Market cap
$17.900 B
$222.90 +3.97%
Close of 21 Sept 2026
Revenue
$14.3B
#317 by revenue
Earnings
$399.0M
#716 by earnings
Shares outstanding
80,304,948
Latest filing cover page
P/E ratio
44.9
Cap ÷ net income
Water Sewer Pipeline Comm & Power Line Construction, ranked by market cap
All 8 →What if Mastec were worth as much as…
Open the what-if tool →Where these numbers come from
Share counts and financials for Mastec 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 22 Sept 2026. Read the methodology.