Quanta Services
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 →- #1Quanta ServicesPWR$101.0B
- #2Comfort Systems UsaFIX$60.1B
- #3EMCOR GroupEME$34.3B
- #4IESIESC$12.0B
- #5ArganAGX$5.59B
What if Quanta Services were worth as much as…
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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.