November 10, 2000



Edwin D. Johnson
Mastec Inc.
3155 NW 77th Ave
Miami, FL  33122


RE:     Amended Schedule 13G


Enclosed pursuant to Rule 13d-2(b) under the Securities  Exchange Act of 1934 is
a report on Schedule 13G reporting  beneficial  ownership at October 31, 2000 by
American Express Company and American Express Financial Corporation
in Common Stock of Mastec Inc.


Sincerely,



Steve Turbenson
Director - External Reports and Tax




Enclosure




<PAGE>


                       SECURITIES AND EXCHANGE COMMISSION

                             Washington, D. C. 20549

                                  SCHEDULE 13G


                Under the Securities and Exchange Act of 1934



                                   Mastec Inc.
------------------------------------------------------------------------------
                                (Name of Issuer)

                                  Amendment #2

                                  Common Stock
------------------------------------------------------------------------------
                         (Title of Class of Securities)



                                 576323-10-9
------------------------------------------------------------------------------
                                 (CUSIP Number)






The  information  required in the remainder of this cover page (except any items
to which the form provides a cross-reference)  shall not be deemed to be "filed"
for the purpose of Section 18 of the Securities  Exchange Act of 1934 ("Act") or
otherwise  subject to the  liabilities  of that  section of the Act but shall be
subject to all other provisions of the Act.






<PAGE>


                              CUSIP NO. 576323-10-9


1)   Name of Reporting Person               American Express Company

     S.S. or I.R.S. Identification          IRS No. 13-4922250
     No. of Above Person

------------------------------------------------------------------------------

2)   Check the Appropriate Box                  (a)               
                                                --------------------
     if a Member of a Group                     (b) X - Joint Filing
                                                 -------------------
 

------------------------------------------------------------------------------

3)   SEC Use Only

------------------------------------------------------------------------------

4)   Citizenship or Place of Organization       New York

      NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
     (5)                Sole Voting Power             -0-         
     (6)                Shared Voting Power           14,625              
     (7)                Sole Dispositive Power        -0-         
     (8)                Shared Dispositive Power      2,067,761   

------------------------------------------------------------------------------

9)   Aggregate Amount Beneficially
     Owned by Each Reporting Person             2,067,761

------------------------------------------------------------------------------

10)  Check if the Aggregate Amount in
     Row (9) Excludes Certain Shares            Not Applicable

------------------------------------------------------------------------------

11)  Percent of Class Represented by
     Amount In Row (9)                          4.4%

------------------------------------------------------------------------------

12)  Type of Reporting Person                   CO, HC

------------------------------------------------------------------------------





<PAGE>


                              CUSIP NO. 576323-10-9


1)   Name of Reporting Person            American Express Financial Corporation

     S.S. or I.R.S. Identification       IRS No. 13-3180631
     No. of Above Person

------------------------------------------------------------------------------

2)   Check the Appropriate Box                  (a)               
                                                --------------------
     if a Member of a Group                     (b) X - Joint Filing
                                                --------------------
 

------------------------------------------------------------------------------

3)   SEC Use Only

------------------------------------------------------------------------------

4)   Citizenship or Place of Organization       Delaware

      NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
     (5)                   Sole Voting Power                      -0-         
     (6)                   Shared Voting Power                    14,625      
     (7)                   Sole Dispositive Power                 -0-         
     (8)                   Shared Dispositive Power               2,067,761   
------------------------------------------------------------------------------

------------------------------------------------------------------------------

9)   Aggregate Amount Beneficially
     Owned by Each Reporting Person             2,067,761

------------------------------------------------------------------------------

10)  Check if the Aggregate Amount in
     Row (9) Excludes Certain Shares            Not Applicable

------------------------------------------------------------------------------

11)  Percent of Class Represented by
     Amount In Row (9)                          4.4%

------------------------------------------------------------------------------

12)  Type of Reporting Person                   CO, IA

------------------------------------------------------------------------------




<PAGE>


1(a)    Name of Issuer:                   Mastec Inc.

1(b)    Address of Issuer's Principal     3155 NW 77th Ave
        Executive Offices:                Miami, FL  33122

2(a)    Name of Person Filing:            American Express Company
                                          American Express Financial
Corporation

2(b)    Address of Principal Business Office:   American Express Company
                                          American Express Tower
                                          200 Vesey Street
                                          New York, NY  10285

                                          American Express Financial
Corporation
                                          200 AXP Financial Center
                                          Minneapolis, MN  55474

2(c)    Citizenship:                      See Item 4 of Cover Page

2(d)    Title of Class of Securities:     Common Stock

2(e)    Cusip Number:                     576323-10-9

3       Information if statement is filed pursuant to Rules 13d-1(b) or
        13d-2(b):
          American Express Company, one of the persons filing this statement, is
          a Parent Holding Company in accordance with Rule 13d-1(b)(ii)(G).

          American Express Financial Corporation, one of the persons filing this
          statement,  is an Investment  Advisor  registered under section 203 of
          the Investment Advisors Act of 1940.

4(a)    Amount Beneficially Owned as of October 31, 2000:   See Item 9 of
        Cover Pages

4(b)    Percent of Class:    See Item 11 of Cover Pages

4(c)    Number of Shares as to which such person has:
        (i) Sole power to vote or to direct the vote: See Item 5 of Cover Pages
        (ii)Shared power to vote or direct the vote: See Item 6 of Cover Pages
        (iii)Sole power to dispose or to direct the disposition of: See Item 7
        of Cover Pages
        (iv)Shared power to dispose or to direct the disposition of: See Item 8 
        of Cover Pages



<PAGE>


5       Ownership of 5% or Less of a Class:
        If this  statement  is  being  filed to  report  the fact as of the date
        hereof the  reporting  person has ceased to be the  beneficial  owner of
        more than five percent of the class of securities, check the following 
        ( X ).

6       Ownership of more than 5% on Behalf of Another Person:

                                 Not Applicable

7       Identification and Classification of the Subsidiary Which Acquired the
        Security Being Reported on by the Parent Holding Company:

                                  See Exhibit I

8       Identification and Classification of Members of the Group:

                                 Not Applicable

9       Notice of Dissolution of Group:

                                 Not Applicable

10      Certification:

          By  signing  below I certify  that,  to the best of my  knowledge  and
      belief,  the  securities  referred to above were  acquired in the ordinary
      course of  business  and were not  acquired  for the purpose of and do not
      have the effect of  changing or  influencing  the control of the issuer of
      such  securities  and  were  not  acquired  in  connection  with  or  as a
      participant in any transaction having such purposes or effect.

          After reasonable inquiry and to the best of my knowledge and belief, I
      certify that the information set forth in this statement is true, complete
      and correct.


                                          American Express Financial
Corporation



Dated:  October 31, 2000                  By       ______________________
                                            -----------------------------
                                             Signature


                                 Steve Turbenson
                                   Director - External Reports and Tax


                                   Telephone: (612)  671-2059



<PAGE>



                                  Exhibit Index


Exhibit I       Identification and Classification of the Subsidiary
                Which Acquired the Security Being Reported
                on by the Parent Holding Company.

Exhibit II      Statement of American Express Company

Exhibit III     Statement of American Express Financial Corporation





<PAGE>


                                    Exhibit I

                                       to

                                  Schedule 13G

     One of the persons filing this statement is a parent holding  company.  The
relevant  subsidiary,   American  Express  Financial  Corporation,   a  Delaware
Corporation, is registered as investment advisor under section 203 of the
Investment Advisors Act of 1940.



<PAGE>


                                   EXHIBIT II

                                       to

                                  SCHEDULE 13G

                                    under the

                         Securities Exchange Act of 1934

American Express Company,  American Express Tower,  World Financial Center,  New
York, New York disclaims  beneficial  ownership of the securities referred to in
the  Schedule  13G to which  this  exhibit is  attached,  and the filing of this
Schedule  13G shall not be  construed  as an  admission  that  American  Express
Company is, for the purpose of Section 13(d) or 13(g) of the Securities Exchange
Act of 1934,  the beneficial  owner of any  securities  covered by this Schedule
13G.

Pursuant to Rule 13d-1(f) (1) and subject to the preceding disclaimer,  American
Express  Company  affirms it is  individually  eligible to use  Schedule 13G and
agrees that this Schedule is filed on its behalf,  and authorizes the President,
any Vice President,  the comptroller,  the Secretary,  the General Counsel,  any
Associate General Counsel or any Counsel, each with power to act singly, of each
subsidiary of American Express Company making this filing to sign this statement
on behalf of American Express Company.


                                   AMERICAN EXPRESS COMPANY



                                   By:____________________________
                                   Name:        Stephen P. Norman
                                   Title:       Secretary



<PAGE>


                                   Exhibit III

                                       to

                                  Schedule 13G

                                    Under the

                         Securities Exchange Act of 1934


     Pursuant  to  Rule  13d-1(f)(1),  American  Express  Financial  Corporation
affirms  that it is  individually  eligible to use  Schedule 13G and agrees that
this Schedule is filed in its behalf.


                                   American Express Financial Corporation


                                        By:                             
                                           Steve Turbenson
                                           Director - External Reports
                                           and Tax