Austin J. Shanfelter Head Of Broadband Unit Assumes New Post MIAMI, March 14 /PRNewswire/ -- MasTec, Inc. (NYSE: MTZ) announced today that Austin J. Shanfelter, has been promoted to the position of Chief Operating Officer of MasTec, Inc. Mr.

MIAMI, March 14 /PRNewswire/ -- MasTec, Inc. (NYSE: MTZ) today announced that the Company's internal and external network service lines have been awarded more than $450 million in new infrastructure contracts over the last several months.

MIAMI, Jan. 3 /PRNewswire/ -- MasTec, Inc. (NYSE: MTZ) announced today that IBM Global Procurement has selected MasTec as a preferred provider of installation and maintenance services for IBM's Rapid Network Deployment Program.