MasTec, Inc. engages in the provision of infrastructure construction services. The company is headquartered in Coral Gables, Florida and currently employs 32,000 full-time employees. The firm's segments include Communications, Clean Energy and Infrastructure, Oil and Gas, Power Delivery, and Other. Its Communications segment provides engineering, construction, maintenance and customer fulfillment activities related to communications infrastructure. Its Clean Energy and Infrastructure segment primarily serves energy, utility, government and other end-markets through the installation and construction of power generation facilities, primarily from clean energy and renewable sources. Oil and Gas segment provides engineering, construction and maintenance services for pipelines and processing facilities for the energy and utilities industries. Its Power Delivery segment serves the energy and utility industries through the engineering, construction and maintenance of power transmission and distribution infrastructure, including electrical and gas transmission lines, distribution network systems and substations.