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Valued at $67.8 billion by market cap, Quanta Services, Inc. (PWR) is a leading infrastructure solutions provider specializing in the design, construction, repair, and maintenance of critical electric power, renewable energy, communications, and pipeline utility systems. Headquartered in Houston, the company operates across North America with a large skilled workforce and plays a key role in supporting power-grid modernization, clean-energy expansion, and utility-infrastructure upgrades.
Companies worth $10 billion or more are generally described as “large-cap stocks,” and PWR perfectly fits that description, with its market cap exceeding this mark, underscoring its size, influence, and dominance within the engineering & construction industry. With diversified capabilities across electric transmission and distribution, renewable energy projects, and underground pipeline services, Quanta is positioned as a major contractor driving the energy-transition and utility infrastructure development.