TotalMarketCap

Market cap

$100.970 B

$685.33 -2.25%

Close of 9 Oct 2026

As of 9 Oct 2026, Quanta Services (PWR) has a market capitalization of $101.0B. Market cap measures the value of outstanding equity at market prices; company totals combine applicable share classes. Prices and market caps come from Nasdaq, with financial fundamentals from SEC filings. See sources and calculation details.

Revenue

$23.7B

#184 by revenue

Earnings

$1.04B

#384 by earnings

Shares outstanding

150,343,393

Latest filing cover page

P/E ratio

96.9

Cap ÷ net income

Engineering & Construction, ranked by market cap

All 20 →
  1. #1Quanta ServicesPWR$101.0B
  2. #2Comfort Systems UsaFIX$60.1B
  3. #3EMCOR GroupEME$34.3B
  4. #4IESIESC$12.0B
  5. #5ArganAGX$5.59B

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Where these numbers come from

Share counts and financials for Quanta Services are taken from its own SEC filings via EDGAR: public record, not an estimate. Market cap is shares outstanding multiplied by the latest close. Last updated 10 Oct 2026. Read the methodology.