STEVENSON, Md.--(BUSINESS WIRE)--The securities litigation law firm of Brower Piven, A Professional Corporation, announces that a class action lawsuit has been commenced in the United States District Court for the Southern District of Florida on behalf of purchasers of MasTec, Inc. (“MasTec” or the “Company”) (NYSE: MTZ) securities during the period between August 12, 2014, and March 17, 2015, inclusive (the “Class Period”). Investors who wish to become proactively involved in the litigation ha