10-K/A

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                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549
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                                   FORM 10-K/A
                                 Amendment No. 1


x        ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES
         EXCHANGE ACT OF 1934


                     For the fiscal year ended July 31, 1999

                                       OR


_        TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES
         EXCHANGE ACT OF 1934

For the transition period from _______________ to _______________


                         Commission File Number 0-21695

                         MANCHESTER EQUIPMENT CO., INC.
             (Exact name of Registrant as specified in its charter)

         New York                                      11-2312854
 (State or other jurisdiction of                  (I.R.S. Employer
  incorporation or organization)                   I. D. Number)

            160 Oser Avenue                             11788
          Hauppauge, New York                        (Zip Code)
   (Address of principal executive offices)


       Registrant's telephone number, including area code: (516) 435-1199

           Securities registered pursuant to Section 12(b) of the Act:
                                      None

           Securities registered pursuant to Section 12(g) of the Act:
                          Common Stock, $.01 par value
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Indicate by check mark  whether the  Registrant  (1) has filed all reports to be
filed by Section 13 or 15(d) of the  Securities  Exchange Act of 1934 during the
preceding 12 months (or for such shorter period that the Registrant was required
to file such reports),  and (2) has been subject to such filing requirements for
the past 90 days: YES __X__ NO _____

Indicate by check mark if the disclosure of delinquent  filers  pursuant to Item
405 of Regulation S-K is not contained herein, and will not be contained, to the
best of Registrant's  knowledge,  in definitive proxy or information  statements
incorporated by reference in Part III of this Form 10-K or any amendment to this
Form 10-K. [ X]

The  aggregate  market value of the voting stock held by  non-affiliates  of the
Registrant as of October 12, 1999 was $8,193,408  (2,731,136 shares at a closing
sale price of $3.00).

As of October 12, 1999, 8,084,800 shares of Common Stock ($.01 par value) of the
Registrant were issued and outstanding.
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                       DOCUMENTS INCORPORATED BY REFERENCE
                                      None

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EX-23.1

                          Independent Auditors' Consent


The Board of Directors
Manchester Equipment Company, Inc.:


We consent to the incorporation by reference in the registration  statement (No.
333-71255)  on Form S-8 of  Manchester  Equipment  Co., Inc. of our report dated
September 20, 1999,  relating to the  consolidated  balance sheets of Manchester
Equipment  Co.,  Inc.  and  subsidiaries  as of July 31, 1999 and 1998,  and the
related consolidated  statements of income,  shareholders' equity and cash flows
for each of the years in the three-year period ended July 31, 1999, which report
appears  in the  July 31,  1999  annual  reports  on Forms  10-K and  10-K/A  of
Manchester Equipment Co., Inc.

                                                 /s/ KPMG LLP
                                                 ------------
                                                  KPMG LLP


Melville, New York
December 16, 1999