LETTER OF INTENT

This Letter of Intent (Letter) between  Thermaltec  International,  Corp. (TTI),
with its principal place of business at 68A Lamar Street, West Babylon, New York
11704 and High Velocity Technology (HVT) with its principal place of business at
Lebanon,  New  Hampshire is intended to confirm the parties'  recent  discussion
with the proposed exchange of shares between TTI and HVT.

TTI and HVT intend to take the following actions:

TTI intends:

     o   Selling price to be paid for the issued and  outstanding  shares of HVT
         will be affected by the issuance of 150,000 shares of TTI stock and the
         providing of all working capital.

     o   On closing  $50,000 cash will be paid to Rob Lalumiere.  120 days after
         closing an additional $50,000 will be paid.

     o   TTI will provide necessary expansion and operating capital in stages as
         needed.

     o   There will be a stock option plan for HVT employees in compliance  with
         any TTI stock option plan set up.

     o   HVT will be spun off as an IPO when conditions are conducive to do so.

     o   Rob Lalumiere may sell at his choice, the Steam Generation  Corporation
         to TTI for not more than 50,000 shares.

HVT intends:

     o   HVT will be  merged  into  TTI.  Rob  Lalumiere  will be CEO of the HVT
         Division.

     o   All decisions  that affect the HVT side of the business will be made by
         Rob Lalumiere.


<PAGE>


                                LETTER OF INTENT

This Letter of Intent (Letter) between  Thermaltec  International,  Corp. (TTI),
with its principal place of business at 68A Lamar Street, West Babylon, New York
11704 and  Viaplex  Communications,  Inc.  (VCI),  with its  principal  place of
business  at 90 William  Street,  New York,  NY 10038 is intended to confirm the
parties' recent  discussion with the proposed exchange of shares between TTI and
VCI.

TTI and VCI intend to take the following actions:

TTI intends:

     o   Selling price to be paid for the issued and  outstanding  shares of VCI
         will be affected by the issuance of 80,000  shares of TTI stock and the
         providing of all working capital.

     o   There will be a  performance  incentive to issue an  additional  20,000
         shares of stock for every additional $1,000,000 in revenue.

     o   TTI will provide necessary expansion and operating capital in stages as
         needed.

     o   There will be a stock option plan for Viaplex  employees in  compliance
         with any TTI stock option plan set up.

     o   The Viaplex  Division  will be spun off as an IPO when  conditions  are
         conducive to do so.

VCI intends:

     o   VCI will be merged  into TTI. Ron  Wiggins  will be CEO of the  Viaplex
         Division.

     o   All decisions that affect the Viaplex side of the business will be made
         by Ron Wiggins.

     o   The  Viaplex  Division  will remain  intact and all  parties  will work
         toward expanding the Viaplex operation.


/s/ Andrew B. Mazzone                               /s/ Ron Wiggins
-----------------------------------                 ----------------------------
Andrew B. Mazzone                                   Ron Wiggins
For Thermaltec International, Corp.                 Viaplex Communications, Inc.


Date: 2/4/00                                        Date: 2/4/00

<PAGE>


     o   The HVT  Division  will remain  intact and all parties will work toward
         expanding the HVT operation.

     o   Subject to traditional due diligence


/s/ Andrew B. Mazzone                                /s/ Rob Lalumiere
-----------------------------------                 ----------------------------
Andrew B. Mazzone                                    Rob Lalumiere
For Thermaltec International, Corp.                  High Velocity Technology


Date: 2/3/2000                                       Date: Feb. 3/2000

<PAGE>


                           Edge Management, Inc./TTI

                                   NEXT STEPS
<TABLE>
<S>           <C>                                                                           <C>
AM            Fund raising by AM                                                             2/15

FV/TK         Get a copy of QB 1999 data                                                     2/7

TK            Need analysis of: cash requirements                                            2/14
              Operations                   Insurance & Bonds


              0-50 MM
              50-100 MM
              100-150 MM

DM            Set up model for systems consultants to spec. out operating system.            2/14
              (Internet side plus internals)

AM            Review IT system with Carl Tarabelli.                                          2/29

AM/DM         Meet with Dean Rhoads to review investment of fund.                            2/15

CA/TK         Investigates "head tax state" question relative NY.                            2/10

</TABLE>


Legend

AM            Andy
FV            Frank
RK            Tom Klein
DM            Dave
CA            Charles Affatato



                                                           /s/ Andrew B. Mazzone

                                                           /s/ D. Mowrer

                                     1 of 1
<PAGE>


The Spirit of the Agreement

1.   Selling  Price  $3,200,000  to be paid  for  issued  and  outstanding  Edge
     Management,  Inc.  stock.  This will be effected by the issuance of 400,000
     shares of Thermaltec stock currently  valued at  approximately  $3,200,000,
     and the providing of approximately $2,000,000 in working capital during the
     next months.  The parties agree that actual value paid to Edge  constitutes
     approximately  12.5%  effective  February 1, 2000, of the total  cumulative
     current value of Thermaltec stock issued at the time of the consummation of
     this transaction.

2.   Thermaltec  and Edge  Management,  Inc. will be merged and will trade under
     the name of Edge Management.com, or some abbreviated from of that name.

3.   The new entity will be  comprised of two or more  primary  divisions,  Edge
     Management,  Thermal  Coating,  and  possibly  another.  Andy  will  be the
     Chairman  of the  Board  of the new  entity.  As  chairman,  he  will  have
     responsibility for IT, Financial Management and Fund raising, David will be
     the CEO of the PEO Division. The Thermal Coating activities will be managed
     by Rob La Lumiere.  The  parties  agree that for a period of one year there
     will be no  acquisitions  outside  the PEO or thermal  coating  industries,
     without the unanimous  consent of the initial directors or their respective
     assignees.

4.   The initial  Board of Directors  will consist of Andrew  Mazone,  Chairman,
     David R. Mowrer, Thomas R. Klein, Charles R. Affatato,  and possibly Robert
     La Lumiere.  Each member of the Board shall  appoint a designee to function
     in his absence or  incapacity.  The parties agree that David R. Mowrer will
     be  appointed  to serve for a period of 5 years as a member of the Board of
     Directors.   David  R.  Mowrer  will  take  necessary  steps  to  create  a
     testamentary  instrument will convey his seat on the Board of Directors for
     the  remainder of his initial term, in the event of his demise prior to the
     conclusion of his term. This  appointment  may be made in the  alternative,
     however,  the  Board  must  be  advised  of the  individuals  appointed  so
     designated.

5.   All  decisions  that affect the PEO side of the business  will be made with
     the  concurrence  of the initial Board and any other  individuals  that may
     become significant shareholders.

6.   The PEO side of the new company  will  remain in tact and all parties  will
     work toward  expanding the PEO operations  with a goal of reaching  100,000
     employees.

7.   This  agreement   contemplates  the   re-acquisition   of  the  Edge  stock
     transferred  to  Concordia  and the Hedge  fund and  repayment  of the note
     payable to Concordia.

8.   David R. Mowrer  acknowledges  that he is currently in possession of 85% of
     the issued and  outstanding,  Edge Stock.  He further  acknowledges  that a
     portion of the said stock is to be  distributed  to Janet  Russell  and Tom
     Vipperman at some time in the future.

9.   All parties agree that a stock option  incentive plan for PEO employees and
     staff, based upon performance, will be implemented. The plan will result in
     an increase in the


                                     1 of 2

<PAGE>

umber of  shares  issued,  however,  the  shares  will be issued in favor of the
individuals   who  are  performing  at  the  highest  levels  and  graduated  on
performance.



                                                           /s/ Andrew B. Mazzone

                                                           /s/ D. Mowrer



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