MasTec brings more tech, communications, and energy to homes, offices, and other places. The company digs the trenches, lays the cable, and builds the towers that power communications and providing cell service and high-speed Internet. The contractor provides infrastructure construction to telecom vendors, wireless providers, cable TV operators, and energy and utility companies. Its projects include wireless, wireline and satellite communications, as well as electrical utility transmission and distribution, power generation, natural gas and petroleum pipeline infrastructure, wind and solar farms, industrial infrastructure, and water and sewer systems. Chairman Jorge Mas and family own a quarter of the company’s stock.