LETTER 1 filename1.txt Mail Stop 0306 April 6, 2005 Via Facsimile and U.S. Mail Mr. Don R. Madison Vice President and Chief Financial Officer Powell Industries, Inc. 8550 Mosley Drive Houston, TX 77075-1180 Re: Powell Industries, Inc. Form 10-K for the fiscal year ended October 31, 2004 Filed January 31, 2005 Form 8-K dated December 15, 2004 File No. 001-12488 Dear Mr. Madison: We have completed our review of your Form 10-K and related filings and do not, at this time, have any further comments. Sincerely, Martin F. James Senior Assistant Chief Accountant