SECOND AGREEMENT OF AMENDMENT TO AGREEMENT to Exchange Stock

The Catapult Group, Inc., a Georgia corporation  ("Catapult") with its principal
place of business in Norcross, GA, the shareholders of Catapult, all of whom are
signatories   hereto   (collectively,   the   "Catapult   Shareholders"),    and
Envirometrics, Inc., a Delaware corporation ("EVRM") with its principal place of
business in  Charleston,  SC.  hereby  agree to amend the Plan and  Agreement to
Exchange  Stock (the  "Agreement")  executed by them as of February  16, 2000 in
accordance with Section 12.8 thereof in the following respects:


1st Amendment

Section 2.3 thereof, as amended, is hereby amended to read as follows, effective
as of the date hereof:

Section 2.3 The Closing.

The "Closing" shall mean the consummation of the exchange of EVRM Shares and the
Catapult  Shares,  as set forth in  Sections  2.1 and 2.2 above,  as well as the
consummation of any other  transactions which are contemplated by this Agreement
to occur at Closing.  Closing  shall take place no later June 30, 2000 or within
Five (5) days  following  the date upon  which all of the  conditions  precedent
contained in Articles 8 and 9 of this Agreement  have  occurred,  at 10:00 a.m.,
local time, at 3475 Lenox Rd. NE, Suite 995, Atlanta, GA 30326, or at such other
time and  place  as the  parties  may  agree in  writing.  The date the  Closing
actually occurs is the "Closing Date."

2nd Amendment

Schedule 1 to the Agreement containing the names of the Catapult Shareholders is
hereby  deleted and replaced in its entirety by the revised  Schedule 1 attached
hereto as Exhibit "A" and thereby made a part  hereof,  effective as of the date
hereof.

3rd Amendment

Schedule 2.1 to the Agreement containing the names of the Catapult  Shareholders
and  their  respective  shareholdings  is hereby  deleted  and  replaced  in its
entirety by the revised  Schedule 2.1 attached hereto as Exhibit "B" and thereby
made a part hereof, effective as of the date hereof.

4th Amendment

Schedule  3.10 to the  Agreement  containing  information  regarding  EVRM share
ownership is hereby deleted and replaced in its entirety by the revised Schedule
3.10 attached hereto as Exhibit "C" and thereby made a part hereof, effective as
of the date hereof.

5th Amendment

Schedule 4.2 to the Agreement is hereby  deleted and replaced in its entirety by
the revised  Schedule 4.2 attached hereto as Exhibit "D" and thereby made a part
hereof,  effective  upon the  receipt  by  Catapult  and EVRM of the  Notice  of
Cancellation  and  Redemption  referred to in the Catapult  Board of  Directors'
Resolution of May 2, 2000.

All of the other provisions of the Agreement shall remain the same.


IN WITNESS WHEREOF the parties have executed this Amendment as of the 5th day of
May, 2000.


Attest:                   The Catapult Group, Inc.

_________________________ By: ________________________________
Title:                    Bryan M. Johns, Chief Executive Officer
[SEAL]

Attest:                   Envirometrics, Inc.

_________________________ By: ________________________________
Title:                    Walter H. Elliott III, Chief Executive Officer
[SEAL]




                          The Catapult Shareholders:


                          ___________________________________
__________________________Bryan M. Johns
Witness
                          ___________________________________
__________________________Robert Y. Duke
Witness
                          ___________________________________
__________________________Arnold Johns
Witness
                          __________________________________
__________________________Jake Cantrell
Witness
                          ___________________________________
__________________________Ronald Potts
Witness
                          Anguilla Equity Partners, Inc.
Attest:
                          By: ___________________________, Authorized Signatory
_________________________ Name:
Title:
[SEAL]                    Cambridge Capital Group, Inc..

Attest:                   By: ___________________________, Authorized Signatory
                          Name:
_________________________
Title:                    Cambridge Investments, Ltd.
[SEAL]
                          By: ___________________________, Authorized Signatory
Attest:                   Name:
_________________________ Osprey Investments, Ltd..
Title:
[SEAL]                    By: ___________________________, Authorized Signatory
                          Name:
Attest:
                          Stonehedge Investments, LLC.
_________________________
Title:                    By: ___________________________, Authorized Signatory
[SEAL]                    Name:

Attest:                   Sonoma Investments, LLC.

_________________________ By: ___________________________, Authorized Signatory
Title:                    Name:
[SEAL]

Attest:

_________________________
Title:
[SEAL]