MASTEC INC. is one of the largest providers of construction services to thetelecommunications industry in the United States. The Company''s principalbusiness consists of the installation and maintenance of aerial, underground and buried copper and fiber optic cable, underground conduit, manhole systems and relatessed construction for local telephone companies, including Regional Bell Operating Companies such as BellSouth Telecommunications, Inc., U.S. West, Inc. and SBC Communications, Inc., and non-Bell local telephone companies such as Sprint Corp., and GTE Corp.