TOPRO INC
10QSB, 1996-11-18
ELECTRICAL INDUSTRIAL APPARATUS
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<PAGE>   1

                                 UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                            Washington, D.C.  20549

                                  FORM 10-QSB

[ X ]  Quarterly Report Pursuant to Section 13 or 15(d) of the Securities
       Exchange Act of 1934

For Period Ended                   September 30, 1996
                 ---------------------------------------------------------------

[    ] Transition Report Pursuant to Section 13 or 15 (d) of the Securities
       Exchange Act of 1934

For the transition period from                  to 
                               -------------------------------------------------

Commission File Number                 0-19167
                       ---------------------------------------------------------

                                   TOPRO, INC.                             
           ----------------------------------------------------------
             (Exact name of registrant as specified in its charter)

               COLORADO                                     84-1042227
- ---------------------------------------          -------------------------------
       (State of Incorporation)                      (IRS Employer ID Number)

 2525 West Evans Avenue                            Denver, Colorado       80219 
- --------------------------------------          --------------------------------
(Address of principle executive offices)        (city)     (state)    (zip code)


                                  (303)  935-1221                          
          ----------------------------------------------------------
               Registrant's telephone number including area code


- --------------------------------------------------------------------------------
  (Former name, former address and former fiscal year, if changed since last
                                    report)

Indicate by check mark whether the Registrant (1) has filed all reports
required to be filed by Section 13 or 15 (d) of the Securities Exchange Act of
1934 during the preceding 12 months (or for such shorter period that the
Registrant was required to file such reports), and (2) has been subject to such
filing requirements for the past 90 days.  (See Item 6b on page 13 for detailed
explanation)

                   YES      X                 NO 
                         ------                    ------

Transitional Small Business Disclosure format (check one):

                    YES                       NO      X    
                         ------                    ------


The number of shares outstanding of the Registrant's $0.0001 par value common
stock on November 13, 1996 was 6,639,403.
<PAGE>   2


PART I - FINANCIAL INFORMATION

ITEM 1 - FINANCIAL STATEMENTS

                          TOPRO INC., AND SUBSIDIARIES

                          CONSOLIDATED BALANCE SHEETS
                                  (UNAUDITED)

<TABLE>
<CAPTION>
                                                                                 JUNE 30,          SEPTEMBER 30,
                                                                                   1996                 1996    
                                                                              --------------     ----------------
                                            ASSETS
       <S>                                                                    <C>                <C>
       CURRENT ASSETS
            Cash                                                              $      236,000     $        156,000
            Receivables:
               Trade, net of allowance for doubtful accounts                       6,801,000            5,234,000
               Refundable income taxes                                               222,000              222,000
               Other receivable                                                       54,000                1,000
            Cost and estimated earnings in excess of billings on
                uncompleted contracts                                              2,837,000            2,866,000
            Inventories                                                              148,000              151,000
            Prepaid expense                                                          173,000              244,000
            Assets of discontinued operations                                        526,000              581,000
                                                                              --------------     ----------------
                                 Total current assets                             10,997,000            9,455,000

       PROPERTY AND EQUIPMENT, AT COST:
            Building and land                                                        850,000              850,000
            Furniture and equipment                                                2,516,000            2,497,000
            Leasehold improvements                                                   743,000              784,000
            Capitalized software costs, net of amortization                          572,000              733,000
                                                                              --------------     ----------------
                                                                                   4,681,000            4,864,000
            Less accumulated depreciation                                         (1,285,000)          (1,423,000)
                                                                              --------------     ----------------
                                 Net property and equipment                        3,396,000            3,441,000
       OTHER ASSETS
            Other assets                                                             155,000              145,000
            Debt issuance costs, net of amortization                                 354,000              333,000
            Excess of cost over fair value of net assets
                acquired, net of amortization                                      5,111,000            5,024,000

       TOTAL ASSETS                                                           $   20,013,000     $     18,398,000
                                                                              ==============     ================
</TABLE>




              The accompanying notes are an integral part of the
                      consolidated financial statements.





                                       2
<PAGE>   3


                          TOPRO INC., AND SUBSIDIARIES

                          CONSOLIDATED BALANCE SHEETS
                                  (UNAUDITED)

<TABLE>
<CAPTION>
                                                                              JUNE 30,            SEPTEMBER 30,
                                                                                1996                   1996   
                                                                         -----------------      ----------------
                                           LIABILITIES AND STOCKHOLDERS' EQUITY
        <S>                                                              <C>                    <C>
        CURRENT LIABILITIES:
             Line-of-credit                                              $       1,019,000      $        927,000
             Current portion of long-term debt:
                 Related parties                                                   230,000               230,000
                 Financial institutions and other                                  975,000             1,422,000
                 Capital lease obligations                                          56,000                41,000
             Accounts payable                                                    5,915,000             5,770,000
             Billings in excess of costs and estimated earnings on
               uncompleted contracts                                             1,582,000               988,000
             Accrued expenses                                                    2,155,000             1,362,000
             Deferred gain - bldg                                                   24,000                24,000
                                                                         -----------------      ----------------
                                   Total current liabilities                    11,956,000            10,764,000

        LONG-TERM DEBT, NET OF CURRENT PORTION:
             Financial institutions and other                                    4,859,000             4,361,000
             Capital lease obligations                                             151,000               146,000
                                                                         -----------------      ----------------
                                   Total long-term debt                          5,010,000             4,507,000

        DEFERRED GAIN - BLDG                                                        45,000                39,000

        STOCKHOLDERS' EQUITY
             Preferred stock, par value $1.00 per share;
                  authorized 10,000,000 shares; no shares
                   issued
             Common stock, par value $.0001 per share;
                    authorized 200,000,000 shares; 6,639,403
                    issued and outstanding June 30 and                               1,000                 1,000
                    September 30, 1996
               Additional paid-in capital                                        7,774,000             7,775,000
               Accumulated deficit                                              (4,773,000)           (4,688,000)
                                                                         -----------------      ----------------
                                   Total stockholders' equity                    3,002,000             3,088,000

        TOTAL LIABILITIES AND
            STOCKHOLDERS' EQUITY                                         $      20,013,000      $     18,398,000
                                                                         =================      ================
</TABLE>


              The accompanying notes are an integral part of the
                      consolidated financial statements.





                                       3
<PAGE>   4


                          TOPRO INC., AND SUBSIDIARIES

                     CONSOLIDATED STATEMENTS OF OPERATIONS
                                  (UNAUDITED)

<TABLE>
<CAPTION>                                               
                                                        FOR THE THREE MONTHS ENDED SEPTEMBER 30,                    
                                                               1995                    1996                           
                                                          --------------          --------------           
 <S>                                                      <C>                     <C>                                   
 REVENUES:                                                                                                          
   Control systems integration                            $    2,450,000          $    7,967,000                   
   Distributorship                                               363,000                    -                             
                                                          --------------          --------------           
                                                               2,813,000               7,967,000                   
                                                                                                                    
 COST OF SALES:                                                                                                     
   Control systems integration                                 1,602,000               5,082,000                   
   Distributorship                                               227,000                    -                           
                                                          --------------          --------------           
                                                               1,829,000               5,082,000                   
                                                                                                                    
 GROSS PROFIT                                                    984,000               2,885,000                   
                                                                                                                    
 EXPENSES                                                                                                           
   Sales expense                                                 139,000                 598,000                   
   General & administrative expense                              608,000               1,948,000                   
   Distributorship selling and other expenses                    283,000                    -                        
                                                          --------------          --------------           
                                                               1,030,000               2,546,000                   
                                                                                                                    
 OTHER INCOME (EXPENSE):                                                                                            
   Gain (loss) on sale of assets                                   7,000                  (3,000)                   
   Interest expense                                              (35,000)               (172,000)                   
   Other                                                           2,000                   4,000                    
   Goodwill amortization                                         -                       (87,000)                   
                                                          --------------          --------------           
                                                                 (26,000)               (258,000)                   
                                                                                                                    
 INCOME (LOSS) FROM CONTINUING                                                                                      
 OPERATIONS BEFORE INCOME TAXES                                  (72,000)                 81,000                   
                                                                                                                    
 INCOME TAX BENEFIT (PROVISION):                                       0                       0                     
                                                                                                                    
 DISCONTINUED OPERATIONS:                                                                                           
   Income (loss) from discontinued operations - Sharp                  0                       0                    
   Loss on disposal - Sharp Electric                             (16,000)                   -                               
                                                          --------------          --------------           
                                                                                                                    
 NET INCOME (LOSS)                                        $      (88,000)         $       81,000                   
                                                          ==============          ==============           
                                                                                                                    
 NET INCOME (LOSS) PER SHARE:                                                                                       
   Continuing operations                                           (0.02)                   0.01                   
   Discontinued operations                                          0.00                    0.00                   
                                                          --------------          --------------           
 Net income (Loss):                                       $        (0.02)         $         0.01                   
                                                          ==============          ==============           
                                                                                                                    
 WEIGHTED AVERAGE SHARES                                                                                            
 OUTSTANDING                                              $    3,891,354          $    6,639,403                    
                                                          ==============          ==============           
</TABLE>

              The accompanying notes are an integral part of the
                      consolidated financial statements.





                                       4
<PAGE>   5


                         TOPRO, INC., AND SUBSIDIARIES

                     CONSOLIDATED STATEMENTS OF CASH FLOWS
                                  (UNAUDITED)

<TABLE>
<CAPTION>
                                                                                          FOR THE THREE MONTHS ENDED
                                                                                                 SEPTEMBER 30,
                                                                                           1995                1996     
                                                                                       ------------         ------------
 <S>                                                                                   <C>                  <C>
 CASH FLOW FROM OPERATING ACTIVITIES:
   Net Income (loss) from continuing operations                                        $    (72,000)        $     81,000
   Adjustments to reconcile to net cash provided by (used in) operating
     activities
      Depreciation                                                                           36,000              143,000
      Amortization of note costs                                                                                  22,000
      Amortization of goodwill                                                                                    87,000
      Allowance for doubtful accounts                                                        11,000              (33,000)
      Gain on sale of assets                                                                 (7,000)               3,000


   Changes in operating assets and liabilities: (Increase) decrease in:
      Accounts receivables - trade                                                          (45,000)           1,654,000
      Other receivables                                                                      60,000               41,000
      Cost & estimated earnings in excess of billing                                        279,000              (29,000)
      Inventories                                                                           (69,000)              (3,000)
      Prepaid expenses                                                                     (110,000)             (71,000)
      Other assets                                                                           36,000               10,000

   Increase (decrease) in:
      Accounts payables                                                                    (363,000)            (145,000)
      Accrued expenses                                                                      (74,000)            (899,000)
      Billings in excess of costs & estimated earnings                                       80,000             (594,000)

 Income (loss) from discontinued operations                                                 (16,000)                -
      Change in assets - from discontinued operations - Sharp Electric                     (275,000)             (55,000)
                                                                                       ------------         ------------

 Net cash provided by (used in) operating activities                                       (529,000)             212,000

 CASH FLOW FROM INVESTING ACTIVITIES:
      Purchase of equipment                                                                 (56,000)             (19,000)
      Capitalized software costs                                                               -                (161,000)
      Proceeds from notes receivable                                                         40,000                 -       
                                                                                       ------------         ------------
 Net cash used in investing activities                                                      (16,000)            (180,000)
</TABLE>

 Continued next page





              The accompanying notes are an integral part of the
                      consolidated financial statements.





                                       5
<PAGE>   6


                         TOPRO, INC., AND SUBSIDIARIES

                     CONSOLIDATED STATEMENTS OF CASH FLOWS
                                  (UNAUDITED)

<TABLE>
<CAPTION>
                                                                                         FOR THE THREE MONTHS ENDED
                                                                                                 SEPTEMBER 30,
                                                                                        1995                      1996   
                                                                                  -----------------          ---------------
 <S>                                                                              <C>                        <C>
 Continued from previous page:

 CASH FLOW FROM FINANCING ACTIVITIES
      Proceeds from short term debt                                                       3,611,000
      Principal payments on borrowings                                                   (3,614,000)                (163,000)
      Proceeds from issuance of note payable                                                                          51,000
      Proceeds from sale of stock                                                           427,000                         
                                                                                  -----------------          ---------------
   Net cash provided by (used in) financing activities                                      424,000                 (112,000)

 INCREASE (DECREASE) IN CASH                                                               (121,000)                 (80,000)

 CASH: BEGINNING OF PERIOD                                                                  224,000                  236,000
                                                                                  -----------------          ---------------
 CASH: END OF PERIOD                                                              $         103,000          $       156,000
                                                                                  =================          ===============

</TABLE>



              The accompanying notes are an integral part of the
                      consolidated financial statements.





                                       6
<PAGE>   7




                         TOPRO, INC.  AND SUBSIDIARIES

                                  CONSOLIDATED
                         NOTES TO FINANCIAL STATEMENTS

1.  Interim Financial Information

         In the opinion of management, the accompanying unaudited consolidated
         financial statements contain all adjustments necessary to present
         fairly the financial position as of September 30, 1996 and June 30,
         1996 and the results of operations and statement of cash flows for the
         periods presented.  Management believes all such adjustments are of a
         normal and recurring nature.  The statements presented reflect the
         acquisitions of Advanced Control Technology, Inc. (ACT) acquired as of
         January 1, 1996 and Vision Engineering (VEC) acquired as of May 1,
         1996 for the period subsequent to the acquisition dates.  The
         acquisition of ACT and VEC were recorded as a purchase method
         accounting and no results for previous years are recorded in the 1995
         results.  The results of operations for the three month period ending
         September 30, 1996 and 1995 are not necessarily indicative of the
         results to be expected for the full year.

2.  Trade Receivables

         The following information summarizes trade receivables:
<TABLE>
<CAPTION>
                                           JUNE 30,               SEPTEMBER 30,
                                             1996                     1996     
                                         -----------               ----------- 
 <S>                                     <C>                       <C>         
 Contract receivables:                                                         
       Completed contracts               $   869,000               $   984,000 
       Uncompleted contracts               5,812,000                 3,845,000 
       Retainage                             497,000                   724,000 
                                         -----------               ----------- 
                                           7,178,000                 5,553,000 
 Other trade receivables                     -                      11,000,000 
                                         -----------               ----------- 
                                           7,178,000                 5,564,000 
 Less allowance for doubtful accounts       (377,000)                 (330,000)
                                         -----------               ----------- 
                                         $ 6,801,000               $ 5,234,000 
                                         ===========               =========== 

</TABLE>



                                       7
<PAGE>   8
    3.   Costs and Estimated Earnings on Uncompleted Contracts:

         The following information is applicable to uncompleted contracts:
<TABLE>
<CAPTION>
                                                                     JUNE 30,             SEPTEMBER 30, 
                                                                       1996                   1996      
                                                                  --------------         -------------- 
 <S>                                                              <C>                    <C>            
 Costs incurred on uncompleted contracts                          $  32,071,000          $   32,934,000 
 Estimated earnings                                                   2,282,000               2,902,000 
                                                                  --------------         -------------- 
                                                                     34,353,000              35,836,000 
 Less billings to date                                              (33,098,000)            (33,958,000)
                                                                  --------------         -------------- 
                                                                  $   1,255,000          $    1,878,000 
                                                                  ==============         ============== 
 These amounts are included in accompanying                                                             
     balance sheets under the following captions:                                                       
                                                                                                        
 Costs and estimated earnings in excess of                                                              
     billings on uncompleted contracts                            $   2,837,000          $    2,866,000 
                                                                                                        
 Billings in excess of costs and estimated                                                              
     earnings on uncompleted contracts                               (1,582,000)               (988,000)
                                                                  --------------         -------------- 
                                                                  $   1,255,000          $    1,878,000 
                                                                  ==============         ============== 
</TABLE>


                                       8
<PAGE>   9
                          TOPRO, INC. AND SUBSIDIARIES

                                  CONSOLIDATED
                         NOTES TO FINANCIAL STATEMENTS

    4.   Line-Of-Credit and Long-Term Debt:

<TABLE>
<CAPTION>
                                                                                           JUNE 30,             SEPTEMBER 30,
                                                                                             1996                   1996     
                                                                                         -------------          -------------
                          <S>                                                            <C>                    <C>
                          Lines-of-credit:
                          --------------- 
                          VEC has a $650,000 line-of-credit pursuant to a loan
                          agreement with a financial institution, collateralized by
                          substantially all assets of VEC, with interest at prime plus
                          2% (total of 10.25% at June 30 and September 30, 1996).  The
                          line expires in December 1996 and requires monthly principal
                          payments of $17,000.                                           $     583,000          $      500,000

                          ACT has a $500,000 line-of-credit pursuant to a loan
                          agreement with a financial institution collateralized by
                          substantially all assets of ACT and a deed of trust on the
                          real property, with interest at prime plus 2.5% (total of
                          10.75% at June 30, 1996 and September 30, 1996).  The line
                          expires in February 1997.                                            436,000                427,000
                                                                                         -------------          -------------

                                   Total Line-of-Credit                                      1,019,000                927,000
                                                                                         =============          =============

                          Related Party:
                          --------------
                          Notes payable to an officer and a director of the Company at
                          10% interest payable semiannually, due on demand, unsecured.          80,000                 80,000

                          Notes payable to a director and former majority stockholders
                          of VEC, with interest at 8%, monthly payments of $10,000,
                          unsecured.                                                           130,000                130,000

                          Note payable to relatives of a director and former majority
                          stockholders of VEC, interest payable quarterly at 10%,
                          unsecured.                                                            20,000                 20,000
                                                                                         -------------          -------------

                                   Total Related Party                                   $     230,000          $     230,000
                                                                                         =============          =============
</TABLE>


                                       9
<PAGE>   10
4.  Line-Of-Credit and Long-Term Debt - Continued:

<TABLE>
<CAPTION>
                                                                                           JUNE 30,             SEPTEMBER 30,
                                                                                             1996                   1996     
                                                                                         -------------          -------------
                          <S>                                                            <C>                    <C>
                          Long-term 9% convertible debenture dated February 21, March
                          7, and June 1, 1996 with a small business investment fund.
                          Outstanding borrowings bear interest at 9% and interest is
                          payable monthly.  If the debenture is not sooner redeemed or
                          converted, a mandatory principal redemption is due beginning
                          March 1, 1999 in the amount of 1% of the then remaining
                          principal amount outstanding. $2,500,000 of the debenture is
                          convertible into the Company's common stock at $1.50 per
                          share.  The remaining $1,000,000 is convertible at $2.25 per
                          share.  The loan is collateralized by all the assets of
                          Topro, ACT, and MDCS.  The loan has certain restrictive
                          covenants described below.
                                                                                             3,500,000              3,500,000
                          Convertible note, 8% interest payable quarterly on August
                          17, November 17, 1996 and February 17, 1997 due in February
                          1997.  The notes are convertible into one share of common
                          stock per $1.75 of principal and accrued and unpaid
                          interest.  The loan is unsecured.                                    375,000                375,000

                          Term loan pursuant to a loan agreement with a financial
                          institution collateralized by substantially all assets and a
                          deed of trust on the real property of ACT.  Monthly payments
                          of $11,000 for principal and interest are due, interest at
                          prime plus 2.5% (total of 10.75% at June 30, 1996 and
                          September 30, 1996).  The loan has a balloon payment on the
                          unpaid balance due August 1997.                                      474,000                448,000

                          Mortgage note payable to a bank, due in monthly installments
                          of $2,941 including interest at 11%, a balloon payment of
                          remaining balance is due November 1, 1996, collateralized by
                          a first deed of trust on ACT's land and building.                    241,000                260,000

                          Four year promissory note bearing interest at 8% payable to
                          ElectroCom Automation.  Monthly payments of $6,103 are due
                          beginning May 1, 1996.  The promissory note is secured by a
                          second position on the real estate of ACT.                           262,000                228,000
                          Senior convertible notes, 10% interest payable semiannually
                          on December 31 and March 31.  Due March 2000. The notes are
                          convertible into units consisting of one share of common
                          stock and one warrant at the rate of $.67 per unit. The
                          warrants are exercisable to purchase one share of common
                          stock at $1.00, expiring the earlier of 3 years from date of
                          conversion or December 31, 2001.                                     350,000                350,000

</TABLE>




                                       10
<PAGE>   11
4.  Line-Of-Credit and Long-Term Debt - Continued:

<TABLE>
<CAPTION>
                                                                                           JUNE 30,             SEPTEMBER 30,
                                                                                             1996                   1996     
                                                                                         -------------          -------------
                         <S>                                                             <C>                    <C>
                          Term loan payable to a bank, with a variable interest
                          adjusted quarterly based on prime plus 2.75% (total of 11.0%
                          at June 30 and September 30, 1996), collateralized by a
                          second security interest on substantially all assets of VEC,
                          guaranteed by the SBA and personally guaranteed by a
                          director, which personal guarantee is collateralized by a
                          third deed on the director's residence, payable in monthly
                          principal payments of $7,000, adjusted quarterly, through            324,000                303,000
                          September 2002.
                          Term loan payable to a bank, with a variable interest rate
                          at prime plus 2% (total of 10.25% at June 30 and September
                          30, 1996), collateralized by equipment and leasehold
                          improvements of VEC, due on demand or if no demand, payable
                          in monthly installments of $7,000 plus interest through
                          April 1998.                                                          153,000                132,000

                          Non-interest bearing note payable to ACT's legal counsel
                          payable over 30 months at $5,000 monthly beginning April 1,
                          1996.  The note has been discounted using an effective
                          interest rate of 10.25%.                                             121,000                108,000

                          Various notes payable, due in maximum monthly installments
                          totaling $1,526 through March 1998, collateralized by
                          equipment and vehicles.                                               34,000                 28,000

                          Capital lease obligations secured by equipment of VEC.  The
                          leases are of varying length and vary in imputed interest of
                          12% - 22%.  The monthly installments total $ 10,000.                 207,000                187,000
                          12% unsecured subordinated promissory notes series 1996-A is
                          due along with accrued interest on November 8, 1996.  The
                          Company will pay the lender a fee of 2,500 shares of common
                          stock per $50,000 of the principal sum.  If the note is not
                          repaid on November 8, 1996, the Company will pay lender
                          2,500 shares of common stock per $50,000 of principal in
                          consideration of extension to January 8, 1997.  Upon the
                          event of default, the shares will convert at one share per
                          $.50 of principal and accrued interest.                                -                    50,000
                                                                                         -------------          -------------
                                  Total                                                  $   6,041,000          $   5,970,000
                                                                                         -------------          -------------
                              Less current portion                                          (1,031,000)            (1,463,000)
                                                                                         -------------          -------------
                              Long-term portion                                          $   5,010,000          $   4,507,000
                                                                                         =============          =============
</TABLE>



                                       11
<PAGE>   12
                            TOPRO, INC. SUBSIDIARIES

                                  CONSOLIDATED
                         NOTES TO FINANCIAL STATEMENTS

5.  Discontinued Operations

         Sharp Electric Construction Co. Inc.- was discontinued in fiscal 1995,
         all remaining backlog has been executed.  The Company will complete
         the final contract and is negotiating open change orders on the 
         remaining project as of November 1996. The remaining suppliers and
         subcontractors on these projects must be covered out of the remaining
         billings to be collected on these projects.  The anticipated cash
         impact of the remaining negotiations will not be material.

         Tech Sales, Inc.- was discontinued in December 1995.  The quarter
         ended September 30, 1995 includes the results of this discontinued
         operations.

6.  Earnings per Share

         Earnings per share are computed on the basis of the weighted average
         number of common shares outstanding during the period.

ITEM 2 -     MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND
             RESULTS OF OPERATIONS

LIQUIDITY AND CAPITAL RESOURCES

         In September 1996 the Company issued a 12% unsecured subordinated
promissory note Series 1996-A in the amount of $50,000.  This note is due along
with accrued interest on November 8, 1996.  If the note is not repaid on
November 8, 1996 the Company will be required to issue to the lender 2,500
shares of common stock per $50,000 of principal in consideration of extension
to January 8, 1997.  In conjunction with the issuance of this note the Company
issued the lender a fee of 2,500 shares of common stock per $50,000 of the
principal sum.  Upon the event of default the shares will convert at one share
per $.50 of principal and accrued interest.  The Company issued an additional
$100,000 of the promissory notes subsequent to September 1996.  The notes were
not repaid on the maturity date and thus were extended.

         Subsequent to quarter end, the Company on October 30, 1996 issued
$1,200,000, 9% convertible debentures to Renaissance Capital Growth & Income
Trust, PLC to provide working capital funding.  This indebtedness is
collateralized by a security interest in the assets of the Company including
assets of ACT, MDCS, TSI, VEC, and Topro, Inc.  The Company also pledged the
shares of its subsidiaries ACT and VEC to secure repayment of the debenture,
and agreed to pledge the assets and shares of its subsidiaries of ACS if and
when that company is acquired.  Interest on the





                                       12
<PAGE>   13
unpaid principal balance is due monthly beginning November 1, 1996.  Mandatory
monthly principal installments, if the debenture is not sooner redeemed or
converted, are due commencing on March 1, 1999, in principal installments of
$10 per $1,000 of the then remaining principal amount. The outstanding
principal amount of this debenture is redeemable at 120% of par if the closing
bid price for the Company's common stock averages at least $5.00 for 20
consecutive trading days and is supported by a minimum of $0.25 in net earnings
per share. The conversion price is $ 1.50 per share on $1,200,000 of the
principal amount of the convertible debentures.

         Renaissance Capital Group, Inc. serves as investment adviser to Trust
PLC and to Renaissance Capital Growth & Income Fund III, Inc. which previously
purchased an aggregate of $3,500,000 principal amount of 9% convertible
debentures from the Company.  On $1,000,000 of the principal amount of
debenture issued to Renaissance Capital Growth & Income Fund III, Inc. in June
1996 the original conversion price was renegotiated.  The original issuance
required a conversion price of $2.25 or 444,444 shares of the Company's common
stock.  This was renegotiated to a conversion price of $1.50 or 666,667 shares
of the Company's common stock, consistent with the terms of the debentures
issued to Trust PLC.

         The convertible debenture requires certain financial covenants of debt
to equity of less than 7 to 1, current ratio of no less than .75 to 1, minimum
tangible net worth of not less than a negative $3,000,000, and times interest
earned on the basis of EBITDA of at least 3 to 1 to be met.  The Company is not
in compliance with times interest earned which is 2.97 to 1 at September 30,
1996.

CASH FLOW

    For the three months ending September 30, 1996, the Company's cash
decreased $80,000.  PROFITS FROM CONTINUING OPERATIONS totaled $81,000,
INCLUSIVE OF NON CASH CHARGES  for depreciation, amortization of note costs,
goodwill, reserve for bad debts, and loss on sale of assets totaling $223,000.
Decreases in trade and other receivables and other assets added $1,705,000 for
a source of funds totaling $2,009,000.  FUNDS WERE USED to finance increases in
costs and estimated earnings in excess of billings, inventories, prepaid
expenses, deferred note costs, deferred gain on the sale of building and
decreases in accounts payables, accrued expenses, billings in excess of costs
and estimated earnings and discontinued operations of Sharp Electric totaling
$1,797,000. INVESTMENTS were made in capital equipment and capitalized
software development costs in the period of $180,000. FINANCING ACTIVITIES
from short and long term debt, required $163,000 and a private placement of a
note generated $51,000.

         ACCOUNTS RECEIVABLE ISSUE - In calendar year 1994, the Company was
engaged by an electrical contractor ("EC") to supply control system integration
services on municipal water treatment facilities in California.  As the work
progressed, the EC fell significantly behind in its payment obligations and
eventually was taken over by its bonding company.  As of June 1996, the EC owed
the Company $427,000. The EC's payment obligations are covered by payment and
performance bonds. In June 1995, the Company received indication of a
forthcoming settlement offer from the general contractor on one of the projects
for the EC's receivable. It was felt that the Company had reasonably reserved 
for the portion of the receivable that was disputed by the EC. The





                                       13
<PAGE>   14
offer for settlement has since been withdrawn by the general contractor. The
Company has retained legal counsel in California to review the adequacy of its
stop notice filings and determine the Company's legal standing. Stop notices
have been issued to the appropriate municipalities reserving 125% of these funds
from payment to the contractors. The EC has sent a notice to the bonding company
stating a $192,000 back charge. The bonding company has reviewed all supporting
documents and doesn't support the EC's claim.  This claim has been reviewed and
evaluated by an independent third party ("ITP") who engages in providing
construction/systems dispute resolution and management services to both owners
and contractor/subcontractors and suppliers on projects similar to the EC's
project.  The ITP view is the back charge claims are not valid. The ITP also
believes the Company has back charges of between $200,000 and $250,000 in claims
against the EC for excessive cost on the projects directly attributed to the
EC's delays.  The ITP also believes the Company has a direct claim against the
municipality for owner-directed changes and delays. The Company is in the
process of perfecting its claims position.

    The Company, on one of the WWTP projects worked on with the EC, has been
discussing a settlement with the general contractor. The total amount owing
from the EC on this project amounts to $161,000. The general contractor has
issued a bond to the municipality to cover stop notices issued on the project
because of the EC's non payment including our claim.  The requirement for the
bond by the general contractor was to allow the municipality to release
retainage on the job.  The municipality would not do so unless they had
assurances that the claims were provided for.

    Discussions have since commenced on the other waste water treatment project
with both the general contractor and the electrical contractor.  The EC and the
general contractor have initiated discussions with the city and it is
anticipated they will conclude negotiation with the city in the next six weeks
on the portion owed the Company.  The Company feels that it has an adequate
allowance to cover any unforeseen collection issues of these receivables.

         The Company has no material commitments for external capital
expenditures, however will continue to capitalize software development costs
consistent with its strategy of the development of discrete products for
specific markets.





                                       14
<PAGE>   15
RESULTS OF OPERATIONS FOR THREE MONTHS ENDED SEPTEMBER 30, 1996 COMPARED TO THE
                    THREE MONTHS ENDED SEPTEMBER  30, 1995

         The statement of operations contains 1995 detail on the distributing
business that was discontinued in December 31, 1995.  The following  analysis
discusses only the continuing operations of the Company.  

         REVENUES increased by $5,517,000 or 225% to $7,967,000 in the 1996 
period versus  revenue of $2,450,000 in 1995. The increase is associated with 
the acquisition of two additional wholly-owned subsidiaries:  Advanced Control
Technology, Inc. ("ACT"), acquired as a purchase as of January 1, 1996, had 
revenue for the current quarter of $2,361,000 while Vision Engineering Corp. 
("VEC"), acquired also as a purchase as of May 1, 1996, added revenue of 
$2,480,000 during the quarter. Topro Systems Integration, Inc. ("TSI") had an 
increase in revenue of $640,000, from $2,131,000 in 1995 to $2,771,000 in 
1996. Management, Design and Consulting Services, Inc.'s ("MDCS") revenue for 
the three months ended September 30, 1996 was $355,000, an increase of $36,000
over the comparable period in 1995.  The Company's order backlog at September 
30, 1996 was $7,693,000 ($3,223,000 in TSI, $958,000 in ACT, $3124,000 in VEC 
and $388,000 in MDCS). This compares to a total backlog of $ 8,837,000 as of 
June 30, 1996.

         GROSS PROFIT MARGIN in the current quarter was 36% of revenue
($2,885,000)  compared to 35% ($847,000)  or the three months ended  September
30, 1995.  The additions of ACT and VEC contributed $2,023,000 to the increased
gross margin (28% of revenue and $670,000 from ACT; and 55% of revenue and
$1,353,000 from VEC). TSI's gross profit margin was 26% , a decrease  from 33%
in the previous year but with higher revenue brought $730,000 in dollar gross
profit as compared to $702,000 in 1995. TSI's gross margin was depressed by
product mix heavily weighted to completion of lower margin water treatment
projects being executed. MDCS had a gross profit margin of 37% ($132,000) in the
three months ended September 30, 1996 as compared to 45% ($145,000) in the 1995
period. Management expects the gross margin to improve in subsequent quarters
from the relative mix of revenue from the four operations. For example the
revenue split is expected to be equal between the three larger operations,
accounting for slightly  less than one third of the revenue stream each. With
the higher margin in VEC and in ACT (they earned 36% gross margin for the last
six months of Fiscal 1996), the overall results are expected to improve with
increased margins at TSI, due to product mix shifting away from water treatment.

         SELLING, GENERAL AND ADMINISTRATIVE EXPENSES (S,G&A) increased
$1,794,000 from $751,000 in the 1995 first quarter to $2,545,000 in the 1996
period.  The acquisitions accounted for $1,567,000 of the increase, $498,000
from ACT and $1,069,000 from VEC. TSI's S,G&A rose 25% from $652,000 in
1995's first quarter to $818,000 currently. MDCS increased $78,000 from
$83,000 to $161,000. SALES EXPENSES increased $437,000 from $161,000 in 1995
to $598,000 in 1996. Significant increases are associated with the ACT
acquisition resulting in $203,000 additional costs, and with the VEC
acquisition adding $208,000 currently. The selling expense for Topro increased
by $26,000 for the period. MDCS's sales expense did not increase or decrease
in the current quarter from the comparable quarter in 1995. GENERAL AND
ADMINISTRATIVE EXPENSE increased $1,357,000, from $590,000 in the 1995 period
compared to $1,947,000 currently. Of this increase $295,000 is associated with
the ACT purchase and $862,000 is from the acquisition of VEC. TSI's expense in





                                       15
<PAGE>   16
the three months ended September 30, 1996 increased $139,000 to $652,000 from
$513,000 in the 1995 period.  MDCS operations accounted for $61,000 of the
increase as its G&A was $139,000 in the current quarter compared to $78,000 in
1995.  While it is difficult to assess the overall Selling, General and
Administrative expenses with the current quarter of results from the larger
acquired subsidiaries, management feels the assimilation of these businesses has
increased overhead costs in the short run.  For example, Topro's legal fees in
the quarter were $23,000, an increase of $13,000 from the 1995 period, outside
services increased $22,000 (from $7,000) and stockholder relations expense
increased $17,000 from $7,000. The overall increase in Topro G&A expense was
$78,000 from $175,000 in the three months ended September 30, 1995 to $253,000
for the current quarter. On the other hand, it appears both acquired
subsidiaries have decreased their S,G&A expenses in the quarter ended September
30, 1996 when compared to their rate of expenditure in periods included in the
last fiscal year (six months for ACT and two months for VEC). Management
believes elimination of duplicate services will continue to reduce the S,G&A
expense.

         GOODWILL AMORTIZATION resulting from the acquisitions of ACT and VEC
totaled $87,000 ($41,000 for ACT and $46,000 for VEC).

         INTEREST EXPENSE increased $137,000 in the three months ended
September 30, 1996 from $35,000 in 1995 to $172,000 in 1996. $131,000 of the
increase is attributable to the inclusion of the acquired subsidiaries, ACT
($89,000) and VEC ($42,000). TSI accounted for $6,000 of the increase from
$35,000 in 1995 to $41,000 in 1996. As of September 30, 1996 there is
$1,472,000 of short and long term debt carried by ACT, $1,275,000 by VEC and
$4,380,000 by the parent company.  MDCS has no short or long term debt.

         OTHER INCOME decreased $8,000 in the three months ended September 30,
1996 over the  same period in 1995.  There was a $10,000 gain from the sale of
assets in the 1995 period.

         NET INCOME OF THE CONTROL SYSTEMS OPERATIONS was $81,000 for the three
months ended September 30, 1996, compared to $70,000 in the 1995 period, an
improvement of $11,000.  The net income from ACT and  VEC total $239,000 
($41,000 from ACT and $198,000 from VEC) while TSI had a decrease of $154,000
from the $24,000 earned in 1995 (a net loss of $130,000).  MDCS lost $28,000 in
the current period, a net decrease of $74,000 from the $46,000 earned in the
three months ended September 30, 1995.  Net Income for the quarter was lower
than expected as the direct result of a sudden delay of a major semi-conductor
fabrication project the Company had been executing.  The project was put on
immediate and complete hold in July.  The delay was attributed to the customers
concern over demand for its project in the market place.  Without this impact
revenues for the quarter would have been more than $1,000,000 higher with a
corresponding increase in net profits.  The project is forecast to resume in
mid-calendar 1997.

         NET INCOME FROM CONTINUING OPERATIONS inclusive of the distribution
business(Tech Sales, Inc.), which was discontinued in 1995, resulted in a loss
of $72,000 for 1995. This compares with a profit of $81,000 for the three
months ended September 30, 1996 or an improvement of $153,000.  The
distribution business contributed a net loss in the period ended September 30,
1995 of $143,000.





                                       16
<PAGE>   17
PART II - OTHER INFORMATION

    Item 1.  Legal Proceedings

             Not applicable

    Item 2.  Changes in Securities

             Not applicable

    Item 3.  Defaults Upon Senior Securities

             Not applicable

    Item 4.  Submission of Matters to a Vote of Security Holders

             Not applicable

    Item 5.  Other Information

             Topro signed a letter of intent to acquire all the outstanding
             shares of All-Control Systems, Inc. ("ACS") in exchange for
             1,500,000 shares of the Company's common stock.  The acquisition
             is subject to the parties reaching definitive agreements and
             negotiating a final merger agreement.  The base share
             consideration contemplated to be issued is subject to various
             adjustments based on the net worth of ACS on November 30, 1996.
             The closing is contingent upon ACS meeting certain cash flow
             forecasts. Additional shares may be issued based on certain
             financial objectives being meet through  June 1999.

    Item 6.  Exhibits and Reports on Form 8-K

             a)  Exhibits

                 10.19    Employment Agreement dated July 27, 1995 between
                          Registrant and E.  Gregory Fisher.

                 10.21    Employment and Consulting Agreement - Michael Taylor.

                 10.22    Employment and Consulting Agreement - Kathleen
                          Taylor.

                 10.23    Loan Agreement and Convertible Debenture dated
                          October 30, 1996 - Renaissance Capital Growth &
                          Income Trust, PLC.





                                       17
<PAGE>   18
                 10.24    Press Release dated October 16, 1996 with respect to
                          the All-Control Systems, Inc. Letter of Intent.

                 27       Financial Data Schedule.

             b)           Reports on From 8-K.
                          During the quarter covered by this report, the
                          Company filed no reports on Form 8-K.




                                       18
<PAGE>   19
                                   SIGNATURES



Pursuant to the requirements of the Securities Exchange Act of 1934, the
Registrant has duly caused this report to be signed on its behalf by the
undersigned thereunto duly authorized.

                                          TOPRO, INC.                          
                                            (Registrant)                       
                                                                               
                                                                               
                                                                               
Date: November 18, 1996                    /s/  John Jenkins                   
     -----------------------------        -------------------------------------
                                          John Jenkins                         
                                          President and Chief Executive Officer
                                                                               
                                                                               
Date: November 18, 1996                    /s/ Thomas Tennessen                
     -----------------------------        -------------------------------------
                                          Thomas Tennessen                     
                                          (Principal Accounting Officer)       
                                                                               




                                       19
<PAGE>   20
                                EXHIBIT INDEX
<TABLE>
<CAPTION>
EXHIBIT
  NO.    DESCRIPTION
- -------  -----------
<S>      <C>
10.19    Employment Agreement dated July 27, 1995 between Registrant and E.  Gregory Fisher.

10.21    Employment and Consulting Agreement - Michael Taylor.

10.22    Employment and Consulting Agreement - Kathleen Taylor.

10.23    Loan Agreement and Convertible Debenture dated October 30, 1996 - Renaissance Capital Growth & Income Trust,
         PLC.

10.24    Press Release dated October 16, 1996 with respect to the All-Control Systems, Inc. Letter of Intent.

 27      Financial Data Schedule.



</TABLE>


                                       20

<PAGE>   1
                                                                   Exhibit 10.19

                              EMPLOYMENT AGREEMENT

         THIS EMPLOYMENT AGREEMENT ("Agreement") is made as of the 26th day of
July, 1995, by and between Topro, Inc., a Colorado corporation (the
"Employer"or "Company") and Gregory Fisher ("Fisher" or the "Employee").

         Pursuant to an Agreement and Plan of Merger dated July 26, 1995, MDCS,
Inc., a company  managed and operated by Fisher, will become and will operate
as a subsidiary of the Company;

         The Company believes Fisher has particular knowledge and expertise
concerning the management and business of MDCS, Inc., and desires to employ
Fisher to serve as President of MDCS, Inc., pursuant to the terms of this
Agreement, and Fisher desires to be so employed;

         In consideration of the mutual covenants contained in this Agreement,
the Employer agrees to employ the Employee and the Employee agrees to be
employed by the Employer upon the terms and conditions hereinafter set forth.


                                   ARTICLE I
                               TERM OF EMPLOYMENT

         1.1     Initial Term.  The initial term of employment hereunder shall
be two years and will commence on August 1, 1995 ("Commencement Date");
provided, however, that if the Agreement and Plan of Merger is not consummated,
this Agreement will be void ab initio.

         1.2     Renewal; Non-Renewal Benefits to Employee.  At the end of  the
initial term of this Agreement, and of any renewal term, the Employee's
employment shall be automatically extended for a two-year term unless either
party has delivered to the other six months' prior notice that this Agreement
will not be extended.   In the event Employer elects not to renew this
Agreement any time prior to its termination, the Employee shall  receive the
benefits provided in Section 5.4(d) hereof.


                                   ARTICLE II
                             DUTIES OF THE EMPLOYEE

         2.1     Duties.  The Employee shall be employed as  President of MDCS,
Inc. ("MDCS"), a wholly-owned subsidiary of Topro, with responsibilities and
authority as are customary for such officer including, but not limited to,
those duties as from time to time may be assigned to Employee by the Company's
President.  Employee shall have full responsibility and authority for the
management and operation of MDCS, subject to the general direction and control
of the Board of Directors and President of the Company.  In addition, Employee
shall serve as a director of MDCS during the term of this Agreement.
<PAGE>   2
         2.2     Extent of Duties.  Employee shall devote all of his working
time, efforts, attention and energies to the business of the Employer and shall
perform such services on behalf of MDCS as his position as President shall
require; provided, however, Fisher shall not be required to personally
guarantee any obligations of the Company or MDCS.


                                  ARTICLE III
                          COMPENSATION OF THE EMPLOYEE

         3.1     Base Compensation.  The Employee shall receive a base salary
of $75,000 per annum, paid according to Employer's normal practices.  This
salary shall be reviewed annually and may be increased from time to time in the
discretion of the Employer's Board of Directors.  If increased, this salary
shall not be decreased thereafter during the term of this Agreement without the
consent of the Employee.  The salary provided in this subsection shall in no
way be deemed exclusive and shall not prevent Employee from participating in
any other compensation or benefit plan of Employer.

         3.2     Grant of Stock Options.

                 a. Employee shall be entitled to receive incentive
compensation for his services hereunder through the grant of options (the
"Options") exercisable to purchase shares of the Company's $.0001 par value
Common Stock ("Common Stock"), to be granted as follows; provided, however, no
option shall be granted if the Employee's employment has been terminated, or if
Notice of Termination (hereafter defined) has been given to Employee by
Employer, before the date of grant specified below:

                          (i)  On Commencement Date, Employer shall grant to
Employee 10,000 Options, exercisable to purchase 10,000 shares of Common Stock
at a price per share equal to the closing bid price of the Common Stock as
reported by Nasdaq on the trading day prior to the Commencement Date; and

                          (ii)  On each anniversary of the Commencement Date,
Employer shall grant to Employee 10,000 Options, exercisable to purchase 10,000
shares of Common Stock at a price per share equal to the closing bid price of
the Common Stock as reported by Nasdaq on the trading day prior to the date of
grant.

                 b.  Options granted hereunder shall be evidenced by a Stock
Option Certificate in the form attached as Exhibit A hereto and incorporated by
this reference herein.  The term of all Options granted will extend 10 years
from the date of their grant.

                 c.   Employee understands that the Options and underlying
Shares are "securities," and are "restricted securities" within the meaning of
Rule 144 of the General Rules and Regulations under the Securities Act of 1933
and applicable state statutes.





                                     -2-
<PAGE>   3
         3.3     Bonus Compensation.

                 a.       Employee shall be entitled to receive bonus
compensation  equal to one percent of the total price received by the Company
for all orders placed during the period of 18 months following the Commencement
Date by customers in the "Southeast Region."  The Southeast Region shall
include Alabama, Georgia, Mississippi, North Carolina and South Carolina, and
possibly Florida,  and will be further defined by the Company and Fisher on the
Commencement Date and set forth on a schedule to this Agreement.  Such bonus
compensation shall be paid to Employee within 30 days following the Company's
receipt of payment for such orders.

                 b.       Employee shall be entitled to earn bonuses up to an
aggregate of $30,000 based upon the Company's achievement during the fiscal
year ending June 30, 1996 of financial performance goals or other "strategic
objectives" which will be agreed to by the Employee and the Company and set
forth on a schedule to this Agreement prior to the Commencement Date.

         3.4     Benefits.

                 a.       Employee shall be entitled to vacation, sick leave
and paid holiday benefits as provided to him by MDCS prior to the date of this
Agreement, and shall receive benefits not less favorable than those, if any,
provided to him by MDCS prior to the date of this Agreement with regard to
other employee benefit plans and employee benefits, including any retirement,
pension, profit-sharing, stock option, insurance, hospital or other plans and
benefits.  Beginning on the first anniversary of the Commencement Date,
Employer shall pay the cost to include Employee's dependents in the MDCS health
insurance plan.  In addition, Employee shall be permitted to participate in the
Company's 401(k) benefit plan to the extent permitted by the terms of the plan.
Participation in any benefit plans shall be in addition to the compensation
otherwise provided for in this Agreement.

                 b.       Employer shall provide for Employee's exclusive use
an automobile (purchase value up to $27,000) or, at the option of Employer,
shall provide an automobile allowance to reimburse and compensate Employee for
reasonable expenses of maintaining one automobile for Employee's use.

                 c.       The Company will pay the premiums for a $500,000 term
life insurance policy, the beneficiary of which shall be determined by the
Employee, as of the Commencement Date.

         3.5     Expenses.  Employee shall be entitled to prompt reimbursement
for all reasonable expenses incurred by Employee in the performance of his
duties hereunder in accordance with the customary practices of the Company.

         3.6     Liability Insurance.  The Company shall pay the costs of
officer's and director's liability insurance coverage of Employee in such
amount and on such terms as provided for other executive officers of the
Company.




                                     -3-
<PAGE>   4
                                   ARTICLE IV
                        NON-COMPETITION; CONFIDENTIALITY


         4.1     Corporate Opportunities.  The Employee will offer to the
Employer any investment or other opportunity in the process control and systems
integration industry  (including without limitation software product
development) or in the other areas of business in which the Company operates of
which he may become aware.  If the Board of Directors of the Employer refuses
the opportunity to participate in the investment or venture, the Employee may
do so as permitted by Section 4.2 hereof and otherwise only if Employee obtains
a consent to do so from a majority of the directors (excluding the Employee).

         4.2     Passive Investment.  The Employee may make passive investments
in companies involved in the process control industry or other industries in
which the Company operates, provided any such investment does not exceed a 5%
equity interest, unless Employee obtains a consent to acquire an equity
interest exceeding 5% from a vote of a majority of the directors (excluding the
Employee).

         4.3     No Competing Interests.  Except as provided in Sections 4.1
and 4.2 hereof, the Employee may not participate in the process control  or
systems integration industry or other areas of business in which the Company is
engaged during the term of this Agreement except through and on behalf of the
Company.

         4.4     Covenant Not to Compete.  After the termination or expiration
of this Agreement, so long as the Employee is entitled to receive salary
continuation and/or severance payments pursuant to Section 5.4 hereof, the
Employee shall not own, manage, operate, control, be employed by, participate
in, or be connected in any manner with the ownership, management, operation or
control of any business operating in the "Southeast Region," as defined by
reference to Section 3.4 hereof which is engaged in the type of business
conducted by the Employer at the time this Agreement terminates.  In the event
of the Employee's actual or threatened breach of this paragraph, the Employer
shall be entitled to a preliminary restraining order and injunction restraining
the Employee from violating its provisions.  Nothing in this Agreement shall be
construed to prohibit the Employer from pursuing any other available remedies
for such breach or threatened breach, including the recovery of damages from
the Employee.

         4.5     Confidentiality.

                 a.       The Employee recognizes and acknowledges that the
information, business, list of the Employer's customers and any other trade
secret or other secret or confidential information relating to Employer's
business as they may exist from time to time are valuable, special and unique
assets of Employer's business.  Therefore, Employee agrees as follows:

                          (i)     That during the term of this Agreement and
for a period of three years after its termination, Employee will hold in
strictest confidence and not disclose, reproduce, publish




                                     -4-
<PAGE>   5
or use in any manner, without the express authorization of the Board of
Directors of the Employer, any information, business, customer lists of other
employees of Employer, or any other secret or confidential matter relating to
any aspect of the Employer's business, except as such disclosure or use may be
required in connection with Employee's work for the Employer.

                          (ii)    That upon request or at the time of leaving
the employ of the Employer the Employee will deliver to the Employer, and not
keep or deliver to anyone else, any and all notes, memoranda, documents and, in
general, any and all material relating to the Employer's business.

                          (iii)   That the Board of Directors of Employer may
from time to time reasonably designate other subject matters requiring
confidentiality and secrecy which shall be deemed to be covered by the terms of
this Agreement.

         b.      The parties agree that the provisions of this Section 4.5
shall terminate or be inoperative as to particular information which (i)
becomes generally available to the public other than as a result of a
disclosure by Employee, or (ii) becomes available to Employee on a
non-confidential basis from a source other than the Company or its agents,
provided that such source is not bound by a confidentiality agreement with the
Company.

         c.      In the event of a breach or threatened breach by the Employee
of the provisions of this Section 4.5, the Employer shall be entitled to an
injunction (i) restraining the Employee from disclosing, in whole or in part,
any information as described above or from rendering any services to any
person, firm, corporation, association or other entity to whom such
information, in whole or in part, has been disclosed or is threatened to be
disclosed; and/or (ii) requiring that Employee deliver to Employer all
information, documents, notes, memoranda and any and all other material as
described above upon Employee's leave of the employ of the Employer.  Nothing
herein shall be construed as prohibiting the Employer from pursuing other
remedies available to the Employer for such breach or threatened breach,
including the recovery of damages from the Employee.


                                   ARTICLE V
                           TERMINATION OF EMPLOYMENT

         5.1     Termination.  The Employee's employment during the initial or
any renewal term of this Agreement  may be terminated without any breach of
this Agreement only under the following circumstances:

                 a.        Death.  This Agreement shall terminate upon the 
death of Employee.

                 b.        Disability.  The Employer may terminate this
Agreement upon the permanent disability of the Employee only in accordance with
Employer's policy applicable to other employees.

                 c.        Cause.  The Employer may terminate the Employee's
employment hereunder for Cause.  For purposes of this Agreement, the Employer
shall have "Cause" to terminate the




                                     -5-
<PAGE>   6
Employee's employment hereunder upon the following:  (1) the failure by the
Employee substantially to perform his duties hereunder (other than any such
failure resulting from the Employee's incapacity due to physical or mental
illness), which failure is not satisfactorily cured within 30 days after
Employer delivers to Employee written demand for substantial performance,
specifying in detail the Employee's failure; (2) willful misconduct by the
Employee  which is materially injurious to the Employer, monetarily or
otherwise; or (3) the willful violation by the Employee of the provisions of
this Agreement.  For purposes of this Section, no act, or failure to act, on
the part of the Employee shall be considered "willful" unless done, or omitted
to be done, not in good faith and without reasonable belief by him that his
action or omission was in the best interest of the Employer.

                 d.       By Employer Other than for Cause.  The Company
shall have the right to  terminate Employee's employment hereunder other than
for cause upon written notification to Employee.

         5.2     Notice of Termination.  Any termination of the Employee's
employment by the Employer (other than termination pursuant to subsection 5.1
(a) above) shall be communicated by written Notice of Termination to the
Employee.

         5.3     Date of Termination.  "Date of Termination" shall mean (i) if
the Employee's employment is terminated by his death, the date of his death;
(ii) if the Employee's employment is terminated for cause, the date on which a
notice  of termination is received by the Employee; and (iii) if the Employee's
employment is terminated for any other reason, the date specified in a Notice
of Termination by Employer, which date shall be no less than 30 days following
the date on which Notice of Termination is given.

         5.4     Payment of Bonus Compensation, Salary and Benefits Following
Termination.  Upon termination of Fisher's employment hereunder, the Company
shall pay to Fisher all accrued but unpaid bonus compensation due pursuant to
Section 3.3 hereof and accrued but unpaid vacation benefits due pursuant to
Section 3.4 hereof.  Employee shall be entitled to receive salary continuation
payments as follows:

                 a.       Following the termination of this Agreement pursuant
to Section 5.1(a), Employer shall pay to Employee's estate the base salary
payments which would otherwise be payable to Employee to the end of the month
in which his death occurs.  This payment shall be in addition to life insurance
benefits, if any, paid to Employee's estate under policies for which the
Employer pays all premiums and Employee's estate is the beneficiary.

                 b.       In the event of temporary or permanent disability of
the Employee as described in Section 5.1 (b) hereof, whether or not the
Employer elects to terminate this Agreement, Employee shall be entitled to
receive base salary payments for services through the Date of Termination and
such disability compensation and benefits, if any, as are payable to employees
generally in accordance with the policy of Employer.




                                     -6-
<PAGE>   7
                 c.       Following the termination of this Agreement pursuant
to Section 5.1 (c), the Employee shall be entitled to base salary payments for
services through the Date of Termination.

                 d.       In the event Employer elects at any time not to renew
this Agreement,  Employee shall be entitled to receive severance payments equal
to six months' of his monthly base salary payments which, at the option of the
Employer, may be paid in six monthly installments or in one lump sum within 30
days following the Date of Termination.

                 e.       In the event this Agreement is terminated by Employer
pursuant to Section 5.1(d) hereof, Employee shall be entitled to be paid his
base salary for the balance of the term of the Agreement; provided, however,
that the Employer's obligation to continue salary payments shall be reduced by
the severance payments paid to Employee pursuant to Section 5.4(d); and further
provided that the Employer's obligation to make such payments shall cease as of
the date on which Employee accepts other full-time employment.

         5.5     Remedies.  Any termination of this Agreement shall not
prejudice any other remedy to which the Employer or Employee may be entitled,
either at law, equity, or under this Agreement.


                                   ARTICLE VI
                               GENERAL PROVISIONS

         6.1     Governing Law.  This Agreement shall be governed by and
construed in accordance with the laws of the State of Colorado.

         6.2     Arbitration.  Any controversy or claim arising out of or
relating to this Agreement or the breach thereof shall be settled by
arbitration in the City and County of Denver, Colorado in accordance with the
rules then existing of the American Arbitration Association and judgment upon
the award may be entered in any court having jurisdiction thereof.

         6.3     Entire Agreement.  This Agreement supersedes any and all other
Agreements, whether oral or in writing, between the parties with respect to the
employment of the Employee by the Employer.  Each party to this Agreement
acknowledges that no representations, inducements, promises, or agreements,
orally or otherwise, have been made by either party, or anyone acting on behalf
of any party, that are not embodied in this Agreement, and that no agreement,
statement, or promise not contained in this Agreement shall be valid or
binding.

         6.4     Successors and Assigns.  This Agreement, all terms and
conditions hereunder, and all remedies arising herefrom, shall inure to the
benefit of and be binding upon Employer, any successor in interest to all or
substantially all of the business and/or assets of Employer, and the heirs,
administrators, successors and assigns of Employee.  Except as provided in the
preceding sentence, the rights and obligations of the parties hereto may not be
assigned or transferred by either party without the prior written consent of
the other party.




                                     -7-
<PAGE>   8
         6.5     Notices.  For purposes of this Agreement, notices, demands and
all other communications provided for in this Agreement shall be in writing and
shall be deemed to have been duly given when delivered or mailed by United
States registered mail, return receipt requested, postage prepaid, addressed as
follows:

         If to Employee:          Gregory Fisher
                                  P. O. Box 19814
                                  Atlanta GA  19814


         If to Employer:          Topro, Inc.
                                  Attn: John Jenkins, President
                                  2626 West Evans Avenue
                                  Denver,  CO  80219


or to such other address as either party may have furnished to the other in
writing in accordance herewith, except that notices of change of address shall
be effective only upon receipt.

         6.6     Severability.  If any provision of this Agreement is
prohibited by or is unlawful or unenforceable under any applicable law of any
jurisdiction as to such jurisdiction, such provision shall be ineffective to
the extent of such prohibition without invalidating the remaining provisions
hereof.

         6.7     Section Headings.  The section headings used in this Agreement
are for convenience only and shall not affect the construction of any terms of
this Agreement.

         6.8     Survival of Obligations.  Termination of this Agreement for
any reason shall not relieve Employer or Employee of any obligation accruing or
arising prior to such termination.

         6.9     Amendments.  This Agreement may be amended only by written
agreement of both Employer and Employee.

         6.10    Counterparts.  This Agreement may be executed in one or more
counterparts, each of which shall constitute an original but all of which, when
taken together, shall constitute only one legal instrument.  This Agreement
shall become effective when copies hereof, when taken together, shall bear the
signatures of both parties hereto.  It shall not be necessary in making proof
of this Agreement to produce or account for more than one such counterpart.




                                     -8-
<PAGE>   9
         6.11     Fees and Costs.  If any action at law or in equity is
necessary to enforce or interpret the terms of this Agreement, the prevailing
party shall be entitled to reasonable attorneys fees, costs and necessary
disbursements in addition to any other relief to which that party may be
entitled.

                                           "EMPLOYER"
                                            TOPRO, INC.

                                            By
                                              ----------------------------------
                                                John Jenkins, President

                                           "EMPLOYEE"

                                            -----------------------------------
                                            Gregory Fisher




                                     -9-

<PAGE>   1

                                                                    Exibit 10.21
                              EMPLOYMENT AGREEMENT

         THIS EMPLOYMENT AGREEMENT ("Agreement") is made as of the  22nd  day
of May, 1996, by and between Topro, Inc., a Colorado corporation (the
"Employer" or "Company") and Michael Taylor ("Employee").

         Pursuant to an Agreement of Merger ("Merger Agreement") dated May
17th, 1996, Visioneering Holding Corporation, ("VI"), a company of which
Employee is a key employee, will become and will operate as a subsidiary of the
Company;

         The Company believes Employee has particular knowledge and expertise
concerning the management and business of VI, and desires to employ Employee to
serve as an employee of VI following the Company's acquisition of VI pursuant
to the terms of this Agreement, and Employee desires to be so employed;

         In consideration of the mutual covenants contained in this Agreement,
the Employer agrees to employ the Employee and the Employee agrees to be
employed by the Employer upon the terms and conditions hereinafter set forth.

                                   ARTICLE I
                               TERM OF EMPLOYMENT

         1.1     Term.  The term of this Agreement shall be 6 months and will
commence on the Closing Date of the Merger Agreement.  If the Merger Agreement
is not consummated, this Agreement will be void ab initio.

         1.2     Employment Following Term of Agreement.  At the end of  the
term of this Agreement, employee will convert to an independent consultant and
provide service to VI and Topro according to the terms of the consulting
agreement attached at Appendix I.

                                   ARTICLE II
                             DUTIES OF THE EMPLOYEE

         2.1     Duties.  The Employee shall be employed as  Senior Vice
President of Corporate Marketing and Product Development of VI and Topro, with
responsibilities and authority as are customary for such position (including,
but not limited to, those duties as from time to time may be assigned to
Employee by the President of VI).  Employee shall be subject to the general
direction and control of the Board of Directors and President of the Company.

         2.2     Extent of Duties.  Employee shall devote all of his working
time, efforts, attention and energies to the business of the Employer and shall
perform such services on behalf of VI and the Company as his position shall
require.





<PAGE>   2
                                  ARTICLE III
                          COMPENSATION OF THE EMPLOYEE

         3.1     Base Compensation.  The Employee shall receive a base salary
of $ 140,000 per annum, paid according to Employer's normal practices.  This
salary shall be reviewed annually and may be increased from time to time in the
discretion of the Employer's Board of Directors.  If increased, this salary
shall not be decreased thereafter during the term of this Agreement without the
consent of the Employee.  The salary provided for in this subsection shall in
no way be deemed exclusive and shall not prevent Employee from participating in
any other compensation or benefit plan of Employer.

         3.2     Bonus Compensation.  Employee shall be entitled to receive
bonus compensation  as determined by the Company's Board of Directors.

         3.3     Benefits.  Employee shall be entitled to vacation, sick leave
and paid holiday benefits as provided to him by VI prior to the date of this
Agreement, and shall receive benefits not less favorable than those, if any,
provided to him by VI prior to the date of this Agreement with regard to other
employee benefit plans and employee benefits, including any retirement,
pension, profit-sharing, stock option, insurance, hospital or other plans and
benefits.  Participation in any benefit plans shall be in addition to the
compensation otherwise provided for in this Agreement.

         3.4     Expenses.  Employee shall be entitled to prompt reimbursement
for all reasonable expenses incurred by Employee in the performance of his
duties thereunder in accordance with the customary practices of the Company.

                                   ARTICLE IV
                        NON-COMPETITION; CONFIDENTIALITY

         4.1     Corporate Opportunities.  The Employee will offer to the
Employer any investment or other opportunity in the process control and systems
integration industry  (including without limitation software product
development) or in the other areas of business in which the Company operates of
which he may become aware.  If the Board of Directors of the Employer refuses
the opportunity to participate in the investment or venture, the Employee may
do so as permitted by Section 4.2 hereof and otherwise only if Employee obtains
a consent to do so from a majority of the directors.

         4.2     Passive Investment.  The Employee may make passive investments
in companies involved in the process control industry or other industries in
which the Company operates, provided any such investment does not exceed a 5%
equity interest, unless Employee obtains a consent to acquire an equity
interest exceeding 5% from a vote of a majority of the directors.

         4.3     No Competing Interests.  Except as provided in Sections 4.1
and 4.2 hereof, the Employee may not participate in the process control  or
systems integration industry or other





<PAGE>   3
areas of business in which the Company is engaged during the term of this
Agreement except through and on behalf of the Company.

         4.4     Covenant Not to Compete.  For a period of 12 months after the
termination or expiration of this Agreement, or such longer period as the
Employee is entitled to receive salary continuation and/or severance payments
pursuant to Section 5.4 hereof, the Employee shall not own, manage, operate,
control, be employed by, participate in, or be connected in any manner with the
ownership, management, operation or control of any business which is engaged in
the type of business conducted by the Employer at the time this Agreement
terminates.  In the event of the Employee's actual or threatened breach of this
paragraph, the Employer shall be entitled to a preliminary restraining order
and injunction restraining the Employee from violating its provisions.  Nothing
in this Agreement shall be construed to prohibit the Employer from pursuing any
other available remedies for such breach or threatened breach, including the
recovery of damages from the Employee.

         4.5     Confidentiality.

                 a.       The Employee recognizes and acknowledges that the
information, business, list of the Employer's customers and any other trade
secret or other secret or confidential information relating to Employer's
business as they may exist from time to time are valuable, special and unique
assets of Employer's business.  Therefore, Employee agrees as follows:

                          (i)     That during the term of this Agreement and
for a period of three years after its termination, Employee will hold in
strictest confidence and not disclose, reproduce, publish or use in any manner,
without the express authorization of the Board of Directors of the Employer,
any information, business, customer lists of other employees of Employer, or
any other secret or confidential matter relating to any aspect of the
Employer's business, except as such disclosure or use may be required in
connection with Employee's work for the Employer.

                          (ii)    That upon request or at the time of leaving
the employ of the Employer the Employee will deliver to the Employer, and not
keep or deliver to anyone else, any and all notes, memoranda, documents and, in
general, any and all material relating to the Employer's business.

                          (iii)   That the Board of Directors of Employer may
from time to time reasonably designate other subject matters requiring
confidentiality and secrecy which shall be deemed to be covered by the terms of
this Agreement.

         b.      The parties agree that the provisions of this Section 4.5
shall terminate or be inoperative as to particular information which (i)
becomes generally available to the public other than as a result of a
disclosure by Employee, or (ii) becomes available to Employee on a
non-confidential basis from a source other than the Company or its agents,
provided that such source is not bound by a confidentiality agreement with the
Company.





<PAGE>   4
         c.      In the event of a breach or threatened breach by the Employee
of the provisions of this Section 4.5, the Employer shall be entitled to an
injunction (i) restraining the Employee from disclosing, in whole or in part,
any information as described above or from rendering any services to any
person, firm, corporation, association or other entity to whom such
information, in whole or in part, has been disclosed or is threatened to be
disclosed; and/or (ii) requiring that Employee deliver to Employer all
information, documents, notes, memoranda and any and all other material as
described above upon Employee's leave of the employ of the Employer.  Nothing
herein shall be construed as prohibiting the Employer from pursuing other
remedies available to the Employer for such breach or threatened breach,
including the recovery of damages from the Employee.     Employer's ability to
recover damages from employee will be limited to a cumulative sum of $1,000,000
not including attorney's fees and other costs.

                                   ARTICLE V
                           TERMINATION OF EMPLOYMENT

         5.1     Termination.  The Employee's employment during the initial or
any renewal term of this Agreement  may be terminated without any breach of
this Agreement only under the following circumstances:

                 a.         Death.  This Agreement shall terminate upon the
death of Employee.

                 b.        Disability.  The Employer may terminate this
Agreement upon the permanent disability of the Employee only in accordance with
Employer's policy applicable to other employees.

                 c.        Cause.  The Employer may terminate the Employee's
employment thereunder for Cause.  For purposes of this Agreement, the Employer
shall have "Cause" to terminate the Employee's employment thereunder upon the
following:  (1) the failure by the Employee substantially to perform his duties
thereunder (other than any such failure resulting from the Employee's
incapacity due to physical or mental illness), which failure is not
satisfactorily cured within 30 days after Employer delivers to Employee written
demand for substantial performance, specifying in detail the Employee's
failure; (2) willful misconduct by the Employee which is materially injurious
to the Employer, monetarily or otherwise; or (3) the willful violation by the
Employee of the provisions of this Agreement.  For purposes of this Section, no
act, or failure to act, on the part of the Employee shall be considered
"willful" unless done, or omitted to be done, not in good faith and without
reasonable belief by him that his action or omission was in the best interest
of the Employer.

                 d.       By Employer Other than for Cause.         The Company
shall have the right to  terminate Employee's employment thereunder other than
for cause upon written notification to Employee.





<PAGE>   5
         5.2     Notice of Termination.  Any termination of the Employee's
employment by the Employer (other than termination pursuant to subsection 5.1
(a) above) shall be communicated by written Notice of Termination to the
Employee.

         5.3     Date of Termination.  "Date of Termination" shall mean (i) if
the Employee's employment is terminated by his death, the date of his death;
(ii) if the Employee's employment is terminated for cause, the date on which a
notice  of termination is received by the Employee; and (iii) if the Employee's
employment is terminated for any other reason, the date specified in a Notice
of Termination by Employer, which date shall be no less than 30 days following
the date on which Notice of Termination is given.

         5.4     Payment of Compensation Following Termination.  Upon
termination of Employee's employment thereunder, the Company shall pay to
Employee all accrued but unpaid compensation due pursuant to Section 3 hereof.
Employee shall be entitled to receive payments as follows:

                 a.       Following the termination of this Agreement pursuant
to Section 5.1(a), Employer shall pay to Employee's estate the base salary
payments which would otherwise be payable to Employee to the end of the month
in which his death occurs.  This payment shall be in addition to life insurance
benefits, if any, paid to Employee's estate under policies for which the
Employer pays all premiums and Employee's estate is the beneficiary.

                 b.       In the event of temporary or permanent disability of
the Employee as described in Section 5.1 (b) hereof, whether or not the
Employer elects to terminate this Agreement, Employee shall be entitled to
receive base salary payments for services through the Date of Termination and
such disability compensation and benefits, if any, as are payable to employees
generally in accordance with the policy of Employer.

                 c.       Following the termination of this Agreement pursuant
to Section 5.1 (c) or due to voluntary termination by Employee, the Employee
shall be entitled to base salary payments for services through the Date of
Termination.

                 d.       In the event this Agreement is terminated by Employer
pursuant to Section 5.1(d) hereof, Employee shall be entitled to be paid his
base salary for the balance of the term of the Agreement; provided, however,
that the Employer's obligation to make such payments shall cease as of the date
on which Employee accepts other full-time employment (which shall include self-
employment, engagement as an independent contractor  or other professional
activity for which equivalent compensation is received).

         5.5     Remedies.  Any termination of this Agreement shall not
prejudice any other remedy to which the Employer or Employee may be entitled,
either at law, equity, or under this Agreement.





<PAGE>   6
                                   ARTICLE VI
                               GENERAL PROVISIONS

         6.1     Governing Law.  This Agreement shall be governed by and
construed in accordance with the laws of the State of Colorado.

         6.2     Arbitration.  Any controversy or claim arising out of or
relating to this Agreement or the breach thereof shall be settled by
arbitration in the City and County of Denver, Colorado in accordance with the
rules then existing of the American Arbitration Association and judgment upon
the award may be entered in any court having jurisdiction thereof.

         6.3     Entire Agreement.  This Agreement supersedes any and all other
Agreements, whether oral or in writing, between the parties with respect to the
employment of the Employee by the Employer.  Each party to this Agreement
acknowledges that no representations, inducements, promises, or agreements,
orally or otherwise, have been made by either party, or anyone acting on behalf
of any party, that are not embodied in this Agreement, and that no agreement,
statement, or promise not contained in this Agreement shall be valid or
binding.

         6.4     Successors and Assigns.  This Agreement, all terms and
conditions thereunder, and all remedies arising here from, shall inure to the
benefit of and be binding upon Employer, any successor in interest to all or
substantially all of the business and/or assets of Employer, and the heirs,
administrators, successors and assigns of Employee.  Except as provided in the
preceding sentence, the rights and obligations of the parties hereto may not be
assigned or transferred by either party without the prior written consent of
the other party.

         6.5     Notices.  For purposes of this Agreement, notices, demands and
all other communications provided for in this Agreement shall be in writing and
shall be deemed to have been duly given when delivered or mailed by United
States registered mail, return receipt requested, postage prepaid, addressed as
follows:

If to Employee:
17331 Almelo Lane
Huntington Beach Ca.
92649

OR __________





<PAGE>   7
If to Employer:

Topro, Inc.
Attn: John Jenkins, President
2626 West Evans Avenue
Denver,  CO  80219

or to such other address as either party may have furnished to the other in
writing in accordance herewith, except that notices of change of address shall
be effective only upon receipt.

         6.6     Severability.  If any provision of this Agreement is
prohibited by or is unlawful or unenforceable under any applicable law of any
jurisdiction as to such jurisdiction, such provision shall be ineffective to
the extent of such prohibition without invalidating the remaining provisions
hereof.

         6.7     Section Headings.  The section headings used in this Agreement
are for convenience only and shall not affect the construction of any terms of
this Agreement.

         6.8     Survival of Obligations.  Termination of this Agreement for
any reason shall not relieve Employer or Employee of any obligation accruing or
arising prior to such termination.

         6.9     Amendments.  This Agreement may be amended only by a written
agreement executed on behalf of both Employer and Employee.

         6.10    Counterparts.  This Agreement may be executed in one or more
counterparts, each of which shall constitute an original but all of which, when
taken together, shall constitute only one legal instrument.  This Agreement
shall become effective when copies hereof, when taken together, shall bear the
signatures of both parties hereto.  It shall not be necessary in making proof
of this Agreement to produce or account for more than one such counterpart.

         6.11     Fees and Costs.  If any action at law or in equity is
necessary to enforce or interpret the terms of this Agreement, the prevailing
party shall be entitled to reasonable attorneys fees, costs and necessary
disbursements in addition to any other relief to which that party may be
entitled.

"EMPLOYER"
TOPRO, INC.

By__________________________________
  John Jenkins, President

"EMPLOYEE"

_____________________________________
  Michael Taylor





<PAGE>   8
                                                                   Exhibit 10.21

                    AMENDMENT TO EMPLOYMENT AGREEMENT

    THIS AMENDMENT TO EMPLOYMENT AGREEMENT is made as of the 18th day of
September, 1996, and is intended to modify the Employment Agreement
("Agreement") dated as of the 22nd day of May 1996 by and between Topro, Inc.,
a Colorado corporation (the "Employer" or "Company") and Michael Taylor 
("Employee").

    WHEREAS, in addition to the cash compensation provided for in the
Agreement, the Company desires to provide an incentive for the Employee to put
forth maximum efforts for the success of the combined operations of the Company
and VI, and Employee is willing to be so compensated; and

    WHEREAS, to provide such incentive, the Company's Board of Directors has
authorized the grant to Employee of certain stock purchase options, and the
parties desire to amend the referenced employment agreement to reflect the
issuance of those options to Employee;

    NOW, THEREFORE, in consideration of the mutual premises herein contained,
the parties agree as follows:

1.  Article III of the Agreement is amended by the addition of a new Paragraph
3.5, as follows:

        3.5 Grant of Stock Option.  The Company's Board of Directors shall
    grant to Employee an option to purchase 150,000 shares of the Company's 
    Common Stock, exercisable at a price of $2.25 per share. The option shall be
    exercisable for a term of 10 years following the date of grant.

2.  Except for the change effected by the addition of new Paragraph 3.5, the
terms of the Agreement are not intended to be modified and shall remain in full
force and effect.

    IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be
duly executed as of the date and year first written above.


                                  "EMPLOYER"
                                  TOPRO, INC.


                                  By
                                    --------------------------------
                                    John Jenkins, President


                                  "EMPLOYEE"



                                  ----------------------------------
                                  Michael Taylor




<PAGE>   1

                                                                    Exibit 10.22


                              EMPLOYMENT AGREEMENT

         THIS EMPLOYMENT AGREEMENT ("Agreement") is made as of the  22nd day of
May, 1996, by and between Topro, Inc., a Colorado corporation (the "Employer"
or "Company") and Kathleen Taylor ("Employee").

         Pursuant to an Agreement of Merger ("Merger Agreement") dated May
17th, 1996, Visioneering Holding Corporation, ("VI"), a company of which
Employee is a key employee, will become and will operate as a subsidiary of the
Company;

         The Company believes Employee has particular knowledge and expertise
concerning the management and business of VI, and desires to employ Employee to
serve as an employee of VI following the Company's acquisition of VI pursuant
to the terms of this Agreement, and Employee desires to be so employed;

         In consideration of the mutual covenants contained in this Agreement,
the Employer agrees to employ the Employee and the Employee agrees to be
employed by the Employer upon the terms and conditions hereinafter set forth.

                                   ARTICLE I
                               TERM OF EMPLOYMENT

         1.1     Term.  The term of this Agreement shall be five months and
will commence on the Closing Date of the Merger Agreement.  If the Merger
Agreement is not consummated, this Agreement will be void ab initio.

         1.2     Employment Following Term of Agreement.  At the end of  the
term of this Agreement employee will beomce a consultant to Employer in
accordance with the consulting agreement at Appendix I.

                                   ARTICLE II
                             DUTIES OF THE EMPLOYEE

         2.1     Duties.  The Employee shall be employed as Senior Technical
Consultant of VI, a wholly-owned subsidiary of Topro, with responsibilities and
authority as are customary for such position (including, but not limited to,
those duties as from time to time may be assigned to Employee by the President
of VI).  Employee shall be subject to the general direction and control of the
Board of Directors and President of the Company.





<PAGE>   2




         2.2     Extent of Duties.  Employee shall devote all of her working
time, efforts, attention and energies to the business of the Employer and shall
perform such services on behalf of VI and the Company as his position shall
require.





<PAGE>   3
                                                                    Exibit 10.22


                                  ARTICLE III
                          COMPENSATION OF THE EMPLOYEE

         3.1     Base Compensation.  The Employee shall receive a base salary
of $120,000  per annum, paid according to Employer's normal practices.  This
salary shall be reviewed annually and may be increased from time to time in the
discretion of the Employer's Board of Directors.  If increased, this salary
shall not be decreased thereafter during the term of this Agreement without the
consent of the Employee.  The salary provided for in this subsection shall in
no way be deemed exclusive and shall not prevent Employee from participating in
any other compensation or benefit plan of Employer.

         3.2     Bonus Compensation.  Employee shall be entitled to receive
bonus compensation  as determined by the Company's Board of Directors.

         3.3     Benefits.  Employee shall be entitled to vacation, sick leave
and paid holiday benefits as provided to him by VI prior to the date of this
Agreement, and shall receive benefits not less favorable than those, if any,
provided to him by VI prior to the date of this Agreement with regard to other
employee benefit plans and employee benefits, including any retirement,
pension, profit-sharing, stock option, insurance, hospital or other plans and
benefits.  Participation in any benefit plans shall be in addition to the
compensation otherwise provided for in this Agreement.

         3.4     Expenses.  Employee shall be entitled to prompt reimbursement
for all reasonable expenses incurred by Employee in the performance of his
duties thereunder in accordance with the customary practices of the Company.


                                   ARTICLE IV
                        NON-COMPETITION; CONFIDENTIALITY

         4.1     Corporate Opportunities.  The Employee will offer to the
Employer any investment or other opportunity in the process control and systems
integration industry  (including without limitation software product
development) or in the other areas of business in which the Company operates of
which she may become aware.  If the Board of Directors of the Employer refuses
the opportunity to participate in the investment or venture, the Employee may
do so as permitted by Section 4.2 hereof and otherwise only if Employee obtains
a consent to do so from a majority of the directors (excluding the Employee).

         4.2     Passive Investment.  The Employee may make passive investments
in companies involved in the process control industry or other industries in
which the Company operates, provided any such investment does not exceed a 5%
equity interest, unless Employee obtains a





<PAGE>   4




consent to acquire an equity interest exceeding 5% from a vote of a majority of
the directors (excluding the Employee).

         4.3     No Competing Interests.  Except as provided in Sections 4.1
and 4.2 hereof, the Employee may not participate in the process control  or
systems integration industry or other areas of business in which the Company is
engaged during the term of this Agreement except through and on behalf of the
Company.

         4.4     Covenant Not to Compete.  For a period of 12 months after the
termination or expiration of this Agreement, or such longer period as the
Employee is entitled to receive salary continuation and/or severance payments
pursuant to Section 5.4 hereof, the Employee shall not own, manage, operate,
control, be employed by, participate in, or be connected in any manner with the
ownership, management, operation or control of any business which is engaged in
the type of business conducted by the Employer at the time this Agreement
terminates.  In the event of the Employee's actual or threatened breach of this
paragraph, the Employer shall be entitled to a preliminary restraining order
and injunction restraining the Employee from violating its provisions.  Nothing
in this Agreement shall be construed to prohibit the Employer from pursuing any
other available remedies for such breach or threatened breach, including the
recovery of damages from the Employee. Employer's ability to recover damages
from employee will be limited to a cumulative sum of $1,000,000 not including
attorney's fees and other costs.


         4.5     Confidentiality.

                 a.       The Employee recognizes and acknowledges that the
information, business, list of the Employer's customers and any other trade
secret or other secret or confidential information relating to Employer's
business as they may exist from time to time are valuable, special and unique
assets of Employer's business.  Therefore, Employee agrees as follows:

                          (i)     That during the term of this Agreement and
for a period of three years after its termination, Employee will hold in
strictest confidence and not disclose, reproduce, publish or use in any manner,
without the express authorization of the Board of Directors of the Employer,
any information, business, customer lists of other employees of Employer, or
any other secret or confidential matter relating to any aspect of the
Employer's business, except as such disclosure or use may be required in
connection with Employee's work for the Employer.

                          (ii)    That upon request or at the time of leaving
the employ of the Employer the Employee will deliver to the Employer, and not
keep or deliver to anyone else, any and all notes, memoranda, documents and, in
general, any and all material relating to the Employer's business.





<PAGE>   5
                                                                    Exibit 10.22



                          (iii)   That the Board of Directors of Employer may
from time to time reasonably designate other subject matters requiring
confidentiality and secrecy which shall be deemed to be covered by the terms of
this Agreement.

         b.      The parties agree that the provisions of this Section 4.5
shall terminate or be inoperative as to particular information which (i)
becomes generally available to the public other than as a result of a
disclosure by Employee, or (ii) becomes available to Employee on a
non-confidential basis from a source other than the Company or its agents,
provided that such source is not bound by a confidentiality agreement with the
Company.

         c.      In the event of a breach or threatened breach by the Employee
of the provisions of this Section 4.5, the Employer shall be entitled to an
injunction (i) restraining the Employee from disclosing, in whole or in part,
any information as described above or from rendering any services to any
person, firm, corporation, association or other entity to whom such
information, in whole or in part, has been disclosed or is threatened to be
disclosed; and/or (ii) requiring that Employee deliver to Employer all
information, documents, notes, memoranda and any and all other material as
described above upon Employee's leave of the employ of the Employer.  Nothing
herein shall be construed as prohibiting the Employer from pursuing other
remedies available to the Employer for such breach or threatened breach,
including the recovery of damages from the Employee.    Employer's ability to
recover damages from employee will be limited to a cumulative sum of $1,000,000
not including attorney's fees and other costs.


                                   ARTICLE V
                           TERMINATION OF EMPLOYMENT

         5.1     Termination.  The Employee's employment during the initial or
any renewal term of this Agreement  may be terminated without any breach of
this Agreement only under the following circumstances:

                 a.         Death.  This Agreement shall terminate upon the
death of Employee.

                 b.        Disability.  The Employer may terminate this
Agreement upon the permanent disability of the Employee only in accordance with
Employer's policy applicable to other employees.

                 c.        Cause.  The Employer may terminate the Employee's
employment thereunder for Cause.  For purposes of this Agreement, the Employer
shall have "Cause" to terminate the Employee's employment thereunder upon the
following:  (1) the failure by the Employee substantially to perform his duties
thereunder (other than any such failure resulting from the Employee's
incapacity due to physical or mental illness), which failure is not
satisfactorily





<PAGE>   6




cured within 30 days after Employer delivers to Employee written demand for
substantial performance, specifying in detail the Employee's failure; (2)
willful misconduct by the Employee  which is materially injurious to the
Employer, monetarily or otherwise; or (3) the willful violation by the Employee
of the provisions of this Agreement.  For purposes of this Section, no act, or
failure to act, on the part of the Employee shall be considered "willful"
unless done, or omitted to be done, not in good faith and without reasonable
belief by her that her action or omission was in the best interest of the
Employer.

                 d.       By Employer Other than for Cause.         The Company
shall have the right to  terminate Employee's employment thereunder other than
for cause upon written notification to Employee.

         5.2     Notice of Termination.  Any termination of the Employee's
employment by the Employer (other than termination pursuant to subsection 5.1
(a) above) shall be communicated by written Notice of Termination to the
Employee.

         5.3     Date of Termination.  "Date of Termination" shall mean (i) if
the Employee's employment is terminated by his death, the date of his death;
(ii) if the Employee's employment is terminated for cause, the date on which a
notice  of termination is received by the Employee; and (iii) if the Employee's
employment is terminated for any other reason, the date specified in a Notice
of Termination by Employer, which date shall be no less than 30 days following
the date on which Notice of Termination is given.

         5.4     Payment of Compensation Following Termination.  Upon
termination of Employee's employment thereunder, the Company shall pay to
Employee all accrued but unpaid compensation due pursuant to Section 3 hereof.
Employee shall be entitled to receive payments as follows:

                 a.       Following the termination of this Agreement pursuant
to Section 5.1(a), Employer shall pay to Employee's estate the base salary
payments which would otherwise be payable to Employee to the end of the month
in which her death occurs.  This payment shall be in addition to life insurance
benefits, if any, paid to Employee's estate under policies for which the
Employer pays all premiums and Employee's estate is the beneficiary.

                 b.       In the event of temporary or permanent disability of
the Employee as described in Section 5.1 (b) hereof, whether or not the
Employer elects to terminate this Agreement, Employee shall be entitled to
receive base salary payments for services through the Date of Termination and
such disability compensation and benefits, if any, as are payable to employees
generally in accordance with the policy of Employer.





<PAGE>   7
                                                                    Exibit 10.22


                 c.       Following the termination of this Agreement pursuant
to Section 5.1 (c) or due to voluntary termination by Employee, the Employee
shall be entitled to base salary payments for services through the Date of
Termination.

                 d.       In the event this Agreement is terminated by Employer
pursuant to Section 5.1(d) hereof, Employee shall be entitled to be paid his
base salary for the balance of the term of the Agreement; provided, however,
that the Employer's obligation to make such payments shall cease as of the date
on which Employee accepts other full-time employment (which shall include self-
employment, engagement as an independent contractor  or other professional
activity for which equivalent compensation is received).

         5.5     Remedies.  Any termination of this Agreement shall not
prejudice any other remedy to which the Employer or Employee may be entitled,
either at law, equity, or under this Agreement.

                                   ARTICLE VI
                               GENERAL PROVISIONS

         6.1     Governing Law.  This Agreement shall be governed by and
construed in accordance with the laws of the State of Colorado.

         6.2     Arbitration.  Any controversy or claim arising out of or
relating to this Agreement or the breach thereof shall be settled by
arbitration in the City and County of Denver, Colorado in accordance with the
rules then existing of the American Arbitration Association and judgment upon
the award may be entered in any court having jurisdiction thereof.

         6.3     Entire Agreement.  This Agreement supersedes any and all other
Agreements, whether oral or in writing, between the parties with respect to the
employment of the Employee by the Employer.  Each party to this Agreement
acknowledges that no representations, inducements, promises, or agreements,
orally or otherwise, have been made by either party, or anyone acting on behalf
of any party, that are not embodied in this Agreement, and that no agreement,
statement, or promise not contained in this Agreement shall be valid or
binding.

         6.4     Successors and Assigns.  This Agreement, all terms and
conditions thereunder, and all remedies arising here from, shall inure to the
benefit of and be binding upon Employer, any successor in interest to all or
substantially all of the business and/or assets of Employer, and the heirs,
administrators, successors and assigns of Employee.  Except as provided in the
preceding sentence, the rights and obligations of the parties hereto may not be
assigned or transferred by either party without the prior written consent of
the other party.





<PAGE>   8




         6.5     Notices.  For purposes of this Agreement, notices, demands and
all other communications provided for in this Agreement shall be in writing and
shall be deemed to have been duly given when delivered or mailed by United
States registered mail, return receipt requested, postage prepaid, addressed as
follows:

If to Employee:  _____________________________
17331 Almelo Lane
Huntington Beach Ca.
92649

OR __________

If to Employer:
Topro, Inc.
Attn: John Jenkins, President
2626 West Evans Avenue
Denver,  CO  80219

or to such other address as either party may have furnished to the other in
writing in accordance herewith, except that notices of change of address shall
be effective only upon receipt.

         6.6     Severability.  If any provision of this Agreement is
prohibited by or is unlawful or unenforceable under any applicable law of any
jurisdiction as to such jurisdiction, such provision shall be ineffective to
the extent of such prohibition without invalidating the remaining provisions
hereof.

         6.7     Section Headings.  The section headings used in this Agreement
are for convenience only and shall not affect the construction of any terms of
this Agreement.

         6.8     Survival of Obligations.  Termination of this Agreement for
any reason shall not relieve Employer or Employee of any obligation accruing or
arising prior to such termination.

         6.9     Amendments.  This Agreement may be amended only by a written
agreement executed on behalf of both Employer and Employee.

         6.10    Counterparts.  This Agreement may be executed in one or more
counterparts, each of which shall constitute an original but all of which, when
taken together, shall constitute only one legal instrument.  This Agreement
shall become effective when copies hereof, when taken together, shall bear the
signatures of both parties hereto.  It shall not be necessary in making proof
of this Agreement to produce or account for more than one such counterpart.





<PAGE>   9
                                                                    Exibit 10.22



         6.11     Fees and Costs.  If any action at law or in equity is
necessary to enforce or interpret the terms of this Agreement, the prevailing
party shall be entitled to reasonable attorneys fees, costs and necessary
disbursements in addition to any other relief to which that party may be
entitled.

"EMPLOYER"
TOPRO, INC.

By__________________________________
     John Jenkins, President

"EMPLOYEE"

_____________________________________
     Kathleen Taylor





<PAGE>   10
                                                                   Exhibit 10.22

                    AMENDMENT TO EMPLOYMENT AGREEMENT

    THIS AMENDMENT TO EMPLOYMENT AGREEMENT is made as of the 18th day of
September, 1996, and is intended to modify the Employment Agreement
("Agreement") dated as of the 22nd day of May 1996 by and between Topro, Inc.,
a Colorado corporation (the "Employer" or "Company") and Kathleen Taylor 
("Employee").

    WHEREAS, in addition to the cash compensation provided for in the
Agreement, the Company desires to provide an incentive for the Employee to put
forth maximum efforts for the success of the combined operations of the Company
and VI, and Employee is willing to be so compensated; and

    WHEREAS, to provide such incentive, the Company's Board of Directors has
authorized the grant to Employee of certain stock purchase options, and the
parties desire to amend the referenced employment agreement to reflect the
issuance of those options to Employee;

    NOW, THEREFORE, in consideration of the mutual premises herein contained,
the parties agree as follows:

1.  Article III of the Agreement is amended by the addition of a new Paragraph
3.5, as follows:

        3.5 Grant of Stock Option.  The Company's Board of Directors shall
    grant to Employee an option to purchase 150,000 shares of the Company's 
    Common Stock, exercisable at a price of $2.25 per share. The option shall be
    exercisable for a term of 10 years following the date of grant.

2.  Except for the change effected by the addition of new Paragraph 3.5, the
terms of the Agreement are not intended to be modified and shall remain in full
force and effect.

    IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be
duly executed as of the date and year first written above.


                                  "EMPLOYER"
                                  TOPRO, INC.


                                  By
                                    --------------------------------
                                    John Jenkins, President


                                  "EMPLOYEE"



                                  ----------------------------------
                                  Kathleen Taylor




<PAGE>   1

                                                                 Exhibit 10.23


                      CONVERTIBLE DEBENTURE LOAN AGREEMENT

                                 BY AND BETWEEN
                                  TOPRO, INC.


                             AND ITS SUBSIDIARIES:


                       Advanced Control Technology, Inc.

                Management Design and Consulting Services, Inc.

                        Topro Systems Integration, Inc.

                        Visioneering Holding Corporation



                              ALL AS CO-BORROWERS


                                      AND


                  RENAISSANCE U.S. GROWTH & INCOME TRUST, PLC


                                   AS LENDER


   This Convertible Debenture Loan Agreement (the "Loan Agreement") is entered
into as of OCTOBER 30, 1996, by and between TOPRO, INC. (a Colorado
corporation) its subsidiaries Advanced Control Technology, Inc. (an Oregon
corporation), Management Design and Consulting Services, Inc. (a Georgia
corporation),Visioneering Holding Corporation (a California corporation) and
Topro Systems Integration, Inc. (a Colorado corporation) all as co-borrowers
(collectively hereinafter referred to as "BORROWER") and RENAISSANCE U.S.
GROWTH & INCOME TRUST, PLC (a public limited company registered in England and
Wales) (together with any assignees or successors in interest hereinafter
referred to as "LENDER").

   WITNESSETH:

   WHEREAS, Borrower seeks to obtain up to ONE MILLION TWO HUNDRED THOUSAND
DOLLARS ($1,200,000) in convertible debenture financing for working capital
purposes.

   WHEREAS, Borrower has requested that Lender provide such funding by
furnishing a loan as herein provided and Lender is willing to furnish such to
Borrower upon the terms and subject to the conditions and for the
considerations hereinafter set forth;

   NOW, THEREFORE, in consideration of the mutual promises herein contained and
for other valuable consideration, receipt and sufficiency of which is
acknowledged, the parties hereto agree as follows:
<PAGE>   2



                       ARTICLE I - DEFINITION OF TERMS

SECTION 1.01. DEFINITIONS.

   (a) For the purposes of this Loan Agreement, unless the context otherwise
requires, the following terms shall have the respective meanings assigned to
them in this Article I or in the section or recital referred to below:

"Affiliate" with respect to any Person shall mean (i) any person directly or
   indirectly owning, controlling or holding power to vote 10% or more of the
   outstanding voting securities of any Person; (ii) any person, 10% or more of
   whose outstanding voting securities are directly or indirectly owned,
   controlled or held with power to vote by any Person; (iii) any person
   directly or indirectly controlling, controlled by or under common control
   with any Person; (iv) any officer, director or partner of any Person; and
   (v) if a Person is an officer, director or partner, any company for which
   any Person acts in such capacity.  For purposes of this Agreement, any
   partnership of which any Person is a general partner, or any joint venture
   in which any Person is a joint venture, is an Affiliate of each Person.

"Capital Expenditure" shall mean an expenditure for assets that will be used in
   years subsequent to the year in which the purchase is made and which asset
   is properly classifiable in financial statements as equipment, real property
   or improvements, or similar type of capitalized asset.

"Capital Lease" shall mean any lease of property, real or personal, which is in
   substance a financing lease and which would be capitalized on a balance
   sheet of the lessee, including without limitation, any lease under which (i)
   such lessee will have an obligation to purchase the property for a fixed
   sum, (ii) an option to purchase the property at an amount less than a
   reasonable estimate of the fair market value of such property as of the date
   such lease is executed, or (iii) the term of the lease approximates or
   exceeds the expected useful life of the property leased thereunder.

"Consolidated Subsidiaries" shall mean those corporations of which 50% or more
   of the voting stock is owned by Borrower and their financial statements are
   consolidated with those of the Borrower.

"Conversion" or "Conversion Rights" shall mean exchange of, or the rights to
   exchange, the Principal Amount of the loan, or any part thereof, for
   Borrower's fully paid and non assessable common stock on the terms and
   conditions as provided in the Debenture.

"Common Stock" shall mean the Borrower's common stock, $0.0001 par value.

"Debentures" shall mean the Debentures executed by Borrower and delivered
   pursuant to the terms of this Loan Agreement, together with any renewals,
   extensions or modifications thereof.

"Debtor Laws" shall mean all applicable liquidation, conservatorship,
   bankruptcy, moratorium, arrangement, receivership, insolvency,
   reorganization or similar laws from time to time in effect affecting the
   rights of creditors generally.

"Default" shall mean any of the events specified in Article VIII.

"Dividends", in respect of any corporation, shall mean (i) cash distributions
   or any other distributions on, or in respect of, any class of capital stock
   of such corporation, except for distributions made solely in shares of stock
   of the same class, and (ii) any and all funds, cash and other payments made
   in respect of the redemption, repurchase or acquisition of such stock,
   unless such stock shall be redeemed or acquired through the exchange of such
   stock with stock of the same class.

"ERISA" shall mean the Employee Retirement Income Security Act, as amended,
   together with all regulations issued pursuant thereto.

"GAAP" shall mean generally accepted accounting principles applied on a
   consistent basis, set forth in the Opinions of the Accounting Principles
   Board of the American Institute of Certified Public Accountants, or their
   successors, which are applicable in the circumstances as of the date in
   question.  The requisite that such principles be applied on a consistent
   basis shall mean that the accounting principles observed in a current period
   are comparable in all material respects to those applied in a preceding
   period.

"Governmental Authority" shall mean any government (or any political
   subdivision or jurisdiction thereof), court, bureau, agency or other
   governmental authority having jurisdiction over Borrower or a Subsidiary or
   any of its or their business, operations or properties.

"Guaranty" of any Person shall mean any contract, agreement or understanding of
   such Person pursuant to which such Person in effect guarantees the payment
   of any Indebtedness of any other Person (the "Primary





                                       2
<PAGE>   3


   Obligor") in any manner, whether directly or indirectly, including without
   limitation agreements: (i) to purchase such Indebtedness or any property
   constituting security therefor, (ii) to advance or supply funds primarily
   for the purpose of assuring the holder of such Indebtedness of the ability
   of the Primary Obligor to make payment, or (iii) otherwise to assure the
   holder of the Indebtedness of the Primary Obligor against loss in respect
   thereof, except that "Guaranty" shall not include the endorsement by
   Borrower or a Subsidiary in the ordinary course of business of negotiable
   instruments or documents for deposit or collection.

"Holder" shall mean the owner of Registrable Securities.

"Indebtedness" shall mean, with respect to any Person, the following
   indebtedness, obligations and liabilities of such Person: (i) all
   "liabilities" that would be reflected on a balance sheet of such Person,
   (ii) all obligations of such Person in respect of any Guaranty, (iii) all
   obligations of such Person in respect of any Capital Lease, (iv) all
   obligations, indebtedness and liabilities secured by any lien or any
   security interest on any property or assets of such Person, and (v) all
   preferred stock of such Person which is subject to a mandatory redemption
   requirement, valued at the greater of its involuntary redemption price or
   liquidation preference plus accrued and unpaid dividends.

"Investment" in any Person shall mean any investment, whether by means of share
   purchase, loan, advance, extension of credit, capital contribution or
   otherwise, in or to such Person, the Guaranty of any Indebtedness of such
   Person, or the subordination of any claim against such Person to other
   Indebtedness of such Person, provided however, that "Investment" shall not 
   include any demand deposits in a duly chartered state or national bank or 
   other cash equivalent investments.

"IRS Code" shall mean the Internal Revenue Code of 1986, as amended, together
   with all regulations issued thereunder.

"Lien" shall mean any lien, mortgage, security interest, tax lien, pledge,
   encumbrance, conditional sale or title retention arrangement, or any other
   interest in property designed to secure the repayment of Indebtedness,
   whether arising by agreement or under any statute or law, or otherwise.

"Loan" shall mean the money lent to Borrower pursuant to this Loan Agreement,
   along with any accrued interest thereon.

"Loan Closing" or "Loan Closing Date" shall mean the initial disbursement of
   Loan funds which shall occur on a date 30 days from the date hereof or such
   earlier date on which Borrower requests, and Lender approves, as the date at
   which the initial advance of the Loan funds shall be consummated, provided
   that such date may be mutually extended beyond 30 days, but only by written
   agreement of the parties hereto.

"Loan Documents" shall mean this Loan Agreement, the Debentures (including any
   renewals, extensions and refundings thereof), the Security Agreement, the
   Pledge Agreement and any other agreements or documents (and with respect to
   this Loan Agreement, and such other agreements and documents, any amendments
   or supplements thereto or modifications thereof) executed or delivered
   pursuant to the terms of this Loan Agreement.

"Material Adverse Effect" or "Material Adverse Change" shall mean any change,
   factor or event that shall (i) have a material adverse effect upon the
   validity, performance or enforceability of any Loan Documents, (ii) have a
   material adverse effect upon the financial condition or business operations
   of Borrower or any Subsidiaries, (iii) have a material adverse effect upon
   the ability of the Borrower to fulfill its obligations under the Loan
   Documents, or (iv) any event that causes an Event of Default or which, with
   notice or lapse of time or both, could become an Event of Default.

"Obligation" shall mean: (i) all present and future indebtedness, obligations
   and liabilities of Borrower to Lender arising pursuant to this Loan
   Agreement, regardless of whether such indebtedness, obligations and
   liabilities are direct, indirect, fixed, contingent, joint, several, or
   joint and several; (ii) all present and future indebtedness, obligations and
   liabilities of Borrower to Lender arising pursuant to or represented by the
   Debentures and all interest accruing thereon, and reasonable attorneys' fees
   incurred in the enforcement or collection thereof; (iii) all present and
   future indebtedness, obligations and liabilities of Borrower and any
   Subsidiary evidenced by or arising pursuant to any of the Loan Documents;
   (iv) all costs incurred by





                                       3
<PAGE>   4



   Lender, including but not limited to reasonable attorneys' fees and legal
   expenses related to this transaction; and (v) all renewals, extensions and
   modifications of the indebtedness referred to in the foregoing clauses, or
   any part thereof.

"Permitted Liens" shall mean: (i) Liens (if any) granted to Lender to secure
   the Obligation, (ii) pledges or deposits made to secure payment of worker's
   compensation insurance (or to participate in any fund in connection with
   worker's compensation insurance), unemployment insurance, pensions or social
   security programs, (iii) Liens imposed by mandatory provisions of law such
   as for landlord's, materialmen's, mechanics', warehousemen's and other like
   Liens arising in the ordinary course of business, securing Indebtedness
   whose payment is not yet due, (iv) Liens for taxes, assessments and
   governmental charges or levies imposed upon a Person or upon such Person's
   income or profits or property, if the same are not yet due and payable or if
   the same are being contested in good faith and as to which adequate cash
   reserves have been provided or if an extension is obtained with respect
   thereto, (v) Liens arising from good faith deposits in connection with
   tenders, leases, real estate bids or contracts (other than contracts
   involving the borrowing of money), pledges or deposits to secure public or
   statutory obligations and deposits to secure (or in lieu of) surety, stay,
   appeal or customs bonds and deposits to secure the payment of taxes,
   assessments, customs duties or other similar charges, (vi) encumbrances
   consisting of zoning restrictions, easements, or other restrictions on the
   use of real property, provided that such items do not materially impair the
   use of such property for the purposes intended, and none of which is
   violated by existing or proposed structures or land use, (vii) mortgages,
   financing statements, equipment leases or other encumbrances incurred in
   connection with the acquisition of property or equipment or the replacement
   of existing property or equipment, provided that such liens shall be limited
   to the property or equipment then being acquired, and (viii) Liens granted
   to secure the debt held by U.S Bank and Garfield Bank.

"Person" shall include an individual, a corporation, a joint venture, a general
   or limited partnership, a trust, an unincorporated organization or a
   government or any agency or political subdivision thereof.

"Plan" shall mean an employee benefit plan or other plan maintained by Borrower
   for employees of Borrower and/or any Subsidiaries and covered by Title IV of
   ERISA, or subject to the minimum funding standards under Section 412 of the
   Internal Revenue Code of 1986, as amended.

"Principal Amount" shall mean, as of any time, the then aggregate outstanding
   face amount of the Debentures after any conversions or redemptions and after
   giving effect to any installment payments received by Lender.

"Registrable Securities" shall mean (i) the Common Stock issued upon Conversion
   of the Debentures, (ii) any Common Stock issued upon Conversion which is
   issued with respect to the Common Stock referred to in clause (i) by way of
   stock dividend; any other distribution with respect to or in exchange for,
   or in replacement of Common Stock; stock split; or in connection with a
   combination of shares, recapitalization, merger, consolidation or other
   reorganization; excluding in all cases, however, any Registrable Security
   that is not a Restricted Security and any Registrable Securities sold or
   transferred by a person in a transaction in which the rights under this Loan
   Agreement are not assigned.

"Registrable Securities Then Outstanding" shall mean an amount equal to the
   number of Registrable Securities outstanding which have been issued pursuant
   to the Conversion of the Debentures.

"Rentals" of any Person shall mean, as of any date, the aggregate amount of the
   obligations and liabilities (including future obligations and liabilities
   not yet due and payable) of such Person to make payments under all leases,
   subleases and similar arrangements for the use of real, personal or mixed
   property, other than leases which are Capital Leases.

"Restricted Security" shall mean a security that has not been (i) effectively
   registered under the 1933 Act or (ii) distributed to the public pursuant to
   Rule 144 (or any similar provisions that are in force) under the 1933 Act.

"SEC" shall mean the Securities and Exchange Commission.

"1933 Act" shall refer to the Securities Act of 1933, as amended.

"1934 Act" shall refer to the Securities Exchange Act of 1934, as amended.





                                       4
<PAGE>   5



"Solvent" shall mean, with respect to any Person on a particular date, that on
   such date (i) the fair value of the property of such Person is greater than
   the total amount of liabilities, including, without limitation, contingent
   liabilities, of such Person, (ii) the present fair salable value, in the
   ordinary course of business, of the assets of such Person is not less than
   the amount that will be required to pay the probable liability of such
   Person on its debts as they become absolute and matured, (iii) such Person
   is able to realize upon its assets and pay its debts and other liabilities,
   contingent obligations and other commitments as they mature in the normal
   course of business, (iv) such Person does not intend to, and does not
   believe that it will, incur debts or liabilities beyond such Person's
   ability to pay as such debts and liabilities mature, and (v) such Person is
   not engaged in business or a transaction, and is not about to engage in
   business or a transaction, for which such Person's property would constitute
   unreasonably small capital after giving due consideration to the prevailing
   practice in the industry in which such Person is engaged.  In computing the
   amount of contingent liabilities at any time, it is intended that such
   liabilities will be computed at the amount which, in light of all the facts
   and circumstances existing at such time, represents the amount that can
   reasonably be expected to become an actual or matured liability.

"Subordinated Debt" shall mean any indebtedness of the Borrower or any
   Subsidiaries, now existing or hereafter incurred, which indebtedness is, by
   its terms, junior in right of repayment to the payment of the Debentures.

"Subsidiary" shall mean any corporation whether now existing or hereafter
   acquired of which fifty percent (50%) or more of the Voting Shares are
   owned, directly or indirectly, by Borrower.

"Voting Shares" of any corporation shall mean shares of any class or classes
   (however designated) having ordinary voting power for the election of at
   least a majority of the members of the Board of Directors (or other
   governing bodies) of such corporation, other than shares having such power
   only by reason of the happening of a contingency.

SECTION 1.02. OTHER DEFINITION PROVISIONS. 

   (a) All terms defined in this Loan Agreement shall have the above-defined
meanings when used in the Debentures or any other Loan Documents, certificate,
report or other document made or delivered pursuant to this Loan Agreement,
unless the context therein shall otherwise require.

   (b) Defined terms used herein in the singular shall import the plural and
vice versa.

   (c) The words "hereof," "herein," "hereunder" and similar terms when used in
this Loan Agreement shall refer to this Loan Agreement as a whole and not to
any particular provision of this Loan Agreement.

   (d) References to financial statements and reports shall be deemed to be a
reference to such statements and reports prepared in accordance with GAAP
recognized as such by the American Institute of Certified Public Accountants
acting through its Accounting Principles Board or by the Financial Accounting
Standards Board which principles are consistently applied, on the basis used by
Borrower in prior years, for all periods after the date hereof so as to
properly reflect the financial condition, and the results of operations and
statement of cash flows, of Borrower and its Consolidated Subsidiaries, if any.

   (e) Accounting terms not specifically defined above, or not defined in the
Loan Agreement, shall be construed in accordance with GAAP as recognized as of
this date by the American Institute of Certified Public Accountants.

                        ARTICLE II - LOAN PROVISIONS

SECTION 2.01. LOAN CLOSING.

   (a)  Subject to the terms and conditions of this Loan Agreement, and the
compliance with such terms and conditions by all parties, Lender agrees to lend
to Borrower, and Borrower agrees to borrow from Lender, the aggregate sum of up
to ONE MILLION TWO HUNDRED THOUSAND DOLLARS ($1,200,000) which shall be
disbursed at the Loan Closing.

   (b)  Such disbursement is to be at such time and subject to the conditions
as provided hereunder and such borrowing shall be evidenced by Borrower's duly
executed Debenture (in one or more counterparts in the





                                       5
<PAGE>   6



aggregate sum of the Principal Amount advanced, each such counterpart
singularly or collectively herein the "Debenture" or "Debentures")
substantially in the form of Exhibit 2.01(b)*** attached hereto and made a part
hereof, with appropriate insertion of names, dates and amounts.  In the event
of any differences in terms between the Loan Agreement and the Debenture, the
Debenture will be controlling, provided, however, that the holder of the
Debenture shall be entitled to all the rights and benefits of the Lender
provided in this Agreement.

   (c) Unless otherwise mutually agreed, closing shall be at the offices of
Renaissance Capital Group, Inc. in Dallas, Texas.

   (d) If, within 30 days of the date of this Agreement (i) Borrower has failed
to comply with the conditions precedent to the Loan Closing as specified in
Article III hereof (unless compliance with such conditions in whole or in part
has been waived or modified by Lender in its sole discretion) or (ii) the Loan
Closing has not occurred (unless the date of such Loan Closing has been
mutually extended) then, in either such case the obligations of Lender under
this Loan Agreement shall terminate, provided however that Borrower shall be
obligated for payment of the commitment fees and Lender expenses as provided in
Section 2.07 due and payable as of such date of termination.

SECTION 2.02. USE OF PROCEEDS. 

   (a) The money advanced hereunder shall be used by Borrower for the following
purposes:

         General Working Capital Purposes                    $1,200,000

                                              Total  =       $1,200,000

   Topro, Inc., Advanced Control Technology, Inc., Management Design and
Consulting Services, Inc. Topro Systems Integration, Inc. and Visioneering
Holding Corporation all hereby acknowledge that the proceeds from the Loan
shall be used by each company individually for the growth of their business by
providing working capital.





                                       6
<PAGE>   7



SECTION 2.03. INTEREST RATE AND INTEREST PAYMENTS.

  (a) Interest on the Principal Amount outstanding from time to time shall
accrue at the rate of 9.00% per annum, with the first installment payable on
NOVEMBER 1, 1996 and subsequent payments at the first day of each month
thereafter.  Overdue principal and interest on the Debentures shall bear
interest, to the extent permitted by applicable law, at a rate of 9.00% per
annum.  Interest on the Principal Amount of each Debenture shall be calculated,
from time to time, on the basis of the actual days elapsed in a year consisting
of 365 days.

SECTION 2.04. MATURITY. 

  (a) If not sooner redeemed or converted, the Debentures shall mature on
OCTOBER 30, 2003, which time all the remaining unpaid principal, interest and
any other charges then due under the Loan Agreement shall be due and payable in
full.

SECTION 2.05. MANDATORY PRINCIPAL REDEMPTION INSTALLMENTS.

  (a) Mandatory principal redemption installments on each Debenture shall be
as provided for in the Debentures.

SECTION 2.06. OPTIONAL REDEMPTION. 

  (a) Optional principal redemption on each Debenture shall be as provided for 
in the Debentures.

SECTION 2.07. CLOSING FEES AND LOAN CLOSING COSTS. 

  (a) Borrower agrees to pay to Lender a Loan Commitment fee of 1% of the loan
amount available under this Loan Agreement such to be due and payable at Loan
Closing or upon termination of this Loan Agreement.

  (b) Borrower agrees to pay to Lender a Loan Closing Fee of 1% of the amount
of Loan funds disbursed at each closing, such to be due and payable at Loan
Closing.

  (c) In addition, at the Loan Closing Borrower agrees to pay Lender's
reasonable costs and expenses (including without limitation the reasonable fees
and expenses of Lender's legal counsel) in connection with the negotiation,
preparation, execution and delivery of this Loan Agreement, the Debentures, the
other Loan Documents and the Loan Closing or Subsequent Loan Closing, provided
that such expenses shall not, in the aggregate, exceed 0.5% of the loan amount
available under this Loan Agreement.

  (d) Lender acknowledges the receipt of the payment by the Borrower of
$________ to cover Due Diligence expenses.

SECTION 2.08. PLACEMENT FEE. 

   The Borrower shall be responsible for payment of any placement fees and
commissions, brokerage fees or finders fees in connection with the Loan.  All
such placement fee obligations are as listed in Schedule 2.08 attached hereto.
The Lender has incurred no placement fee on this transaction.

SECTION 2.09. TAXES.

  (a) Payments by Borrower hereunder shall be made without deduction for any
present or future taxes, duties, charges or withholdings, (excluding, in the
case of the Lender, any foreign taxes, any federal, state or local income taxes
and any franchise taxes or taxes imposed upon it by the jurisdiction, or any
political subdivision thereof, under which the Lender is organized or is
qualified to do business) and all liabilities with respect thereto (herein
"Taxes") shall be paid by Borrower.  If Borrower shall be required by law to
deduct any Taxes for which Borrower is responsible under the preceding sentence
from any sum payable hereunder to any Lender: (i) the sum payable shall be
increased so that after making all required deductions, such Lender receives an
amount equal to the sum it would have received had no such deductions been
made, (ii) Borrower shall make such deductions, and (iii) Borrower shall pay
the full amount deducted to the relevant taxing authority or other authority in
accordance with applicable law.

  (b) Except as otherwise set forth in this Loan Agreement or the other Loan
Documents, Borrower shall pay any present or future stamp or documentary taxes
or any other excise or property taxes, charges or similar levies which arise
from any payment made hereunder or under the Loan Documents or from the
execution,





                                       7
<PAGE>   8



delivery or registration of, or otherwise with respect to, this Loan Agreement
or the other Loan Documents (hereinafter referred to as "Other Taxes").

  (c) Borrower shall indemnify Lender for the full amount of Taxes and Other
Taxes reasonably paid by Lender or any liability (including any penalties or
interest assessed because of Borrower's defaults) arising therefrom or with
respect thereto, whether or not such Taxes or Other Taxes were correctly or
legally asserted.  This indemnification shall be made within thirty (30) days
from the date Lender makes written demand therefor.  Lender shall subrogate any
and all rights and claims relating to such Taxes and Other Taxes to Borrower
upon payment of said indemnification.

  (d) Without prejudice to the survival of any other agreement of Borrower
hereunder, the agreements and obligations of Borrower in this Section 2.09
shall survive the payment in full of the Obligation.

SECTION 2.10. STOCK CONVERSION RIGHTS AND REGISTRATION RIGHTS AGREEMENT.

  (a) Each Debenture shall be exchangeable for shares of Borrower's common stock
on such terms and in such amounts as shall be stated in the Debenture. The
holders of the stock issued upon exercise of the right of conversion as
provided in said Debenture shall be entitled to all the rights of the Lender    
as stated in this Loan Agreement or the other Loan Documents to the extent such
rights are specifically stated to survive the surrender of the Debenture for
conversion as therein provided.

  (b) The holder of shares of common stock of Borrower issued upon conversion
shall be entitled to the  registration rights as provided in Article IX of this
Agreement.

SECTION 2.11. COLLATERAL, SECURITY AGREEMENTS, PLEDGE AGREEMENT

  (a) The due and prompt performance of the obligations of Borrower to Lender
under the Loan Agreement and the Debentures shall be secured by all assets of
Topro, Inc. and its subsidiaries listed above and such collateral shall be
evidenced by Security Agreements executed by and between the Lender and Topro,
Inc. and its subsidiaries listed above and  financing statements shall be
executed in favor of Lender by Topro, Inc. and its subsidiaries listed above.
Topro, Inc. shall enter into a Pledge Agreement with Lender pledging its shares
in the subsidiary Advanced Control Technologies, Inc. and Visioneering Holding
Corporation.  Borrower agrees to pledge the ACS/Pro Meta subsidiary upon
completion of the Acquisition.

                      ARTICLE III - CONDITIONS PRECEDENT 

SECTION 3.01. DOCUMENT REQUIREMENTS. 

  (a) Loan Closing Date Requirements: The obligation of Lender to advance
funds at the Loan Closing Date hereof is subject to the condition precedent
that, on or before the date of such advance, Lender shall have received the
following in form and substance satisfactory to Lender:

  (1) Debenture.  One or more duly executed Debentures aggregating the
Principal Amount of Loan funds then advanced, each in amounts as requested by
Lender, which shall be styled "River Oaks Trust Company, FBO Renaissance U.S.
Growth & Income Trust, PLC", and in the form of Exhibit 2.01(a)(1) with
appropriate insertions of date, amount and conversion features.

  (2) Security Agreements. One or more duly executed Security Agreements and
UCC-1 pledging all the assets of Borrower in the form of Exhibit 2.01(a)(3)
with appropriate insertions of date, amounts, and listings of collateral.

  (3) Pledge Agreement. One duly executed Pledge Agreement pledging the stock
of Advanced Control Technology and Visioneering Holding Corporation. in the
form of Exhibit 2.01 (a)(3) and stock certificates evidencing said pledge with
blank stock powers.

  (4) Opinion of Borrower's Counsel.  An opinion of legal counsel for Borrower
dated as of the Loan Closing Date, satisfactory in form and substance to
Lender, as to due execution by the Borrower of the Loan Agreement, the
Debenture and other Loan Documents and the legal enforceability thereof.

  (5) Officers' Certificate.  A true and correct certificate signed by a duly
authorized officer of the Borrower and dated as of the Loan Closing Date
stating that to the best knowledge and belief of such officer, after





                                       8
<PAGE>   9



reasonable and due investigation and review of matters pertinent to the subject
matter of such certificate: (A) all of the representations and warranties
contained in Article IV hereof and the other Loan Documents are true and
correct as of the Loan Closing Date and (B) no event has occurred and is
continuing, or would result from the Loan, which constitutes a Default or an
Event of Default.

   (6) Resolutions of Borrower.  Copies of resolutions, as adopted by the
Borrower's Board of Directors, approving the execution, delivery and
performance of this Loan Agreement, the Debentures, and the other Loan
Documents, including the transactions contemplated herein and accompanied by a
certificate of the Secretary or Assistant Secretary of Borrower stating that
such resolutions have been duly adopted, are true and correct, have not been
altered or repealed and are in full force and effect.

   (7) Incumbency Certificate of Borrower.  A signed certificate of the
Secretary or Assistant Secretary of the Borrower which shall certify the names
of the officers of Borrower authorized to sign each of the Loan Documents to be
executed by such officer together with the true signatures of each of such
officers.  It is herewith stipulated and agreed that Lender may thereafter rely
conclusively on the validity of this certificate as a representation of the
officers of Borrower duly authorized to act with respect to the Loan Documents
until such time as Lender shall receive a further certificate of the Secretary
or Assistant Secretary of Borrower canceling or amending the prior certificate
and submitting the signatures of the officers thereupon authorized in such
further certificate.

   (8) Certificates.  Certificates of good standing (or other similar
instrument) for the Borrower issued by the Secretary of State of the state of
incorporation of Borrower, and certificates of qualification and good standing
for Borrower issued by the Secretary of State of each of the states wherein
such Borrower has operating facilities of such nature so as to be required to
be qualified to do business as a foreign corporation, dated within ten (10)
days of Loan Closing.

   (9) Charter and Bylaws. A copy of the Articles of Incorporation of the
Borrower and all amendments thereto, certified by the Secretary of State of the
state of incorporation and dated within ten (10) days of the date of Loan
Closing and a copy of the bylaws of Borrower and all amendments thereto,
certified by the Secretary or Assistant Secretary of Borrower, as being true,
correct and complete as of the date of such certification.

   (10) Financial Information.  Copies of the following financial statements
for Borrower: (A) An audited balance sheet and income statement for Borrower as
of June 30, 1996.

   (11) Additional Information.  Such other information and documents as may
reasonably be required by Lender and Lender's counsel to substantiate
Borrower's compliance with the requirements of this Loan Agreement.

                  ARTICLE IV - REPRESENTATIONS AND WARRANTIES 

To induce Lender to make the Loan hereunder, Borrower represents and warrants
to Lender that:

SECTION 4.01. ORGANIZATION AND GOOD STANDING.

   (a) Borrower is duly organized and existing in good standing under the laws
of the state of its incorporation, is duly qualified as a foreign corporation
and in good standing in all states in which failure to qualify would have a
Material Adverse Effect, and has the corporate power and authority to own its
properties and assets and to transact the business in which it is engaged and
is or will be qualified in those states wherein it proposes to transact
material business operations in the future.

SECTION 4.02. AUTHORIZATION AND POWER. 

   (a) Borrower has the corporate power and requisite authority to execute,
deliver and perform the Loan Documents to be executed by Borrower.  The
Borrower is duly authorized to, and has taken all corporate action necessary to
authorize such to, execute, deliver and perform the Loan Documents executed by
Borrower.  The Borrower is and will continue to be duly authorized to perform
the Loan Documents executed by Borrower.





                                       9
<PAGE>   10




SECTION 4.03. NO CONFLICTS OR CONSENTS. 

   (a) Except as disclosed to Lender pursuant to Exhibit 4.03 - Schedule of
Conflicts or Consents, neither the execution and delivery of the Loan
Documents, nor the consummation of any of the transactions therein
contemplated, nor compliance with the terms and provisions thereof, will
contravene or materially conflict with any provision of law, statute or
regulation to which Borrower is subject or any judgment, license, order or
permit applicable to Borrower, or any indenture, loan agreement, mortgage, deed
of trust, or other agreement or instrument to which Borrower is a party or by
which Borrower is or becomes bound, or to which Borrower is or becomes subject,
or violate any provision of the charter or bylaws of Borrower.  No consent,
approval, authorization or order of any court or governmental authority or
third party is required in connection with the execution and delivery by
Borrower of the Loan Documents or to consummate the transactions contemplated
hereby or thereby except those that have been obtained.

SECTION 4.04. ENFORCEABLE OBLIGATIONS. 

   (a) The Loan Documents have been duly executed and delivered by the Borrower
and are the legal and binding obligations of the Borrower, enforceable in
accordance with their respective terms, except as limited by any applicable
bankruptcy, insolvency or similar laws now or hereafter in effect affecting
creditors rights generally.

SECTION 4.05. NO LIENS. 

   (a) Except for Permitted Liens, all of the properties and assets owned by
the Borrower are free and clear of all Liens and other adverse claims of any
nature, and such persons have good and marketable title to such properties and
assets.  A true and complete list of all liens for borrowed money is disclosed
to Lender pursuant to Exhibit 4.05.

SECTION 4.06. FINANCIAL CONDITION. 

   (a) Borrower has delivered to Lender copies of the most recent audited
financial statements of Borrower, and the related statements of income,
stockholders' equity and statement of cash flow for the year ended JUNE 30,
1996, by its independent Certified Public Accountant.  Such financial
statements are true and correct in all material respects, fairly represent the
financial condition of Borrower as of such dates and have been prepared in
accordance with GAAP (except unaudited financial statements omit certain
footnotes) applied on a basis consistent with that of prior periods; and as of
the date hereof, there are no obligations, liabilities or Indebtedness
(including contingent and indirect liabilities and obligations) of Borrower
which are (separately or in the aggregate) material and are not reflected in
such financial statements or otherwise disclosed herein.  Except as set forth
on Schedule 4.06, since the date of the above referenced year end financial
statements there has not been: (i) any Material Adverse Change in the financial
condition, results of operations, business, prospects, assets or liabilities
(contingent or otherwise, whether due or to become due, known or unknown), of
the Borrower; (ii) any dividend declared or paid or distribution made on the
capital stock of the Borrower or any capital stock thereof redeemed or
repurchased; (iii) any incurrence of long-term debt by the Borrower; (iv) any
salary, bonus or compensation increases to any officers, key employees or
agents of the Borrower or (v) any other transaction entered into by the
Borrower except in the ordinary course of business and consistent with past
practice.

SECTION 4.07. FULL DISCLOSURE. 

   (a) To the best of Borrower's knowledge and belief after current
investigation, there is no material fact that Borrower has not disclosed to
Lender which could have a Material Adverse Effect on the properties, business,
prospects or condition (financial or otherwise) of Borrower.  Neither the
financial statements referenced in Section 4.06 hereof, nor any business plan,
offering memorandum or prospectus, certificate or statement delivered herewith
or heretofore by Borrower to Lender in connection with negotiations of this
Loan Agreement, contained, any untrue statement of a material fact or omitted
to state any material fact necessary to keep the statements contained herein or
therein from being misleading.

SECTION 4.08. NO DEFAULT. 

   (a) No event has occurred and is continuing which constitutes a Default or
an Event of Default under this





                                       10
<PAGE>   11



Loan Agreement.

SECTION 4.09. MATERIAL AGREEMENTS. 

   (a) The Borrower is not in default in any material respect under any
material contract, lease, loan agreement, indenture, mortgage, security
agreement or other material agreement or obligation to which it is a party or
by which any of its properties is bound.

SECTION 4.10. NO LITIGATION. 

   (a) Except as disclosed to Lender pursuant to Exhibit 4.10 - Schedule of
Litigation, attached hereto, there are no actions, suits, investigations,
arbitrations or administrative proceedings pending, or to the knowledge of
Borrower threatened, against Borrower, and there has been no change in the
status of any of the actions, suits, investigations, litigation or proceedings
disclosed to Lender which could have a materially adverse effect on Borrower or
on any transactions contemplated by any Loan Document.

SECTION 4.11. BURDENSOME CONTRACTS. 

   (a) To the best knowledge of the Borrower, it is not a party to, or bound
by, any contract or agreement, the faithful performance of which is so onerous
so as to create or to likely create a Material Adverse Effect on the business,
operations or financial condition of the Borrower.

SECTION 4.12. TAXES. 

   (a) All tax returns required to be filed by Borrower in any jurisdiction
have been filed and all taxes (including mortgage recording taxes),
assessments, fees and other governmental charges upon Borrower or upon any of
its properties, income or franchises have been paid.  To the best knowledge of
Borrower, there is no proposed tax assessment against Borrower and there is no
basis for such assessment.

SECTION 4.13. PRINCIPAL OFFICE, ETC. 

   (a) The principal office and principal place of business of the Borrower is
as follows:

                 Topro, Inc.
                 2525 West Evans Avenue
                 Denver, CO 80219

SECTION 4.14. USE OF PROCEEDS.

   (a) The Borrower hereby acknowledges that the proceeds from the Loan are to
be used as disclosed in Schedule 4.14.

SECTION 4.15. EMPLOYEE BENEFIT AND INCENTIVE PLANS; ERISA. 

   (a) Borrower is not obligated under any Plans.

   (b) Borrower is not a party to any collective bargaining agreement and is
not aware of any activities of any labor union that is currently seeking to
represent or organize its employees.  Borrower has not experienced any labor
problems, including work stoppages, disputes or slowdowns with respect to its
employees.

SECTION 4.16. COMPLIANCE WITH LAW. 

   (a) To the best knowledge of Borrower, Borrower is in compliance with all
laws, rules, regulations, orders and decrees which are applicable to Borrower
or its properties by reason of any Governmental Authority which are material to
the conduct of the business of Borrower or any of its properties.

SECTION 4.17. COMPLIANCE WITH ENVIRONMENTAL REQUIREMENTS.

   (a) To the best knowledge of Borrower, all properties of Borrower are in
compliance with all federal, state or local environmental protection laws,
statutes and regulations which are material to the conduct of the business of
Borrower, or its properties, and the Borrower is currently in compliance with
all material reporting requirements, rules, and regulations which are
applicable to Borrower or its properties by reason of such governmental
environmental protective agencies.

SECTION 4.18. SCHEDULE OF CAPITAL STOCK AND SEC REQUIREMENTS. 

   (a) Set forth on Exhibit 4.18 - Schedule of Capital Stock is a true and
correct schedule of all classes of authorized, issued, and outstanding Capital
Stock of the Borrower, all stock options, warrants, conversion





                                       11
<PAGE>   12



rights, subscription rights and other rights or agreements to acquire
securities of Borrower and any shares held in treasury or reserved for issue
upon exercise of such stock options, warrants or conversion rights,
subscription rights and other rights or agreements to acquire securities
including date of termination of such right and the consideration therefor.

   (b) Except as provided in Exhibit 4.18 - Schedule of Capital Stock, to the
best of the Borrower's knowledge, all securities of Borrower have been issued
in compliance with the requirements of the 1933 Act, and the rules and
regulation promulgated thereunder, or pursuant to an exemption therefrom.

   (c) The shares of common stock of the Borrower when issued to Lender upon
conversion of the Debentures will be duly and validly issued, fully paid and
nonassessable.  Such issuance will not give rise to preemptive rights or
similar rights by any other security holder of Borrower.  Borrower shall at all
times reserve and keep available sufficient authorized and unissued shares of
common stock to effectuate the conversion of the Debentures.

SECTION 4.19. INSIDER. 

   (a) Neither the Borrower, nor any Person having "control" (as that term is
defined in the Investment Company Act of 1940, as amended, or in regulations
promulgated pursuant thereto (herein the "1940 Act")) of the Borrower is, an
"executive officer," "director," or "principal shareholder" (as those terms are
defined in the 1940 Act) of Lender.

   (b) Except as set forth in the Borrower's 10K dated for the period ending
June 30, 1996, there are no transactions between the Borrower and any
affiliates of Borrower.

   (c) All agreements between the Borrower and any officers, directors, and
principal shareholders including employment agreements are listed on Exhibit
4.19 - Schedule of Affiliate Transactions.

SECTION 4.20. SUBSIDIARIES.

   (a)  As of the date hereof, the Borrower has the following subsidiaries: .
Advanced Control Technology, Inc., Management Design and Consulting Services,
Inc., Topro Systems Integration, Inc., Tech Sales, Inc. and Sharp Electric
Construction Company, Inc. and Visioneering Holding Corporation.

   (b) Except as disclosed in the Financial Statements and except for
Subsidiaries, the Borrower does not own any equity or debt interest or any form
of proprietary interest in any entity, or any right or option to acquire any
such interest in any such entity, except for accounts receivable which have
arisen in the ordinary course of business.

SECTION 4.21. CASUALTIES. 

   (a) Neither the business nor the properties of Borrower is currently
affected by any environmental hazard, fire, explosion, accident, strike,
lockout or other labor dispute, drought, storm, hail, earthquake, embargo, act
of God or other casualty (whether or not covered by insurance), which could
have a Material Adverse Effect.

SECTION 4.22 INVESTMENT COMPANY ACT. 

   (a) Borrower is not an "investment company" as defined in Section 3 of the
1940 Act nor a company that would be an investment company except for the
exclusions from the definition of an investment company in Section 3(C) of the
1940 Act and Borrower is not controlled by such a company.

SECTION 4.23. SUFFICIENCY OF CAPITAL. 

   (a) Borrower is after consummation of this Loan Agreement and giving effect
to all Indebtedness incurred and transactions contemplated in connection
herewith will be, Solvent.

SECTION 4.24. CORPORATE NAME. 

   (a) The Borrower has not, during the preceding five (5) years, been known as
or used any other corporate, fictitious or Tradenames except as disclosed on
Exhibit 4.24 - Schedule of Corporate Name, Mergers and Consolidations.  Except
as disclosed on Exhibit 4.24, the Borrower has not, during the preceding five
(5) years, been the surviving corporation of a merger or consolidation or
acquired all or substantially all of the assets of any Person.





                                       12
<PAGE>   13



SECTION 4.25. MARGIN REGULATION.

   (a) As of the Loan Closing date, the Borrower does not have class of
securities with respect to which a member of a national securities exchange,
broker, or dealer may extend or maintain credit to or for a customer pursuant
to rules or regulation adopted by the Board of Governors of the Federal Reserve
System under Section 7 of the 1934 Act.

SECTION 4.26. INSURANCE.

   (a) All of the insurable properties of the Borrower are insured for its
benefit under valid and enforceable policies, issued by insurers of recognized
responsibility in amounts and against such risks and losses as is customary in
such industry. Such policies are listed in Exhibit 4.26 - Schedule of
Insurance.

SECTION 4.27. PATENTS, TRADEMARKS AND COPYRIGHTS.

   (a) To the best of Borrower's knowledge and belief after current
investigation, Borrower owns all patents, trademarks and copyrights, if any,
necessary to conduct its business or possesses licenses or other rights, if
any, therefor. All such intangible property rights are listed in Exhibit 4.27 -
Schedule of Patents, Trademarks and Copyrights. Borrower has the right to use
such proprietary rights without infringing or violating the rights of any third
parties. No claim has been asserted by any person to the ownership of or right
to use any such proprietary right or challenging or questioning the validity or
effectiveness of any such license or agreement. Each of the proprietary rights
is valid and subsisting, has not been canceled, abandoned or otherwise
terminated.

SECTION 4.28. SURVIVAL OF REPRESENTATIONS AND WARRANTIES.

   (a) All representations and warranties by Borrower herein shall survive the
Loan Closing and any subsequent Loan Closings and the delivery of the
Debentures, and any investigation at any time made by or on behalf of Lender
shall not diminish Lender's right to rely on Borrower's' representations and
warranties as herein set forth.

                       ARTICLE V - AFFIRMATIVE COVENANTS

         So long as any part of the Debentures remains unpaid or has not been
redeemed or converted hereunder, and until such payment, redemption or
conversion in full, unless the Lender shall otherwise consent in writing, which
consent shall not be unreasonably withheld, Borrower agrees that:

SECTION 5.01. FINANCIAL STATEMENTS, REPORTS AND DOCUMENTS. 

   (a)   The Borrower shall accurately and fairly maintain its books of account
in accordance with generally accepted accounting principles, employ a firm of
independent certified public accountants, which firm is Hein + Associates or
one of the six largest national accounting firms or which is approved by the
Lender, to make annual audits of its accounts in accordance with generally
accepted auditing standards; permit the Lender and its representatives to have
access to and to examine its properties, books and records (and to copy and
make extracts therefrom) at such reasonable times and intervals as the Lender
may request and to discuss its affairs, finances and accounts with its officers
and auditors, all to such reasonable extent and at such reasonable times and
intervals as the Lender may request.

   (b)   The Borrower shall provide the following reports and information to
the Lender and or the Lender's designee:

         (i)     As soon as available, and in any event within forty-five (45)
days after the close of each quarter (subject to extensions as permitted under
rule 12b-25), the Company's report on Form 10-Q with exhibits for said period.
In addition, the Lender may at its sole discretion request internal monthly
reports for specific periods.

         (ii)    As soon as available, and in any event within ninety (90) days
after the close of each year  (subject to extensions as permitted under rule
12b-25), the Company's report on Form 10-K with exhibits for said period.

         (iii)   Each quarter, concurrent with the periodic report required
above, a certificate executed by





                                       13
<PAGE>   14



the Chief Financial Officer or Chief Executive Officer of the Borrower, (a)
stating that a review of the activities of the Borrower during such fiscal
period has been made under his supervision and that the Borrower has observed,
performed and fulfilled each and every obligation and covenant contained herein
and is not in default under any of the same or, if any such default shall have
occurred, specifying the nature and status thereof, and (b) setting forth a
computation in reasonable detail as of the end of the period covered by such
statements, of compliance with the Agreed Minimum Financial Standards in
Exhibit 7.01 as provided therein.

         (iv)    So long as any Debentures remains outstanding, promptly (but
in any event within five business days) upon learning of the occurrence of a
Default or an Event of Default deliver a certificate signed by the Chief
Executive Officer or Chief Financial Officer of the Borrower describing such
Default, Event of Default and stating what steps are being taken to remedy or
cure the same.

         (v)     Promptly (but in any event within five business days) upon the
receipt thereof by the Borrower or the Board of Directors of the Borrower,
copies of all reports, all management letters and other detailed information
submitted to the Borrower or the Board by independent accountants in connection
with each annual or interim audit or review of the accounts or affairs of the
Borrower made by such accountants.

         (vi)    With reasonable promptness, such other information relating to
the finances, properties, business and affairs of the Borrower and each
Subsidiary, as Lender reasonably may request from time to time.

         (vii)   Promptly upon its becoming available, one copy of each 
financial statement, report, press release, notice or proxy statement sent by
Borrower to stockholders generally and of each regular or periodic report, 
registration statement or prospectus filed by Borrower with any securities 
exchange or the SEC or any successor agency, and of any order issued by any 
Governmental Authority in any proceeding to which the Borrower is a party.

SECTION 5.02. PREPARATION OF A BUDGET.

   (a) At least thirty (30) days prior to the beginning of Borrower's fiscal
year, Borrower agrees to prepare and submit to the Board, and furnish to the
Lender a copy of, an annual plan for such year which shall include without
limitation plans for expansion, if any, plans for incurrences of Indebtedness
and projections regarding other sources of funds, monthly projected capital and
operating expense budgets, cash flow statements, profit and loss statements and
balance sheet projections, itemized in such detail as the Board and/or the
Lender may request.

SECTION 5.03. OPERATION REVIEW. 

   (a)  Borrower agrees that it will review its operations with Lender.  Such
operations reviews will be in such depth and detail as Lender shall reasonably
request.  Operations reviews, which usually will require a day or less to
complete, will be held as reasonably necessary, generally once a fiscal
quarter.

SECTION 5.04. PAYMENT OF TAXES AND OTHER INDEBTEDNESS. 

   (a) Borrower shall, and shall cause its Subsidiaries, if any, to, pay and
discharge (i) all taxes, assessments and governmental charges or levies imposed
upon it or upon its income or profits, or upon any property belonging to it,
before delinquent, (ii) all lawful claims (including claims for labor,
materials and supplies), which, if unpaid, might give rise to a Lien upon any
of its property, and (iii) all of its other Indebtedness, except as prohibited
hereunder; provided, however, that Borrower and its Subsidiaries, if any, shall
not be required to pay any such tax, assessment, charge or levy if and so long
as the amount, applicability or validity thereof shall currently be contested
in good faith by appropriate proceedings and appropriate accruals and reserves
therefor have been established in accordance with GAAP.

SECTION 5.05. MAINTENANCE OF EXISTENCE AND RIGHTS; CONDUCT OF BUSINESS. 

   (a) Borrower shall, and shall cause its Subsidiaries, if any, to, preserve
and maintain its corporate existence and all of its rights, privileges and
franchises necessary or desirable in the normal conduct of its business, and
conduct its business in an orderly and efficient manner consistent with good
business practices and in





                                       14
<PAGE>   15



accordance with all valid regulations and orders of any Governmental Authority.
Borrower shall keep its principal place of business within the United States.

SECTION 5.06. SEC FILING AND MAINTENANCE OF SEC REPORTING REQUIREMENTS. 

   (a) Once Borrower has a class of securities registered pursuant to Section
12 of the 1934 Act, Borrower shall duly file, when due, all reports and
statements required of a company whose securities are registered for public
trading under and pursuant to the 1934 Act, as amended, and any rules and
regulations issued thereunder, and to preserve and maintain its registration
thereunder and all of the rights of its security holders normally associated
with a publicly traded stock company.

SECTION 5.07. NOTICE OF DEFAULT.

   (a) Borrower shall furnish to Lender, immediately upon becoming aware of the
existence of any condition or event which constitutes a Default or would with
the passage of time become a Default or an Event of Default, written notice
specifying the nature and period of existence thereof and the action which
Borrower is taking or proposes to take with respect thereto.

SECTION 5.08. OTHER NOTICES. 

   (a) Borrower shall promptly notify Lender of (i) any Material Adverse Change
in its financial condition or its business, (ii) any default under any material
agreement, contract or other instrument to which it is a party or by which any
of its properties are bound, or any acceleration of the maturity of any
Indebtedness owing by Borrower or its Subsidiaries, if any, (iii) any material
adverse claim against or affecting Borrower or its Subsidiaries, if any, or any
of its properties, and (iv) the commencement of, and any material determination
in, any litigation with any third party or any proceeding before any
Governmental Authority, the negative result of which has an adverse material
effect on Borrower or its Subsidiaries.

SECTION 5.09. COMPLIANCE WITH LOAN DOCUMENTS. 

   (a) Borrower shall, and shall cause each of its Subsidiaries, if any, to
promptly comply with any and all covenants and provisions of the Loan
Documents.

SECTION 5.10. COMPLIANCE WITH MATERIAL AGREEMENTS. 

   (a) Borrower shall, and shall cause each of its Subsidiaries, if any to
comply in all material respects with all material agreements, indentures,
mortgages or documents binding on it or affecting its properties or business.

SECTION 5.11. OPERATIONS AND PROPERTIES. 

   (a) Borrower shall, and shall cause each of its Subsidiaries, if any to, act
prudently and in accordance with customary industry standards in managing or
operating its assets, properties, business and investments. Borrower shall and
shall cause each of its Subsidiaries, if any, to, keep in good working order
and condition, ordinary wear and tear excepted, all of its material assets and
properties which are necessary to the conduct of its business.

SECTION 5.12. BOOKS AND RECORDS; ACCESS. 

   (a) Borrower shall, and shall cause each of its Subsidiaries, if any, to,
maintain complete and accurate books and records of its transactions in
accordance with good accounting practices. Borrower shall give each duly
authorized representative of Lender access during all normal business hours and
permit such representative to examine, copy or make excerpts from, any and all
books, records and documents in the possession of Borrower and its Subsidiaries
and relating to its affairs, and to inspect any of the properties of Borrower
and its Subsidiaries, if any. Borrower shall make a copy of this Loan
Agreement, along with any waivers, consents, modifications or amendments,
available for review at its principal office by Lender or Lender's
representatives.  

SECTION 5.13. COMPLIANCE WITH LAW.

   (a) Borrower shall, and shall cause each of its Subsidiaries, if any, to,
comply with all applicable laws, rules, regulations, and all orders of any
Governmental Authority applicable to it or any of its property, business
operations or transactions, a breach of which could have a Material Adverse
Effect.





                                       15
<PAGE>   16



SECTION 5.14. INSURANCE. 

   (a) Borrower shall, and shall cause each of its Subsidiaries, if any,  to,
maintain such worker's compensation insurance, liability insurance and
insurance on its properties, assets and business, now owned or hereafter
acquired, against such casualties, risks and contingencies, and in such types
and amounts, as are consistent with customary practices and standards of
companies engaged in similar businesses.

SECTION 5.15. AUTHORIZATIONS AND APPROVALS. 

   (a) Borrower shall, and shall cause each of its Subsidiaries, if any, to,
promptly obtain, from time to time at its own expense, all such governmental
licenses, authorizations, consents, permits and approvals as may be required to
enable it to comply with its obligations hereunder and under the other Loan
Documents.

SECTION 5.16. ERISA COMPLIANCE. 

   (a) Borrower shall (i) at all times, make prompt payment of all
contributions required under all Plans, if any, and required to meet the
minimum funding standards set forth in ERISA with respect to its Plans subject
to ERISA, if any, (ii) notify Lender immediately of any fact in connection with
any of its Plans, which might constitute grounds for termination thereof or for
the appointment by the appropriate United States District Court of a trustee to
administer such Plan, together with a statement, if requested by Lender as to
the reason therefor and the action, if any, proposed to be taken with respect
thereto, and (iii) furnish to Lender upon its request such additional
information concerning any of its Plans as may be reasonably requested.

SECTION 5.17. FURTHER ASSURANCES. 

   (a) Borrower shall, and shall cause each of its Subsidiaries, if any, to,
make, execute or endorse, and acknowledge and deliver or file or cause the same
to be done, all such notices, certifications and additional agreements,
undertakings, transfers, assignments, or other assurances, and take any and all
such other action, as Lender may, from time to time, deem reasonably necessary
or proper in connection with any of the Loan Documents, or the obligations of
Borrower or its Subsidiaries, if any, thereunder, which Lender may request from
time to time.

SECTION 5.18. INDEMNITY BY BORROWER. 

   (a) Borrower shall indemnify, save, and hold harmless, Lender and its
directors, officers, agents, attorneys, and employees (collectively, the
"indemnitees") from and against: (i) any and all claims, demands, actions or
causes of action that are asserted against any indemnitee if the claim, demand,
action or cause of action directly or indirectly relates to the Loan Agreement
and the other Loan Documents issued pursuant thereto, the use of proceeds of
the Loans, or the relationship of Borrower and Lender under this Loan Agreement
or any transaction contemplated pursuant to this Loan Agreement, (ii) any
administrative or investigative proceeding by any Governmental Authority
directly or indirectly related to a claim, demand, action or cause of action
described in clause (i) above, and (iii) any and all liabilities, losses,
costs, or expenses (including reasonable attorneys' fees and disbursements)
that any indemnitee suffers or incurs as a result of any of the foregoing;
provided, however, that Borrower shall have no obligation under this Section to
Lender with respect to any of the foregoing arising out of the gross negligence
or willful misconduct of Lender or its assignees or the breach by the Lender or
its assignees of this Loan Agreement or any other Loan Document or other
document executed in connection with any of the aforesaid, the breach by Lender
or its assignees of any agreement or commitment with other parties, the
violation or alleged violation of any law, rule or regulation by Lender or its
assignees, or from the transfer or disposition by Lender of any Debenture or
the Common Stock issued upon conversion.  If any claim, demand, action or cause
of action is asserted against any indemnitee, such indemnitee shall promptly
notify Borrower, but the failure to so promptly notify Borrower shall not
affect Borrower's obligations under this Section unless such failure materially
prejudices Borrower's right to participate in the contest of such claim,
demand, action or cause of action, as hereinafter provided.  In the event that
such indemnitee's failure to properly notify the Borrower materially prejudices
Borrower's right to participate in the contest of such claim, demand, action,
or cause of action, then said indemnitees shall have no right to receive and
Borrower shall have no obligation to pay any indemnification amounts hereunder.
Borrower may elect to defend any such claim, demand, action or cause of action
(at its





                                       16
<PAGE>   17



own expense) asserted against said indemnitee and, if requested by Borrower in
writing and so long as no Default or Event of Default shall have occurred and
be continuing, such indemnitee (at Borrower's expense) shall in good faith
contest the validity, applicability and amount of such claim, demand, action or
cause of action and shall permit Borrower to participate in such contest.  Any
indemnitee that proposes to settle or compromise any claim or proceeding for
which Borrower may be liable for payment to or on behalf of an indemnitee
hereunder shall give Borrower written notice of the terms of such proposed
settlement or compromise reasonably in advance of settling or compromising such
claim or proceeding and shall obtain Borrower's written concurrence thereto.
In the event that said indemnitee fails to obtain Borrower's prior written
consent to any such settlement or compromise, said indemnitee shall have no
right to receive and Borrower shall have no obligation to pay any
indemnification amounts hereunder.  Each indemnitee is to employ counsel in
enforcing its rights hereunder and in defending against any claim, demand,
action, or cause of action covered by this Section; provided, however, that
each indemnitee shall endeavor, but shall not be obligated, in connection with
any matter covered by this Section which also involves other indemnitees, to
use reasonable efforts to avoid unnecessary duplication of effort by counsel
for all indemnitees, including by allowing indemnitor to select one lawyer for
all parties, such selection to be subject to the indemnitee's approval, which
approval shall not be unreasonably withheld.  Any obligation or liability of
Borrower to any indemnitee under this Section shall survive the expiration or
termination of this Loan Agreement and the repayment of the Debentures.

5.19. PAYMENT OF MANAGEMENT FEE/MONITORING FEE

   Borrower shall pay to Renaissance U.S. Growth and Income Trust PLC. a
financial advisory fee of $750 per month.

5.20. PLEDGE OF ACQUIRED SUBSIDIARY/EXECUTION OF SECURITY AGREEMENTS AND
FINANCING STATEMENTS

   Borrower shall pledge to Renaissance U.S. Growth & Income Trust PLC and its
assigns shares representing 100% of ACS Pro Meta acquired by Borrower.  In
addition, Borrower shall cause ACS Pro Meta to execute security agreements and
financing statements with Renaissance U.S. Growth & Income Trust PLC and its
assigns pledging all assets, both tangible and intangible.  The foregoing shall
apply only if Borrower acquires ACS Pro Meta.

                        ARTICLE VI - NEGATIVE COVENANTS 

   So long as any part of the Debentures have not been redeemed or converted
hereunder, and until such redemption or conversion in full, unless the Lender
shall otherwise consent in writing, which consent shall not be unreasonably
withheld, Borrower agrees that, unless permitted otherwise:

SECTION 6.01. LIMITATION ON INDEBTEDNESS. 

   (a) Borrower and its Subsidiaries shall not incur, create, contract, waive,
assume, have outstanding, guarantee or otherwise be or become, directly or
indirectly, liable in respect of any Indebtedness, except

   (i) Indebtedness arising out of this Loan Agreement or otherwise
contemplated herein,

   (ii) Indebtedness secured by the Permitted Liens,

   (iii) current liabilities for accounts payable or obligations accrued (other
than for borrowed funds or purchase money obligations) and incurred in the
ordinary course of business, and for taxes and assessments;

    (i)  Short term working capital borrowings in the ordinary course of
         business not in excess of $250,000 in the aggregate amount at any one
         time.

    (i)  Indebtedness as listed on Exhibit 4.05

SECTION 6.02. NEGATIVE PLEDGE.

   (a) Borrower shall not, and shall not permit its Subsidiaries, if any, to,
create, incur, permit or suffer to exist any Lien upon any of its property or
assets other than Permitted Liens, or payments upon any Subordinated Debt other
than regularly scheduled installments of principal and interest and shall not
directly or indirectly make any payment of any Subordinated Debt which would
violate the terms of the Loan





                                       17
<PAGE>   18



Agreement or of such Subordinated Debt or any subordination agreement
applicable to such Subordinated Debt.

SECTION 6.03. LIMITATION ON INVESTMENTS. 

   (a) Borrower shall not, and shall not permit its Subsidiaries, if any, to
make or have outstanding any Investments in any Person, except for Borrower's
(and any Subsidiaries') ownership of stock of Subsidiaries, loans and other
transactions between the Borrower and any Subsidiaries, short term bank
deposits or money market investments, and such other "cash equivalent"
investments as Lender may from time to time approve.

SECTION 6.04. ALTERATION OF MATERIAL AGREEMENTS. 

   (a) Borrower shall not, and shall not permit its Subsidiaries, if any, to,
consent to or permit any alteration, amendment, modification, release, waiver
or termination of any material agreement to which it is a party other than in
the ordinary course of business.



SECTION 6.05. CERTAIN TRANSACTIONS. 

   (a) Borrower shall not, and shall not permit its Subsidiaries, if any, to,
enter into any transaction with, or pay any management fees to, any Affiliate;
provided, however, that Borrower and any Subsidiary may enter into transactions
with Affiliates upon terms not less favorable to Borrower and any Subsidiary
than would be obtainable at the time in comparable transactions of Borrower and
any Subsidiaries in arms-length dealings with Persons other than Affiliates.

SECTION 6.06. LIMITATIONS ON ACQUISITION OF NON-RELATED BUSINESS.

   Borrower shall not, and shall not permit its Subsidiaries, if any, to,
engage in any line of business or acquire any new product lines or business or
acquire any companies unless such new product line or business of the company
acquired is primarily involved in the systems integration business.

SECTION 6.07. LIMITATION ON SALE OF PROPERTIES. 

   (a) Borrower shall not, and shall not permit its Subsidiaries if any, to (i)
sell, assign, convey, exchange, lease or otherwise dispose of any of its
properties, rights, assets or business, whether now owned or hereafter
acquired, except in the ordinary course of its business and for a fair
consideration, or (ii) sell, assign or discount any accounts receivable except
in the ordinary course of business or to secure bank or commercial working
capital loans.

SECTION 6.08. FISCAL YEAR AND ACCOUNTING METHOD. 

   (a) Borrower shall not, and shall not permit its Subsidiaries, if any, to,
change its method of accounting except as permitted by GAAP.

SECTION 6.09. LIQUIDATION, MERGERS, CONSOLIDATIONS AND DISPOSITIONS OF
SUBSTANTIAL ASSETS.

   (a) Borrower shall not permit its Subsidiaries, if any, to dissolve or
liquidate, or become a party to any merger or consolidation, or sell, transfer,
lease or otherwise dispose of all or any substantial part of its property or
assets or business.

SECTION 6.10. NO AMENDMENTS TO ARTICLES OF INCORPORATION OR BYLAWS.

   (a) Borrower shall not, and shall not permit its Subsidiaries, if any, to
materially amend its Articles of Incorporation or bylaws except as is necessary
to fulfill the conditions of this Loan Agreement.

SECTION 6.11. LIMITATION ON INCREASED EXECUTIVE COMPENSATION AND BONUS, PROFIT
SHARING OR OTHER INCENTIVE PAYMENTS.

   (a)  Borrower will not increase salary, bonus, or other compensation
programs (whether in cash, securities, or other property, and whether payment
is deferred or current) of the top five executive officers of the Borrower
unless such compensation increase is approved by a majority of the Board or a
Compensation Committee of the Board of Directors, a majority of which shall be
disinterested Directors.

   (b)  Borrower shall not pay any Bonus, Profit Sharing or Other Incentive
Payments until such plans are formally adopted by the majority of the Board or
a Compensation Committee of the Board of Directors, a majority of which shall
be disinterested Directors.





                                       18
<PAGE>   19



         ARTICLE VII - COVENANTS OF MAINTENANCE OF FINANCIAL STANDARDS

SECTION 7.01. FINANCIAL RATIOS.

   (a) So long as any part of the Debentures has not been redeemed or converted
hereunder, and until such redemption or conversion in full, or unless the
Lender (or if any portion of the Debentures has been assigned, the holders of a
majority in amount of the outstanding Principal Amount) shall otherwise consent
in writing, the Borrower  will at all times maintain the agreed minimum
financial ratios or standards as provided and set forth in Exhibit 7.01 -
Agreed Minimum Financial Standards as attached hereto and made a part hereof.
Borrower shall deliver to Lender a compliance certificate covering these ratios
as required in Section 5.01(b)(iii).

   
                      ARTICLE VIII - EVENTS OF DEFAULT

SECTION 8.01. EVENTS OF DEFAULT.

   (a) An "Event of Default" shall exist if any one or more of the following
events (herein collectively called "Events of Default") shall occur and be
continuing:

   (i) Borrower shall fail to pay (or shall state in writing an intention not
to pay or its inability to pay), not later than ten (10) days after the due
date, any  installment of interest on or principal of, any Debenture or any
fee, expense or other payment required hereunder or a default shall occur in
respect to the Security Agreement or Pledge Agreement securing the Debenture;

   (ii) Any representation or warranty made under this Loan Agreement, or any
of the other Loan Documents, or in any certificate or statement furnished or
made to Lender pursuant hereto or in connection herewith or with the Loans
hereunder, shall prove to be untrue or inaccurate in any material respect as of
the date on which such representation or warranty was made;

   (iii) Default shall occur in the performance of any of the covenants or
agreements of Borrower or of its Subsidiaries, if any, contained herein, or in
any of the other Loan Documents, which is not remedied within thirty (30) days
after written notice thereof to Borrower from Lender;

   (iv) Default shall occur in the payment of any material indebtedness of the
Borrower or its Subsidiaries, if any, (other than the Obligation) or default
shall occur in respect of any note, loan agreement or credit agreement relating
to any such indebtedness and such default shall continue for more than the
period of grace, if any, specified therein and any such indebtedness shall
become due before its stated maturity by acceleration of the maturity thereof
or shall become due by its terms and shall not be promptly paid or extended.

   (v) Any of the Loan Documents shall cease to be legal, valid and binding
agreements enforceable against the Borrower in accordance with the respective
terms thereof or shall in any way be terminated or become or be declared
ineffective or inoperative or shall in any way whatsoever cease to give or
provide the respective rights, titles, interests, remedies, powers or
privileges intended to be created thereby;

   (vi) Borrower or its Subsidiaries, if any, shall (A) apply for or consent to
the appointment of a receiver, trustee, custodian, intervenor or liquidator of
itself, or of all or substantially all of such Person's assets, (B) file a
voluntary petition in bankruptcy, admit in writing that such Person is unable
to pay such Person's debts as they become due or generally not pay such
Person's debts as they become due, (C) make a general assignment for the
benefit of creditors, (D) file a petition or answer seeking reorganization or
an arrangement with creditors or to take advantage of any bankruptcy or
insolvency laws, (E) file an answer admitting the material allegations of, or
consent to, or default in answering, a petition filed against such Person in
any bankruptcy, reorganization or insolvency proceeding, or (F) take final
corporate action for the purpose of effecting any of the foregoing;

   (vii) An involuntary petition or complaint shall be filed against Borrower
or any of its Subsidiaries, if any, seeking bankruptcy or reorganization of
such Person or the appointment of a receiver, custodian, trustee, intervenor or
liquidator of such Person, or all or substantially all of such Person's assets,
and such petition





                                       19
<PAGE>   20



or complaint shall not have been dismissed within sixty (60) days of the filing
thereof or an order, order for relief, judgment or decree shall be entered by
any court of competent jurisdiction or other competent authority approving a
petition or complaint seeking reorganization of Borrower or its subsidiary, if
any, or appointing a receiver, custodian, trustee, intervenor or liquidator of
such Person, or of all or substantially all of such Person's assets;

   (viii) Any final judgment(s) for the payment of money in excess of the sum
of $250,000 in the aggregate shall be rendered against Borrower or any
subsidiary and such judgment or judgments shall not be satisfied or discharged
at least ten (10) days prior to the date on which any of its assets could be
lawfully sold to satisfy such judgment;

   (ix) The Borrower shall fail to issue and deliver shares of Common Stock as
provided herein upon conversion of the Debenture.  or

   (x)   The Borrower shall fail to submit Lender's nominee, if any, for
election to the Board of Directors of the Borrower or shall remove Lender's
nominee from the Board of Directors of Borrower other than for cause.

   (xi) The Borrower shall fail to execute and deliver Pledge Agreement and
pledged stock or Security Agreement as required under this Agreement.

SECTION 8.02. REMEDIES UPON EVENT OF DEFAULT. 

   (a) If an Event of Default shall have occurred and be continuing, then
Lender may exercise any one or more of the following rights and remedies, and
any other remedies provided in any of the Loan Documents, as Lender in its sole
discretion may deem necessary or appropriate:

   (i) declare the unpaid Principal Amount (after application of any payments
or installments received by Lender) of, and all interest then accrued but
unpaid on, the Debentures and any other liabilities hereunder to be forthwith
due and payable, whereupon the same shall forthwith become due and payable
without presentment, demand, protest, notice of default, notice of acceleration
or of intention to accelerate or other notice of any kind, all of which
Borrower hereby expressly waives, anything contained herein or in the
Debentures to the contrary notwithstanding,

   (ii) reduce any claim to judgment, and/or

   (iii) without notice of default or demand, pursue and enforce any of
Lender's rights and remedies under the Loan Documents, or otherwise provided
under or pursuant to any applicable law or agreement, all of which rights may
be specifically enforced.

SECTION 8.03. PERFORMANCE BY LENDER.

   (a) Should Borrower fail to perform any covenant, duty or agreement
contained herein or in any of the other Loan Documents, Lender may perform or
attempt to perform such covenant, duty or agreement on behalf of Borrower.  In
such event, Borrower shall, at the request of Lender, promptly pay any amount
reasonably expended by Lender in such performance or attempted performance to
Lender at its principal office in Dallas, Texas, together with interest
thereon, at the interest rate specified in the Debenture, from the date of such
expenditure until paid.  Notwithstanding the foregoing, it is expressly
understood that Lender assumes no liability or responsibility for the
performance of any duties of Borrower hereunder or under any of the other Loan
Documents.

SECTION 8.04. PAYMENT OF EXPENSES INCURRED BY LENDER. 

   (a)   Upon the occurrence of a Default or an Event of Default, which
occurrence is not cured within the notice provisions, if any, provided
therefore, Borrower agrees to pay and shall pay all costs and expenses
(including Lender's attorney's fees and expenses) reasonably incurred by Lender
in connection with the preservation and enforcement of Lender's rights under
the Loan Agreement, the Debentures, or any other Loan Document.





                                       20
<PAGE>   21



                        ARTICLE IX - REGISTRATION RIGHTS

SECTION 9.01.  DEMAND FOR REGISTRATION.

   (a)   Subject to the Holder's right to convert the Debenture under the Loan
Agreement, the Borrower hereby agrees to register, subject to the terms and
conditions set forth herein, all or any portion of the Registrable Securities
at any time it shall receive a written request from the Holders of at least
fifty percent (50%) of the Registrable Securities Then Outstanding (or a lesser
percent if the anticipated aggregate offering price, net of underwriting
discounts and commissions, would exceed $1,000,000) that the Borrower file a
registration statement under the 1933 Act covering the registration of at least
a majority of the Registrable Securities Then Outstanding.  The Borrower shall,
within 20 days of its receipt thereof, give written notice of such request to
all Holders of record of Registrable Securities.  The Holders of said
Registrable Securities shall then have 15 days from the date of mailing of such
notice by the Borrower to request that all or a portion of their respective
Registrable Securities be included in said registration.  The Borrower hereby
agrees, subject to the limitations hereof, to use its best lawful efforts to
effect as soon as reasonably possible, and in any event (if legally possible,
and as allowed by the SEC, and if no factor outside the Borrower's reasonable
control prevents it) within 150 days of the receipt of the initial written
registration request, to effect the registration under the 1933 Act of all
Registrable Securities which the Holders thereof (the "Initiating Holders")
have requested.

   (b)   If the Initiating Holders intend to distribute the Registrable
Securities covered by their request by means of an underwriting, they shall so
advise the Borrower as a part of their request made pursuant to this Loan
Agreement, and the Borrower shall include such information in the written
notice to the other Holders of Registrable Securities referred to in Section
9.01(a). In such event, the right of any Holder to include his/her Registrable
Securities in such registration shall be conditioned upon such Holder's
participation in such underwriting and the inclusion of such Holder's
Registrable Securities in the underwriting (unless otherwise mutually agreed by
the Borrower, the underwriter, a majority in interest of the Initiating Holders
and such Holder) is limited to the extent provided herein.  All Holders
proposing to distribute their securities through such underwriting shall
(together with the Borrower as provided in Section 9.03(e)) enter into an
underwriting agreement in customary form with the underwriter or underwriters
selected for such underwriting by mutual agreement of the Borrower and a
majority in interest of the Initiating Holders, which agreement shall not be
unreasonably withheld.  Notwithstanding any other provision of this Section
9.01, if the underwriter advises the Initiating Holders and the Borrower in
writing that marketing factors require a limitation of the number of shares to
be underwritten, then the Initiating Holder(s) shall so advise all Holders of
Registrable Securities which would otherwise be underwritten pursuant hereto,
and the number of shares of Registrable Securities that may be included in the
underwriting shall be allocated on a pro rata basis among all Holders that have
requested to participate in such registration.

   (c)   Notwithstanding any provision to the contrary set forth herein, the
parties hereto hereby acknowledge and agree that the Borrower is obligated to
pay for two (2) registrations pursuant to this Loan Agreement.  Lender shall
utilize Rule 144 if said exemption, in the Lender's determination, meets its
distribution requirements.

   (d)   Notwithstanding the foregoing, if the Borrower shall furnish to the
Initiating Holders a certificate signed by the President of the Borrower
stating that in the good faith judgment of the Board of Directors of the
Borrower, it would be materially detrimental to the Borrower and its
shareholders for such registration statement to be filed at that time, and it
is therefore essential to defer the filing of such registration statement, the
Borrower shall have the right to defer the commencement of such a filing for a
period of not more than 180 days after receipt of the request of the Initiating
Holders; provided, however, that at least 12 months must elapse between any two
such deferrals.

SECTION 9.02.  "PIGGY-BACK" REGISTRATION.

   If, but without any obligation to do so, the Borrower proposes to register
any of its capital stock under the 1933 Act in connection with the public
offering of such securities for its own account or for the account of





                                       21
<PAGE>   22



its security holders, other than Holders of Registrable Securities pursuant
hereto (a "Piggy-Back Registration Statement"), (other than (i) a registration
relating solely to the sale of securities to participants in the Borrower's
stock plans or employee benefit plans or (ii) a registration relating solely to
an SEC Rule 145 transaction or any rule adopted by the SEC in substitution
thereof or in amendment thereto), then:

   (a)   The Borrower shall give written notice of such determination to each
Holder of Registrable Securities, and each such Holder shall have the right to
request, by written notice given to the Borrower within 15 days of the date
that such written notice was mailed by the Borrower to such Holder, that a
specific number of Registrable Securities held by such Holder will be included
in the Piggy-Back Registration Statement (and related underwritten offering, if
any);

   (b)   If the Piggy-Back Registration Statement relates to an underwritten
offering, the notice given to each Holder shall specify the name or names of
the managing underwriter or underwriters for such offering. In addition such
notice shall also specify the number of securities to be registered for the
account of the Borrower and for the account of its shareholders (other than the
Holders of Registrable Securities), if any;

   (c)   If the Piggy-Back Registration Statement relates to an underwritten
offering, each Holder of Registrable Securities to be included therein must
agree (i) to sell such Holder's Registrable Securities on the same basis as
provided in the underwriting arrangement approved by the Borrower, and (ii) to
timely complete and execute all questionnaires, powers of attorney,
indemnities, hold-back agreements, underwriting agreements and other documents
required under the terms of such underwriting arrangements or by the SEC or by
any state securities regulatory body;

   (d)   If the managing underwriter or underwriters for the underwritten
offering under the Piggy-Back Registration Statement determines that inclusion
of all or any portion of the Registrable Securities in such offering would
adversely affect the ability of the underwriters for such offering to sell all
of the securities requested to be included for sale in such offering at the
best price obtainable therefor, the aggregate number of Registrable Securities
that may be sold by the Holders shall be limited to such number of Registrable
Securities, if any, that the managing underwriter or underwriters  determine
may be included therein without such adverse effect as provided below.  If the
number of securities proposed to be  sold in such underwritten offering exceeds
the number of securities that may be sold in such offering, there shall be
included in the offering, first, up to the maximum number of securities to be
sold by the Borrower for its own account and for the account of other
stockholders (other than Holders of Registrable Securities), as they may agree
among themselves, and second, as to the balance, if any, Registrable Securities
requested to be included therein by the Holders thereof (pro rata as between
such Holders based upon  the number of Registrable Securities initially
proposed to be registered by each), or in such other proportions as the
managing underwriter or underwriters for the offering may require; provided,
however, that in the event that the number of securities proposed to be sold in
such underwritten offering exceeds the number of securities that may be sold in
such offering pursuant to the terms and conditions set forth above and the
Piggy-Back Registration Statement is a result of public offering by the
Borrower of its securities for its own account, there shall be included in the
offering, first, up to the maximum number of securities to be sold by the
Borrower for its own account and second, as to the balance, if any, securities
to be sold for the account of the Borrower's stockholders (both the Holders of
Registrable Securities requested and such other stockholders of the Borrower
requested to be included therein) on a pro rata basis;

   (e)   Holders of Registrable Securities shall have the right to withdraw
their Registrable Securities from the Piggy- Back Registration Statement, but
if the same relates to an underwritten offer, they may only do so during the
time period and on the terms agreed upon among the underwriters for such
underwritten offering and the Holders of Registrable Securities.

SECTION 9.03.  OBLIGATIONS OF THE BORROWER.  

   Whenever required to effect the registration of any Registrable Securities
pursuant to this Loan Agreement, the Borrower shall, as expeditiously as
reasonably possible:

   (a)   Prepare and file with the SEC a registration statement with respect to
such Registrable Securities and





                                       22
<PAGE>   23



use its best lawful efforts to cause such registration statement to become
effective, and keep such registration statement effective until the sooner of
all such Registrable Securities having been distributed, or until 120 days have
elapsed since such registration statement became effective (subject to
extension of this period as provided below);

   (b)   Prepare and file with the SEC such amendments and supplements to such
registration statement and the prospectus used in connection with such
registration statement as may be necessary to comply with the provisions of the
1933 Act with respect to the disposition of all securities covered by such
registration statement, or 120 days have elapsed since such registration
statement became effective (subject to the extension of this period as provided
below);

   (c)   Furnish to the Holders such numbers of copies of a prospectus,
including a preliminary prospectus, in conformity with the  requirements of the
1933 Act, and such other documents as they may reasonably request in order to
facilitate the disposition of Registrable Securities owned by them;

   (d)   Use its best lawful efforts to register and qualify the securities
covered by such registration statement under such other securities or Blue Sky
laws of such jurisdictions as shall be reasonably requested by the Holders,
provided that the Borrower shall not be required in connection therewith or as
a condition thereto to qualify as a broker-dealer in any states or
jurisdictions or to do business or to file a general consent to service of
process in any such states or jurisdictions;

   (e)   In the event of any underwritten public offering, enter into  and
perform its obligations under an underwriting agreement with the managing
underwriter of such offering, in usual and customary form reasonably
satisfactory to the Borrower and the Holders of a majority of the Registrable
Securities to be included in such offering.  Each Holder participating in such
underwriting shall also enter into and perform its obligations under such an
agreement;

   (f)   Notify each Holder of Registrable Securities covered by such
registration statement, at any time when a prospectus relating thereto and
covered by such registration statement is required to be delivered under the
1933 Act, of the happening of any event as a result of which the prospectus
included in such registration statement, as then in effect, includes an untrue
statement of a material fact or omits to state a material fact required to be
stated therein or necessary to make the statements therein not misleading in
the light of the circumstances then existing; and

   (g)   In the event of the notification provided for in Section 9.03(f)
above, the Borrower shall use its best efforts to prepare and file with the SEC
(and to provide copies thereof to the Holders) as soon as reasonably possible
an amended prospectus complying with the 1933 Act, and the period during which
the prospectus referred to in the notice provided for in Section 9.03(f) above
cannot be used and the time period prior to the use of the amended prospectus
referred to in this Section 9.03(g), shall not be counted in the 120 day period
of this Section 9.03.

SECTION 9.04.  FURNISH INFORMATION.

   (a)   It shall be a condition precedent to the obligations of the Borrower
to take any action pursuant to these registration rights that the selling
Holders shall furnish to the Borrower any and all information reasonably
requested by the Borrower, its officers, directors, employees, counsel, agents
or representatives, the underwriter or underwriters, if any, and the SEC or any
other Governmental Authority, including but not limited to (i) such information
regarding themselves, the Registrable Securities held by them, and the intended
method of disposition of such securities, as shall be required to effect the
registration of their Registrable Securities, and (ii) the identity of and
compensation to be paid to any proposed underwriter or broker-dealer to be
employed in connection therewith.

   (b)   In connection with the preparation and filing of each registration
statement registering Registrable Securities under the 1933 Act, the Borrower
shall give the Holders of Registrable Securities on whose behalf such
Registrable Securities are to be registered and their underwriters, if any, and
their respective counsel and accountants, at such Holders' sole cost and
expense (except as otherwise set forth herein), such access





                                       23
<PAGE>   24



to copies of the Borrower's records and documents and such opportunities to
discuss the business of the Borrower with its officers and the independent
public accountants who have certified its financial statements as shall be
reasonably necessary in the opinion of such Holders and such underwriters or
their respective counsel, to conduct a reasonable investigation within the
meaning of the 1933 Act.

SECTION 9.05.  EXPENSES OF DEMAND REGISTRATION.

   Except as set forth below, all expenses, other than underwriting discounts
and commissions incurred in connection with the demand registration pursuant to
Section 9.01 above, including, without limitation, all registration, filing and
qualification fees, printers' and accounting fees, fees and disbursements of
counsel for the Borrower, and the reasonable fees and disbursements of one
counsel for the selling Holders, shall be borne by the Borrower; provided,
however, that the Borrower shall not be required to pay for any expenses of any
registration proceeding which was commenced pursuant to Section 9.01 if the
registration request is subsequently withdrawn at the written request of the
Holders of the majority of the Registrable Securities subject to such
registration.

SECTION 9.06.  EXPENSES OF PIGGY-BACK REGISTRATION.  

   Each Holder shall bear and pay all commissions and discounts attributable to
the inclusion of such Holder's Registrable Securities in any registration,
filing or qualification of Registrable Securities pursuant to Section 9.02 and
the reasonable fees and disbursements of the counsel for the selling Holders.

SECTION 9.07.  INDEMNIFICATION REGARDING REGISTRATION RIGHTS. 

   If any Registrable Securities are included in a registration statement under
this Article IX:

   (a)   To the extent permitted by law, the Borrower will indemnify and  hold
harmless each Holder, the officers and directors of each Holder, any
underwriter (as defined in the 1933 Act) for such Holder and each person, if
any, who controls such Holder or underwriter within the meaning of the 1933 Act
or the 1934 Act, against any losses, claims, damages, liabilities (joint or
several) or any legal or other costs and expenses reasonably incurred by them
in connection with investigating or defending any such loss, claim, damage,
liability or action to which they may become subject under the 1933 Act, the
1934 Act or other federal or state law, insofar as such losses, claims,
damages, costs, expenses or liabilities (or actions in respect thereof) arise
out of or are based upon any of the following statements, omissions or
violations (collectively a "Violation"): (i) any untrue statement or alleged
untrue statement of a material fact with respect to the Borrower or its
securities contained in such registration statement, including any preliminary
prospectus or final prospectus contained therein or any amendments or
supplements therein, (ii) the omission or alleged omission to state therein a
material fact with respect to the Borrower or its securities required to be
stated therein or necessary to make the statements therein not misleading, or
(iii) any violation or alleged violation by the Borrower of the 1933 Act, the
1934 Act, any federal or state securities law or any rule or regulation
promulgated under the 1933 Act, the 1934 Act or any state securities law.
Notwithstanding the foregoing, the indemnity agreement contained in this
Section 9.07(a) shall not apply and the Borrower shall not be liable (i) in any
such case for any such loss, claim, damage, costs, expenses, liability or
action to the extent that it arises out of or is based upon a Violation which
occurs in reliance upon and in conformity with written information furnished
expressly for use in connection with such registration by any such Holder,
underwriter or controlling person, or (ii) for amounts paid in settlement of
any such loss, claim, damage, liability or action if such settlement is
effected without the prior written consent of the Borrower, which consent shall
not be unreasonably withheld.

   (b)   To the extent permitted by law, each Holder who participates in a
registration pursuant to the terms and conditions of this Loan Agreement shall
indemnify and hold harmless the Borrower, each of its directors and officers
who have signed the registration statement, each person, if any, who controls
the Borrower within the meaning of the 1933 Act or the 1934 Act, each of the
Borrower's employees, agents, counsel and representatives, any underwriter and
any other Holder selling securities in such registration statement, or any of
its directors or officers, or any person who controls such Holder, against any
losses, claims, damages, costs, expenses, liabilities (joint or several) to
which the Borrower or any such director, officer, controlling





                                       24
<PAGE>   25



person, employee, agent, representative, underwriter, or other such Holder, or
director, officer or controlling person thereof, may become subject, under the
1933 Act, the 1934 Act or other federal or state law, only insofar as such
losses, claims, damages, costs, expenses or liabilities or actions in respect
thereto arise out of or are based upon any Violation, in each case to the
extent and only to the extent that such Violation occurs in reliance upon and
in conformity with written information furnished by such Holder expressly for
use in connection with such.  Each such Holder will indemnify any legal or
other expenses reasonably incurred by the Borrower or any such director,
officer, employee, agent representative, controlling person, underwriter or
other Holder, or officer, director or of any controlling person thereof, in
connection with investigating or defending any such loss, claim, damage,
liability or action; provided, however, that the indemnity agreement contained
in this Section 9.07(b) shall not apply to amounts paid in settlement of any
such loss, claim, damage, costs, expenses, liability or action if such
settlement is effected without the prior written consent of the Holder, which
consent shall not be unreasonably withheld.

   (c)   Promptly after receipt by an indemnified party under this Section 9.07
of notice of the commencement of any action (including any governmental
action), such indemnified party will, if a claim in respect thereof is to be
made against any indemnifying party under this Section 9.07, deliver to the
indemnifying party a written notice of the commencement thereof and the
indemnifying party shall have the right to participate in, and, to the extent
the indemnifying party so desires, jointly with any other indemnifying party
similarly noticed, to assume the defense thereof with counsel mutually
satisfactory to the parties; provided, however, that an indemnified party shall
have the right to retain its own counsel, with the fees and expenses to be paid
by the indemnifying party, if representation of such indemnified party by the
counsel retained by the indemnifying party would be inappropriate due to actual
or potential conflict of interests between such indemnified party and any other
party represented by such counsel in such proceeding.  The failure to deliver
written notice to the indemnifying party within a reasonable time of the
commencement of any such action shall not relieve the indemnifying party of its
obligations under this Section 9.07, except to the extent that the failure
results in a failure of actual notice to the indemnifying party and such
indemnifying party is materially prejudiced in its ability to defend such
action solely as a result of the failure to give such notice.

   (d)   If the indemnification provided for in this Section 9.07 is
unavailable to an indemnified party under this Section in respect of any
losses, claims, damages, costs, expenses, liabilities or actions referred to
herein, then each indemnifying party, in lieu of indemnifying such indemnified
party, shall contribute to the amount paid or payable by such indemnified party
as a result of such losses, claims, damages, costs, expenses, liabilities or
actions in such proportion as is appropriate to reflect the relative fault of
the Borrower on the one hand and of the Holder on the other in connection with
the Violation that resulted in such losses, claims, damages, costs, expenses,
liabilities or actions.  The relative fault of the Borrower on the one hand and
of the Holder on the other shall be determined by reference to, among other
things, whether the untrue or alleged untrue statement of the material fact or
the omission to state a material fact relates to information supplied by the
Borrower or by the Holder, and the parties' relative intent, knowledge, access
to information and opportunity to correct or prevent such statement or
omission.

   (e)   The Borrower on the one hand and the Holders on the other hand agree
that it would not be just and equitable if contribution pursuant to this
Section 9.07 were determined by a pro rata allocation or by any other method of
allocation which does not take account of the equitable considerations referred
to in the immediately preceding paragraph.  The amount paid or payable by an
indemnified party as a result of losses, claims, damages, costs, expenses,
liabilities and actions referred to in the immediately preceding paragraph
shall be deemed to include, subject to the limitations set forth above, any
reasonable legal or other expenses incurred by such indemnified party in
connection with defending any such action or claim.  Notwithstanding the
provisions of this Section 9.07, neither the Borrower nor the Holders shall be
required to contribute any amount in excess of the amount by which the total
price at which the securities were offered to the public exceeds the amount of
any damages which the Borrower or each such Holder has otherwise been required
to pay by reason of such Violation.  No person guilty of fraudulent
misrepresentations (within the meaning





                                       25
<PAGE>   26



of Section 11(f) of the 1933 Act) shall be entitled to contribution from any
person who is not guilty of such fraudulent misrepresentation.

SECTION 9.08.  REPORTS UNDER THE 1934 ACT. 

   Once the Borrower has a class of securities registered pursuant to Section
12 of the 1934 Act, with a view to making available to the Holders the benefits
of Rule 144 promulgated under the 1933 Act and any other rule or regulation of
the SEC that may at any time permit a Holder to sell securities of the Borrower
to the public without registration or pursuant to a registration on Form S-3,
if applicable, the Borrower agrees to use its best lawful efforts to:

   (a)   Make and keep public information available, as those terms are
understood  and defined in SEC Rule 144, at all times;

   (b)   File with the SEC in a timely manner all reports and other documents
required of the Borrower under the 1933 Act and the 1934 Act;

   (c) Use its best efforts to list all Common Stock covered by such
registration statement on such securities exchange on which any of the Common
Stock is then listed, or, if the Borrower's Common Stock is not then quoted on
NASDAQ or listed on any national securities exchange, use its best efforts to
have such Common Stock covered by such registration statement quoted on NASDAQ
or, at the option of the Borrower, listed on a national securities exchange;
and

   (d)   Furnish to any Holder, so long as the Holder owns any Registrable
Securities, forthwith upon request a copy of the most recent annual or
quarterly report of  the Borrower  and  such  other  SEC  reports  and
documents so filed by the Borrower, and  (ii) such other information (but not
any opinion of counsel) as may be reasonably requested by any Holder seeking to
avail himself of any rule or regulation of the SEC which permits the selling of
any such securities without registration or pursuant to such form.

SECTION 9.09.  ASSIGNMENT OF REGISTRATION RIGHTS.  

   (a) Subject to the  terms and conditions of the Loan Agreement and the
Debentures, the right to cause the Borrower to register Registrable Securities
pursuant to this Loan Agreement may be assigned by Holder to any transferee or
assignee of such securities; provided that said transferee or assignee is a
transferee or assignee of at least ten percent (10%) of the Registrable
Securities and provided that the Borrower is, within a reasonable time after
such transfer, furnished with  written notice of the name and address of such
transferee or  assignee and the securities with respect to which such
registration rights are being assigned; and provided, further, that such
assignment shall be effective only if immediately following such transfer the
further disposition of such securities by the transferee or assignee is
restricted under the 1933 Act; it being the intention that so long as Holder
holds any Registrable Securities hereunder, either Holder or its transferee or
assignee of at least ten percent may exercise the demand right to registration
and piggy-back registration rights hereunder.  Other than as set forth above,
the parties hereto hereby agree that the registration rights hereunder shall
not be transferable or assigned and any contemplated transfer or assignment in
contravention of this Loan Agreement shall  be deemed null and void and of no
effect whatsoever.

SECTION 9.10.  OTHER MATTERS.

   (a)   Each Holder of Registrable Securities hereby agrees by acquisition of
such Registrable Securities that, with respect to each offering of the
Registrable Securities, whether each Holder is offering such Registrable
Securities in an underwritten or non-underwritten offering, such Holder will
comply with Rules 10b-2, 10b-6 and 10b-7 of the 1934 Act and such other or
additional anti-manipulation rules then in effect until such offering has been
completed, and in respect of any non-underwritten offering, in writing will
inform the Borrower, any other Holders who are selling shareholders, and any
national securities exchange upon which the securities of the Borrower are
listed, that the Registrable Securities have been sold and will, upon the
Borrower's request, furnish the distribution list of the Registrable
Securities.  In addition, upon the





                                       26
<PAGE>   27



request of the Borrower, each Holder will  supply the Borrower with such
documents and information as the Borrower may reasonably request with respect
to the subject matter set forth and described in this Section 9.10.

   (b)   Each Holder of Registrable Securities hereby agrees by acquisition of
such Registrable Securities that, upon receipt of any notice from the Borrower
of the happening of any event which makes any statement made in the
registration statement, the prospectus or any document incorporated therein by
reference, untrue in any material respect or which requires the making of any
changes in the registration statement, the prospectus or any document
incorporated therein by reference, in order to make the statements therein not
misleading in any material respect, such Holder will forthwith discontinue
disposition of Registrable Securities under the prospectus related to the
applicable registration statement until such Holder's receipt of the copies of
the supplemented or amended prospectus, or until it is advised in writing by
the Borrower that the use of the prospectus may be resumed, and has received
copies of any additional or supplemental filings which are incorporated by
reference in the prospectus.

   (c)   The Borrower hereby agrees not to effect any public sale or other
distribution of its equity securities, or any securities convertible into or
exchangeable or exercisable for such equity securities, during the period
commencing on the 7th day prior to, and ending on the 120th day (subject to
extension as provided in Section 9.03 hereof) following the effective date of
any underwritten demand registration, other than pursuant to Form S-8..

SECTION 9.11  TERMINATION OF RIGHTS.

   (a)  The Holders' right to demand registration and to participate in a
Piggy-Back Registration, as granted to Holders under this Article IX, shall
terminate on February 1, 2006, or after the Holder has exercised two demand
registration rights at the expense of the Borrower as provided in Article IX of
this Loan Agreement, whichever is first to occur.


              ARTICLE X - DIRECTORS AND BOARD MEETING ATTENDANCE 

SECTION 10.01. BOARD REPRESENTATION OR ATTENDANCE BY LENDER DESIGNEE. 

   (a) Borrower herewith agrees that Lender shall have the right from time to
time, at Lender's option and so long as there is $100,000 face value of
Debentures that have not been fully converted or redeemed, to designate a
nominee to the Board of Directors of the Borrower, which designee is subject to
the written approval of Borrower which approval shall not be unreasonably
withheld.  Borrower will, at all times, use its reasonable best efforts to
secure the election of such designee as a Director of the Borrower, provided
that such designee may, at his or her option, elect to serve only as an
"Advisory Director" with all the rights of the Directors in regards to notice
and attendance at meetings of the Board of Directors, or committees thereof,
but without voting rights.  All reasonable costs and expenses incurred by such
Designee as a Director or Advisory Director, or by Lender on behalf of such
Designee, shall be reimbursed by Borrower, consistent  with payment  policies
accorded to other independent directors.

   (b) Further, though Lender may waive, from time to time, its right to
require a Board Designee, in such event it shall be entitled, at its own
expense, to have a representative of the Lender attend meetings of the Board of
Directors of the Borrower or of its Subsidiaries and such representative may
serve as an observer but without voice in matters under discussion except as
requested.

   (c) Any such Designee or representative of the Lender shall, if requested to
do so, absent themselves from the meeting in the event of, and so long as, the
Directors are considering and acting on matters pertaining to any rights or
obligations of the Borrower or the Lender under the Loan Agreement, the
Debenture, or the other Loan Documents.  Borrower will provide Lender's
designated representative with the same notice of Board meetings and
information as the Borrower shall provide to its duly elected Directors.





                                       27
<PAGE>   28




SECTION 10.02. BORROWER'S RIGHT TO REQUEST LENDER TO PROVIDE A DIRECTOR
NOMINEE.

   (a) Lender herewith agrees that, so long as no Default or Event of Default
exists under the Loan Agreement and so long as the Debentures have not been
fully converted or redeemed, Lender will, at the written request of Borrower,
use its reasonable best efforts to provide, from time to time, a person or
persons, reasonably believed knowledgeable in investor relations, such person
or persons to be available to consult with, and serve as advisor to, the
Borrower about its communications with its shareholders and with the general
investment public.  Further, if requested by Borrower, at least one such person
will be available to serve as a nominee to the Board of Directors of the
Borrower provided that such nominee may, at his or her option, elect to serve
only as an "Advisory Director" with all the rights of the Directors in regards
to notice and attendance at meetings of the Board of Directors, or committees
thereof, but without voting rights.  All reasonable costs and expenses incurred
by such person or persons, or by Lender on behalf of such persons, shall be
reimbursed by Borrower, consistent  with payment  policies accorded to other
independent directors.

SECTION 10.03. LIMITATION OF AUTHORITY OF PERSONS DESIGNATED AS A DIRECTOR
NOMINEE.

   (a) It is provided and agreed that the actions and advice of any person
while serving pursuant to Section 10.01 or 10.02 as an advisor to the Borrower
or as a member of Borrower's Board of Directors, or while serving solely as a
representative of Lender in attendance at meetings of the Board of Directors,
shall be construed to be the actions and advice of that person alone and not be
construed as actions of the Lender as to any notice of requirements or rights
of Lender under this Loan Agreement, the Debenture or the other Loan Documents;
nor as actions of the Lender to approve modifications, consents, amendments or
waivers thereof; and all such actions or notices shall be deemed actions or
notices of the Lender only when duly provided in writing and given in
accordance with the provisions of this Loan Agreement.

SECTION 10.04. NONLIABILITY OF LENDER. 

   (a) The provisions of Section 10.01 and 10.02 notwithstanding, the
relationship between Borrower and Lender is, and shall at all times remain,
solely that of borrower and lender, and except for the agreement to use its
best efforts to provide a knowledgeable advisor (whose actions and advice shall
be deemed to be solely advised by such person in an individual capacity and not
advice by Lender), Lender neither undertakes nor assumes any responsibility or
duty to the Borrower to review, inspect, supervise, pass judgment upon, or
inform Borrower of any matter in connection with any phase of Borrower's
business, operations, or condition, financial or otherwise.  Borrower shall
rely entirely upon its own judgment with respect to such matters, and any
review, inspection, supervision, exercise of judgment, or information supplied
to Borrower by any Lender, or any representative or agent of Lender, in
connection with any such matter is for the protection of Lender, and neither
Borrower nor any third party is entitled to rely thereon.


                          ARTICLE XI - MISCELLANEOUS 

SECTION 11.01. STRICT COMPLIANCE. 

   (a) Any waiver by Lender of any breach or any term or condition of this Loan
Agreement or the other Loan Documents shall not be deemed a waiver of any other
breach, nor shall any failure to enforce any provision of this Loan Agreement
or the other Loan Documents operate as a waiver of such provision or of any
other provision, nor constitute nor be deemed a waiver or release of the
Borrower for anything arising out of, connected with or based upon this Loan
Agreement or the other Loan Documents.

SECTION 11.02. WAIVERS AND MODIFICATIONS. 

   (a) All modifications, consents, amendments or waivers (herein "Waivers") of
any provision of this Loan Agreement, the Debentures or any other Loan
Documents, and any consent to departure therefrom, shall be effective only if
the same shall be in writing by Lender and then shall be effective only in the
specific instance and for the purpose for which given.  No notice or demand
given in any case shall constitute a waiver of the right to take other action
in the same, similar or other instances without such notice or demand.  No
failure to exercise, and no delay in exercising, on the part of Lender, any
right hereunder shall operate as a waiver thereof, nor shall any single or
partial exercise thereof preclude any other or further exercise





                                       28
<PAGE>   29



thereof or the exercise of any other right.  The rights of Lender hereunder and
under the other Loan Documents shall be in addition to all other rights
provided by law.

SECTION 11.03. NOTICES. 

   (a) Any notices or other communications required or permitted to be given by
this Loan Agreement or any other documents and instruments referred to herein
must be (i) given in writing and personally delivered, mailed by prepaid
certified, registered mail or sent by overnight service such as Federal
Express, or (ii) made by telex or facsimile transmission delivered or
transmitted to the party to whom such notice or communication is directed, with
confirmation thereupon given in writing and personally delivered or mailed by
prepaid certified or registered mail.

   (b) Any notice to be mailed, sent or personally delivered shall be mailed or
delivered to the principal offices of the party to whom such notice is
addressed, as that address is specified herein on the signature page hereof.
Any such notice or other communication shall be deemed to have been given
(whether actually received or not) on the day it is mailed, postage prepaid, or
sent by overnight service or personally delivered or, if transmitted by telex
or facsimile transmission, on the day that such notice is transmitted;
provided, however, that any notice by telex or facsimile transmission, received
by any Borrower or Lender after 4:00 p.m., Standard Time at the recipient's
address, on any day, shall be deemed to have been given on the next succeeding
day.  Any party may change its address for purposes of this Loan Agreement by
giving notice of such change to the other parties pursuant to this Section.

SECTION 11.04. CHOICE OF FORUM; CONSENT TO SERVICE OF PROCESS AND JURISDICTION.

   (a) Any suit, action or proceeding against the Borrower with respect to this
Loan Agreement, the Debentures or any judgment entered by any court in respect
thereof, may be brought in the courts of the State of Texas, County of Dallas,
or in the United States courts located in the State of Texas as Lender in its
sole discretion may elect and Borrower hereby submits to the non-exclusive
jurisdiction of such courts for the purpose of any such suit, action or
proceeding.  Borrower hereby agrees that service of all writs, process and
summonses in any such suit, action or proceeding brought in the State of Texas
may be brought upon, and Borrower hereby irrevocably appoints, the CT
Corporation, Dallas, Texas, as its true and lawful attorney-in-fact in the
name, place and stead of Borrower to accept such service of any and all such
writs, process and summonses.  Borrower hereby irrevocably waives any
objections which it may now or hereafter have to the laying of venue of any
suit, action or proceeding arising out of or relating to this Loan Agreement or
any Debenture brought in the courts located in the State of Texas, County of
Dallas, and hereby further irrevocably waives any claim that any such suit,
action or proceeding brought in any such court has been brought in any
inconvenient forum.

SECTION 11.05. ARBITRATION 

   (a)   Upon the demand of the Lender or Borrower (collectively the
"parties"), made before the institution of any judicial proceeding or not more
than 60 days after service of a complaint, third party complaint, cross-claim
or counterclaim or any answer thereto or any amendment to any of the above, any
Dispute (as defined below) shall be resolved by binding arbitration in
accordance with the terms of this arbitration clause.  A "Dispute" shall
include any action, dispute, claim, or controversy of any kind, whether founded
in contract, tort, statutory or common law, equity, or otherwise, now existing
or hereafter occurring between the parties arising out of, pertaining to or in
connection with this Agreement, any document evidencing, creating, governing,
or securing any indebtedness guaranteed pursuant to the terms hereof, or any
related agreements, documents, or instruments (the "Documents").  The parties
understand that by this Agreement they have decided that the Disputes may be
submitted to arbitration rather that being decided through litigation in court
before a judge or jury and that once decided by an arbitrator the claims
involved cannot later be brought, filed, or pursued in court.

   (b)   Governing Rules.  Arbitrations conducted pursuant to this Agreement,
including selection of arbitrators, shall be administered by the American
Arbitration Association ("Administrator") pursuant to the Commercial
Arbitration rules of the Administrator.  Arbitrations conducted pursuant to the
terms hereof shall





                                       29
<PAGE>   30



be governed by the provisions of the Federal Arbitration Act (Title 9 of the
United States Code), and to the extent the foregoing are inapplicable,
unenforceable or invalid, the laws of the State of Texas.  Judgment upon any
award rendered hereunder may be entered in any court having jurisdiction;
provided, however, that nothing contained herein shall be deemed to be a waiver
by any party that is a bank of the protections afforded to it under 12 U.S.C.
91 or similar governing state law.  Any party who fails to submit to binding
arbitration following a lawful demand by the opposing party shall bear all
costs and expenses, including reasonable attorney's fees, incurred by the
opposing party in compelling arbitration of any Dispute.

   (c)   No Waiver, Preservation of Remedies, Multiple Parties.  No provision
of, nor the exercise of any rights under, this arbitration clause shall limit
the right of any party to (1) foreclose against any real or personal property
collateral or other security, (2) exercise self-help remedies (including
repossession and setoff rights) or (3) obtain provisional or ancillary remedies
such as injunctive relief, sequestration, attachment, replevin, garnishment, or
the appointment of a receiver from a court having jurisdiction.  Such rights
can be exercised at any time except to the extent such action is contrary to a
final award or decision in any arbitration proceeding.  The institution and
maintenance of an action as described above shall not constitute a waiver of
the right of any party, including the plaintiff, to submit the Dispute to
arbitration , nor render inapplicable the compulsory arbitration provisions
hereof.  Any claim or Dispute related to exercise of any self-help, auxiliary
or other exercise of rights under this section (C) shall be a Dispute
hereunder.

   (d)   Arbitrator Powers and Qualifications; Awards.  Arbitrator(s) shall
resolve all Disputes in accordance with the applicable substantive law of the
State of Texas.  Arbitrator(s) may make an award of attorneys' fees and
expenses if permitted by law or the agreement of the parties.  All statutes of
limitation applicable to any Dispute shall apply to any proceeding in
accordance with this arbitration clause.  Any arbitrator selected to act as the
only arbitrator in a Dispute shall be required to be a practicing attorney with
not less than 5 years practice in commercial law in the State of Texas.  With
respect to a Dispute in which the claims or amounts in controversy do not
exceed five hundred thousand dollars ($500,000), a single arbitrator shall be
chosen and shall resolve the Dispute.  In such case the arbitrator shall have
authority to render an award up to but not to exceed five hundred thousand
dollars ($500,000) including all damages of any kind whatsoever, costs, fees
and expenses.  Submission to a single arbitrator shall be a waiver of all
parties' claims to recover more than five hundred thousand dollars ($500,000).
A Dispute involving claims or amounts in controversy exceeding five hundred
thousand dollars ($500,000) shall be decided by a majority vote of a panel of
three arbitrators ("Arbitration Panel"), one of whom would be qualified to sit
as a single arbitrator in a Dispute decided by one arbitrator.  If the
arbitration is consolidated with one conducted pursuant to the terms of an
agreement between the Lender and the Borrower related to the indebtedness
guaranteed, then the Arbitration Panel shall be one which meets the criteria
set forth between the Lender and Borrower.  Arbitrator(s) may, in the exercise
of their discretion, at the written request of a party, (1) consolidate in a
single proceeding any multiple party claims that are substantially identical
and all claims arising out of a single loan or series of loans including claims
by or against borrower(s), guarantors, sureties and/or owners of collateral if
different from the Borrower, and (2) administer multiple arbitration claims as
class actions in accordance with Rule 23 of the Federal Rules of Civil
Procedure.  The arbitrator(s) shall be empowered to resolve any dispute
regarding the terms of this Agreement or the arbitrability of any Dispute or
any claim that all or any part (including this provision) is void or voidable
but shall have no power to change or alter the terms of this Agreement.  The
award of the arbitrator(s) shall be in writing and shall specify the factual
and legal basis for the award.

   (e)   Miscellaneous.  To the maximum extent practicable, the Administrator,
the arbitrator(s) and the parties shall take any action necessary to require
that an arbitration proceeding hereunder be concluded within 180 days of the
filing of the Dispute with the Administrator.  The arbitrator(s) shall be
empowered to impose sanctions for any party's failure to proceed within the
times established herein.  Arbitration proceedings hereunder shall be conducted
in Texas at a location determined by the Administrator.  In any such proceeding
a party shall state as a counterclaim any claim which arises out of the
transaction or occurrence or is in any way related to the Documents which does
not require the presence of a third party





                                       30
<PAGE>   31



which could not be joined as a party in the proceeding,  The provisions of this
arbitration clause shall survive any termination, amendment, or expiration of
the Documents and repayment in full of sums owed to Lender by Borrower unless
the parties otherwise expressly agree in writing.  Each party agrees to keep
all Disputes and arbitration proceedings strictly confidential, except for
disclosures of information required in the ordinary course of business of the
parties or as required by applicable law or regulation.

SECTION 11.06. INVALID PROVISIONS. 

   (a) If any provision of any Loan Document is held to be illegal, invalid or
unenforceable under present or future laws during the term of this Loan
Agreement, such provision shall be fully severable; such Loan Document shall be
construed and enforced as if such illegal, invalid or unenforceable provision
had never comprised a part of such Loan Document; and the remaining provisions
of such Loan Document shall remain in full force and effect and shall not be
affected by the illegal, invalid or unenforceable provision or by its severance
from such Loan Document.  Furthermore, in lieu of each such illegal, invalid or
unenforceable provision shall be added as part of such Loan Document a
provision mutually agreeable to Borrower and Lender as similar in terms to such
illegal, invalid or unenforceable provision as may be possible and be legal,
valid and enforceable.  In the event Borrower and Lender are unable to agree
upon a provision to be added to the Loan Document within a period of ten (10)
business days after a provision of the Loan Document is held to be illegal,
invalid or unenforceable, then a provision acceptable to independent
arbitrators, such to be selected in accordance with the provisions of the
American Arbitration Association, as similar in terms to the illegal, invalid
or unenforceable provision as is possible and be legal, valid and enforceable
shall be added automatically to such Loan Document.  In either case, the
effective date of the added provision shall be the date upon which the prior
provision was held to be illegal, invalid or unenforceable.

SECTION 11.07. MAXIMUM INTEREST RATE. 

   (a) Regardless of any provision contained in any of the Loan Documents,
Lender shall never be entitled to receive, collect or apply as interest on the
Debentures any amount in excess of interest calculated at the Maximum Rate,
and, in the event that any Lender ever receives, collects or applies as
interest any such excess, the amount which would be excessive interest shall be
deemed to be a partial prepayment of principal and treated hereunder as such;
and, if the principal amount of the Obligation is paid in full, any remaining
excess shall forthwith be paid to Borrower.  In determining whether or not the
interest paid or payable under any specific contingency exceeds interest
calculated at the Maximum Rate, Borrower and Lender shall, to the maximum
extent permitted under applicable law, (i) characterize any non-principal
payment as an expense, fee or premium rather than as interest; (ii) exclude
voluntary prepayments and the effects thereof, and (iii) amortize, pro rate,
allocate and spread, in equal parts, the total amount of interest throughout
the entire contemplated term of the Debentures; provided that, if the
Debentures are paid and performed in full prior to the end of the full
contemplated term thereof, and if the interest received for the actual period
of existence thereof exceeds interest calculated at the Maximum Rate, Lender
shall refund to Borrower the amount of such excess or credit the amount of such
excess against the principal amount of the Debentures and, in such event,
Lender shall not be subject to any penalties provided by any laws for
contracting for, charging, taking, reserving or receiving interest in excess of
interest calculated at the Maximum Rate.

   (b) "Maximum Rate" shall mean, on any day, the highest nonusurious rate of
interest (if any) permitted by applicable law on such day that at any time, or
from time to time, may be contracted for, taken, reserved, charged or received
on the Indebtedness evidenced by the Debentures under the laws which are
presently in effect of the United States of America and the State of Texas or
by the laws of any other jurisdiction which are or may be applicable to the
holders of the Debentures and such Indebtedness or, to the extent permitted by
law, under such applicable laws of the United States of America and the State
of Texas or by the laws of any other jurisdiction which are or may be
applicable to the holder of the Debentures and which may hereafter be in effect
and which allow a higher maximum nonusurious interest rate than applicable laws
now allow.





                                       31
<PAGE>   32




SECTION 11.08. PARTICIPATIONS AND ASSIGNMENTS OF THE DEBENTURES. 

   (a) The Lender shall have the right to enter into a participation agreement
with any other Lender with respect to the Debentures, or to sell all or any
part of the Debentures, but such participation or sales shall not affect the
rights and duties of such Lender hereunder vis-a-vis Borrower.  In the event
that all or any portion of this Loan shall be, at any time, assigned,
transferred or conveyed to other parties, any action, consent or waiver (except
for compromise or extension of maturity), to be given or taken by Lender
hereunder (herein "Action"), shall be such action as taken by the holders of a
majority in amount of the Principal Amount of the Debentures then outstanding,
as such holders are recorded on the books of the Borrower and represented by
Lender's Agent as described in subsection (b) below.

   (b) Assignment or sale shall be effective, on the books of the Borrower,
only upon (i) endorsement of the Debenture, or part thereof, to the proposed
new holder, along with a current notation of the amount of payments or
installments received and net Principal Amount yet unfunded or unpaid, and
presentment of such Debenture to the Borrower for issue of a replacement
Debenture, or Debentures, in the name of the new holder; (ii) a designation by
the holders of a single Lender's Agent for Notice, such agent to be the sole
party to whom Borrower shall be required to provide notice when notice to
Lender is required hereunder and who shall be the sole party authorized to
represent Lender in regard to modification or waivers under the Debenture, the
Loan Agreement, or other Loan Documents; and (iii) delivery of an opinion of
counsel, satisfactory to Borrower, that transfer shall not require registration
or qualification under applicable state or federal securities laws.

   (c) So long as the Borrower is not in default hereunder, the Lender shall
not sell or assign an interest in the Debentures or rights under the Loan
Agreement to any person or company that the Borrower reasonably identifies to
Lender as being engaged as a direct competitor.

SECTION 11.09 CONFIDENTIALITY.

   (a) All financial reports or information which are furnished to Lender, or
its director designee or other representatives, pursuant to this Loan Agreement
or pursuant to the Debentures or other Loan Documents shall be treated as
confidential unless and to the extent that such information has been otherwise
disclosed by the Borrower, but nothing herein contained shall limit or impair
Lender's right to disclose such reports to any appropriate Governmental
Authority, or to use such information to the extent pertinent to an evaluation
of the Obligation, or to enforce compliance with the terms and conditions of
this Loan Agreement, or to take any lawful action which Lender deems necessary
to protect its interests under this Loan Agreement.

   Lender, its director designees,  and agents shall use their reasonable best
efforts to protect and preserve the confidentiality of such information except
for such disclosure as shall be required for compliance by Lender or its
director designees with SEC reporting requirements or otherwise as a matter of
law.  The provisions of Section 5.01(a)(1) and (6) notwithstanding, Borrower
may refuse to provide information as required pursuant thereto to an assignee
or successor in interest to the Lender unless and until such assignee or
successor shall have executed an agreement to maintain the confidentiality of
the information as provided herein.

SECTION 11.10. BINDING EFFECT. 

   (a) The Loan Documents shall be binding upon and inure to the benefit of
Borrower and Lender and their respective successors, assigns and legal
representatives; provided, however, that Borrower may not, without the prior
written consent of Lender, assign any rights, powers, duties or obligations
thereunder.

SECTION 11.11. NO THIRD PARTY BENEFICIARY.

   (a) The parties do not intend the benefits of this Loan Agreement to inure
to any third party, nor shall this Loan Agreement be construed to make or
render Lender liable to any materialman, supplier, contractor, subcontractor,
purchaser or lessee of any property owned by Borrower, or for debts or claims
accruing to any such persons against Borrower.  Notwithstanding anything
contained herein or in the Debentures, or in any other Loan Document, no
conduct by any or all of the parties hereto, before or after signing this Loan





                                       32
<PAGE>   33



Agreement nor any other Loan Document, shall be construed as creating any
right, claim or cause of action against Lender, or any of its officers,
directors, agents or employees, in favor of any materialman, supplier,
contractor, subcontractor, purchaser or lessee of any property owned by
Borrower, nor to any other person or entity other than Borrower.

SECTION 11.12. ENTIRETY. 

   (a) This Loan Agreement and the Debentures and the other Loan Documents
issued pursuant thereto contain the entire agreement between the parties and
supersede all prior agreements and understandings, if any, relating to the
subject matter hereof and thereof.

SECTION 11.13. HEADINGS. 

   (a) Section headings are for convenience of reference only and, except as a
means of identification of reference, shall in no way affect the interpretation
of this Loan Agreement.

SECTION 11.14. SURVIVAL. 

   (a) All representations and warranties made by Borrower herein shall survive
delivery of the Debentures and the making of the Loans.

SECTION 11.15. MULTIPLE COUNTERPARTS. 

   (a) This Loan Agreement may be executed in any number of counterparts, all
of which taken together shall constitute one and the same agreement, and any of
the parties hereto may execute this Loan Agreement by signing any such
counterpart.

SECTION 11.16. GOVERNING LAW. 

    (a)  THIS LOAN AGREEMENT HAS BEEN PREPARED, IS BEING EXECUTED AND
         DELIVERED, AND IS INTENDED TO BE PERFORMED IN THE STATE OF TEXAS, AND
         THE SUBSTANTIVE LAWS OF SUCH STATE AND THE APPLICABLE FEDERAL LAWS OF
         THE UNITED STATES OF AMERICA SHALL GOVERN THE VALIDITY, CONSTRUCTION,
         ENFORCEMENT AND INTERPRETATION OF THIS LOAN AGREEMENT AND ALL OF THE
         OTHER LOAN DOCUMENTS.

SECTION 11.17 REFERENCE TO BORROWER.

    (a)  The term Borrower shall mean Topro, Inc. and/or Advanced Control
         Technology, Inc., Management Design and Consulting Services, Inc. and
         Topro Systems Integration, Inc. where the context of the agreement
         makes such other reference appropriate.



   IN WITNESS WHEREOF, the undersigned have executed this Loan Agreement as of
the day and year first above written.

                                               CO-BORROWER

                                               Topro, Inc.
Address for Notice:
- ------- --- -------
2525 West Evans Avenue
Denver, CO 80219                               By:
                                                  -----------------------------
                                               Title:  President


                                               Attest  by:
                                                          ---------------------
                                               Title:  Assistant Secretary





                                       33
<PAGE>   34



                                               CO-BORROWER


Address for Notice:                            Advanced Control Technology, Inc.
- ------- --- -------                                             
2525 West Evans Avenue
Denver, CO 80219
                                               By:
                                                   ---------------------------
                                               Title:  President and CEO



                                               Attest  by: 
                                                          --------------------
                                               Title:   Secretary



                                               CO-BORROWER


Address for Notice:                            Management Design and Consulting
- ------- --- -------                                                            
2525 West Evans Avenue                         Services, Inc.
Denver, CO 80219
                                                                       
                                               By:         
                                                  -----------------------------
                                               Title:  Executive Vice President
              
                                                                               
                                               Attest  by:   
                                                          ---------------------
                                               Title:   Secretary              
              
                                                                           
                                                                          
                                                                        
                                                                       
                                                                 
                                               CO-BORROWER               

Address for Notice:                                                        
- ------- --- -------                            Topro Systems Integration, Inc. 
525 West Evans Avenue                                                     
Denver, CO 80219                                                           
                                                                      
                                               By:        
                                                  ------------------------------
                                               Title:  President and CEO        
             
             
                                               Attest  by: 
                                                          ---------------------
                                               Title:  Assistant Secretary




                                       34
<PAGE>   35



                                               CO-BORROWER


Address for Notice:                            Visioneering Holding Corporation
- ------ --- -------                                                    

                                               By:                             
                                                  -----------------------------
                                               Title:  President


                                               Attest: 
                                                      -------------------------
                                               Title:  Assistant Secretary




                                               LENDER
Address for Notice:
- ------- --- -------
8080 North Central Expressway,                 Renaissance U.S. Growth & Income
Fund Trust PLC.
Suite 210/LB59
Dallas, Texas 75206                            By:
214 891 8294                                      -----------------------------
Fax: (214) 891-8200                            Title:  Vice President
                                               

                                               Attest

                                               by:
                                                  -----------------------------
                                               Title:





                                       35
<PAGE>   36




THE STATE OF TEXAS                Section

COUNTY OF DALLAS                  Section

         This instrument was acknowledged before me on ___________, 199____, by
_________________________, ________________of__________________, a ____________
___________.corporation.


                                           Notary Public, State of
                                                                  -------------
                                           My Commission Expires:
                                                                 --------------

                                           Printed Name of Notary
                                                                 --------------

THE STATE OF TEXAS                Section

COUNTY OF DALLAS                  Section

         This instrument was acknowledged before me on ___________, 199____, by
_________________________, ________________of__________________, a ____________
___________ corporation.


                                           Notary Public, State of
                                                                  -------------
                                           My Commission Expires:
                                                                 --------------

                                           Printed Name of Notary
                                                                 --------------

THE STATE OF TEXAS                Section

COUNTY OF DALLAS                  Section

         This instrument was acknowledged before me on ___________, 199____, by
_________________________, ________________of__________________, a ____________
___________.corporation.


                                           Notary Public, State of
                                                                  -------------
                                           My Commission Expires:
                                                                 --------------

                                           Printed Name of Notary
                                                                  -------------



                                       36
<PAGE>   37




THE STATE OF TEXAS                Section

COUNTY OF DALLAS                  Section

         This instrument was acknowledged before me on ___________, 199____, by
_________________________, ________________of __________________, a ___________
____________.corporation.


                                           Notary Public, State of
                                                                  -------------
                                           My Commission Expires:
                                                                 --------------

                                           Printed Name of Notary
                                                                  -------------

THE STATE OF TEXAS                Section

COUNTY OF DALLAS                  Section

         This instrument was acknowledged before me on ___________, 199____, by
_________________________, ________________of __________________, a ___________
____________.corporation.



                                           Notary Public, State of
                                                                  -------------
                                           My Commission Expires:
                                                                 --------------

                                           Printed Name of Notary
                                                                 --------------




                                       37
<PAGE>   38



The Securities represented by this Debenture have not been registered under the
Securities Act of 1933, as amended ( Act ), or applicable state securities laws
( State Acts ) and shall not be sold, hypothecated, donated or otherwise
transferred unless the Company shall have received an opinion of Legal Counsel
for the Company, or such other evidence as may be satisfactory to Legal Counsel
for the Company, to the effect that any such transfer shall not require
registration under the Act and the State Acts.

                                  TOPRO, INC.



                             AND ITS SUBSIDIARIES:

                       Advanced Control Technology, Inc.
                Management Design and Consulting Services, Inc.
                        Topro Systems Integration, Inc.
                        Visioneering Holding Corporation



                          9.00% CONVERTIBLE DEBENTURE

                               $1,200,000.00No: 1

                        Date of Issue: October 30, 1996


         TOPRO, INC. (a Colorado corporation) and its wholly owned subsidiaries
Advanced Control Technology, Inc. (an Oregon corporation), Management Design
and Consulting Services, Inc. (a Georgia corporation), Visioneering Holding
Corporation (a California corporation) and Topro Systems Integration, Inc. (a
Colorado corporation) (collectively hereinafter referred to as the "Company" or
"Borrower") is indebted and, for value received, herewith promises to pay to:


                         River Oaks Trust Company, FBO
                  RENAISSANCE U.S. GROWTH & INCOME TRUST, PLC


or to its order, (together with any assignee, jointly or severally, the
"Holder" or "Lender") on or before November 1, 2003 (the "Due Date") (unless
this Debenture shall have been sooner called for redemption or presented for
conversion as herein provided), the sum of One Million Two Hundred Thousand
Dollars ($1,200,000) (the "Principal Amount") and to pay interest on the
Principal Amount at the rate of Nine percent (9.00%) per annum as provided
herein.  In furtherance thereof, and in consideration of the premises, the
Borrower covenants, promises and agrees as follows:

 1.  INTEREST:  Interest on the Principal Amount outstanding from time to time
shall accrue at the rate of 9.00% per annum and be payable in monthly
installments commencing November 1, 1996, and subsequent payments shall be made
on the first day of each month thereafter until the Principal Amount and all
accrued and unpaid interest shall have been paid in full.  Overdue principal
and interest on the Debenture shall, to the extent permitted by applicable law,
bear interest at the rate of 9.00% per annum.  All payments of both principal
and interest shall be made at the address of the Holder hereof as it appears in
the books and records of the Borrower, or at such other place as may be
designated by the Holder hereof.

 2.  MATURITY:  If not sooner redeemed or converted, this Debenture shall
mature on November 1, 2003 at which time all then remaining unpaid principal,
interest and any other charges then due under the Loan Agreement shall be due
and payable in full.

 3.  MANDATORY PRINCIPAL INSTALLMENTS:  If this Debenture is not sooner
redeemed or converted, Borrower shall pay to Holder, commencing on November 1,
1999, and the first day of each successive month thereafter prior to maturity,
mandatory principal redemption installments, each of such installments to be in
the amount of Ten Dollars ($10) per Thousand Dollars ($1,000) of the then
remaining principal amount of the Debenture and further, at maturity, shall
make





<PAGE>   39



a final installment of all of the remaining unpaid Principal Amount balance due
plus the amount of any unpaid interest and other charges then due.  Each of
such installments shall be applied in partial redemption of the Debenture when
received by Holder.

 4.  CHANGE OF CONTROL: The Debenture shall, if (i) the Company's stock is not
listed for exchange on the Nasdaq National Market, the New York Stock Exchange,
American Stock Exchange or quoted on the Nasdaq Small Cap System, or (ii) there
is a change of control with respect to the majority of the Company's voting
stock, be redeemed at 111% of par prior to November 1, 1997, thereafter at 123%
of par until November 1, 1998, thereafter at 137% of par until November 1,
1999, thereafter at 152% of par until November 1, 2000, and thereafter at 167%
of par.  If the Nasdaq changes its maintenance requirement the Company shall be
given a reasonable amount of time to meet the new requirements.

 5.  REDEMPTION: (a) On any interest payment date after November 1, 1996, and
after prior irrevocable notice as provided for below, the outstanding principal
amount of this Debenture is redeemable, in whole and but not in part, at 120%
of par if the following conditions are satisfied: (i) The closing bid price for
the Borrower's Common Stock averages at least $5.00 per share for the 20
consecutive trading days prior to the irrevocable notice and the Borrower's
Common Stock is listed on NASDAQ, AMEX or NYSE; (ii) the $5.00 bid price is
supported by the Borrower's minimum of $0.25 in net earnings per share in the
aggregate for the last four consecutive fiscal quarters preceding the date of
irrevocable notice excluding any extraordinary gains of the Borrower; and (iii)
the Company will have already begun, and will continue to use its absolute best
efforts to register the shares of Common Stock issuable upon conversion of the
Debentures and shall complete such registration no later than 90 days after the
Conversion Date.  The foregoing earnings per share and bid price tests shall be
duly adjusted for share splits, stock dividends, mergers, consolidations, and
other recapitalizations.

 (b) The Borrower may exercise this right to redeem prior to maturity by giving
notice (the "Redemption Notice") thereof to the holder of this Debenture as
such name appears on the books of the Borrower, which notice shall specify the
terms of redemption (including the place at which the holder may obtain
payment), the total principal amount to be redeemed (such principal amount plus
the premium thereon herein called the "Redemption Amount") and the date for
redemption (the "Redemption Date"), which date shall not be less than 90 days
nor more than 120 days after the date of the notice.  On the Redemption Date,
the Borrower shall pay all accrued unpaid interest on the Debenture up to and
including the Redemption Date, and shall pay to the holder a dollar amount
equal to the Redemption Amount. In the case of Debentures called for
redemption, the conversion rights will expire at the close of business on the
Redemption Date.

 6.  CONVERSION RIGHT:  The holder of this Debenture shall have the right, at
holder's option, at any time, to convert all, or, in multiples of $100,000, any
part of this Debenture into such number of fully paid and nonassessable shares
of common stock, $0.0001 par value, of Topro, Inc. (the "Common Stock") as
shall be provided herein.  The holder of this Debenture may exercise the
conversion right by giving written notice (the "Conversion Notice") to Topro,
Inc. of the exercise of such right and stating the name or names in which the
stock certificate or stock certificates for the shares of Common Stock are to
be issued and the address to which such certificates shall be delivered.  The
Conversion Notice shall be accompanied by the Debenture.  The number of shares
of Common Stock that shall be issuable upon conversion of the Debenture shall
equal the face amount of the Debenture divided by the Conversion Price as
defined below and in effect on the date the Conversion Notice is given;
provided, however, that in the event that this Debenture shall have been
partially redeemed, shares of Common Stock shall be issued pro rata, rounded to
the nearest whole share.  Conversion shall be deemed to have been effected on
the date the Conversion Notice is received (the "Conversion Date").  Within 20
business days after receipt of the Conversion Notice, Borrower shall issue and
deliver by hand against a signed receipt therefor or by United States
registered mail, return receipt requested, to the address designated in the
Conversion Notice, a stock certificate or stock certificates of Borrower
representing the number of shares of Common Stock to which Holder is entitled
and a check or cash in payment of all interest accrued and unpaid on the
Debenture up to and including the Conversion Date. The conversion rights will
be governed by the following provisions:

 (a) Conversion Price: On the issue date hereof and until such time as an
adjustment shall occur, the Conversion price shall be $1.50 PER SHARE;
provided, however, that the Conversion Price shall be subject to adjustment at
the times, and in accordance with the provisions, as follows:

 (i) Adjustment for Issuance of Shares at less than the Conversion Price:  If
and whenever any Additional Common Stock shares shall be issued by Topro, Inc.
(the "Stock Issue Date") for a consideration per share less than the Conversion
Price, then in each such case the initial Conversion Price shall be reduced to
a new Conversion Price in an



                                      2

<PAGE>   40



amount equal to the consideration per share received by the Topro, Inc. for the
additional shares of Common Stock then issued and the number of shares issuable
to Holder upon conversion shall be proportionately increased; and, in the case
of shares issued without consideration, the initial Conversion Price shall be
reduced in amount and the number of shares issued upon conversion shall be
increased in an amount so as to maintain for the Holder the right to convert
the Debenture into shares equal in amount to the same percentage interest in
the Common Stock of Topro, Inc. as existed for the Holder immediately preceding
the Stock Issue Date.  The provisions of this Section 6 shall not apply to
issuances of the first 40,000 shares of Additional Common Stock that are sold
or granted for less than the Conversion Price.  The above adjustment provision
shall be subject to Topro, Inc.'s  right to redeem the Debenture at 120% of
par, or a higher price if by effect of this Debenture a higher price is then
applicable, within 20 days after the Borrower's issuance of additional shares
at less than the Conversion Price; however, the Topro, Inc. right to redeem is
subject to the holder's right to waive said adjustment and refuse redemption.
Notice provisions for redemption found in Section 5(c) above shall apply to the
redemption right granted above.

 (ii) Sale of Shares:  In case of the issuance of Additional Common Stock for a
consideration part or all of which shall be cash, the amount of the cash
consideration therefor shall be deemed to be the amount of the cash received by
Borrower for such shares, after any compensation or discount in the sale,
underwriting or purchase thereof by underwriters or dealers or others
performing similar services or for any expenses incurred in connection
therewith.  In case of the issuance of any shares of Additional Common Stock
for a consideration part or all of which shall be other than cash, the amount
of the consideration therefor, other than cash, shall be deemed to be the then
fair market value of the property received.

 (iii) Reclassification of Shares: In case of the reclassification of
securities into shares of Common Stock, the shares of Common Stock issued in
such reclassification shall be deemed to have been issued for a consideration
other than cash.  Shares of Additional Common Stock issued by way of dividend
or other distribution on any class of stock of Borrower shall be deemed to have
been issued without consideration.

 (iv) Split up or Combination of Shares: In case issued and outstanding shares
of Common Stock shall be subdivided or split up into a greater number of shares
of the Common Stock, the Conversion Price shall be proportionately decreased,
and in case issued and outstanding shares of Common Stock shall be combined
into a smaller number of shares of Common Stock, the Conversion Price shall be
proportionately increased, such increase or decrease, as the case may be,
becoming effective at the time of record of the split-up or combination, as the
case may be.

 (v) Exceptions: The term "Additional Common Stock" herein shall mean all
shares of Common Stock hereafter issued by Topro, Inc. (including Common Stock
held in the treasury of Borrower), except (1) Common Stock issued upon the
conversion of any of the Debentures; (2) Common Stock issued upon exercise of
any warrants or stock purchase options issued and outstanding as of the date of
this Debenture; and (3) Common Stock issued pursuant to exercise of authorized
or outstanding options under any currently existing incentive stock option plan
for the officers, directors, and certain other key personnel as defined in said
stock option plans of Borrower as currently established.

 (b) Adjustment for Mergers, Consolidations, Etc.:

 (i) In the event of distribution to all Common Stock holders of any stock,
indebtedness of Borrower or assets (excluding cash dividends or distributions
from retained earnings) or other rights to purchase securities or assets, then,
after such event, the Debentures will be convertible into the kind and amount
of securities, cash and other property which the holder of the Debentures would
have been entitled to receive if the holder owned the Common Stock issuable
upon conversion of the Debentures immediately prior to the occurrence of such
event.

 (ii) In case of any capital reorganization, reclassification of the stock of
Topro, Inc. (other than a change in par value or as a result of a stock
dividend, subdivision, split up or combination of shares), this Debenture shall
be convertible into the kind and number of shares of stock or other securities
or property of Topro, Inc. to which the holder of the Debenture would have been
entitled to receive if the holder owned the Common Stock issuable upon
conversion of the Debenture immediately prior to the occurrence of such event.
The provisions of these foregoing sentence shall similarly apply to successive
reorganizations, reclassifications, consolidations, exchanges, leases,
transfers or other dispositions or other share exchanges.

 (iii) The term "Fair Market Value", as used herein, is the value ascribed to
consideration other than cash as determined by the Board of Directors of Topro,
Inc. in good faith, which determination shall be final, conclusive and binding.
If the Board of Directors shall be unable to agree as to such fair market
value, then the issue of fair market value shall be submitted to arbitration
under and pursuant to the rules and regulations of the American Arbitration
Association, and the decision of the arbitrators shall be final, conclusive and
binding, and a final judgment may be entered thereon,



                                      3

<PAGE>   41
provided however that such arbitration shall be limited to determination of the
fair market value of assets tendered in consideration for the issue of Common
Stock.

 (iv) Notice of Adjustment. (A) In the event Topro, Inc. shall propose to take
any action which shall result in an adjustment in the Conversion Price, Topro,
Inc. shall give notice to the holder of this Debenture, which notice shall
specify the record date, if any, with respect to such action and the date on
which such action is to take place.  Such notice shall be given on or before
the earlier of 10 days before the record date or the date which such action
shall be taken.  Such notice shall also set forth all facts (to the extent
known) material to the effect of such action on the Conversion Price and the
number, kind or class of shares or other securities or property which shall be
deliverable or purchasable upon the occurrence of such action or deliverable
upon conversion of this Debenture. (B) Following completion of an event wherein
the Conversion Price shall be adjusted, Topro, Inc.  shall furnish to the
holder of this Debenture a statement, signed by the Chief Executive Officer of
Packaging Research Corporation, of the facts creating such adjustment and
specifying the resultant adjusted Conversion Price then in effect.

 7.  ONE TIME ADJUSTMENT TO CONVERSION PRICE.  The Conversion Price shall be
adjusted to the lower of (i) seventy-five percent (75%) of the average closing
bid price of the Common Stock for the 20 consecutive trading days following the
filing with the SEC of the Company's 10Q ("Adjustment Average") if the
Adjustment Average is less than $1.50 per share for the period ending December
31, 1996 or (ii) seventy-five percent (75%) of the average closing bid price of
the Common Stock for the 20 consecutive trading days following the filing with
the SEC of the Company's 10Q ("Adjustment Average") if the Adjustment Average
is less than $1.50 per share for the period ending December 31, 1997.  If an
adjustment is required pursuant to Section 6, then the Borrower shall furnish
to the holder of this Debenture a statement, signed by the Chief Executive
Officer of Borrower, of the facts creating such adjustment and specifying the
resultant adjusted Conversion Price then in effect.  The above mentioned
adjustment shall only be utilized to adjust the Conversion Price to a price
less than the then existing Conversion Price.

 8.  RESERVATION OF SHARES:  Borrower warrants and agrees that it shall at all
times reserve and keep available, free from preemptive rights, sufficient
authorized and unissued shares of Common Stock to effect conversion of this
Debenture.

 9.  REGISTRATION RIGHTS:  Shares issued upon conversion of this Debenture
shall be restricted from transfer by the holder except if and unless the shares
are duly registered for sale pursuant to the Securities Act of 1933, as
amended, or the transfer is duly exempt from registration.

 The Holder has certain rights with respect to the registration of shares of
Common Stock issued upon the conversion of this Debenture pursuant to the terms
of the Loan Agreement.  Borrower agrees that a copy of the Loan Agreement with
all amendments, additions or substitutions therefor shall be available to the
Holder at the offices of Borrower.

 10. TAXES: The Borrower shall pay any documentary or other transactional
taxes attributable to the issuance or delivery of this Debenture or the shares
of Common Stock issued upon conversion by the Holder (excluding any federal,
state or local income taxes and any franchise taxes or taxes imposed upon the
Holder by the jurisdiction, or any political subdivision thereof, under which
such Holder is organized or is qualified to do business.)

 11. DEFAULT:

 (a) Event of Default: An "Event of Default" shall exist if any one or more of
the following events (herein collectively called "Events of Default") shall
occur and be continuing:

 (i) Borrower shall fail to pay (or shall state in writing an intention not to
pay or its inability to pay), not later than 10 days after the due date, any
installment of interest on or principal of, any Debenture or any fee, expense
or other payment required hereunder;

 (ii) Any representation or warranty made under the Loan Agreement, or any of
the other Loan Documents, or in any certificate or statement furnished or made
to Lender pursuant hereto or in connection herewith or with the Loans
hereunder, shall prove to be untrue or inaccurate in any material respect as of
the date on which such representation or warranty is made;

 (iii) Default in the performance of any of the covenants or agreements of
Borrower or its Subsidiaries, if any, contained under the Loan Agreement,
Security Agreement, Pledge Agreement, or in any of the other Loan Documents,
which default is not remedied within thirty (30) days after written notice
thereof to Borrower from Lender, provided that such 30 day grace period shall
not apply to default of any payment requirement or notice covenant made by
Borrower;

 (iv) Default shall occur in the payment of any material Indebtedness of the
Borrower or its Subsidiaries, if any, (other than the obligation) or default
shall occur in respect of any note, loan agreement or credit agreement relating
to any such Indebtedness and such default shall continue for more than the
period of grace, if any, specified therein and any such Indebtedness shall
become due before its stated maturity by acceleration of the maturity thereof
or shall become due



                                      4

<PAGE>   42



by its terms and shall not be promptly paid or extended;

 (v) Any of the Loan Documents shall cease to be legal, valid and binding
agreements enforceable against the Borrower in accordance with the respective
terms thereof or shall in any way be terminated or become or be declared
ineffective or inoperative or shall in any way whatsoever cease to give or
provide the respective rights, titles, interests, remedies, powers or
privileges intended to be created thereby;

 (vi) Borrower or its Subsidiaries (as defined in the Loan Agreement), if any,
shall (A) apply for or consent to the appointment of a receiver, trustee,
custodian, intervenor or liquidator of itself, or of all or substantially all
of such Person's assets, (B) file a voluntary petition in bankruptcy, admit in
writing that such Person is unable to pay such Person's debts as they become
due or generally not pay such Person's debts as they become due, (C) make a
general assignment for the benefit of creditors, (D) file a petition or answer
seeking reorganization or an arrangement with creditors or to take advantage of
any bankruptcy or insolvency laws, (E) file an answer admitting the material
allegations of, or consent to, or default in answering, a petition filed
against such Person in any bankruptcy, reorganization or insolvency proceeding,
or (F) take corporate action for the purpose of effecting any of the foregoing;

 (vii) An involuntary petition or complaint shall be filed against Borrower or
any of its Subsidiaries, if any, seeking bankruptcy or reorganization of such
Person or the appointment of a receiver, custodian, trustee, intervenor or
liquidator of such Person, or all or substantially all of such Person's assets,
and such petition or complaint shall not have been dismissed within sixty (60)
days of the filing thereof or an order, order for relief, judgment or decree
shall be entered by any court of competent jurisdiction or other competent
authority approving a petition or complaint seeking reorganization of Borrower
or its Subsidiary, if any, or appointing a receiver, custodian, trustee,
intervenor or liquidator of such Person, or of all or substantially all of such
Person's assets;

 (viii) Any final judgment(s) for the payment of money in excess of the sum of
$250,000 in the aggregate shall be rendered against Borrower or any Subsidiary
and such judgment or judgments shall not be satisfied or discharged at least
ten (10) days prior to the date on which any of its assets could be lawfully
sold to satisfy such judgment;

 (ix) The failure of Borrower to issue and deliver shares of Common Stock as
provided herein upon conversion of the Debenture; or

 (x) The failure to submit to common stockholders Lender's nominee, if any, for
election to the Board of Directors of Borrower for any reason other than good
cause.

 (xi) The Borrower shall fail to execute and deliver pledged stock and
collateral as required under Loan Documents.

 (b) Remedies Upon Event of Default: If an Event of Default shall have occurred
and be continuing, then Lender may exercise any one or more of the following
rights and remedies, and any other remedies provided in any of the Loan
Documents, as Lender in its sole discretion, may deem necessary or appropriate:

 (i) declare the unpaid Principal Amount (after application of any payments or
installments received by Lender) of, and all interest then accrued but unpaid
on, the Debentures and any other liabilities hereunder to be forthwith due and
payable, whereupon the same shall forthwith become due and payable without
presentment, demand, protest, notice of default, notice of acceleration or of
intention to accelerate or other notice of any kind, all of which Borrower
hereby expressly waives.

 (ii) reduce any claim to judgment, and/or

 (iii) without notice of default or demand, pursue and enforce any of Lender's
rights and remedies under the Loan Documents, or otherwise provided under or
pursuant to any applicable law or agreement, all of which rights may be
specifically enforced.

 (c) Remedies Nonexclusive:  Each right, power or remedy of the holder hereof
upon the occurrence of any Event of Default as provided for in this Debenture
or now or hereafter existing at law or in equity or by statute shall be
cumulative and concurrent and shall be in addition to every other right, power
or remedy provided for in this Debenture or now or hereafter existing at law or
in equity or by statute, and the exercise or beginning of the exercise by the
holder or transferee hereof of any one or more of such rights, powers or
remedies shall not preclude the simultaneous or later exercise by the holder of
any or all such other rights, powers or remedies.

 (d) Expenses: Upon the occurrence of a Default or an Event of Default, which
occurrence is not cured within the notice provisions, if any provided
therefore, Borrower agrees to pay and shall pay all costs and expenses
(including Lenders attorney's fees and expenses) reasonably incurred by Lender
in connection with the preservation and enforcement of Lender's rights under
the Loan Agreement, the Debentures, or any other Loan Document.

 12. FAILURE TO ACT AND WAIVER:  No failure or delay by the holder hereof to
require the performance of any term or




                                      5
<PAGE>   43



terms of this Debenture or not to exercise any right, or any remedy shall
constitute a waiver of any such term or of any right or of any default, nor
shall such delay or failure preclude the holder hereof from exercising any such
right, power or remedy at any later time or times.  By accepting payment after
the due date of any amount payable under this Debenture, the holder hereof
shall not be deemed to waive the right either to require payment when due of
all other amounts payable, or to later declare a default for failure to effect
such payment of any such other amount.  The failure of the holder of this
Debenture to give notice of any failure or breach of the Borrower under this
Debenture shall not constitute a waiver of any right or remedy in respect of
such continuing failure or breach or any subsequent failure or breach.

 13.  CONSENT TO JURISDICTION:  The Borrower hereby agrees and consents that
any action, suit or proceeding arising out of this Debenture may be brought in
any appropriate court in the State of Texas including the United States
District Court for the Northern District of Texas, or in any other court having
jurisdiction over the subject matter, all at the sole election of the holder
hereof, and by the issuance and execution of this Debenture the Borrower
irrevocably consents to the jurisdiction of each such court.  The Borrower
hereby irrevocably appoints CT Corporation, Dallas, Texas, as agent for the
Borrower to accept service of process for and on behalf of the Borrower in any
action, suit or proceeding arising out of this Debenture.  Except for default
in payment of interest or principal when and as they become due, and except as
otherwise specifically set forth herein or otherwise agreed to in writing by
the parties, any action dispute, claim or controversy (all such herein called
"Dispute") between or among the parties as to the facts or the interpretation
of the Debenture shall be resolved by arbitration as set forth in Section 11.05
of the Loan Agreement.

 14.  HOLDERS RIGHT TO REQUEST MULTIPLE DEBENTURES:  The Holder shall, upon
written request and presentation of the Debenture, have the right, at any
interest payment date, to request division of this Debenture into two or more
units, each of such to be in such amounts as shall be requested; provided
however that no Debentures shall be issued in denominations of face amount less
than $100,000.00.

 15.  TRANSFER:  This Debenture may be transferred on the books of the Borrower
by the registered Holder hereof, or by Holder's attorney duly authorized in
writing, only upon (i) delivery to the Borrower of a duly executed assignment
of the Debenture, or part thereof, to the proposed new Holder, along with a
current notation of the amount of payments received and net Principal Amount
yet unfunded, and presentment of such Debenture to the Borrower for issue of a
replacement Debenture, or Debentures, in the name of the new Holder, (ii) the
designation by the new Holder of the Lender's agent for notice, such agent to
be the sole party to whom Borrower shall be required to provide notice when
notice to Lender is required hereunder and who shall be the sole party
authorized to represent Lender in regard to modification or waivers under the
Debenture, the Loan Agreement, or other Loan Documents; and any action, consent
or waiver, (other than a compromise of principal and interest), when given or
taken by Lender's agent for notice, shall be deemed to be the action of the
holders of a majority in amount of the Principal Amount of the Debentures, as
such holders are recorded on the books of the Borrower, and (iii) in compliance
with the legend to read "The Securities represented by this Debenture have not
been registered under the Securities Act of 1933, as amended ("Act"), or
applicable state securities laws ("State Acts") and shall not be sold,
hypothecated, donated or otherwise transferred unless the Company shall have
received an opinion of Legal Counsel for the Company, or such other evidence as
may be satisfactory to Legal Counsel for the Company, to the effect that any
such transfer shall not require registration under the Act and the State Acts."

 The Borrower shall be entitled to treat any holder of record of the Debenture
as the Holder in fact thereof and of the Debenture and shall not be bound to
recognize any equitable or other claim to or interest in this Debenture in the
name of any other person, whether or not it shall have express or other notice
thereof, save as expressly provided by the laws of Texas.

 16.  NOTICES:  All notices and communications under this Debenture shall be in
writing and shall be either delivered in person or by FedEx and accompanied by
a signed receipt therefor; or mailed first-class United States certified mail,
return receipt requested, postage prepaid, and addressed as follows: (i) if to
the Borrower at its address for notice as stated in the Loan Agreement; and,
(ii) if to the holder of this Debenture, to the address (a) of such holder as
it appears on the books of the Borrower, or (b) in the case of a partial
assignment to one or more holders, to the Lender's agent for notice, as the
case may be.  Any notice of communication shall be deemed given and received as
of the date of such delivery if delivered; or if mailed, then three days after
the date of mailing.

 17.  MAXIMUM INTEREST RATE: Regardless of any provision contained in this
Debenture, Lender shall never be entitled to receive, collect or apply as
interest on the Debenture any amount in excess of interest calculated at the
Maximum Rate, and, in the event that Lender ever receives, collects or applies
as interest any such excess, the amount which would be excessive interest shall
be deemed to be a partial prepayment of principal and treated hereunder as
such; and, if the




                                      6
<PAGE>   44



principal amount of the Debenture is paid in full, any remaining excess shall
forthwith be paid to Borrower.  In determining whether or not the interest paid
or payable under any specific contingency exceeds interest calculated at the
Maximum Rate, Borrower and Lender shall, to the maximum extent permitted under
applicable law, (i) characterize any non principal payment as an expense, fee
or premium rather than as interest; (ii) exclude voluntary prepayments and the
effects thereof, and (iii) amortize, pro rate, allocate and spread, in equal
parts, the total amount of interest throughout the entire contemplated term of
the Debenture; provided that, if the Debenture is paid and performed in full
prior to the end of the full contemplated term thereof, and if the interest
received for the actual period of existence thereof exceeds interest calculated
at the Maximum Rate, Lender shall refund to Borrower the amount of such excess
or credit the amount of such excess against the principal amount of the
Debenture and, in such event, Lender shall not be subject to any penalties
provided by any laws for contracting for, charging, taking, reserving or
receiving interest in excess of interest calculated at the Maximum Rate.

 (b) "Maximum Rate" shall mean, on any day, the highest nonusurious rate of
interest (if any) permitted by applicable law on such day that at any time, or
from time to time, may be contracted for, taken, reserved, charged or received
on the Indebtedness evidenced by the Debenture under the laws which are
presently in effect of the United States of America and the State of Texas or
by the laws of any other jurisdiction which are or may be applicable to the
holders of the Debenture and such Indebtedness or, to the extent permitted by
law, under such applicable laws of the United States of America and the State
of Texas or by the laws of any other jurisdiction which are or may be
applicable to the holder of the Debenture and which may hereafter be in effect
and which allow a higher maximum nonusurious interest rate than applicable laws
now allow.

 18.  RIGHTS UNDER LOAN AGREEMENT:  This Debenture is issued pursuant to that
certain Convertible Debenture Loan Agreement dated October 30, 1996 by and
between Topro, Inc. and its subsidiaries as co-borrower and Renaissance U.S.
Growth & Income Trust, PLC as Lender,  (the "Loan Agreement"), and the holder
hereof is entitled to all the rights and benefits, and is subject to all the
obligations of Lender under said agreement, including the maximum interest
rates limitations as specified in Section 11.07 thereof.  Both Borrower and
Lender have participated in the negotiation and preparation of the Loan
Agreement and of this Debenture.  Borrower agrees that a copy of the Loan
Agreement with all amendments, additions and substitutions therefor shall be
available to the Holder at the offices of Borrower.  This Debenture is secured
pursuant to a Security Agreement and Pledge Agreement dated October 30, 1996.

 19.  GOVERNING LAW:  THIS DEBENTURE SHALL BE GOVERNED BY AND CONSTRUED AND
ENFORCED IN ACCORDANCE WITH THE LAWS OF THE STATE OF TEXAS, OR, WHERE
APPLICABLE, THE LAWS OF THE UNITED STATES.



                            (Signature Page Follows)



                                      7

<PAGE>   45



         IN WITNESS WHEREOF, the undersigned Borrower has caused this Debenture
to be duly issued and executed on the Date of Issue above stated.


                                  CO-BORROWERS                                
                                                                              
Address for Notice:               Topro, Inc.                                 
- ------- --- -------                                                           
2525 West Evans Avenue                                                        
Denver, CO 80219                                                              
                                  By:                                         
                                     -----------------------------------------
                                  Title:                                      

                                                                              
                                  Attest  by:                                 
                                             ---------------------------------
                                  Title:  Secretary                           
                                                                              
                                                                              
                                  CO-BORROWER                                 

                                                                              
Address for Notice:               Advanced Control Technology, Inc.           
- ------ --- -------                                                            
2525 West Evans Avenue                                                        
Denver, CO 80219                                                              
                                  By:                                         
                                     -----------------------------------------
                                  Title:                                      
                                                                              

                                  Attest  by:                                 
                                             ---------------------------------
                                  Title:   Secretary                          
                                                                              
                                                                              
                                  CO-BORROWER                                 
                                                                              
Address for Notice:               Management Design and Consulting Services,  
- ------ --- -------                Inc.                                        
2525 West Evans Avenue                                                        
Denver, CO 80219                                                              
                                  By:                                         
                                     -----------------------------------------
                                  Title:                                      
                                                                              

                                  Attest  by:                                 
                                             ---------------------------------
                                  Title:   Secretary                          





                                       8
<PAGE>   46




                                   CO-BORROWER                                
                                                                              
                                                                              
Address for Notice:                Topro Systems Integration, Inc.            
- ------- --- -------                                                           
2525 West Evans Avenue                                                        
Denver, CO 80219                                                              
                                   By:                                        
                                      ----------------------------------------
                                   Title:                                     
                                                                              

                                   Attest  by:                                
                                              --------------------------------
                                   Title:   Secretary                         
                                                                              
                                                                              
                                   CO-BORROWER                                
                                                                              
                                                                              
Address for Notice                 Visioneering Holding Corporation           
- ------------------                                                            
                                                                              
                                                                              
                                   By:                                        
                                      ----------------------------------------
                                   Title:  President                          
                                                                              

                                   Attest  by:                                
                                              --------------------------------
                                   Title:  Assistant Secretary                





                                       9
<PAGE>   47




          This instrument was acknowledged before me on ___________, 199____, by
_________________________, ________________of__________________, a ____________
___________.corporation.


                                           Notary Public, State of
                                                                  -------------
                                           My Commission Expires:
                                                                 --------------

                                           Printed Name of Notary
                                                                 --------------


         This instrument was acknowledged before me on ___________, 199____, by
_________________________, ________________of__________________, a ____________
___________.corporation.

                                           Notary Public, State of
                                                                  -------------
                                           My Commission Expires:
                                                                 --------------

                                           Printed Name of Notary
                                                                 --------------


         This instrument was acknowledged before me on ___________, 199____, by
_________________________, ________________of __________________, a ___________
____________.corporation.

                                           Notary Public, State of
                                                                  -------------
                                           My Commission Expires:
                                                                 --------------

                                           Printed Name of Notary
                                                                 --------------


         This instrument was acknowledged before me on ___________, 199____, by
_________________________, ________________of __________________, a ___________
____________.corporation.

                                           Notary Public, State of
                                                                  -------------
                                           My Commission Expires:
                                                                 --------------

                                           Printed Name of Notary
                                                                  -------------


         This instrument was acknowledged before me on ___________, 199____, by
_________________________, ________________of __________________, a ___________
____________.corporation.

                                           Notary Public, State of
                                                                  -------------
                                           My Commission Expires:
                                                                 --------------

                                           Printed Name of Notary
                                                                 --------------





                                       10

<PAGE>   1
                                                                   Exhibit 10.24

       Topro Signs Letter of Intent to Acquire All-Control Systems, Inc.
          Acquisition Expected to Add $10 Million to Revenue Stream

    DENVER, Oct 16./PRNewswire/ -- Topro, Inc. (Nasdaq: TPRO), a leading
provider of automation and information technology solutions to industry, today
announced that it has signed a letter of intent to acquire All-Control Systems
(ACS(R)) of West Chester, Pennsylvania. ACS, which reported sales of
approximately $10 million in 1995, is a leading provider of systems integration
and business management consulting solutions for companies in the process 
industries.
    Terms of the proposed acquisition have not been disclosed. The transaction,
which is expected to close by November 30, 1996, is subject to completion of
customary due diligence and approval by Topro's Board of Directors.
    Topro CEO John Jenkins said the acquisition of ACS will increase Topro's
annualized revenue stream to more than $40 million, and will give the Company a
significant presence in the nation's Mid-Atlantic and Northeast regions.
    "This acquisition will also significantly strengthen our position as one of
the nation's largest independent control systems integrators," Jenkins said.
"We are very pleased to be adding such a reputable firm to the Topro family."
    Kevin Fallon, who will continue as president and CEO of ACS, said, "This
merger represents an outstanding opportunity for our customers, our employees
and our shareholders. We look forward to joining the Topro team, which we
believe is positioned to become the industry's premier automation and
information technology solutions provider."
    ACS has been in business more than 14 years and employs approximately 65
systems integration professionals. The Company's customer's include
Chesebrough-Ponds USA, Coca-Cola, Glaxo-Wellcome, IBM and Wyeth-Ayrest.
    Since August 1995, Topro has acquired three other systems integration
companies including: Atlanta, Georgia-based MDCS, Albany, Oregon-based ACT, and
Vision Engineering which is based in Cyprus, California.
    "We are committed to providing the most comprehensive automation and
information technology solutions offering in the industry," Jenkins said.
    "Combining the strengths of five successful integrators allows us to tap
into national and international business opportunities. In addition, we now
have complementary expertise and resources which enable Topro to offer an
improved scope of product -- covering many industries and technologies, across
our broad geographic base."
    Statements made in this news release that are not historical facts may be
forward looking statements. Actual results may differ materially from those
projected in any forward looking statement. There are a number of important
factors that could cause actual results to differ materially from those
anticipated by any forward looking information. A description of risks and
uncertainties attendant to Topro and its industry and other factors which could
affect the Company's financial results are included in the Company's Securities
and Exchange Commission Filings.



<TABLE> <S> <C>

<ARTICLE> 5
       
<S>                             <C>
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<FISCAL-YEAR-END>                          JUN-30-1997
<PERIOD-START>                             JUL-01-1996
<PERIOD-END>                               SEP-30-1996
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                                0
                                          0
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</TABLE>


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