U.S. SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

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                                    FORM 8-K

                                 CURRENT REPORT
     PURSUANT TO SECTION 13 or 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

         Date of Report (Date of earliest event reported) August 5, 2003
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                      WILSON GREATBATCH TECHNOLOGIES, INC.
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             (Exact name of registrant as specified in its charter)

        Delaware                       1-16137                   16-1531026
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(State or other jurisdiction   (Commission File Number)        (IRS Employer
    of incorporation)                                        Identification No.)

        9645 Wehrle Drive, Clarence, New York                       14031
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      (Address of principal executive offices)                    (Zip Code)

        Registrant's telephone number, including area code (716) 759-6901
                                                           --------------

                                 Not Applicable
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            (Former name or former address, if changed since last report)




ITEM 9. REGULATION FD DISCLOSURE

      On August 5, 2003,  Wilson  Greatbatch  Technologies,  Inc. issued a press
      release  announcing  the Company's  earnings for the fiscal  quarter ended
      July 4, 2003.  A copy of the release is  furnished  with this report as an
      exhibit pursuant to Item 12 under Item 9 of this Form 8-K.




                                   SIGNATURES

      Pursuant to the  requirements of the Securities  Exchange Act of 1934, the
Registrant  has duly  caused  this  report  to be  signed  on its  behalf by the
undersigned, thereunto duly authorized.

Dated: August 5, 2003                    Wilson Greatbatch Technologies, Inc.

                                         By  /s/ Lawrence P. Reinhold
                                             -----------------------------------
                                             Lawrence P. Reinhold
                                             Executive Vice President and
                                             Chief Financial Officer
                                             (Principal Financial and Accounting
                                             Officer)




EXHIBIT
NUMBER            DESCRIPTION
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99.1              Earnings Release of Wilson Greatbatch Technologies, Inc. dated
                  August 5, 2003.