Quanta Services is a U.S. corporation that provides infrastructure services for the electric power, pipeline, industrial and communications industries. Its capabilities include planning, design, installation, program management, maintenance and repair of most types of network infrastructure. In June 2009, Quanta Services was added to the S&P 500 index, replacing Ingersoll-Rand. Quanta Services employs about 40,000. Its operating companies achieved combined revenues of about $20.9 billion in 2023. It is headquartered in Houston, Texas. In 1998, Quanta went public on the New York Stock Exchange under the ticker symbol PWR. Wikipedia