EXHIBIT 32.1
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             CERTIFICATION PURSUANT TO 18 U.S.C. SS.1350, AS ADOPTED
              PURSUANT TO SS.906 OF THE SARBANES-OXLEY ACT OF 2002


       In connection with the quarterly report of Spire Corporation (the
"Company") on Form 10-QSB/A (the "Report") for the period ended June 30, 2003 as
filed with the Securities and Exchange Commission on the date hereof, I, Roger
G. Little, President, Chief Executive Officer and Chairman of the Board of the
Company, certify, pursuant to 18 U.S.C. ss.1350, as adopted pursuant to ss.906
of the Sarbanes-Oxley Act of 2002, that:

       (1)  the Report fully complies with the requirements of Section 13(a) or
            15(d) of the Securities Exchange Act of 1934; and

       (2)  the information contained in the report fairly presents, in all
            material respects, the financial condition and results of operations
            of the Company.


Dated: December 31, 2003                  By: /s/ Roger G. Little
                                              ----------------------------------
                                              Roger G. Little
                                              President, Chief Executive Officer
                                              and Chairman of the Board



       A signed original of this written statement required by Section 906, or
other document authenticating, acknowledging, or otherwise adopting the
signatures that appear in typed form within the electronic version of this
written statement required by Section 906, has been provided to the Company and
will be retained by the Company and furnished to the Securities and Exchange
Commission or its staff upon request.