Exhibit 10.18


                                    ADDENDUM
                   MERGERS AND ACQUISITIONS ADVISORY AGREEMENT

         THIS ADDENDUM (the "Addendum") to the MERGERS AND ACQUISTIONS ADVISORY
AGREEMENT, dated as of April 1, 2005 (the "M&A Agreement"), by and between
Ridgefield Acquisition Corp., a Colorado corporation, having an address at 100
Mill Plain Road, Danbury, Connecticut 06811 (hereinafter referred to as the
"Company"), and Catalyst Financial LLC, a New York limited liability company,
having an address at 100 Mill Plain Road, Danbury, Connecticut 06811
(hereinafter referred to as the "Consultant") is made as of the 1st day of
February 2006.

         WHEREAS, the Company and the Consultant have agreed to amend the M&A
Agreement in accordance with the terms and conditions set forth in this
Addendum.

         NOW, THEREFORE, in consideration of the mutual promises set forth
herein, the parties hereto agree as follows:

         1.       That paragraph 3. A. (Monthly Fee) of the M&A Agreement shall
                  be amended to provided that monthly fee payable by the Company
                  to the Consultant during the one year period from February 1,
                  2006 though January 31, 2007 shall be increased from $1,000
                  per month to $5,000 per month. Accordingly, during the one
                  year period from February 1, 2006 though January 1, 2007, the
                  Company shall pay a monthly fee in the amount of $5,000.00 to
                  Consultant on the first day of each month commencing on
                  February 1, 2006 and continuing through January 1, 2007.
                  Thereafter, the Company shall pay a monthly fee in the amount
                  of $1,000.00 to Consultant on the first day of each month
                  commencing on February 1, 2007 and continuing through March 1,
                  2008.

         2.       All of the other remaining terms and conditions set forth in
                  the M&A Agreement shall remain in full force and effect.

         3.       This Addendum may be executed in any number of counterparts,
                  including facsimile signatures, which shall be deemed as
                  original signatures. All executed counterparts shall
                  constitute one Agreement, notwithstanding that all signatories
                  are not signatories to the original or the same counterpart.

         IN WITNESS WHEREOF, the parties hereto have executed this Agreement as
of the date first above written.

RIDGEFIELD ACQUISITION CORP.                CONSULTANT

By: /s/ Leonard Hagan                       By: /s/ Steven N. Bronson
    ___________________________                 ___________________________
    Leonard Hagan, Director                     Steven N. Bronson, President
    Ridgefield Acquisition Corp.                Catalyst Financial LLC