EXHIBIT 16.1 May 24, 2004 Securities and Exchange Commission Washington, D.C. 20549 Re: Trans-Industries, Inc. File No. 0-4539 Dear Sir or Madam: We have read Item 4 of the Form 8-K of Trans-Industries, Inc. dated May 24, 2004, and agree with the statements concerning our Firm contained therein. Very truly yours, /s/ Grant Thornton LLP 5