<PAGE>

                                                                     Exhibit 4.4

                                                          FEDERAL IDENTIFICATION
                                                               NO. 04-2777507
                                                                   ----------
                       The Commonwealth of Massachusetts
                            William Francis Galvin
                         Secretary of the Commonwealth
             One Ashburton Place, Boston, Massachusetts 02108-1512


                             ARTICLES OF AMENDMENT
                   (General Laws, Chapter 156B, Section 72)

    We,    John A. Pino                              ,  * President
          ------------------------------------------

    and    Jeffrey B. Lavin                           , * Clerk
          ------------------------------------------


    of     ACT Manufacturing, Inc.                                 ,
          --------------------------------------------------------
                          (Exact name of corporation)

    located at:     2 Cabot Road, Hudson,  MA 01749               ,
               ---------------------------------------------------
               (Street address of corporation in Massachusetts)

    certify that these Articles of Amendment affecting articles numbered:


                3
    ---------------------------------------------------------------------
         (Number those articles 1, 2, 3, 4, 5, and/or 6 being amended)

    of the Articles of Organization were duly adopted at a meeting held on May
    15, 2000, by vote of:
<TABLE>
<CAPTION>
    <S>                    <C>                                <C>
    14,822,413  shares of  Common Stock, $.01 par value   of  16,654,828  shares outstanding,
    -----------            ------------------------------     ----------
                           (type, class & series, if any)

                shares of                                 of              shares outstanding, and
    -----------            ------------------------------     ----------
                           (type, class & series, if any)

                shares of                                 of              shares outstanding.
    -----------            ------------------------------     ----------
                           (type, class & series, if any)
</TABLE>




1**being at least a majority of each type, class or series outstanding and
    entitled to vote thereon

*Delete the inapplicable words.            ** Delete the inapplicable clause.

1 For amendments adopted pursuant to Chapter 156B, Section 70.
2 For amendments adopted pursuant to Chapter 156B, Section 71.

Note: If the space provided under any article or item on this form is
insufficient, additions shall be set forth on one side only of separate 8 1/2 x
11 sheets of paper with a left margin of at least 1 inch. Additions to more than
one article may be made on a single sheet so long as each article requiring each
addition is clearly indicated.
<PAGE>

To change the number of shares and the par value (if any) of any type, class or
series of stock which the corporation is authorized to issue, fill in the
following:

The total presently authorized is:

<TABLE>
<CAPTION>

----------------------------------------------------------------------------------------------------------------------
 WITHOUT PAR VALUE STOCKS                                        WITH PAR VALUE STOCKS
----------------------------------------------------------------------------------------------------------------------
  TYPE                   NUMBER OF SHARES           TYPE         NUMBER OF SHARES                      PAR VALUE
----------------------------------------------------------------------------------------------------------------------
<S>                      <C>                      <C>            <C>                                   <C>
Common:                          0                Common:        50,000,000                               $.01
----------------------------------------------------------------------------------------------------------------------

----------------------------------------------------------------------------------------------------------------------
Preferred:                       0                Preferred:     5,000,000                                $.01
----------------------------------------------------------------------------------------------------------------------

----------------------------------------------------------------------------------------------------------------------
</TABLE>



Change the total authorized to:

<TABLE>
<CAPTION>
----------------------------------------------------------------------------------------------------------------------
WITHOUT PAR VALUE STOCKS                                        WITH PAR VALUE STOCKS
----------------------------------------------------------------------------------------------------------------------
  TYPE                   NUMBER OF SHARES         TYPE          NUMBER OF SHARES                      PAR VALUE
----------------------------------------------------------------------------------------------------------------------
<S>                      <C>                     <C>            <C>                                   <C>
Common:                         0                Common:        100,000,000                              $.01
----------------------------------------------------------------------------------------------------------------------

----------------------------------------------------------------------------------------------------------------------
Preferred:                      0                Preferred:     5,000,000                                $.01
----------------------------------------------------------------------------------------------------------------------

----------------------------------------------------------------------------------------------------------------------
</TABLE>
<PAGE>

The foregoing amendment(s) will become effective when these Articles of
Amendment are filed in accordance with General Laws, Chapter 156B, Section 6
unless these articles specify, in accordance with the vote adopting the
amendment, a later effective date not more than thirty days after such filing,
in which event the amendment will become effective on such later date.

Later effective date:
                     --------------------------

SIGNED UNDER THE PENALTIES OF PERJURY, this 15th day of May, 2000.
                                            ----        ---------

/s/ John A. Pino                                                  , *President
-------------------------------------------------------------------

/s/ Jeffrey B. Lavin                                              , *Clerk
-------------------------------------------------------------------

*Delete the inapplicable words.
<PAGE>

                        THE COMMONWEALTH OF MASSACHUSETTS


                              ARTICLES OF AMENDMENT
                    (General Laws, Chapter 156B, Section 72)


--------------------------------------------------------------------------------

I hereby approve the within Articles of Amendment, and the filing fee in the
amount of $50,000 having been paid, said article is deemed to have been filed
with me this 17th day of May, 2000.




Effective date: ____________________________________________







                          /s/ William Francis Galvin

                            WILLIAM FRANCIS GALVIN

                         Secretary of the Commonwealth









                        TO BE FILLED IN BY CORPORATION

                     Photocopy of document to be sent to:


                        Kelly R. Whiting, Esq.
              ---------------------------------------------------
                        Testa, Hurwitz & Thibeault, LLP
              ---------------------------------------------------
                        High Street Tower
              ---------------------------------------------------
                        125 High Street
              ---------------------------------------------------
                        Boston, MA 02110
              ---------------------------------------------------