PWR vs EME

For growth investors, Quanta Services, Inc.

(PWR) is the stronger pick with 19. 8% revenue growth year-over-year, versus 16. 6% for EMCOR Group, Inc. (EME). EMCOR Group, Inc. (EME) offers the better valuation at 32. 8x trailing P/E (31. 6x forward), making it the more compelling value choice. Analysts rate Quanta Services, Inc. (PWR) a "Buy" — based on 35 analyst ratings — the highest consensus in this comparison. The "better buy" depends entirely on your goals: growth investors should weight revenue trajectory, value investors should weight P/E and PEG, and income investors should weight dividend yield and streak.

On trailing P/E, EMCOR Group, Inc.

(EME) is the cheapest at 32. 8x versus Quanta Services, Inc. at 110. 4x. On forward P/E, EMCOR Group, Inc. is actually cheaper at 31. 6x. The PEG ratio (P/E divided by earnings growth rate) is the most growth-adjusted single valuation metric: EMCOR Group, Inc. wins at 0. 50x versus Quanta Services, Inc. 's 3. 33x — a PEG below 1. 0 traditionally signals the market is underpricing earnings growth.

Over the past 5 years, Quanta Services, Inc.

(PWR) delivered a total return of +651. 1%, compared to +640. 8% for EMCOR Group, Inc. (EME). Over 10 years, the gap is even starker: PWR returned +31. 4% versus EME's +1863%. Past returns do not guarantee future results, and the stock with the higher historical return may already have its best growth priced in.

By beta (market sensitivity over 5 years), Quanta Services, Inc.

(PWR) is the lower-risk stock at 1. 30β versus EMCOR Group, Inc. 's 1. 64β — meaning EME is approximately 26% more volatile than PWR relative to the S&P 500. On balance sheet safety, Quanta Services, Inc. (PWR) carries a lower debt/equity ratio of 13% versus 23% for EMCOR Group, Inc. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Quanta Services, Inc.

(PWR) is pulling ahead at 19. 8% versus 16. 6% for EMCOR Group, Inc. (EME). On earnings-per-share growth, the picture is similar: EMCOR Group, Inc. grew EPS 31. 0% year-over-year, compared to 12. 8% for Quanta Services, Inc.. Over a 3-year CAGR, PWR leads at 18. 4% annualised revenue growth. Higher growth typically commands a higher valuation multiple — check whether the premium P/E or P/S is justified by the growth rate using the PEG ratio.

EMCOR Group, Inc.

(EME) is the more profitable company, earning 7. 5% net margin versus 3. 6% for Quanta Services, Inc. — meaning it keeps 7. 5% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: EME leads at 9. 8% versus 5. 8% for PWR. At the gross margin level — before operating expenses — EME leads at 19. 6%, reflecting greater pricing power or product mix advantage. Stronger margins indicate durable pricing power, lower cost of revenue, or higher mix of software/services. They are one of the clearest signs of business quality.

The PEG ratio (forward P/E divided by expected earnings growth rate) is the most precise measure of undervaluation relative to growth potential.

By this metric, EMCOR Group, Inc. (EME) is the more undervalued stock at a PEG of 0. 50x versus Quanta Services, Inc. 's 3. 33x. A PEG below 1. 0 is traditionally considered the threshold for growth-adjusted undervaluation. On forward earnings alone, EMCOR Group, Inc. (EME) trades at 31. 6x forward P/E versus 57. 4x for Quanta Services, Inc. — 25. 8x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for EME: 0. 8% to $931. 50.

In this comparison, EME (0.

1% yield) pays a dividend. PWR does not pay a meaningful dividend and should not be held primarily for income.

For long-horizon retirement investors, EMCOR Group, Inc.

(EME) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (+1863% 10Y return). Both have compounded well over 10 years (EME: +1863%, PWR: +31. 4%), confirming both are viable long-term holds — but the lower-volatility option typically results in less emotional selling during corrections. Retirement portfolios generally favour predictability over maximum returns. Consult a financial advisor before making allocation decisions.

Both stocks operate in the Industrials sector, making this a peer-level intra-sector comparison — the same macro tailwinds and headwinds will affect both.

These fundamental differences mean investors should not choose between them on a single metric — the "better stock" depends entirely on which of these characteristics aligns with your investment strategy.