IESC vs PWR

For growth investors, Quanta Services, Inc.

(PWR) is the stronger pick with 19. 8% revenue growth year-over-year, versus 16. 9% for IES Holdings, Inc. (IESC). IES Holdings, Inc. (IESC) offers the better valuation at 44. 9x trailing P/E (38. 4x forward), making it the more compelling value choice. Analysts rate IES Holdings, Inc. (IESC) a "Buy" — based on 1 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, IES Holdings, Inc.

(IESC) is the cheapest at 44. 9x versus Quanta Services, Inc. at 115. 5x. On forward P/E, IES Holdings, Inc. is actually cheaper at 38. 4x. The PEG ratio (P/E divided by earnings growth rate) is the most growth-adjusted single valuation metric: IES Holdings, Inc. wins at 0. 77x versus Quanta Services, Inc. 's 3. 48x — a PEG below 1. 0 traditionally signals the market is underpricing earnings growth.

Over the past 5 years, IES Holdings, Inc.

(IESC) delivered a total return of +1201%, compared to +698. 2% for Quanta Services, Inc. (PWR). Over 10 years, the gap is even starker: IESC returned +52. 9% versus PWR's +32. 3%. 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 IES Holdings, Inc. 's 2. 73β — meaning IESC is approximately 109% 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 18% for IES Holdings, 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. 9% for IES Holdings, Inc. (IESC). On earnings-per-share growth, the picture is similar: IES Holdings, Inc. grew EPS 51. 9% 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.

IES Holdings, Inc.

(IESC) is the more profitable company, earning 9. 1% net margin versus 3. 6% for Quanta Services, Inc. — meaning it keeps 9. 1% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: IESC leads at 11. 4% versus 5. 8% for PWR. At the gross margin level — before operating expenses — IESC leads at 25. 5%, 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, IES Holdings, Inc. (IESC) is the more undervalued stock at a PEG of 0. 77x versus Quanta Services, Inc. 's 3. 48x. A PEG below 1. 0 is traditionally considered the threshold for growth-adjusted undervaluation. On forward earnings alone, IES Holdings, Inc. (IESC) trades at 38. 4x forward P/E versus 60. 0x for Quanta Services, Inc. — 21. 7x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for PWR: -17. 6% to $647. 23.

None of the stocks in this comparison currently pay a material dividend.

All are effectively zero-yield and should be held for capital appreciation rather than income.

For long-horizon retirement investors, Quanta Services, Inc.

(PWR) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding. IES Holdings, Inc. (IESC) carries a higher beta of 2. 73 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (PWR: +32. 3%, IESC: +52. 9%), 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.