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



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.

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

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

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

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

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

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.

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

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