Mail Stop 7010 February 6, 2006 Via U.S. mail and facsimile Mr. Lorenzo H. Zambrano Chief Executive Officer, CEMEX, S.A. de C.V. Av. Ricardo Margain Zozaya #325 Colonia Valle del Campestre Garza Garcia, Nuevo Leon, Mexico 66265 RE: Form 20-F for the fiscal year ended December 31, 2004 File No. 1-14946 Dear Mr. Zambrano: We have completed our review of your Form 20-F and have no further comments at this time. If you have any further questions regarding our review of your filings, please direct them to Marie Trimeloni, Staff Accountant, at (202) 551-3734 or, in her absence, to the undersigned at (202) 551- 3769. Sincerely, Rufus Decker Accounting Branch Chief ?? ?? ?? ?? Mr. J. Gordon Beittenmiller March 25, 2005 Page 2 of 1 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549-7010 DIVISION OF CORPORATION FINANCE