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Valued at $51.1 billion by market cap, Houston, Texas-based Quanta Services, Inc. (PWR) operates as a leading contractor of infrastructure construction for electric & gas utilities, renewable energy, communications, and pipeline. The company’s operations span across North America and internationally.
The engineering and construction giant has significantly outpaced the broader market over the past year, PWR stock has soared 28.9% over the past 52 weeks and 9.2% on a YTD basis, compared to the S&P 500 Index’s ($SPX) 11.9% surge over the past year and 1% uptick in 2025.