MasTec, Inc., an infrastructure construction company, provides engineering, building, installation, maintenance, and upgrade services for communications, energy, utility, and other infrastructure primarily in the United States and Canada. It operates through five segments: Communications, Oil and Gas, Electrical Transmission, Power Generation and Industrial, and Other. The company builds underground and overhead distribution systems, including trenches, conduits, cell towers, cable, and power lines, which provide wireless and wireline/fiber communications; natural gas, crude oil, and refined product transport pipelines; electrical power generation, transmission, and distribution systems; power generation infrastructure, such as renewable energy; heavy industrial plants; compressor and pump stations, and treatment plants; water and sewer infrastructure, including water pipelines; and other civil construction infrastructure. It also installs electrical and other energy distribution and t