<PAGE>
Filed pursuant to Rule 424(b)(3)
Registration No. 333-41406
Prospectus Supplement
(To Prospectus dated August 4, 2000)
[ACT LOGO APPEARS HERE]
$100,000,000
7% CONVERTIBLE SUBORDINATED NOTES DUE APRIL 15, 2007
AND THE COMMON STOCK ISSUABLE UPON CONVERSION OF THE NOTES
________________
This prospectus supplement relates to the resale by the holders of ACT
Manufacturing, Inc. 7% Convertible Subordinated Notes Due April 15, 2007 and the
shares of common stock, $.01 par value per share, issuable upon the conversion
of the notes.
This prospectus supplement should be read in conjunction with, and may not
be delivered or utilized without, the prospectus dated August 4, 2000, including
any amendments or supplements thereto. The terms of the notes are set forth in
the prospectus.
The information in the table appearing under the heading "Selling
Securityholders" in the prospectus is amended by adding the information below
with respect to persons not previously listed in the prospectus or in any
amendments or supplements thereto, and by superceding the information with
respect to persons previously listed in the prospectus or in any amendments or
supplements thereto that are listed below:
<TABLE>
<CAPTION>
Principal Amount at
Maturity of Notes Number of Shares of
Beneficially Owned That Percentage of Notes Common Stock
Name May Be Sold Outstanding That May Be Sold
---- ----------- ----------- ----------------
<S> <C> <C> <C>
Delaware PERS $1,325,000 1.3250% 30,885
LLT Limited 250,000 0.2500% 5,827
Southport Management Partners L.P. 300,000 0.3000% 6,993
Southport Partners International Ltd. 1,250,000 1.2500% 29,137
Zurich HFR Master Hedge Fund Index Ltd. 200,000 0.2000% 4,662
</TABLE>
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The Date Of This Prospectus Supplement Is January 5, 2001.
