EXHIBIT 99.3


                               [GRAPHIC OMITTED]

NEWS
For Immediate Release                          From MasTec, Inc.
June 18, 1998                                  3155 N.W. 77th Avenue, Suite 135
                                               Miami, Florida 33122-1205
                                               Tel :   (305) 599-1800
                                               Fax :   (305) 406-1908
                                               For more information contact:
                                               Henry N. Adorno
                                               Executive Vice President

              MASTEC ANNOUNCES ACQUISITION OF ARTCOM SERVICES, INC.
                                 IN PUERTO RICO

         Miami, Fl. - MasTec, Inc. (NYSE: MTZ) announced today the acquisition
of Artcom Services, Inc. of San Juan, Puerto Rico, a company engaged in
providing telecommunications engineering, design, construction, testing,
maintenance, and direct access installations. Artcom operates throughout the
island of Puerto Rico providing these services to a number of clients
principally The Puerto Rico Telephone Company.

         "This continues our effort to be strategically located throughout the
world, in areas where the opportunity for growth is significant," said Jorge
Mas, Chairman & CEO of MasTec, Inc.

         Opening  the Lines of  Communications  worldwide,  MasTec is one of the
world's leading telecommunications and related infrastructure service providers,
servicing  clients  throughout the United States,  Latin America and Spain.  For
more information on MasTec, please see our Web page at http://www.mastec.com.

         CERTAIN STATEMENTS IN THIS PRESS RELEASE ARE FORWARD-LOOKING, SUCH AS
STATEMENTS REGARDING THE COMPANY'S FUTURE GROWTH AND PROFITABILITY. THESE
FORWARD LOOKING STATEMENTS ARE BASED ON THE COMPANY'S CURRENT EXPECTATIONS AND
ARE SUBJECT TO A NUMBER OF RISKS AND UNCERTAINTIES THAT COULD CAUSE ACTUAL
RESULTS IN THE FUTURE TO DIFFER SIGNIFICANTLY FROM RESULTS EXPRESSED OR IMPLIED
IN ANY FORWARD-LOOKING STATEMENTS INCLUDED IN THIS PRESS RELEASE. THESE RISKS
AND UNCERTAINTIES INCLUDE, BUT ARE NOT LIMITED TO, THE COMPANY'S RELATIONSHIP
WITH KEY CUSTOMERS, IMPLEMENTATION OF THE COMPANY'S GROWTH STRATEGY, AND
SEASONALITY. THESE AND OTHER RISKS ARE DETAILED IN THIS PRESS RELEASE AND IN
OTHER DOCUMENTS FILED BY THE COMPANY WITH THE SECURITIES AND EXCHANGE
COMMISSION.

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