About MasTec

Three Phase Line Construction
a MasTec Company

In 2007, MasTec Inc. acquired Three Phase Line Construction, a leading electric utility construction and services company. The acquisition linked Three Phase’s winning culture with world-class financial footing and management to expand the company’s operations. MasTec (NYSE: MTZ), certified as a minority-controlled company by the National Minority Suppliers Development Council (NMSDC), is one of the world’s largest infrastructure services providers in the United States.