72FY2024 $34.73FY2026
EPS growth, next FY -59.8%FY2026 – +34.2%FY2026
EPS growth, the year after +117.7% – +10.7%
Revenue, next fiscal year $6.78BFY2026 – $19.07BFY2026
Revenue growth, next FY -10.4%FY2026 – +12.2%FY2026
Revenue growth, the year after +13.0% – +13.1%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersPRIMSUNEEME
Held by institutions 100.0% – 93.1%
Institutions holding 446 – 1,236
Change in shares held, QoQ +1.5% – -0.1%
Institutions buying 244 – 660
Institutions selling 159 – 419
Buyers to sellers 1.53 – 1.58

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.

PRIMSUNEEME
PRIM 1.00 0.03 0.43
SUNE 0.03 1.00 0.10
EME 0.43 0.10 1.00

Add a Peer

Largest companies in the same industry

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Frequently Asked Questions

Which is bigger, PRIM, SUNE and EME?

Emcor (EME) is the largest by market capitalisation: Primoris Services (PRIM) $3.85B, SUNation Energy (SUNE) $12.90M, Emcor (EME) $29.86B.

Which stock is cheaper, PRIM, SUNE and EME?

Emcor (EME) trades on the lowest price-to-earnings ratio (Primoris Services (PRIM) 27.6x, SUNation Energy (SUNE) -2.5x, Emcor (EME) 19.3x). On next year's consensus earnings, Emcor (EME) is cheapest (Primoris Services (PRIM) 33.5x, Emcor (EME) 19.9x). 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: Primoris Services (PRIM) +5.1%, SUNation Energy (SUNE) +10.3%, Emcor (EME) +22.1%.

Which company is more profitable?

Primoris Services (PRIM) has the highest net margin (Primoris Services (PRIM) 1.9%, SUNation Energy (SUNE) -8.5%). On return on invested capital, Primoris Services (PRIM) leads (Primoris Services (PRIM) 7.0%, SUNation Energy (SUNE) -18.9%).

Which stock has performed better?

Over the past year SUNation Energy (SUNE) returned the most: Primoris Services (PRIM) -47.6%, SUNation Energy (SUNE) +45.2%, Emcor (EME) -11.2%. Over five years, Emcor (EME) compounded fastest (Primoris Services (PRIM) +22.9%/yr, Emcor (EME) +41.6%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Only one of these companies pays a dividend: Primoris Services (PRIM) 0.00%, SUNation Energy (SUNE) 0.00%, Emcor (EME) 0.00%. SUNation Energy (SUNE) and Emcor (EME) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, Emcor (EME) has been the steadiest (Primoris Services (PRIM) 94.7%, SUNation Energy (SUNE) 232.9%, Emcor (EME) 45.4%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, PRIM, SUNE and EME?

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.