Quanta Services, Inc. engages in the provision of comprehensive infrastructure solutions to the electric power, oil and gas, communication, pipeline, and energy industries. The company is headquartered in Houston, Texas and currently employs 58,400 full-time employees. Its segments include Electric Infrastructure Solutions (Electric) and Underground Utility and Infrastructure Solutions (Underground and Infrastructure). Electric provides comprehensive services for electric power, renewable energy, technology and communications markets. Services include design, procurement, new construction, upgrade and repair and maintenance services for electric power transmission and distribution infrastructure, both overhead and underground, and substation facilities, along with other engineering and technical services. The Underground and Infrastructure provides comprehensive infrastructure solutions to customers involved in the transportation, distribution, storage, development and processing of natural gas, oil and other products.