LETTER 1 filename1.txt June 14, 2005 Mail Stop 0306 Mack V. Traynor, III Chief Executive Officer and President HEI, Inc. Post Office Box 5000 1495 Steiger Lake Lane Victoria, Minnesota 55386 Via U S Mail and FAX [ (952) 443-2668 ] Re: HEI, Inc. Form 10-K for the fiscal year ended August 31, 2004 Forms 10-Q for the fiscal quarter ended November 27, 2004 and February 26, 2005 File No. 0-10078 Dear Mr. Traynor: 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 ?? ?? ?? ??