RAILWORKS CORP
10-Q, 1998-09-11
ARRANGEMENT OF TRANSPORTATION OF FREIGHT & CARGO
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<PAGE>   1
                UNITED STATES SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                    FORM 10-Q
                                    ---------
(Mark One)

         (X)      QUARTERLY REPORT PURSUANT TO SECTION 13 or 15 (d) OF THE
                  SECURITIES EXCHANGE ACT OF 1934.

                  For the quarterly period ended June 30, 1998
                                                 -------------

                                       OR

         ( )      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 0-24639
                                                -------

                              RailWorks Corporation
       (Exact name of registrant as specified in its governing instrument)

                  Delaware                                58-2382378
           (State of Organization)             (IRS Employer Identification No.)

           1104 Kenilworth Drive, Suite 301, Baltimore, Maryland 21204
     (Address of principal executive office)              (Zip Code)

       (Registrant's telephone number, including area code) (410) 512-0500

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. Yes  X  No
                                       ---    ---

15,073,530 shares of common stock were outstanding as of September 1, 1998.
- ---------------------------------------------------------------------------
<PAGE>   2
                              RailWorks Corporation

                                    CONTENTS



PART 1 - FINANCIAL INFORMATION

         Item 1 - Financial Statements:

     RailWorks Corporation:
              Condensed Balance Sheet as of June 30, 1998 (unaudited)
              Condensed Statement of Income for the three months ended June 30,
                  1998 (unaudited) and for the period from inception (March 20,
                  1998) to June 30, 1998 (unaudited)
              Condensed Statement of Cash Flows for the period from inception
                  (March 20, 1998) to June 30, 1998 (unaudited)
              Notes to Condensed Financial Statements (unaudited)

     Comstock Holdings, Inc.:
              Consolidated Balance Sheets as of June 30, 1998 (unaudited) and
                  December 31, 1997
              Consolidated Statements of Income for the three months ended June
                  30, 1998 (unaudited) and 1997 (unaudited) and the six months
                  ended June 30, 1998 (unaudited) and 1997 (unaudited)
              Consolidated Statements of Cash Flows for the six months ended
                  June 30, 1998 (unaudited) and 1997 (unaudited)
              Notes to Consolidated Financial Statements (unaudited)

         Item 2 - Management's Discussion and Analysis of Financial Condition
                  and Results of Operations:
                           RailWorks Corporation
                           Comstock Holdings, Inc.

         Item 3 - Quantitative and Qualitative Disclosures About Market Risk

PART II - OTHER INFORMATION

     Items 1 through 6
     Signatures


                                       2
<PAGE>   3
PART 1.  FINANCIAL INFORMATION

Item 1.  Financial Statements

                              RailWorks Corporation
                             CONDENSED BALANCE SHEET
                                  June 30, 1998
                                 (in Thousands)
                                   (Unaudited)

<TABLE>
<S>      <C>                                                                  <C>
ASSETS
- ------

CURRENT ASSETS:
         Cash........................................................         $55
                                                                              ---

                  Total current assets...............................          55
                                                                              ---

                  Total assets.......................................         $55
                                                                              ===


LIABILITIES and STOCKHOLDER'S EQUITY
- ------------------------------------

CURRENT LIABILITIES:

         Advances from Founding Companies............................         $55
                                                                              ---

                  Total current liabilities..........................          55
                                                                              ---

                  Total liabilities..................................          55
                                                                              ---

STOCKHOLDER'S EQUITY:

         Preferred stock, $0.01 par value. Authorized 10,000,000
           shares. No shares issued..................................          --
         Common stock, $0.01 par value.  Authorized 100,000,000
           shares, 10 shares issued and outstanding..................          --
                                                                              ---
         Paid-in capital ............................................
                  Total stockholder's equity.........................          --
                                                                              ---

                  Total liabilities and stockholder's equity.........         $55
                                                                              ===
</TABLE>


            See accompanying Notes to Condensed Financial Statements.


                                       3
<PAGE>   4
                              RailWorks Corporation
                          CONDENSED STATEMENT OF INCOME
                    FOR THE THREE MONTHS ENDED JUNE 30, 1998
         AND THE PERIOD FROM INCEPTION (MARCH 20, 1998) TO JUNE 30, 1998
                                 (in Thousands)
                                   (Unaudited)


<TABLE>
<CAPTION>
                                                                 Three Months            Inception
                                                                     Ended                Through
                                                                 June 30, 1998         June 30, 1998
                                                                 -------------         -------------
<S>                                                              <C>                   <C>
Revenues.......................................................     $     --               $    --
Selling, General and Administrative Expenses...................           --                    --
                                                                    --------               -------
Income Before Income Taxes.....................................           --                    --
Provision For Income Taxes.....................................           --                    --
                                                                          --                    --
Net Income.....................................................     $     --               $    --
                                                                    ========               =======
</TABLE>


            See accompanying Notes to Condensed Financial Statements.










                                       4
<PAGE>   5
                              RailWorks Corporation
                        CONDENSED STATEMENT OF CASH FLOWS
                FOR THE PERIOD FROM INCEPTION (MARCH 20, 1998) TO
                                  JUNE 30, 1998
                                 (in Thousands)
                                   (unaudited)


<TABLE>
<S>                                                                      <C>
CASH FLOWS FROM OPERATING ACTIVITIES:                                    $--
                                                                         ---

CASH FLOWS FROM INVESTING ACTIVITIES:                                     --
                                                                         ---

CASH FLOWS FROM FINANCING ACTIVITIES:
         Advances from Founding Companies........................         55
                                                                         ---
                  Net cash provided by financing activities......         55
                                                                         ---

NET INCREASE IN CASH.............................................         55

CASH, beginning of period........................................         --
                                                                         ---

CASH, end of period..............................................        $55
                                                                         ===

SUPPLEMENTARY DISCLOSURES OF CASH FLOW INFORMATION:
         Cash paid during the period for interest................        $--
                                                                         ===
         Cash paid during the period for income taxes............        $--
                                                                         ===
</TABLE>


            See accompanying Notes to Condensed Financial Statements.








                                       5
<PAGE>   6
                              RailWorks Corporation
                     NOTES TO CONDENSED FINANCIAL STATEMENTS
                                  June 30, 1998
                                   (unaudited)

NOTE 1   BASIS OF PRESENTATION

         The accompanying unaudited condensed financial statements have been
prepared in accordance with generally accepted accounting principles for interim
financial information and with the instructions to Form 10-Q and Article 10 of
Regulations S-X. Accordingly, they do not include all of the information and
footnotes required by generally accepted accounting principles for complete
financial statements. In the opinion of management, all adjustments (consisting
of normal recurring adjustments) considered necessary for a fair presentation
have been included in the accompanying unaudited condensed financial statements.
Operating results for the three months ended June 30, 1998 and the period from
inception (March 20, 1998) to June 30, 1998 are not necessarily indicative of
the results that may be expected for the year ended December 31, 1998.

NOTE 2   ORGANIZATION

         RailWorks Corporation ("RailWorks") was incorporated in Delaware on
March 20, 1998 and was initially capitalized on such date through the sale of 10
shares of Common Stock for an aggregate purchase price of $100. RailWorks seeks
to become a leading nationwide provider of rail system services, including
construction and rehabilitation, repair and maintenance, and related products.
RailWorks' strategy is to provide a full range of rail related services and
products on a national basis and offer integrated rail system solutions. To
accomplish this objective, RailWorks intends to acquire (the "Acquisitions")
fourteen U.S. businesses (the "Founding Companies"), complete an initial public
offering (the "Offering") of its common stock (taken together "the
Consolidation") and, subsequent to the Consolidation, intends to acquire,
through merger or purchase similar companies to expand its operations. RailWorks
and its newly formed, wholly-owned subsidiaries have signed definitive
agreements to acquire by merger the Founding Companies upon consummation of the
Offering. The Founding Companies are: Annex Railroad Builders, Inc. and
Associated Companies, Comtrak Construction, Inc., Comstock Holdings, Inc.,
Condon Brothers, Inc., CPI Concrete Products Inc., H.P. McGinley, Inc., Kennedy
Railroad Builders, Inc. and Associated Companies, Merit Railroad Contractors,
Inc., Midwest Construction Services, Inc., New England Railroad Construction
Company, Inc., Railroad Service, Inc. and Associated Companies, Southern Indiana
Wood Preserving Company, Inc., U.S. Trackworks, Inc. and Associated Companies,
and Wm. A. Smith Construction Co., Inc. and Associated Companies.

         For accounting and financial statement purposes, Comstock Holdings,
Inc. (one of the Founding Companies) has been identified as the accounting
acquiror consistent with Staff Accounting Bulletins ("SAB") No. 97 of the
Securities and Exchange Commission because its owners are expected to receive
the largest portion 


                                       6
<PAGE>   7
(approximately 32.8%) of the shares of Common Stock issued to the owners of the
Founding Companies in the Consolidation. The acquisitions of the remaining
Founding Companies will be accounted for as purchases in accordance with
Accounting Principles Board ("APB") Statement No. 16 "Business Combinations".

         Through June 30, 1998, RailWorks conducted no operations but incurred
incidental startup, organizational and administrative expenses that were funded
by advances from the fourteen Founding Companies.

NOTE 3   SUBSEQUENT EVENTS

         On August 4, 1998, RailWorks consummated the Offering of 5,000,000
shares of its common stock at a price of $12.00 per share. Gross proceeds were
$60.0 million and net proceeds to Railworks, after deducting underwriting
discounts and commissions, were $55.8 million ($53.6 million after deducting
miscellaneous Offering expenses of approximately $2.2 million).

         Following the completion of the Offering, on September 8, 1998
RailWorks paid $1.6 million to Comstock Group, Inc. in satisfaction of all
contingent payments owed in connection with the purchase of L.K. Comstock &
Company, Inc. by Comstock Holdings, Inc.

         Concurrent with the Offering, RailWorks also issued an aggregate of
8,557,280 shares of common stock to the owners of the Founding Companies in
exchange for 100% of the outstanding stock of the Founding Companies. The
Founding Companies were under contract to compensate IPO Development Company,
its organizer, for services rendered in conjunction with the Offering. As a
result, IPO Development Company received 310,368 shares of Common Stock in
satisfaction of the obligations of the Founding Companies.

         Additionally, RailWorks issued 1,205,872 shares of common stock to its
executive management team. As a result of this stock grant, RailWorks estimates
it will recognize approximately $14.5 million in compensation expense in the
third quarter of 1998.

         On August 13, 1998, the Compensation Committee of the Board of 
Directors adopted its 1998 Stock Incentive Plan which reserves  2,000,000
shares of common stock for issuance under the Plan. The shares are to  be
issued at the discretion of the Board of Directors to incentivize management 
of RailWorks and its subsidiaries.

         On August 4, 1998, RailWorks' two independent directors were each
granted an option to purchase 10,000 share of common stock at the Offering
price.


                                       7
<PAGE>   8
NOTE 4 - CREDIT FACILITY

         On August 4, 1998, RailWorks entered into a secured $75 million
revolving credit agreement with NationsBank, N.A. (the "Credit Facility"). The
Revolver expires on August 4, 2001, however RailWorks may request the bank to
extend the agreement for two, one-year periods. The proceeds of the Credit
Facility are to be utilized for working capital, future acquisitions and letters
of credit. The aggregate amount of letter of credit obligations that can be
drawn against the Credit Facility shall not exceed $20 million.

         Interest on loans, commitment fees, and letter of credit fees are based
upon consolidated leverage ratios in a pricing matrix. A facility fee of 2% is
also payable on the total Credit Facility.

         As of August 28, 1998, RailWorks had total borrowings outstanding of
$35.3 million under the Credit Facility.

NOTE 5 - EMPLOYMENT AGREEMENTS

         RailWorks has entered into employment agreements with its Chief
Executive Officer, Chief Financial Officer, Chief Operating Officer and Chief
Accounting Officer who will be executive officers of the Company (together, the
"Named Executive Officers"). The agreements expire on December 31, 2001 (the
"Expiration Date") and will continue on a year-to-year basis, unless terminated
by either party. The agreements provide for annual base salaries of $275,000,
$200,000, $100,000 and $135,000 for Messrs. Larkin, Azarela, Kennedy and Kropp,
respectively, and provide that these executive officers will receive 5%, 2%,
1.5% and 1.5% respectively, of the first bonus pool (the "First Bonus Pool") and
33.3%, 13.3%, 10.0% and 10.1%, respectively, of the second bonus pool (the
"Second Bonus Pool"). The First Bonus Pool will consist of 10% of pre-tax
profits and the Second Bonus Pool will consist of 15% of the amount by which net
income exceeds certain benchmarks. In addition, the agreements provide that each
Executive Officer will be granted shares of restricted stock, as set forth
herein. At any time after the Offering, the employee may request a loan from
RailWorks in the amount of the income taxes due on stock granted to the employee
under his employment agreement. The loan will be collateralized only by the
stock granted and the employee otherwise will not be personally obligated to
repay the loan. The term of the loan will be five years, requiring annual
interest payments; however, the term will be accelerated following termination
of employment. Each agreement contains non-competition, non-solicitation and
confidential information provisions.

         Upon consummation of the Acquisitions, RailWorks entered into
employment agreements with certain employee-stockholders of each Founding
Company. The agreements expire on the second anniversary of the closing date of
the Offering. On and after such date, the employees may give twelve months
written notice of termination of the agreement (the "Expiration Date"). Each
agreement is terminable by RailWorks with or without cause or upon the
employee's death or inability to perform his duties on account of a disability
for a period of six months during any 


                                       8
<PAGE>   9
consecutive twelve-month period or by the employee. Each agreement provides for
an annual base salary and provides that the salary be adjusted after the initial
term of the agreement to reflect the employee's duties and responsibilities.
Furthermore, each employee will be entitled to a portion of the First Bonus Pool
and the Second Bonus Pool. As a group, the owners of the Founding Companies will
be entitled to an aggregate of 40% of the First Bonus Pool and 33.3% of the
Second Bonus Pool.










                                       9
<PAGE>   10
                             Comstock Holdings, Inc.

                           CONSOLIDATED BALANCE SHEETS
              As of June 30, 1998 (unaudited) and December 31, 1997
                                 (in Thousands)


<TABLE>
<CAPTION>
                                                            June 30, 1998   December 31, 1997
                           ASSETS                            (unaudited)
                                                             -----------       -----------
<S>                                                         <C>             <C>
CURRENT ASSETS:
   Cash ..................................................      $   119          $ 1,120
   Accounts receivable ...................................       52,435           46,436
   Costs and estimated earnings in excess of
     billings on uncompleted contracts ...................       17,166           17,149
   Inventory .............................................          769            1,240
   Deferred tax asset ....................................        1,020            1,020
   Other current assets ..................................        1,280              977
                                                                -------          -------

                  Total current assets ...................       72,789           67,942
                                                                -------          -------

EQUIPMENT AND LEASEHOLD IMPROVEMENTS .....................          598              448
LESS -- ACCUMULATED DEPRECIATION AND
   AMORTIZATION ..........................................          119               56
                                                                -------          -------
EQUIPMENT AND LEASEHOLD
   IMPROVEMENTS, Net .....................................          479              392
                                                                -------          -------

OTHER ASSETS .............................................          206               18
                                                                -------          -------
                  Total assets ...........................      $73,474          $68,352
                                                                =======          =======

            LIABILITIES AND STOCKHOLDERS' EQUITY
CURRENT LIABILITIES:
   Current maturities of long-term debt ..................      $   828          $ 2,555
   Accounts payable and accrued liabilities ..............       27,616           22,547
   Accrued payroll and related withholdings ..............        4,087            4,711
   Billings in excess of costs and estimated
     earnings on uncompleted contracts ...................        6,007            8,510
   Other current liabilities .............................        4,262            3,119
                                                                -------          -------

                  Total current liabilities ..............       42,800           41,442
                                                                -------          -------
</TABLE>




                                       10
<PAGE>   11
<TABLE>
<S>                                                         <C>          <C>
LONG-TERM DEBT ...........................................   15,231       12,449
EXCESS OF ACQUIRED NET ASSETS OVER COST ..................   10,076       10,210
OTHER LIABILITIES ........................................    2,808        2,813
                                                            -------      -------

                  Total long-term liabilities ............   28,115       25,472
                                                            -------      -------

                  Total liabilities ......................   70,915       66,914
                                                            -------      -------

COMMITMENTS AND CONTINGENCIES ............................       --           --

STOCKHOLDERS' EQUITY:
   Common stock, $.01 par value, 150,000 shares
     authorized 111,500 shares issued and
     outstanding .........................................        1            1
   Additional paid-in capital ............................        9            9
   Retained earnings .....................................    2,549        1,428
                                                            -------      -------

              Total Stockholders' Equity .................    2,559        1,438
                                                            -------      -------

              Total Liabilities & Stockholders' Equity ...  $73,474      $68,352
                                                            =======      =======
</TABLE>


          See accompanying Notes to Consolidated Financial Statements.








                                       11
<PAGE>   12
                             Comstock Holdings, Inc.
                        CONSOLIDATED STATEMENTS OF INCOME
                FOR THE THREE MONTHS ENDED JUNE 30, 1998 and 1997
                                 (in Thousands)
                                   (unaudited)


<TABLE>
<CAPTION>
                                                            Three Months Ended
                                                                  June 30
                                                          ----------------------
                                                          1998              1997
                                                          ----              ----
<S>                                                     <C>               <C>    
Revenues............................................    $44,752           $34,739
Contract Costs......................................     39,938            30,304
                                                         ------            ------
Gross Profit........................................      4,814             4,435
Selling, General and Administrative Expenses........      3,662             3,349
Depreciation and Amortization.......................        (19)              (53)
Interest Expense....................................        438               424
Interest and Other Income...........................          5                17
                                                        -------           -------
Income Before Income Taxes..........................        728               698
Provision For Income Taxes..........................        273               280
                                                        -------           -------
Net Income..........................................    $   455           $   418
                                                        =======           =======
</TABLE>


          See accompanying Notes to Consolidated Financial Statements.


                             Comstock Holdings, Inc.
                        CONSOLIDATED STATEMENTS OF INCOME
                 FOR THE SIX MONTHS ENDED JUNE 30, 1998 and 1997
                                 (in Thousands)
                                   (unaudited)


<TABLE>
<CAPTION>
                                                            Six Months Ended
                                                                 June 30
                                                          ----------------------
                                                          1998              1997
                                                          ----              ----
<S>                                                     <C>               <C>    
Revenues............................................    $86,380           $67,140
Contract Costs......................................     77,143            58,301
                                                        -------           -------
Gross Profit........................................      9,237             8,839
Selling, General and Administrative Expenses........      6,886             7,244
Depreciation and Amortization.......................        (58)             (114)
Interest Expense....................................        858               988
Interest and Other Income...........................       (287)             (709)
                                                        -------           -------
Income Before Income Taxes..........................      1,838             1,430
Provision For Income Taxes..........................        717               572
                                                        -------           -------
Net Income..........................................    $ 1,121           $   858
                                                        =======           =======
</TABLE>


          See accompanying Notes to Consolidated Financial Statements.


                                       12
<PAGE>   13
                             Comstock Holdings, Inc.
                      CONSOLIDATED STATEMENTS OF CASH FLOWS
                 FOR THE SIX MONTHS ENDED JUNE 30, 1998 and 1997
                                 (in Thousands)
                                   (unaudited)


<TABLE>
<CAPTION>
                                                                         Six Months Ended
                                                                              June 30
                                                                        -------------------
                                                                        1998           1997
                                                                        ----           ----
<S>                                                                   <C>            <C>    
CASH FLOWS FROM OPERATING ACTIVITIES:
   Net income...............................................          $ 1,121        $   858
   Adjustments to reconcile net income to net
     cash used in operating activities--
       Depreciation and amortization........................              (58)          (114)
       Deferred taxes.......................................               --            208
       Gain on sale of equipment............................               (8)           (96)
       Change in assets and liabilities:
         Increase in accounts receivable and costs
           and estimated earnings in excess of
           billings on uncompleted contracts................           (6,016)        (2,569)
         Decrease in inventory..............................              471            356
         Increase in other current assets...................             (303)           (11)
         Increase (decrease) in accounts payable
           and accrued liabilities..........................            5,069         (6,101)
         (Decrease) increase in accrued payroll and
           related withholdings.............................             (624)         1,899
         (Decrease) increase in billings in excess of
           costs and estimated earnings on
         uncompleted contracts..............................           (2,503)         4,711
         Increase (decrease) in other current
           liabilities......................................            1,143             (9)
         Increase in other assets...........................             (188)           (35)
         Decrease in other liabilities......................               (5)           (24)
                                                                     --------        ------- 

           Net cash used in operating activities............           (1,901)          (927)
                                                                     --------        ------- 

CASH FLOWS FROM INVESTING ACTIVITIES:
   Proceeds from sales of equipment.........................                8             96
   Purchase of equipment and leasehold
     improvements...........................................             (163)          (289)
                                                                     --------        -------

           Net cash used in investing activities............             (155)          (193)
                                                                     --------        -------
</TABLE>


                                       13
<PAGE>   14
<TABLE>
<CAPTION>
<S>                                                                  <C>             <C>
CASH FLOWS FROM FINANCING ACTIVITIES:
   Proceeds from contingent promissory notes................               --         14,608
   Repayment of contingent promissory notes.................               --           (157)
   Proceeds from note payable...............................               --          4,000
   Repayments of note payable...............................               --         (1,000)
   Proceeds from long-term borrowings.......................            8,986          8,990
   Repayment of long-term borrowings........................           (7,931)       (23,420)
                                                                     --------        -------
           Net cash provided by financing activities........            1,055          3,021
                                                                     --------        -------

NET (DECREASE) INCREASE IN CASH.............................           (1,001)         1,901

CASH, beginning of period...................................            1,120             10
                                                                     --------        -------
CASH, end of period.........................................         $    119        $ 1,911
                                                                     ========        =======

SUPPLEMENTARY DISCLOSURES OF CASH FLOW
   INFORMATION:
   Cash paid during the period for interest.................         $    588        $   936
                                                                     ========        =======
   Cash paid during the period for income taxes.............         $     66        $   261
                                                                     ========        =======
</TABLE>


          See accompanying Notes to Consolidated Financial Statements.






                                       14
<PAGE>   15
                             Comstock Holdings, Inc.
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                                  June 30, 1998
                                   (unaudited)


NOTE 1   BASIS OF PRESENTATION

         The accompanying unaudited consolidated financial statements have been
prepared in accordance with generally accepted accounting principles for interim
financial information and with the instructions to Form 10-Q and Article 10 of
Regulations S-X. Accordingly, they do not include all of the information and
footnotes required by generally accepted accounting principles for complete
financial statements. The balance sheet at December 31, 1997 has been derived
from the audited financial statements at that date. In the opinion of
management, all adjustments (consisting of normal recurring adjustments)
considered necessary for a fair presentation have been included in the
accompanying unaudited consolidated financial statements. Operating results for
the three and six-month periods ended June 30, 1998 are not necessarily
indicative of the results that may be expected for the year ended December 31,
1998.

NOTE 2   ORGANIZATION

         Comstock Holdings, Inc. (formerly LKC Acquisition Corp.) (together with
its predecessor company, "Holdings"), was incorporated on November 20, 1996 as a
Delaware corporation for the purpose of acquiring L.K. Comstock & Company, Inc.
(the "Predecessor Company"). Holdings had no operations from November 20, 1996,
its incorporation date, through January 1, 1997.

         Effective January 1, 1997, Holdings purchased the stock of the
Predecessor Company. The accompanying financial statements have been prepared by
Holdings management and present the financial position and results of operations
of Holdings from the acquisition date.

         Holdings provides electrical contracting services directly to end users
and, indirectly, by acting as a subcontractor for construction managers, general
contractors and other subcontractors. Services are provided to a broad range of
customers including corporations, municipalities and other governmental
entities, primarily in the Northeast and, to a lesser extent, in the Midwestern
and West Coast regions of the United States.



                                       15
<PAGE>   16
NOTE 3   SUBSEQUENT EVENTS

         On May 21, 1998, the stockholders of Holdings entered into an Agreement
and Plan of Reorganization (the "Merger Agreement") with RailWorks Corporation
("RailWorks"). Under the terms of the Merger Agreement, the stockholders will
exchange their stock of Holdings for cash and stock of RailWorks.

         On August 4, 1998 RailWorks closed an initial public offering ("IPO")
of 5,000,000 shares of its common stock at a price of $12.00 per share. Net
proceeds to RailWorks were $55.8 million.

         Concurrent with the closing of the IPO, RailWorks acquired (the
"Combination") 14 companies (the "Founding Companies" or "Subsidiaries") in the
rail system services industry including construction and rehabilitation, repair
and maintenance, and related services. RailWorks issued an aggregate of
8,557,280 shares of common stock to its newly formed, wholly-owned Subsidiaries
upon the closing of the IPO. This issuance was in exchange for one hundred
percent of the outstanding stock of the Founding Companies.

         The net proceeds of the Offering were used to pay the cash portion of
the purchase price for the Founding Companies in the Combination and were used
to repay a portion of certain indebtedness of Holdings and of the Founding
Companies.

         For accounting and financial statement purposes, Holdings has been
identified as the accounting acquiror consistent with Staff Accounting Bulletins
("SAB") No. 97 of the Securities and Exchange Commission because its owners are
expected to receive the largest portion (approximately 32.8%) of the shares of
common stock issued to the owners of the Founding Companies in the Combination.
The acquisitions of the remaining Founding Companies will be accounted for as
purchases in accordance with Accounting Principles Board ("APB") Statement No.
16 "Business Combinations".

         Following the completion of the acquisition of Holdings on September 8,
1998 RailWorks paid $1.6 million to Comstock Group, Inc. in satisfaction of all
contingent payments owed in connection with the purchase of L.K. Comstock &
Company, Inc. by Holdings.



                                       16
<PAGE>   17
NOTE 4   DEBT

Long term debt consists of (in thousands):

<TABLE>
<CAPTION>
                                                June 30, 1998        December 31, 1997
                                                 (unaudited)
                                                 -----------             -----------
<S>                                             <C>                  <C>    
Revolving Credit Agreement(a)............          $15,000                 $12,057
Temporary Revolver(a)....................               --                     550
Promissory Note(a).......................              500                   1,700
Fixed Asset Notes........................              559                     697
                                                   -------                 -------
                                                    16,059                  15,004
Less -- Current portion..................              828                   2,555
                                                   -------                 -------
                                                   $15,231                 $12,449
                                                   =======                 =======
</TABLE>

(a)      On August 4, 1998, the outstanding revolving credit debt and promissory
         note were paid in full. The settlement of the debt was concurrent with
         the consummation of the IPO and the execution of the credit agreement
         between RailWorks and NationsBank, N.A. 








                                       17
<PAGE>   18
Item 2.  Management's Discussion and Analysis of Financial Condition and Results
         of Operations

RESULTS OF OPERATIONS - RAILWORKS CORPORATION

         RailWorks Corporation ("RailWorks") was incorporated in Delaware on
March 20, 1998 as a holding company to acquire 14 companies (the "Founding
Companies" or "Subsidiaries") that provide rail system services, including
construction and rehabilitation, repair and maintenance, and related products.
For the three months ended June 30, 1998 and for the period from inception
(March 20, 1998) to June 30, 1998 RailWorks did not conduct any operations. Cash
advances were made by the Founding Companies to fund incidental start-up,
organizational and administrative expenses related to RailWorks' subsequent
initial public offering ("IPO"). On July 30, 1998, RailWorks completed the IPO
of 5,000,000 shares of its Common Stock.

LIQUIDITY AND CAPITAL RESOURCES - RAILWORKS CORPORATION

         RailWorks expects capital expenditures of approximately $1.0 million
and $3.0 million in 1998 and 1999, respectively, including the expansion of its
management information systems.

         Cash for future acquisitions and working capital will be financed by
funds generated from operations, together with borrowings under a three-year,
$75 million senior revolving credit facility (the "Credit Facility") which
NationsBank, N.A. ("NationsBank") committed to extend on August 4, 1998. The
Revolver expires on August 4, 2001, however RailWorks may request NationsBank to
extend the agreement for two, one-year periods. The proceeds of the Credit
Facility are to be utilized for working capital, future acquisitions and letters
of credit. The aggregate amount of letter of credit obligations that can be
drawn against the Credit Facility shall not exceed $20 million.

         Interest on loans, commitment fees, and letter of credit fees are based
upon consolidated leverage ratios in a pricing matrix. A facility fee of 2% is
also payable on the total Credit Facility.

         As of August 28, 1998, RailWorks had borrowings outstanding of $35.3
million pursuant to the Credit Facility, which borrowings were used to repay a
portion of the indebtedness of the Founding Companies and fund expenses related
to the IPO. Availability of borrowings will be subject to a borrowing base
formula that initially will limit borrowings to approximately $45 million. The
Credit Facility is secured by a first lien on all of the capital stock of
RailWorks' Subsidiaries and on all accounts receivable of RailWorks and its
Subsidiaries. The credit agreement (the "Credit Agreement") governing the Credit
Facility contains a negative pledge on all other assets of RailWorks and 


                                       18
<PAGE>   19
its Subsidiaries and other usual and customary covenants and events of default
for transactions of the type contemplated by the Credit Facility. RailWorks may
also finance future acquisitions with shares of Common Stock.

RESULTS OF OPERATIONS - COMSTOCK HOLDINGS, INC.

Three Months Ended June 30, 1998 Compared to Three Months Ended June 30, 1997

         Revenue. Revenue increased $10.0 million, or 28.8%, from $34.7 million
for the three months ended June 30, 1997 to $44.7 million for the three months
ended June 30, 1998. This increase was partly a result of a $6.3 million
increase in revenue from New York Commercial Operation due primarily to the
completion of work on certain large projects. Included in these projects was
work performed at John F. Kennedy International Airport ("JFK") and Two Penn
Plaza. Progress in the completion of certain New York Transit projects,
including the Pelham Line project, attributed to the additional increase.

         Gross Profit. Gross profit increased $379,000, or 8.5%, from $4.4
million for the three months ended June 30, 1997 to $4.8 million for the three
months ended June 30, 1998. This increase was a result of the increased revenue
mentioned above. The gross profit percentage decreased 2.0%, from 12.8% for the
three months ended June 30, 1997 to 10.8% for the three months ended June 30,
1998. This decrease was the result of incremental costs associated with the JFK
projects.

         Selling, General and Administrative Expenses. Selling, general and
administrative expenses increased $313,000, or 9.3%, from $3.3 million for the
three months ended June 30, 1997 to $3.7 million for the three months ended June
30, 1998. This increase was primarily attributable to increased bonus-related
compensation expense in the second quarter of 1998. As a percentage of revenue,
selling, general and administrative expenses decreased from 9.6% for the three
months ended June 30, 1997 to 8.2% for the three months ended June 30, 1998.
This decrease was a result of leveraging general and administrative expenses
over higher revenue.

         Net Income. Net income remained stable at $418,000 for the three months
ended June 30, 1997 and $455,000 for the three months ended June 30, 1998.

Six Months Ended June 30, 1998 Compared to Six Months Ended June 30, 1997

         Revenue. Revenue increased $19.2 million, or 28.6%, from $67.1 million
for the six months ended June 30, 1997 to $86.4 million for the six months ended
June 30, 1998. This increase was partly a result of a $16.7 million increase in
revenue from New York Commercial Operation due primarily to the 


                                       19
<PAGE>   20
completion of work on certain large projects. Included in these projects was
work performed at JFK and Two Penn Plaza. The continuation of certain power and
industrial work, including the A.K. Steel Project in Indiana and the Mingo
Junction Project in Ohio, attributed to the additional increase in revenue.

         Gross Profit. Gross profit increased $398,000, or 4.5%, from $8.8
million for the six months ended June 30, 1997 to $9.2 million for the six
months ended June 30, 1998. This increase was a result of the increased revenue
mentioned above. The gross profit percentage decreased 2.5%, from 13.2% for the
six months ended June 30, 1997 to 10.7% for the six months ended June 30, 1998.
This decrease was the result of costs associated with New York Commercial
Operation including the JFK projects and Emergency Medical Services' Building
project.

         Selling, General and Administrative Expenses. Selling, general and
administrative expenses decreased $358,000, or 4.9%, from $7.2 million for the
six months ended June 30, 1997 to $6.9 million for the six months ended June 30,
1998. As a percentage of revenues, selling, general and administrative expenses
decreased from 10.8% for the six months ended June 30, 1997 to 8.0% for the six
months ended June 30, 1998. These declines were a result of reductions in
executive and administrative staff and tighter cost controls by management.

         Net Income. Net income increased $263,000, or 30.7% from $858,000 for
the six months ended June 30, 1997 to $1.1 million for the six months ended June
30, 1998 as a result of the items mentioned above.

LIQUIDITY AND CAPITAL RESOURCES OF COMSTOCK HOLDINGS, INC.

         At June 30, 1998, Holdings had working capital of $30.0 million and
cash and cash equivalents of $119,000 as compared to $26.5 million and $1.1
million, respectively, at December 31, 1997. For the six months ended June 30,
1998, the cash flow deficit from operations of $1.9 million was primarily due to
the acceleration of certain projects in New York Commercial Operation.

         At June 30, 1998, Holdings' wholly-owned subsidiary, L.K. Comstock &
Company, Inc. ("L.K. Comstock"), had a $17.0 million revolving credit line
pursuant to two separate agreements with Harris Trust and Savings Bank.
Borrowings bear interest at either 1% over the prime rate or 3.25% over the
London Interbank Offered Rate ("LIBOR"). These borrowings were secured by
substantially all of the assets of L.K. Comstock and were subject to various
financial covenants. Holdings, and to a limited extent, certain members of
Holdings' management, had guaranteed a portion of the borrowings. The total
amount of borrowings outstanding under these credit lines was $15.0 million 


                                       20
<PAGE>   21
at June 30, 1998. There were no outstanding letters of credit at June 30, 1998.
Upon the closing of the IPO, RailWorks assumed the obligations under the credit
line and repaid all outstanding borrowings.

         At June 30, 1998 L.K. Comstock had a $500,000 note payable to BW
Capital. RailWorks assumed this obligation in conjunction with the IPO and
repaid the amount outstanding.

         The contracts under which Holdings performs services generally require
retainage ranging from 2% to 10% of the total contract price until the project
is complete. At June 30, 1998, $15.9 million of Holdings' accounts receivable
consisted of retainage. In some instances, the terms of the contract allow
Holdings to replace the amount withheld with certain marketable securities, such
as treasury bonds, and retain the yield on such investments. At June 30, 1998,
$5.8 million of Holdings retainage was invested in marketable securities.

Item 3.    Quantitative and Qualitative Disclosures About Market Risk

         Not applicable.








                                       21
<PAGE>   22
PART II: OTHER INFORMATION

Item 1.  Legal Proceedings

         None

Item 2.  Changes in Securities and Use of Proceeds

(i)      Use of Proceeds

         In connection with the initial public offering of the Company's Common
Stock (the "Offering"), the Company's Registration Statement (the "Registration
Statement") on Form S-1 (Registration No. 333-53483) was declared effective by
the Securities and Exchange Commission on July 29, 1998. The managing
underwriters were BT Alex. Brown Incorporated, Schroder & Co. Inc. and Piper
Jaffray Inc. The Offering commenced on July 29, 1998, all securities offered
thereby were sold and the Offering has terminated. The securities registered
consisted of 5,000,000 shares (the "Offered Shares") of Common Stock, all of
which were sold for the account of the Company.

         The Offered Shares were sold at a price to the public of $12.00 per
share, for aggregate gross proceeds of $60.0 million. Underwriting discounts
and commissions totaled $4.2 million and other miscellaneous expenses incurred
in connection with the Offering amounted to approximately $2.2 million,
resulting in net offering proceeds of approximately $53.6 million. A portion of
the miscellaneous expenses incurred in connection with the Offering were
financed with borrowings under the Company's credit facility. The proceeds of
the Offering were not received by the Company until August 4, 1998, the closing
date of the Offering, which date is subsequent to the ending date of the period
covered by this Report.

(ii)     Recent Sales of Unregistered Securities

         On August 4, 1998, (i) 8,557,280 shares of Common Stock were issued to
the owners of the Founding Companies for 100% of the outstanding stock of the
Founding Companies, (ii) 1,205,872 shares of Common Stock were issued to the
executive officers of the Company and (iii) 310,368 shares of Common Stock were
issued to IPO Development Company for services rendered in conjunction with the
completion of the Offering. The foregoing issuances were made in reliance on
the exemption from registration under Section 4(2) of the Securities Act of
1933.
         

                                       22
<PAGE>   23
*  Item 3.   Default Upon Senior Securities

             None

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

                  On June 25, 1998, by written consent RailWorks' 1998 Stock
Incentive Plan was approved by the sole stockholder.

                  On May 21, 1998, by written consent, RailWorks' Amended and
Restated Certificate of Incorporation was approved by the sole stockholder.

*  Item 5.   Other Information

             None

*  Item 6.   Exhibits and Reports on Form 8-K

             a)   Exhibit List:

             10.1   Amended and Restated Employment Agreement between RailWorks
                    Corporation and John G. Larkin dated as of August 4, 1998

             10.2   Amended and Restated Employment Agreement between RailWorks
                    Corporation and Michael R. Azarela dated as of August 4, 
                    1998

             10.3   Amended and Restated Employment Agreement between RailWorks
                    Corporation and John Kennedy dated as of August 4, 1998

             10.4   Amended and Restated Employment Agreement between RailWorks
                    Corporation and Harold C. Kropp, Jr. dated as of August 4,
                    1998

             27.1   RailWorks Financial Data Schedule (for SEC filing purposes
                    only)

             b)     Reports
                    Not Applicable




                                       23
<PAGE>   24
                                   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.


                                    RailWorks Corporation


                                    /s/ MICHAEL R. AZARELA
                                    --------------------------------------------
                                    By: Michael R. Azarela
                                        Executive Vice-President and 
                                          Chief Financial Officer


Date: September 11, 1998








                                       24

<PAGE>   1
                                                                    EXHIBIT 10.1


                    AMENDED AND RESTATED EMPLOYMENT AGREEMENT


                  THIS AGREEMENT ("Agreement") is made and entered into as of
this 4th day of August, 1998, by and between John G. Larkin, an individual
resident of the State of Maryland ("Employee"), and Railworks Corporation, a
Delaware corporation (as defined below the "Holding Company").

                               W I T N E S S E T H

                  WHEREAS, the Holding Company has been created for the purpose
of carrying on the businesses of the entities listed on Exhibit A, which is
attached hereto and hereby incorporated by reference herein (the "Founding
Companies") and the Holding Company has completed a public offering (the "IPO")
of its common stock under applicable law;

                  WHEREAS, the Founding Companies desire that the Holding
Company employ the Employee to be the Chief Executive Officer of the Holding
Company on the terms and conditions as contained herein; and

                  WHEREAS, the Employee desires to be so employed by the Holding
Company, on the terms and conditions as contained herein.

                  NOW, THEREFORE, in consideration of the premises and the
mutual promises and agreements contained herein, and other good and valuable
consideration, the receipt and sufficiency of which is hereby acknowledged by
the parties hereto, the parties hereto, intending to be legally bound, hereby
agree as follows:

                  SECTION 1.        EMPLOYMENT.

                  Subject to the terms hereof, Employer will employ Employee and
Employee hereby accepts such employment. The Employee shall serve as the Chief
Executive Officer of the Holding Company and shall be a director of each of the
entities constituting the Founding Companies and shall also serve on any
executive committee which oversees the daily operations of the Holding Company,
or any similar committee having such function.

                  Subject to the terms and conditions of this Agreement,
Employee agrees to devote substantially all of his business time and best
efforts to the performance of his job as Chief Executive Officer of the Holding
Company, subject to direction by the Board of Directors of the Holding Company
(the "Board of Directors"), as long as such directions are consistent with the
<PAGE>   2
duties, responsibilities and authority customarily given or required of chief
executive officers generally, with the Employee to report his activities
regularly to the Board of Directors. Notwithstanding anything to the contrary
contained herein, as of the date of this Agreement, the Employee shall be
permitted to invest in entities that sell, and sell himself, financial services
and products generally; provided that such activities do not interfere with the
performance of his duties under this Agreement and such activities are not in
contravention of the terms and conditions of Section 5 hereof.

                  SECTION 2.        TERM OF EMPLOYMENT.

                  The term of the Employee's employment hereunder (the "Term")
shall be from May 21, 1998 until the occurrence of any of the following events:

         (i)      The death or total disability of Employee (total disability
                  meaning the failure to fully perform his normal required
                  services hereunder for a period of six (6) consecutive months
                  during any consecutive twelve (12) month period during the
                  term hereof, as determined by an independent medical doctor
                  jointly chosen by the Employee and the Employer) by reason of
                  mental or physical disability;

         (ii)     The termination by Employer of Employee's employment
                  hereunder, upon thirty (30) days prior written notice to
                  Employee, for "good cause", as reasonably determined by the
                  Board of Directors. For purposes of this Agreement, "good
                  cause" for termination of Employee's employment shall exist
                  (A) if Employee is convicted of, pleads guilty to or confesses
                  to any felony or any act of fraud, misappropriation or
                  embezzlement, (B) if Employee has engaged in a dishonest act
                  to the material damage or prejudice of Employer or an
                  affiliate of Employer, or in conduct or activities materially
                  damaging to the property, business, or reputation of Employer
                  or an affiliate of Employer, or (C) if Employee violates any
                  of the provisions contained in Section 5 of this Agreement,
                  after receiving written notice from the Employer specifically
                  outlining the alleged violations by the Employee of Section 5
                  hereof and either (1) the Employee fails to stop the alleged
                  behavior which is claimed to be such a breach within thirty
                  (30) days of receipt by the Employee of such written notice or
                  (2) the Employer prevails in mediation or binding arbitration
                  pursuant to the commercial arbitration rules of the American
                  Arbitration Association which arbitration is commenced by the
                  Employee within thirty (30) days of receipt by the Employer of
                  such notice in accordance with the provisions of Section 5.6
                  hereof;




                                        2
<PAGE>   3
         (iii)    The termination by either the Employee or the Employer, upon
                  thirty (30) days written notice to the other party, in the
                  event of a Change of Control of the Employer (as defined
                  hereinbelow).

                           For purposes of this Agreement, a "Change of Control"
                  shall be deemed to have occurred if (A) any "person" (as such
                  term is used in Sections 13(d) and 14(d) of the Securities
                  Exchange Act of 1934, as amended (the "Exchange Act")), other
                  than a trustee or other fiduciary holding securities under an
                  employee benefit plan of the Holding Company, a corporation
                  owned directly or indirectly by the stockholders of the
                  Holding Company (immediately after the IPO) or any of their
                  respective affiliates, becomes the "beneficial owner" (as
                  defined in Rule 13d-3 under the Exchange Act), directly or
                  indirectly, of securities of the Holding Company representing
                  50% or more of the total voting power represented by the
                  Holding Company's then outstanding securities that vote
                  generally in the election of directors (referred to herein as
                  "Voting Securities"); (B) during any period of two consecutive
                  years, individuals who at the beginning of such period
                  constitute the Board of Directors and any new directors whose
                  election by the Board of Directors or nomination for election
                  by the Holding Company's stockholders was approved by a vote
                  or a majority of the directors then still in office who either
                  were directors at the beginning of the period or whose
                  election or nomination for election was previously so
                  approved, cease for any reason to constitute a majority of the
                  Board of Directors; (C) the stockholders of the Holding
                  Company approve a merger or consolidation of the Holding
                  Company with any other corporation, other than a merger or
                  consolidation (i) which would result in the Voting Securities
                  of the Holding Company outstanding immediately prior thereto
                  continuing to represent (either by remaining outstanding or by
                  being converted into Voting Securities of the surviving
                  entity) at least 50% of the total voting power represented by
                  the Voting Securities of the Holding Company or such surviving
                  entity outstanding immediately after such merger or
                  consolidation or (ii) in which 50% or more of the board of
                  directors of the surviving entity is composed of members from
                  the Board of Directors of the Holding Company; (D) the
                  stockholders of the Holding Company approve a plan of complete
                  liquidation of the Holding Company or an agreement for the
                  sale or disposition by the Holding Company of (in one
                  transaction or a series of transactions) all or substantially
                  all of the Holding Company's assets; (E) the executive offices
                  of the Holding Company are relocated from the Greater
                  Baltimore Metropolitan Area or (F) the Employee is not a
                  member of the Board of Directors or is not on any Executive
                  Committee or similar committee of the Board of Directors; or




                                        3
<PAGE>   4
         (iv)     After December 31, 2001, this Agreement shall continue upon a
                  year-to-year basis unless terminated by either the Employer or
                  the Employee upon ninety days (90) written notice to the other
                  before January 1 of the next year.

                  SECTION 3.        COMPENSATION.

                  3.1      Term of Employment. Employer will provide Employee
with the following salary, expense reimbursement and additional employee
benefits during the term of employment hereunder.

                  (a)      Salary. Employee will be paid a salary (the "Base
                           Salary") of no less than Two Hundred Seventy-Five
                           Thousand Dollars ($275,000) per annum, less
                           deductions and withholdings required by applicable
                           law. For the period from March 1, 1998 until August
                           4, 1998, the Base Salary shall be accrued and shall
                           be paid in full to the Employee as promptly as
                           practicable. The Base Salary after the date of this
                           Agreement shall be paid to Employee in equal monthly
                           installments (or on such more frequent basis as other
                           executives of Employer are compensated). The Base
                           Salary shall be reviewed by the Board of Directors of
                           Employer on at least an annual basis thereafter and
                           may be increased but not decreased as a result of any
                           such review.

                  (b)      Performance Bonuses. In addition to the Base Salary,
                           the Employee shall have the right to receive from the
                           Employer, and the Employer shall be obligated to pay
                           to the Employee, a performance bonus (the
                           "Performance Bonus") for each fiscal year during the
                           term of this Agreement, equal to the aggregate amount
                           determined by the bonus formulas delineated herein
                           below. Any amount of a Performance Bonus required to
                           be paid to the Employee for a fiscal year during the
                           term of this Agreement shall be paid by the Employer
                           in the first pay period of the Employer immediately
                           following the finalization of the accounting audit
                           for financial accounting purposes of the Employer for
                           the preceding fiscal year but in all events by March
                           31 of the year immediately following the end of the
                           fiscal year for which such Performance Bonus is
                           attributable.

                           The formulas to determine a Performance Bonus for any
                           fiscal year during the term of this Agreement shall
                           be as follows:

                           (i)      For each fiscal year of the Employer, .5% of
                                    the pre-tax net income, before any
                                    performance or other periodic bonuses for
                                    any


                                        4
<PAGE>   5
                                    of the employees of the Employer and any of
                                    its consolidated subsidiaries, of the
                                    Employer on a consolidated basis for
                                    financial accounting basis based upon
                                    applying generally accepted accounting
                                    principles and generally accepted auditing
                                    standards on a consistent basis. This bonus
                                    shall be calculated by the independent
                                    certified public accountant regularly
                                    employed by the Employer (the "CPA")
                                    applying such generally accepted accounting
                                    principles and generally accepted auditing
                                    standards on a consistent basis.

                                    Plus

                           (ii)     For each fiscal year of the Employer, five
                                    percent (5%) of the excess of (a) the
                                    consolidated after tax net income of the
                                    Employer and its consolidated subsidiaries
                                    for a fiscal year, computed by the CPA
                                    applying generally accepted accounting
                                    principles and generally accepted auditing
                                    standards on a consistent basis over (b) the
                                    Wall Street Estimate (as hereinafter
                                    defined) for such fiscal year. For purposes
                                    of this subsection (ii)(b), Wall Street
                                    Estimate for a fiscal year shall mean the
                                    simple arithmetical average of the
                                    consolidated earnings per share estimates
                                    for a fiscal year of the Employer and its
                                    consolidated subsidiaries in the possession
                                    of First Call on the Determination Date (as
                                    hereinafter defined), translated by the CPA
                                    into the equivalent consolidated after tax
                                    net income of the Employer and its
                                    consolidated subsidiaries for such fiscal
                                    year. For purposes of this subsection
                                    (ii)(b), the Determination Date shall mean
                                    the date the IPO is consummated and
                                    thereafter shall be the first day of the
                                    fiscal year for which such computation
                                    applies.

                  (c)      Discretionary Bonus. The Board of Directors may, from
                           time to time, award the Employee an additional
                           discretionary bonus based upon such factors as the
                           Board of Directors deems appropriate. The Employer
                           shall have no entitlement to such a discretionary
                           bonus until and unless so awarded by the Board of
                           Directors.

                  (d)      Vacation. Employee shall receive four (4) weeks
                           vacation time per calendar year during the term of
                           this Agreement in addition to customary holidays
                           afforded other employees of Employer. Any unused
                           vacation


                                        5
<PAGE>   6
                           days in any calendar year may not be carried over to
                           subsequent years. The Employer recognizes the benefit
                           to it of the Employee attending and participating in
                           trade seminars, conventions, and similar gatherings
                           and educational seminars and encourages the Employee
                           to attend such seminars and conventions. Accordingly,
                           any reasonable cost and expenses thereof will be paid
                           for by the Employer and any time spent by the
                           Employee at such seminars and conventions shall not
                           constitute vacation time but shall constitute part of
                           the Employee's duties under this Agreement.

                  (e)      Expenses. Employer shall reimburse Employee, within
                           thirty (30) days of its receipt of a reimbursement
                           report from the Employee, for all reasonable and
                           necessary expenses incurred by Employee on behalf of
                           Employer.

                  (f)      Benefit Plans. Employee shall have the option of
                           participating in such medical, dental, disability,
                           hospitalization, life insurance, stock option and
                           other benefit plans (such as pension and profit
                           sharing plans) as Employer maintains from time to
                           time for the benefit of other senior executives of
                           Employer, on the terms and subject to the conditions
                           set forth in such plans.

                  3.2      Effect of Termination. Except as hereinafter
provided, upon the termination of the employment of Employee hereunder for any
reason, Employee shall be entitled to all compensation and benefits earned or
accrued under Section 3.1 as of the effective date of termination (the
"Termination Date"), but from and after the Termination Date no additional
compensation or benefits shall be earned by Employee hereunder. Except upon
termination by the Employer of the employment of the Employee pursuant to the
provisions of Section 2(ii) hereof, Employee shall be deemed to have earned any
Performance Bonus payable with respect to the fiscal year in which the
Termination Date occurs on a prorated basis (based on the number of days in such
calendar year through and including the Termination Date divided by 365). Any
such Performance Bonus shall be payable on the date on which the Performance
Bonus would have been paid had Employee continued his employment hereunder. In
addition, the Employee and his eligible dependents shall be entitled to receive
at the sole cost of the Employer (A) the health insurance benefits specified
hereunder for a period of twelve (12) months following the Termination Date (the
"Continuation Period") and following such time period, the Employee shall be
entitled to all rights afforded to him under the Federal Omnibus Reconciliation
Act ("COBRA") to purchase continuation coverage of such health insurance
benefits for himself and his dependents for the maximum period permitted by law,
and the Employee shall be deemed to have elected to exercise his rights under
Cobra as of the first day of




                                        6
<PAGE>   7
the Continuation Period, and (B) the life insurance benefits specified
hereinabove for the period of the Continuation Period.

                  (i)      Upon termination of this Agreement, pursuant to the
                           provisions of Sections 2(i) or (iii) hereof, any
                           stock grants or options previously awarded to the
                           Employee, either by this Agreement or otherwise,
                           shall fully and completely vest and the Employee
                           shall be able to retain or obtain as the case may be,
                           such stock, as though there was no vesting period or
                           criteria of any kind or nature, with respect to such
                           stock. If stock options have previously been awarded
                           to the Employee, notwithstanding any terms and
                           conditions of such award or any plan pursuant to
                           which such stock options were awarded, the Employee
                           or his authorized representative shall have a period
                           of three (3) months from the Termination Date to
                           exercise any or all of such stock options and acquire
                           for his own benefit the shares of stock covered by
                           such stock options.

                  (ii)     Upon termination of the Agreement pursuant to the
                           terms of Section 2(ii) or (iv) hereof, all granted
                           but unvested, at the Termination Date, stock grants
                           or options shall be forfeited upon such termination;
                           provided that the Employee shall be able to retain or
                           exercise any rights for a period of one (1) month
                           after the Termination Date, notwithstanding the terms
                           and provisions of such stock options awarded or the
                           plan under which they were awarded, with respect to
                           any shares of stock granted or shares of stock
                           covered by stock options that have fully vested as of
                           the Termination Date.

                  SECTION 4.        COMMON STOCK.

                  4.1      Term of Employment. So that Employee can share in the
increase in value of the business of Employer over time, Employee will be
granted common stock of Employer as follows:

                  (i)      Stock Grants. Simultaneously with the consummation of
                           the IPO, Employee will be granted that number of
                           shares of all classes of stock of the Holding Company
                           equal to four and one-half (4 1/2%) of the number of
                           shares of all classes of stock of the Holding Company
                           outstanding immediately upon consummation of the IPO.
                           Such shares so granted shall fully and completely
                           vest on the date of issuance.



                                        7
<PAGE>   8
                  (ii)     Stock Splits and Recapitalization. The number of
                           shares of common stock granted hereby shall be
                           automatically adjusted to reflect any change in the
                           capitalization of the Holding Company, including, but
                           not limited to, such changes as stock dividends,
                           stock splits or recapitalizations. If any adjustment
                           under this Section would create the right of Employee
                           to acquire a fractional share of stock, such
                           fractional share shall be disregarded and the number
                           of shares of common stock subject to the grant shall
                           be the next higher number of whole shares of common
                           stock, rounding all fractions upward.

                  4.2      Stock Loan.

                  (i)      In order to help the Employee pay any required income
                           taxes with respect to the stock granted to the
                           Employee pursuant to the provisions of Section 4.1
                           hereof, at any time after the IPO has been
                           consummated, the Employer, upon thirty (30) days
                           written notice from the Employee, shall provide to
                           the Employee a loan (the "Loan") in an amount equal
                           to such income taxes, to be interest only for a
                           period of five (5) years, to require yearly payments
                           of simple interest, at the same interest rate as the
                           Holding Company incurs to borrow funds from its
                           institutional lenders, to be collateralized only by
                           the stock granted and the Employee otherwise will not
                           be personally obligated to repay the Loan; provided
                           that upon the termination of this Agreement pursuant
                           to the provisions of Section 2(i) or (ii), the loan
                           shall be fully paid off within three (3) months of
                           the Termination Date and upon the termination of this
                           Agreement pursuant to Section 2(iii) or (iv) hereof,
                           the Loan shall be fully paid off within one (1) year
                           after the Termination Date.

                  (ii)     To the extent that the Employee has not repaid the
                           entire principal balance of the Loan plus any accrued
                           interest thereon before January 1, 2001, the Employee
                           agrees to sell, as promptly as practicable, a
                           sufficient number of shares of Common Stock to enable
                           the Employee to repay the then remaining outstanding
                           balance (unpaid principal balance and unpaid accrued
                           interest from time to time, the ("Unpaid Balance of
                           the Loan")) of the Loan after any taxes have been
                           provided for (the "Required Number of Shares"),
                           subject to the following conditions and requirements:

                           (A)      Such sales shall be made in a manner which
                                    shall reasonably not disrupt the orderly
                                    trading of Common Stock, either through open
                                    market or privately negotiated transactions
                                    as long as no sales shall



                                        8
<PAGE>   9
                                    be made at a price lower that 1/16 below the
                                    last sales price of Common Stock publicly
                                    traded immediately prior to such sale even
                                    if such prohibition shall cause a delay in
                                    Employee's compliance with his obligation to
                                    sell Common Stock as provided hereinabove;

                           (B)      If after January 1, 2001 the Holding Company
                                    proposes to register any of its securities
                                    under the Securities Act for sale to the
                                    public for its own account or for the
                                    account of other security holders or both,
                                    the Holding Company may, upon 30 days prior
                                    written notice to the Employee, require the
                                    Employee to include the Required Number of
                                    Shares in such offering and to sell such
                                    shares as part of such offering. In such
                                    event, all of the costs of registering the
                                    Required Number of Shares, including but not
                                    limited to, all registration and filing
                                    fees, printing expenses, fees and
                                    disbursements of counsel and independent
                                    public accountants for the Holding Company;
                                    fees of the National Association of
                                    Securities Dealers, Inc., state Blue Sky
                                    fees and expenses, transfer taxes, fees of
                                    transfer agents and registrars and costs of
                                    insurance; and all underwriting discounts
                                    and selling commissions applicable to the
                                    sale of shares other than the Required
                                    Number of Shares, shall be paid by the
                                    Holding Company. Notwithstanding the above,
                                    the Employee shall pay all underwriting
                                    discounts and selling commissions directly
                                    payable with respect to the registration of
                                    the Required Number of Shares; or

                           (C)      If, as of June 1, 2001, Employee has not yet
                                    disposed of the Required Number of Shares,
                                    the Holding Company will repurchase from the
                                    Employee the Required Number of Shares at a
                                    per share price equal to 1/16 lower than the
                                    average of the closing sales price for the
                                    Common Stock as reported on the national
                                    stock exchange on which the Holding
                                    Company's stock trades for a ten (10) day
                                    period prior to the date of such sale to the
                                    Holding Company, provided, however, that
                                    such repurchase shall only be required if it
                                    can be effected in a manner that complies
                                    with all applicable securities laws.


                                        9
<PAGE>   10
                  Notwithstanding anything contained herein to the contrary, the
Employee shall not be required to sell any of the Required Number of Shares
unless the net proceeds paid to the Employee as a result of such shares equals
or exceeds 150% of the IPO Price per share.

                  Nothing in this Section 4.2(ii) shall be construed to require
the Employee to sell common stock except in compliance with all applicable
securities laws. Any delay imposed due to compliance with requirements of
applicable securities laws shall suspend the Employee's obligation to sell
Common Stock as otherwise provided hereinabove.

                  Lastly, notwithstanding anything to the contrary contained in
this Section 4.2(ii), the Employee shall have the right but not the obligation,
at any time and from time to time, to repay the Unpaid Balance of the Loan from
his personal resources.

                  4.3      Securities Act. THE SHARES OF COMMON STOCK (THE
"SHARES") GRANTED PURSUANT TO THIS AGREEMENT HAVE NOT BEEN REGISTERED UNDER THE
SECURITIES ACT OF 1933, AS AMENDED (THE "ACT"), OR ANY APPLICABLE STATE
SECURITIES LAWS, THE SHARES ARE OFFERED PURSUANT TO EXEMPTIONS PROVIDED BY
SECTION 4(2) OF THE ACT AND CERTAIN RULES AND REGULATIONS PROMULGATED PURSUANT
THERETO. THE SHARES MAY NOT BE TRANSFERRED BY THE EMPLOYEE IN THE ABSENCE OF AN
EFFECTIVE REGISTRATION STATEMENT UNDER THE ACT AND ANY APPLICABLE STATE
SECURITIES LAWS OR AN OPINION OF COUNSEL ACCEPTABLE TO EMPLOYER AND ITS COUNSEL,
WHICH ACCEPTANCE SHALL NOT BE UNREASONABLY WITHHELD, THAT SUCH REGISTRATION IS
NOT REQUIRED.

                  At such time as counsel for the Employee, which is acceptable
to the Holding Company, which acceptance shall not be unreasonably withheld,
opines that the aforementioned stock restriction and legend can be removed from
the certificates representing stock granted pursuant to Section 4.1(i) hereof in
accordance with applicable securities law, the Holding Company agrees to delete
any such legend from the certificates representing such shares that have been so
granted.

                  SECTION 5.        PARTIAL RESTRAINT ON COMPETITION.

                  5.1      Definitions. For the purposes of this Section 5, the
following definitions shall apply.

                           (a)      "Company Activities" means the business of
                                    construction and maintenance of railway beds
                                    and tracks; construction and maintenance of
                                    elevated rail systems and structures;
                                    construction




                                       10
<PAGE>   11
                                    and maintenance of railway switching and
                                    signaling equipment, distributorships and
                                    supply in the field of rail and railway
                                    construction materials; distributorships and
                                    supply in the field of electromechanical
                                    controls for use in the railroad industry,
                                    namely, railway switching equipment and
                                    railway signaling equipment; and design for
                                    others in the field of railroad industry,
                                    namely, engineering design of rail and
                                    railway related structures and equipment or
                                    any other business of the Employer and its
                                    consolidated (for financial accounting
                                    purposes) subsidiaries (the "Consolidated
                                    Group") which said entities are engaged in
                                    on the Termination Date as long as such
                                    business generated gross sales of at least
                                    10% or more of the total gross sales of the
                                    Consolidated Group for the most recent
                                    fiscal year of the Employer before or on the
                                    Termination Date.

                                    Company Activities shall not include
                                    investing in entities which sell, or the
                                    provision by the Employee of sales, of
                                    financial services or products of any kind
                                    or nature or consulting with respect to such
                                    sales of such services and/or products
                                    ("Permitted Activity" or "Permitted
                                    Activities").

                           (b)      "Competitor" means any business, individual,
                                    partnership, joint venture, association,
                                    firm, corporation or other entity, other
                                    than the Employer or its affiliates or
                                    subsidiaries, engaged, wholly or partly, in
                                    Company Activities.

                           (c)      "Competitive Position" means (i) having any
                                    financial interest in a Competitor,
                                    including but not limited to, the direct or
                                    indirect ownership or control of all or any
                                    portion of a Competitor, or acting as a
                                    partner, officer, director, principal, agent
                                    or trustee of any Competitor or (ii)
                                    engaging in any employment or independent
                                    contractor arrangement, business or other
                                    activity with any Competitor whereby
                                    Employee will serve such Competitor in any
                                    senior managerial capacity.

                           (d)      "Confidential Information" means any
                                    confidential, proprietary business
                                    information or data belonging to or
                                    pertaining to Employer that does not
                                    constitute a "Trade Secret" (as hereinafter
                                    defined) and that is not generally known by
                                    or available through



                                       11
<PAGE>   12
                                    legal means to the public, including, but
                                    not limited to, information regarding
                                    Employer's customers or actively sought
                                    prospective customers, acquisition targets,
                                    suppliers, manufacturers and distributors
                                    gained by Employee as a result of his
                                    employment with Employer; but shall not
                                    include any information known by the
                                    Employee before March 1, 1998.

                           (e)      "Customer" means actual customers or
                                    actively sought prospective customers of
                                    Employer during the Term.

                           (f)      "Noncompete Period" or "Nonsolicitation
                                    Period" means the period beginning the date
                                    hereof and ending on the second anniversary
                                    of the termination of Employee's employment
                                    with Employer; provided that such Noncompete
                                    Period or Nonsolicitation Period shall end
                                    on the Termination Date in the event this
                                    Agreement is terminated pursuant to the
                                    provisions of Section 2(iii) hereof.

                           (g)      "Territory" means the area within a one
                                    hundred (100) mile radius of any corporate
                                    office or job site of Employer or any of its
                                    subsidiaries, affiliates or divisions.

                           (h)      "Trade Secrets" means information or data of
                                    or about Employer, including but not limited
                                    to technical or non-technical data,
                                    formulas, patterns, compilations, programs,
                                    devices, methods, techniques, drawings,
                                    processes, financial data, financial plans,
                                    products plans, or lists of actual or
                                    potential customers, clients, distributees
                                    or licensees, information concerning
                                    Employer's finances, services, staff,
                                    contemplated acquisitions, marketing
                                    investigations and surveys, that are not
                                    generally known to, and/or are not readily
                                    ascertainable by legal means by, other
                                    persons.

                           (i)      "Work Product" means any and all work
                                    product property, data documentation or
                                    information of any kind prepared, conceived,
                                    discovered, developed or created by Employee
                                    for Employer or its affiliates, or any of
                                    Employer's or its affiliates' clients or
                                    customers for utilization in Company
                                    Activities, not generally known by and/or
                                    not readily ascertainable by proper means by
                                    other persons who can obtain economic value
                                    from their disclosure or use.


                                       12
<PAGE>   13
                  5.2      Trade Name and Confidential Information.

                           (a)      Employee hereby agrees that (i) with regard
                                    to each item constituting all or any portion
                                    of the Trade Secrets and Confidential
                                    Information, at all times during the Term
                                    and all times during which such item
                                    continues to constitute a Trade Secret or
                                    Confidential Information, respectively:

                                    (i)      Employee shall not, directly or by
                                             assisting others own, manage,
                                             operate, join, control or
                                             participate in the ownership,
                                             management, operation or control
                                             of, or be connected in any manner
                                             with, any business conducted under
                                             any corporate or trade name of
                                             Employer or name confusingly
                                             similar thereto, without the prior
                                             written consent of Employer;

                                    (ii)     Employee shall hold in confidence
                                             all Trade Secrets and all
                                             Confidential Information and will
                                             not, either directly or indirectly,
                                             use, sell, lend, lease, distribute,
                                             license, give, transfer, assign,
                                             show, disclose, disseminate,
                                             reproduce, copy, appropriate or
                                             otherwise communicate any Trade
                                             Secrets or Confidential
                                             Information, without the prior
                                             written consent of Employer; and

                                    (iii)    Employee shall immediately notify
                                             Employer of any unauthorized
                                             disclosure or use of any Trade
                                             Secrets or Confidential Information
                                             of which Employee becomes aware.
                                             Employee shall assist Employer, to
                                             the extent necessary, in the
                                             procurement or any protection of
                                             Employer's rights to or in any of
                                             the Trade Secrets or Confidential
                                             Information.

                           (b)      Upon the request of Employer and, in any
                                    event, upon the termination of Employee's
                                    employment with Employer, Employee shall
                                    deliver to Employer all memoranda, notes,
                                    records, manuals and other documents,
                                    including all copies of such materials and
                                    all documentation prepared or produced in
                                    connection therewith, pertaining to the
                                    performance of Employee's services hereunder
                                    or Employer's business or containing Trade
                                    Secrets or Confidential


                                       13
<PAGE>   14
                                    Information, whether made or complied by
                                    Employee or furnished to Employee from
                                    another source by virtue of Employee's
                                    employment with Employer.

                           (c)      To the greatest extent possible, all Work
                                    Product shall be deemed to be "work made for
                                    hire" (as defined in the Copyright Act, 17
                                    U.S.C.A. Sections 101 et seq., as amended)
                                    and owned exclusively by Employer. Employee
                                    hereby unconditionally and irrevocably
                                    transfers and assigns to Employer all
                                    rights, title and interest Employee may have
                                    in or to any and all Work Product,
                                    including, without limitation, all patents,
                                    copyrights, trademarks, service marks and
                                    other intellectual property rights. Employee
                                    agrees to execute and deliver to Employer
                                    any transfers, assignments, documents or
                                    other instruments which Employer may deem
                                    necessary or appropriate to vest complete
                                    title and ownership of any and all such Work
                                    Product, and all rights therein, exclusively
                                    in Employer.

                  5.3      Noncompetition.

                           (a)      The parties hereto acknowledge that Employee
                                    is conducting Company Activities throughout
                                    the Territory. Employee acknowledges that to
                                    protect adequately the interest of Employer
                                    in the business of Employer it is essential
                                    that any noncompete covenant with respect
                                    thereto cover all Company Activities and the
                                    entire Territory.

                           (b)      Employee hereby agrees that, during the Term
                                    and the Noncompete Period, Employee will
                                    not, in the Territory, either directly or
                                    indirectly, alone or in conjunction with any
                                    other party, accept, enter into or take any
                                    action in conjunction with or in furtherance
                                    of a Competitive Position with Employer.
                                    Employee shall notify Employer promptly in
                                    writing if Employee receives an offer of a
                                    Competitive Position during the Noncompete
                                    Term, and such notice shall describe all
                                    material terms of such offer.

                  Nothing contained in this Section 5 shall prohibit Employee
from acquiring not more than five percent (5%) of any Competitor, or from
acquiring any percentage of any company which is non-competitive with Employer,
whose common stock is publicly traded on a


                                       14
<PAGE>   15
national securities exchange or in the over-the-counter market or from engaging
in Permitted Activities.

                  5.4      Nonsolicitation During Employment Term. Employee
hereby agrees that Employee will not, during the Term, either directly or
indirectly, alone or in conjunction with any other party:

                           (a)      solicit, divert or appropriate or attempt to
                                    solicit, divert or appropriate, any Customer
                                    for the purpose of providing the Customer
                                    with services or products competitive with
                                    those offered by Employer during the Term,
                                    other than a Permitted Activity, or

                           (b)      solicit or attempt to solicit any officer,
                                    director, employee, consultant, contractor,
                                    agent, lessor, lessee, licensor, licensee,
                                    supplier or any shareholder of any of the
                                    Founding Companies or other personnel of
                                    Employer or any of its affiliates or
                                    subsidiaries to terminate, alter or lessen
                                    that party's affiliation with Employer or
                                    such affiliate or subsidiary or to violate
                                    the terms of any agreement or understanding
                                    between such employee, consultant,
                                    contractor or other person and Employer.

                  5.5      Nonsolicitation During Nonsolicitation Period.
Employee hereby agrees that Employee will not, during the Nonsolicitation
Period, either directly or indirectly, alone or in conjunction with any other
party:

                           (a)      solicit, divert or appropriate or attempt to
                                    solicit, divert or appropriate, any Customer
                                    for the purpose of providing the Customer
                                    with services or products that qualify as
                                    Company Activities during the Term;
                                    provided, however, that the covenant in this
                                    clause shall limit Employee's conduct only
                                    with respect to those Customers with whom
                                    Employee had substantial contact (through
                                    direct or supervisory interaction with the
                                    Customer or the Customer's account) during a
                                    period of time up to but no greater than two
                                    (2) years prior to the last day of the Term;
                                    or

                           (b)      solicit or attempt to solicit any officer,
                                    director, employee, consultant, contractor,
                                    agent, lessor, lessee, licensor, licensee,
                                    supplier or any shareholder of any of the
                                    Founding Companies or other personnel of
                                    Employer or any of its affiliates or
                                    subsidiaries


                                       15
<PAGE>   16
                                    residing at the time of the solicitation in
                                    the Territory to terminate, alter or lessen
                                    that party's affiliation with Employer or
                                    such affiliate or subsidiary or to violate
                                    the terms of any agreement or understanding
                                    between such employee, consultant,
                                    contractor or other person and Employer,
                                    other than with respect to Permitted
                                    Activities. For purposes of this clause (b),
                                    employees, consultants, contractors, or
                                    other personnel are those with knowledge of
                                    or access to Trade Secrets and Confidential
                                    Information of the Employer.

                  5.6      Binding Arbitration. The parties shall refer any
dispute as to whether or not the Employee has violated the provisions of this
Section 5 to a mediator and, in the event that mediation is unsuccessful, such
dispute shall be resolved by binding arbitration in accordance with the
Commercial Arbitration Rules of the American Arbitration Association. The
arbitrator shall be selected by the mediator. The cost of the mediator and, if
necessary, the arbitrator and all other costs of the mediation and, if
necessary, the arbitration shall be split equally between the Employee and the
Employer, except for attorneys fees which shall be paid by the party employing
such attorney.

                  SECTION 6.        MISCELLANEOUS.

                  6.1      Severability. The covenants in this Agreement shall
be construed as covenants independent of one another and as obligations distinct
from any other contract between Employee and Employer.

                  6.2      Survival of Obligations. The covenants in Section 5
of this Agreement shall survive termination of Employee's employment, except in
the case of termination of this Agreement pursuant to the provisions of Section
2(iii) hereof, in which case they shall terminate also and have no further force
or legal effect as of the Termination Date.

                  6.3      Notices. Any notice or other document to be given
hereunder by any party hereto to any other party hereto shall be in writing and
delivered in person or by courier, by telescopy transmission or sent by any
express mail service, postage or fees prepaid at the following addresses:

                  HOLDING COMPANY

                  RailWorks Corporation
                  c/o L.K. Comstock & Company, Inc.
                  One North Lexington Avenue



                                       16
<PAGE>   17
                  White Plains, New York 10601
                  Attention: RailWorks Chief Executive Officer
                  Telecopy No.: (914) 285-9879

                  EMPLOYEE

                  Mr. John G. Larkin
                  403 Somerset Road
                  Baltimore, Maryland 21210

or at such other address or number for a party as shall be specified by like
notice. Any notice which is delivered in the manner provided herein shall be
deemed to have been duly given to the party to whom it is directed upon actual
receipt by such party or its agent.

                  6.4      Binding Effect. This Agreement inures to the benefit
of, and is binding upon, Employer and their respective successors and assigns,
and Employee, together with Employee's executor, administrator, personal
representative, heirs, and legatees.

                  6.5      Entire Agreement. This Agreement is intended by the
parties hereto to be the final expression of their agreement with respect to the
subject matter hereof and is the complete and exclusive statement of the terms
thereof, notwithstanding any representations, statements or agreements to the
contrary heretofore made. This Agreement supersedes and terminates all prior
employment and compensation agreements, arrangements and understandings between
or among Employer and Employee. This Agreement may be modified only by a written
instrument signed by all of the parties hereto.

                  6.6      Governing Law. This Agreement shall be deemed to be
made in, and in all respects shall be interpreted, construed, and governed by
and in accordance with, the laws of the State of Maryland. No provision of this
Agreement shall be construed against or interpreted to the disadvantage of any
party hereto by any court of other governmental or judicial authority or by any
board of arbitrators by reasons of such party or its counsel having or being
deemed to have structured or drafted such provision.

                  6.7      Headings. The section and paragraph headings
contained in this Agreement are for reference purposes only and shall not affect
in any way the meaning or interpretation of this Agreement.

                  6.8      Specific Performance. Each party hereby agrees that
any remedy at law for any breach of provisions contained in this Agreement shall
be inadequate and that the other parties hereto shall be entitled to specific
performance and any other appropriate injunctive relief in addition to any other
remedy such party might have under this Agreement or at law or in equity.

                  6.9      Counterparts. This Agreement may be executed in two
or more counterparts, each of which shall be deemed to be an original but all of
which together shall constitute one and the same instrument.

                  6.10     Other Employment Agreements. Without the prior
written consent of Employee, no person that is subsequently hired by RailWorks
in a position comparable to the position held by Employee shall be offered an
employment agreement that contain benefits that are more favorable to such
person than the terms contained herein.


                                       17
<PAGE>   18
                  IN WITNESS WHEREOF, the parties hereto have executed this
Agreement as of the date first above written.


                                    HOLDING COMPANY

                                    RAILWORKS CORPORATION



                                    By:  /s/ Michael R. Azarela           (SEAL)
                                         ---------------------------------
                                         Name: Michael R. Azarela     
                                         Title: Chief Financial Officer


                                    EMPLOYEE



                                    /s/ John G. Larkin                    (SEAL)
                                    --------------------------------------
                                    John G. Larkin





                                       18
<PAGE>   19
                                    EXHIBIT A


Annex Railroad Builders, Inc.
Mize Construction Company
Railroad Specialties, Inc.
U.S. Railway Supply, Inc.
Comtrak Construction, Inc.
Condon Brothers, Inc.
HP McGinley, Inc.
Kennedy Railroad Builders, Inc.
Alpha-Keystone Engineering, Inc.
Railcorp, Inc.
Merit Railroad Contractors, Inc.
Midwest Construction Services, Inc.
New England Railroad Construction Co.
Comstock Holdings, Inc.
Railroad Service, Inc.
Minnesota Railroad Service, Inc.
Southern Indiana Wood Preserving Co.
U.S. Trackworks, Inc.
Northern Rail Service & Supply Co.
W.A. Smith Construction Co., Inc.
W.A. Smith Rerailing Serviceds, Inc.
CPI Concrete Products, Inc.








                                       19

<PAGE>   1
                                                                    EXHIBIT 10.2


                 AMENDED AND RESTATED EMPLOYMENT AGREEMENT


                  THIS AGREEMENT ("Agreement") is made and entered into as of
this 4th day of August, 1998, by and between Michael R. Azarela, an individual
resident of the State of New York ("Employee"), and RailWorks Corporation, a
Delaware corporation (as defined below, the "Holding Company").

                               W I T N E S S E T H

                  WHEREAS, the Holding Company has been created for the purpose
of carrying on the businesses of the entities listed on Exhibit A, which is
attached hereto and hereby incorporated by reference herein (the "Founding
Companies"), and the Holding Company has completed a public offering (the "IPO")
of its common stock under applicable law.

                  WHEREAS, the Employee has substantial experience advising
entities that are in the same businesses as the Founding Companies, and has
substantial managerial experience;

                  WHEREAS, the Founding Companies desire that the Holding
Company employ the Employee to be the Executive Vice President and Chief
Financial Officer of the Holding Company on the terms and conditions as
contained herein; and

                  WHEREAS, the Employee desires to be so employed by the Holding
Company, on the terms and conditions as contained herein.

                  NOW, THEREFORE, in consideration of the premises and the
mutual promises and agreements contained herein, and other good and valuable
consideration, the receipt and sufficiency of which is hereby acknowledged by
the parties hereto, the parties hereto, intending to be legally bound, hereby
agree as follows:

                  SECTION 1.        EMPLOYMENT.

                  Subject to the terms hereof, Employer will employ Employee and
Employee hereby accepts such employment. The Employee shall serve as the
Executive Vice President and Chief Financial Officer of the Holding Company and
shall be a director of the Holding Company.

<PAGE>   2
                  Subject to the terms and conditions of this Agreement, from
the date hereof, Employee agrees to devote substantially all of his business
time and best efforts to the performance of his job as Executive Vice President
and Chief Financial Officer of the Holding Company, subject to direction by the
Board of Directors of the Holding Company (the "Board of Directors"), as long as
such directions are consistent with the duties, responsibilities and authority
customarily given or required of chief financial officers generally, with the
Employee to report his activities regularly to the Board of Directors.

                  SECTION 2.        TERM OF EMPLOYMENT. The term of the 
Employee's employment hereunder (the "Term") shall be from May 21, 1998 until
the occurrence of any of the following events:

         (i)      The death or total disability of Employee (total disability
                  meaning the failure to fully perform his normal required
                  services hereunder for a period of six (6) consecutive months
                  during any consecutive twelve (12) month period during the
                  term hereof, as determined by an independent medical doctor
                  jointly chosen by the Employee and the Employer) by reason of
                  mental or physical disability;

         (ii)     The termination by Employer of Employee's employment
                  hereunder, upon thirty (30) days prior written notice to
                  Employee, for "good cause", as reasonably determined by the
                  Board of Directors. For purposes of this Agreement, "good
                  cause" for termination of Employee's employment shall exist
                  (A) if Employee is convicted of, pleads guilty to or confesses
                  to any felony or any act of fraud, misappropriation or
                  embezzlement, (B) if Employee has engaged in a dishonest act
                  to the material damage or prejudice of Employer or an
                  affiliate of Employer, or in conduct or activities materially
                  damaging to the property, business, or reputation of Employer
                  or an affiliate of Employer, or (C) if Employee violates any
                  of the provisions contained in Section 5 of this Agreement,
                  after receiving written notice from the Employer specifically
                  outlining the alleged violations by the Employee of Section 5
                  hereof and either (1) the Employee fails to stop the alleged
                  behavior which is claimed to be such a breach within thirty
                  (30) days of receipt by the Employee of such written notice or
                  (2) the Employer prevails in mediation or binding arbitration
                  pursuant to the commercial arbitration rules of the American
                  Arbitration Association which arbitration is commenced by the
                  Employee within thirty (30) days of receipt by the Employer of
                  such notice in accordance with the provisions of Section 5.6
                  hereof;

         (iii)    The termination by either the Employee or the Employer, upon
                  thirty (30) days written notice to the other party, in the
                  event of a Change of Control of the Employer (as defined
                  hereinbelow).


                                        2
<PAGE>   3
                           For purposes of this Agreement, a "Change of Control"
                  shall be deemed to have occurred if (A) any "person" (as such
                  term is used in Sections 13(d) and 14(d) of the Securities
                  Exchange Act of 1934, as amended (the "Exchange Act")), other
                  than a trustee or other fiduciary holding securities under an
                  employee benefit plan of the Holding Company, a corporation
                  owned directly or indirectly by the stockholders of the
                  Holding Company (immediately after the IPO) or any of their
                  respective affiliates, becomes the "beneficial owner" (as
                  defined in Rule 13d-3 under the Exchange Act), directly or
                  indirectly, of securities of the Holding Company representing
                  50% or more of the total voting power represented by the
                  Holding Company's then outstanding securities that vote
                  generally in the election of directors (referred to herein as
                  "Voting Securities"); (B) during any period of two consecutive
                  years, individuals who at the beginning of such period
                  constitute the Board of Directors and any new directors whose
                  election by the Board of Directors or nomination for election
                  by the Holding Company's stockholders was approved by a vote
                  or a majority of the directors then still in office who either
                  were directors at the beginning of the period or whose
                  election or nomination for election was previously so
                  approved, cease for any reason to constitute a majority of the
                  Board of Directors; (C) the stockholders of the Holding
                  Company approve a merger or consolidation of the Holding
                  Company with any other corporation, other than a merger or
                  consolidation (i) which would result in the Voting Securities
                  of the Holding Company outstanding immediately prior thereto
                  continuing to represent (either by remaining outstanding or by
                  being converted into Voting Securities of the surviving
                  entity) at least 50% of the total voting power represented by
                  the Voting Securities of the Holding Company or such surviving
                  entity outstanding immediately after such merger or
                  consolidation or (ii) in which 50% or more of the board of
                  directors of the surviving entity is composed of members from
                  the Board of Directors of the Holding Company; (D) the
                  stockholders of the Holding Company approve a plan of complete
                  liquidation of the Holding Company or an agreement for the
                  sale or disposition by the Holding Company of (in one
                  transaction or a series of transactions) all or substantially
                  all of the Holding Company's assets; (E) the executive offices
                  of the Holding Company are relocated from the Greater
                  Baltimore Metropolitan Area or (F) the Employee is not a
                  member of the Board of Directors or is not on any Executive
                  Committee or similar committee of the Board of Directors; or

         (iv)     After December 31, 2001, this Agreement shall continue upon a
                  year-to-year basis unless terminated by either the Employer or
                  the Employee upon ninety days (90) written notice to the other
                  before January 1 of the next year.


                                        3
<PAGE>   4
                  SECTION 3.        COMPENSATION.

                  3.1      Term of Employment. Employer will provide Employee
with the following salary, expense reimbursement and additional employee
benefits during the term of employment hereunder.

                  (a)      Salary. From the date of this Agreement, Employee
                           will be paid a salary (the "Base Salary") of no less
                           than Two Hundred Thousand Dollars ($200,000) per
                           annum, less deductions and withholdings required by
                           applicable law. The Base Salary shall be paid to
                           Employee in equal monthly installments (or on such
                           more frequent basis as other executives of Employer
                           are compensated). The Base Salary shall be reviewed
                           by the Board of Directors of Employer on at least an
                           annual basis thereafter and may be increased but not
                           decreased as a result of any such review.

                  (b)      Performance Bonuses. In addition to the Base Salary,
                           the Employee shall have the right to receive from the
                           Employer, and the Employer shall be obligated to pay
                           to the Employee, a performance bonus (the
                           "Performance Bonus") for each fiscal year during the
                           term of this Agreement, equal to the aggregate amount
                           determined by the bonus formulas delineated herein
                           below. Any amount of a Performance Bonus required to
                           be paid to the Employee for a fiscal year during the
                           term of this Agreement shall be paid by the Employer
                           in the first pay period of the Employer immediately
                           following the finalization of the accounting audit
                           for financial accounting purposes of the Employer for
                           the preceding fiscal year but in all events by March
                           31 of the year immediately following the end of the
                           fiscal year for which such Performance Bonus is
                           attributable.

                           The formulas to determine a Performance Bonus for any
                           fiscal year during the term of this Agreement shall
                           be as follows:

                           (i)      For each fiscal year of the Employer, .2% of
                                    the pre-tax net income, before any
                                    performance or other periodic bonuses for
                                    any of the employees of the Employer and any
                                    of its consolidated subsidiaries, of the
                                    Employer on a consolidated basis for
                                    financial accounting basis based upon
                                    applying generally accepted accounting
                                    principles and generally accepted auditing
                                    standards on a consistent basis. This bonus
                                    shall be calculated by the independent
                                    certified public accountant regularly
                                    employed by the Employer (the "CPA")
                                    applying such generally accepted


                                        4
<PAGE>   5
                                    accounting principles and generally accepted
                                    auditing standards on a consistent basis.

                                    Plus

                           (ii)     For each fiscal year of the Employer, two
                                    percent (2%) of the excess of (a) the
                                    consolidated after tax net income of the
                                    Employer and its consolidated subsidiaries
                                    for a fiscal year, computed by the CPA
                                    applying generally accepted accounting
                                    principles and generally accepted auditing
                                    standards on a consistent basis over (b) the
                                    Wall Street Estimate (as hereinafter
                                    defined) for such fiscal year. For purposes
                                    of this subsection (ii)(b), Wall Street
                                    Estimate for a fiscal year shall mean the
                                    simple arithmetical average of the
                                    consolidated earnings per share estimates
                                    for a fiscal year of the Employer and its
                                    consolidated subsidiaries in the possession
                                    of First Call on the Determination Date (as
                                    hereinafter defined), translated by the CPA
                                    into the equivalent consolidated after tax
                                    net income of the Employer and its
                                    consolidated subsidiaries for such fiscal
                                    year. For purposes of this subsection
                                    (ii)(b), the Determination Date shall mean
                                    the date the IPO is consummated and
                                    thereafter shall be the first day of the
                                    fiscal year for which such computation
                                    applies.

                  (c)      Discretionary Bonus. The Board of Directors may, from
                           time to time, award the Employee an additional
                           discretionary bonus based upon such factors as the
                           Board of Directors deems appropriate. The Employer
                           shall have no entitlement to such a discretionary
                           bonus until and unless so awarded by the Board of
                           Directors.

                  (d)      Vacation. Employee shall receive four (4) weeks
                           vacation time per calendar year during the term of
                           this Agreement in addition to customary holidays
                           afforded other employees of Employer. Any unused
                           vacation days in any calendar year may not be carried
                           over to subsequent years. The Employer recognizes the
                           benefit to it of the Employee attending and
                           participating in trade seminars, conventions, and
                           similar gatherings and educational seminars and
                           encourages the Employee to attend such seminars and
                           conventions. Accordingly, any reasonable cost and
                           expenses thereof will be paid for by the Employer and
                           any time spent by the Employee at such seminars and
                           conventions shall not constitute vacation


                                        5
<PAGE>   6
                           time but shall constitute part of the Employee's
                           duties under this Agreement.

                  (e)      Expenses. Employer shall reimburse Employee, within
                           thirty (30) days of its receipt of a reimbursement
                           report from the Employee, for all reasonable and
                           necessary expenses incurred by Employee on behalf of
                           Employer.

                  (f)      Benefit Plans. Employee shall have the option of
                           participating in such medical, dental, disability,
                           hospitalization, life insurance, stock option and
                           other benefit plans (such as pension and profit
                           sharing plans) as Employer maintains from time to
                           time for the benefit of other senior executives of
                           Employer, on the terms and subject to the conditions
                           set forth in such plans.

                  (g)      Relocation. In addition to other compensation and
                           reimbursement of expenses required to be paid under
                           this Agreement, Employer shall reimburse Employee
                           within ten (10) days of submission of a reimbursement
                           report:

                           (A)      Any and all of his out-of-pocket expenses of
                                    any kind or nature, incurred by Employee
                                    relating to the relocation ("Relocation") of
                                    Employee and/or his family from the New York
                                    City Metropolitan area to the Baltimore
                                    Metropolitan area including, but not limited
                                    to:

                                    I.       Packing, storage and professional
                                             mover costs relating to the
                                             furniture, clothing, household
                                             belongings and other personal
                                             property of Employee and his
                                             family.

                                    II.      Travel expenses incurred by
                                             Employee and his family in
                                             connection with commuting to and
                                             from New York and Maryland relating
                                             to searching for a new residence
                                             ("Maryland Home") in Maryland and
                                             the sale of Employee's existing
                                             home ("New York Home") in New York.

                                    III.     Real estate commissions paid
                                             relating to the sale of the New
                                             York Home.


                                        6
<PAGE>   7
                                    IV.      Mortgage application, points, fees,
                                             charges, appraisal, attorney fees
                                             of the mortgage lender, title
                                             insurance, survey, and all other
                                             costs and expenses associated with
                                             obtaining a loan and mortgage and
                                             the purchase of the Maryland Home.

                                    V.       Attorney fees incurred by Employee
                                             relating to the sale of the New
                                             York Home and purchase of the
                                             Maryland Home.

                           (B)      Temporary housing costs in Maryland for
                                    Employee and/or his family pending
                                    completion of the Relocation, for a period
                                    not exceeding six months from the effective
                                    date of the IPO.

                  3.2      Effect of Termination. Except as hereinafter
provided, upon the termination of the employment of Employee hereunder for any
reason, Employee shall be entitled to all compensation and benefits earned or
accrued under Section 3.1 as of the effective date of termination (the
"Termination Date"), but from and after the Termination Date no additional
compensation or benefits shall be earned by Employee hereunder. Except upon
termination by the Employer of the employment of the Employee pursuant to the
provisions of Section 2(ii) hereof, Employee shall be deemed to have earned any
Performance Bonus payable with respect to the fiscal year in which the
Termination Date occurs on a prorated basis (based on the number of days in such
calendar year through and including the Termination Date divided by 365). Any
such Performance Bonus shall be payable on the date on which the Performance
Bonus would have been paid had Employee continued his employment hereunder. In
addition, the Employee and his eligible dependents shall be entitled to receive
at the sole cost of the Employer (A) the health insurance benefits specified
hereunder for a period of twelve (12) months following the Termination Date (the
"Continuation Period") and following such time period, the Employee shall be
entitled to all rights afforded to him under the Federal Omnibus Reconciliation
Act ("COBRA") to purchase continuation coverage of such health insurance
benefits for himself and his dependents for the maximum period permitted by law,
and the Employee shall be deemed to have elected to exercise his rights under
Cobra as of the first day of the Continuation Period, and (B) the life insurance
benefits specified hereinabove for the period of the Continuation Period.

                  (i)      Upon termination of this Agreement, pursuant to the
provisions of Sections 2 (i) or (iii) hereof, any stock grants or options
previously awarded to the Employee, either by this Agreement or otherwise, shall
fully and completely vest and the Employee shall be able to retain or obtain as
the case may be, such stock, as though there was no vesting period or criteria
of any kind or nature, with respect to such stock. If stock options have
previously been awarded to the Employee, notwithstanding any terms and
conditions of such award or any plan


                                        7
<PAGE>   8
pursuant to which such stock options were awarded, the Employee or his
authorized representative shall have a period of three (3) months from the
Termination Date to exercise any or all of such stock options and acquire for
his own benefit the shares of stock covered by such stock options.

                  (ii)     Upon termination of the Agreement pursuant to the
terms of Section 2(ii) or (iv) hereof, all granted but unvested, at the
Termination Date, stock grants or options shall be forfeited upon such
termination; provided that the Employee shall be able to retain or exercise any
rights for a period of one (1) month after the Termination Date, notwithstanding
the terms and provisions of such stock options awarded or the plan under which
they were awarded, with respect to any shares of stock granted or shares of
stock covered by stock options that have fully vested as of the Termination
Date.

                  SECTION 4.        COMMON STOCK.

                  4.1.     Term of Employment. So that Employee can share in the
increase in value of the business of Employer over time, Employee will be
granted common stock of Employer as follows:

                  (i)      Stock Grant. Simultaneously with the consummation of
                           the IPO, Employee will be granted that number of
                           shares of all classes of stock of the Holding Company
                           equal to one percent (1.0%) of the number of shares
                           of all classes of stock of the Holding Company
                           outstanding immediately upon consummation of the IPO.
                           Such shares so granted shall fully and completely
                           vest on the date of issuance.

                  (ii)     Stock Splits and Recapitalization. The number of
                           shares of common stock granted hereby shall be
                           automatically adjusted to reflect any change in the
                           capitalization of the Holding Company, including, but
                           not limited to, such changes as stock dividends,
                           stock splits or recapitalizations. If any adjustment
                           under this Section would create the right of Employee
                           to acquire a fractional share of stock, such
                           fractional share shall be disregarded and the number
                           of shares of common stock subject to the grant shall
                           be the next higher number of whole shares of common
                           stock, rounding all fractions upward.

                  4.2      Stock Loan.

                  (i)      In order to help the Employee pay any required income
                           taxes with respect to the stock granted to the
                           Employee pursuant to the provisions of Section


                                        8
<PAGE>   9
                           4.1 hereof, at any time after the IPO has been
                           consummated, the Employer, upon thirty (30) days
                           written notice from the Employee, shall provide to
                           the Employee a loan (the "Loan") in an amount equal
                           to such income taxes, to be interest only for a
                           period of five (5) years, to require yearly payments
                           of simple interest at the same interest rate as the
                           Holding Company incurs to borrow funds from its
                           institutional lenders, to be collateralized only by
                           the stock granted and the Employee otherwise will not
                           be personally obligated to repay the Loan; provided
                           that upon the termination of this Agreement pursuant
                           to the provisions of Section 2(i) or (ii), the loan
                           shall be fully paid off within three (3) months of
                           the Termination Date and upon the termination of this
                           Agreement pursuant to Sections 2 (iii) or (iv),
                           hereof, the Loan shall be fully paid off within one
                           (1) year after the Termination Date.

                  (ii)     To the extent that the Employee has not repaid the
                           entire principal balance of the Loan plus any accrued
                           interest thereon before January 1, 2001, the Employee
                           agrees to sell, as promptly as practicable, a
                           sufficient number of shares of Common Stock to enable
                           the Employee to repay the then remaining outstanding
                           balance (unpaid principal balance and unpaid accrued
                           interest from time to time, the ("Unpaid Balance of
                           the Loan")) of the Loan after any taxes have been
                           provided for (the "Required Number of Shares"),
                           subject to the following conditions and requirements:

                           (A)      Such sales shall be made in a manner which
                                    shall reasonably not disrupt the orderly
                                    trading of Common Stock, either through open
                                    market or privately negotiated transactions
                                    as long as no sales shall be made at a price
                                    lower that 1/16 below the last sales price
                                    of Common Stock publicly traded immediately
                                    prior to such sale even if such prohibition
                                    shall cause a delay in Employee's compliance
                                    with his obligation to sell Common Stock as
                                    provided hereinabove;

                           (B)      If after January 1, 2001 the Holding Company
                                    proposes to register any of its securities
                                    under the Securities Act for sale to the
                                    public for its own account or for the
                                    account of other security holders or both,
                                    the Holding Company may, upon 30 days prior
                                    written notice to the Employee, require the
                                    Employee to include the Required Number of
                                    Shares in such offering and to sell such
                                    shares as part of such offering. In such
                                    event, all of the costs of registering the


                                        9
<PAGE>   10
                                    Required Number of Shares, including but not
                                    limited to, all registration and filing
                                    fees, printing expenses, fees and
                                    disbursements of counsel and independent
                                    public accountants for the Holding Company;
                                    fees of the National Association of
                                    Securities Dealers, Inc., state Blue Sky
                                    fees and expenses, transfer taxes, fees of
                                    transfer agents and registrars and costs of
                                    insurance; and all underwriting discounts
                                    and selling commissions applicable to the
                                    sale of shares other than the Required
                                    Number of Shares, shall be paid by the
                                    Holding Company. Notwithstanding the above,
                                    the Employee shall pay all underwriting
                                    discounts and selling commissions directly
                                    payable with respect to the registration of
                                    the Required Number of Shares; or

                           (C)      If, as of June 1, 2001, Employee has not yet
                                    disposed of the Required Number of Shares,
                                    the Holding Company will repurchase from the
                                    Employee the Required Number of Shares at a
                                    per share price equal to 1/16 lower than the
                                    average of the closing sales price for the
                                    Common Stock as reported on the national
                                    stock exchange on which the Holding
                                    Company's stock trades for a ten (10) day
                                    period prior to the date of such sale to the
                                    Holding Company, provided, however, that
                                    such repurchase shall only be required if it
                                    can be effected in a manner that complies
                                    with all applicable securities laws.

                  Notwithstanding anything contained herein to the contrary, the
Employee shall not be required to sell any of the Required Number of Shares
unless the net proceeds paid to the Employee as a result of such shares equals
or exceeds 150% of the IPO Price per share.

                  Nothing in this Section 4.2(ii) shall be construed to require
the Employee to sell common stock except in compliance with all applicable
securities laws. Any delay imposed due to compliance with requirements of
applicable securities laws shall suspend the Employee's obligation to sell
Common Stock as otherwise provided hereinabove.

                  Lastly, notwithstanding anything to the contrary contained in
this Section 4.2(ii), the Employee shall have the right but not the obligation,
at any time and from time to time, to repay the Unpaid Balance of the Loan from
his personal resources.

                  4.3      Securities Act. THE SHARES OF COMMON STOCK (THE
"SHARES") GRANTED PURSUANT TO THIS AGREEMENT HAVE NOT BEEN REGISTERED UNDER THE
SECURITIES ACT OF 1933, AS AMENDED (THE "ACT"), OR


                                       10
<PAGE>   11
ANY APPLICABLE STATE SECURITIES LAWS, THE SHARES ARE OFFERED PURSUANT TO
EXEMPTIONS PROVIDED BY SECTION 4(2) OF THE ACT AND CERTAIN RULES AND REGULATIONS
PROMULGATED PURSUANT THERETO. THE SHARES MAY NOT BE TRANSFERRED BY THE EMPLOYEE
IN THE ABSENCE OF AN EFFECTIVE REGISTRATION STATEMENT UNDER THE ACT AND ANY
APPLICABLE STATE SECURITIES LAWS OR AN OPINION OF COUNSEL ACCEPTABLE TO EMPLOYER
AND ITS COUNSEL, WHICH ACCEPTANCE SHALL NOT BE UNREASONABLY WITHHELD, THAT SUCH
REGISTRATION IS NOT REQUIRED.

                  At such time as counsel for the Employee, which is acceptable
to the Holding Company, which acceptance shall not be unreasonably withheld,
opines that the aforementioned stock restriction and legend can be removed from
the certificates representing stock granted pursuant to Section 4.1(i) hereof in
accordance with applicable securities law, the Holding Company agrees to delete
any such legend from the certificates representing such shares that have been so
granted.

                  SECTION 5.        PARTIAL RESTRAINT ON COMPETITION.

                  5.1      Definitions. For the purposes of this Section 5, the
following definitions shall apply.

                           (a)      "Company Activities" means the business of
                                    construction and maintenance of railway beds
                                    and tracks; construction and maintenance of
                                    elevated rail systems and structures;
                                    construction and maintenance of railway
                                    switching and signaling equipment,
                                    distributorships and supply in the field of
                                    rail and railway construction materials;
                                    distributorships and supply in the field of
                                    electromechanical controls for use in the
                                    railroad industry, namely, railway switching
                                    equipment and railway signaling equipment;
                                    and design for others in the field of
                                    railroad industry, namely, engineering
                                    design of rail and railway related
                                    structures and equipment or any other
                                    business of the Employer and its
                                    consolidated (for financial accounting
                                    purposes) subsidiaries (the "Consolidated
                                    Group") which said entities are engaged in
                                    on the Termination Date as long as such
                                    business generated gross sales of at least
                                    10% or more of the total gross sales of the
                                    Consolidated Group for the most recent
                                    fiscal year of the Employer before or on the
                                    Termination Date.


                                       11
<PAGE>   12
                           (b)      "Competitor" means any business, individual,
                                    partnership, joint venture, association,
                                    firm, corporation or other entity, other
                                    than the Employer or its affiliates or
                                    subsidiaries, engaged, wholly or partly, in
                                    Company Activities.

                           (c)      "Competitive Position" means (i) having any
                                    financial interest in a Competitor,
                                    including but not limited to, the direct or
                                    indirect ownership or control of all or any
                                    portion of a Competitor, or acting as a
                                    partner, officer, director, principal, agent
                                    or trustee of any Competitor or (ii)
                                    engaging in any employment or independent
                                    contractor arrangement, business or other
                                    activity with any Competitor whereby
                                    Employee will serve such Competitor in any
                                    senior managerial capacity.

                           (d)      "Confidential Information" means any
                                    confidential, proprietary business
                                    information or data belonging to or
                                    pertaining to Employer that does not
                                    constitute a "Trade Secret" (as hereinafter
                                    defined) and that is not generally known by
                                    or available through legal means to the
                                    public, including, but not limited to,
                                    information regarding Employer's customers
                                    or actively sought prospective customers,
                                    acquisition targets, suppliers,
                                    manufacturers and distributors gained by
                                    Employee as a result of his employment with
                                    Employer. Information shall be excluded from
                                    this definition if (i) it, at the time of
                                    disclosure, is generally known to the trade
                                    or public, (ii) it becomes at a later date
                                    generally known to the trade or public
                                    through no fault of the Employee, (iii) it
                                    is known or possessed by the Employee prior
                                    to the effectiveness of this Agreement, (iv)
                                    it is disclosed to the Employee in good
                                    faith by a third party who has a right to
                                    such information, (v) it is disclosed in
                                    compliance with a subpoena or court order or
                                    (vi) it is possessed by the recipient of the
                                    information prior to receipt of same from
                                    the Employee.

                           (e)      "Customer" means actual customers or
                                    actively sought prospective customers of
                                    Employer during the Term.

                           (f)      "Noncompete Period" or "Nonsolicitation
                                    Period" means the period beginning the date
                                    hereof and ending on the first anniversary
                                    of the termination of Employee's employment
                                    with Employer; provided that such Noncompete
                                    Period or


                                       12
<PAGE>   13
                                    Nonsolicitation Period shall end on the
                                    Termination Date in the event this Agreement
                                    is terminated pursuant to the provisions of
                                    Section 2(iii), hereof and, provided
                                    further, that the Noncompete Period or
                                    Nonsolicitation Period may be shortened at
                                    the discretion of the Board of Directors of
                                    Employer.

                           (g)      "Territory" means the area within a one
                                    hundred (100) mile radius of any corporate
                                    office or job site of Employer or any of its
                                    subsidiaries, affiliates or divisions.

                           (h)      "Trade Secrets" means information or data of
                                    or about Employer, including but not limited
                                    to technical or non-technical data,
                                    formulas, patterns, compilations, programs,
                                    devices, methods, techniques, drawings,
                                    processes, financial data, financial plans,
                                    products plans, or lists of actual or
                                    potential customers, clients, distributees
                                    or licensees, information concerning
                                    Employer's finances, services, staff,
                                    contemplated acquisitions, marketing
                                    investigations and surveys, that are not
                                    generally known to, and/or are not readily
                                    ascertainable by legal means by, other
                                    persons. Information and/or data shall be
                                    excluded from this definition if (i) it, at
                                    the time of disclosure, is generally known
                                    to the trade or public or (ii) it becomes at
                                    a later date generally known to the trade or
                                    public through no fault of the Employee.

                           (i)      "Work Product" means any and all work
                                    product property, data documentation or
                                    information of any kind prepared, conceived,
                                    discovered, developed or created by Employee
                                    for Employer or its affiliates, or any of
                                    Employer's or its affiliates' clients or
                                    customers for utilization in Company
                                    Activities, not generally known by and/or
                                    not readily ascertainable by proper means by
                                    other persons who can obtain economic value
                                    from their disclosure or use.

                  5.2      Trade Name and Confidential Information.

                           (a)      Employee hereby agrees that (i) with regard
                                    to each item constituting all or any portion
                                    of the Trade Secrets and Confidential
                                    Information, at all times during the Term
                                    and all


                                       13
<PAGE>   14
                                    times during which such item continues to
                                    constitute a Trade Secret or Confidential
                                    Information, respectively:

                                    (i)      Employee shall not, directly or by
                                             assisting others own, manage,
                                             operate, join, control or
                                             participate in the ownership,
                                             management, operation or control
                                             of, or be connected in any manner
                                             with, any business conducted under
                                             any corporate or trade name of
                                             Employer or name confusingly
                                             similar thereto, without the prior
                                             written consent of Employer;

                                    (ii)     Employee shall hold in confidence
                                             all Trade Secrets and all
                                             Confidential Information and will
                                             not, either directly or indirectly,
                                             use, sell, lend, lease, distribute,
                                             license, give, transfer, assign,
                                             show, disclose, disseminate,
                                             reproduce, copy, appropriate or
                                             otherwise communicate any Trade
                                             Secrets or Confidential
                                             Information, without the prior
                                             written consent of Employer; and

                                    (iii)    Employee shall immediately notify
                                             Employer of any unauthorized
                                             disclosure or use of any Trade
                                             Secrets or Confidential Information
                                             of which Employee becomes aware.
                                             Employee shall assist Employer, to
                                             the extent necessary, in the
                                             procurement or any protection of
                                             Employer's rights to or in any of
                                             the Trade Secrets or Confidential
                                             Information.

                           (b)      Upon the request of Employer and, in any
                                    event, upon the termination of Employee's
                                    employment with Employer, Employee shall
                                    deliver to Employer all memoranda, notes,
                                    records, manuals and other documents,
                                    including all copies of such materials and
                                    all documentation prepared or produced in
                                    connection therewith, pertaining to the
                                    performance of Employee's services hereunder
                                    or Employer's business or containing Trade
                                    Secrets or Confidential Information, whether
                                    made or complied by Employee or furnished to
                                    Employee from another source by virtue of
                                    Employee's employment with Employer.

                           (c)      To the greatest extent possible, all Work
                                    Product shall be deemed to be "work made for
                                    hire" (as defined in the Copyright Act, 17


                                       14
<PAGE>   15
                                    U.S.C.A. Sections 101 et seq., as amended)
                                    and owned exclusively by Employer. Employee
                                    hereby unconditionally and irrevocably
                                    transfers and assigns to Employer all
                                    rights, title and interest Employee may have
                                    in or to any and all Work Product,
                                    including, without limitation, all patents,
                                    copyrights, trademarks, service marks and
                                    other intellectual property rights. Employee
                                    agrees to execute and deliver to Employer
                                    any transfers, assignments, documents or
                                    other instruments which Employer may deem
                                    necessary or appropriate to vest complete
                                    title and ownership of any and all such Work
                                    Product, and all rights therein, exclusively
                                    in Employer.

                  5.3      Noncompetition.

                           (a)      The parties hereto acknowledge that Employee
                                    is conducting Company Activities throughout
                                    the Territory. Employee acknowledges that to
                                    protect adequately the interest of Employer
                                    in the business of Employer it is essential
                                    that any noncompete covenant with respect
                                    thereto cover all Company Activities and the
                                    entire Territory.

                           (b)      Employee hereby agrees that, during the Term
                                    and the Noncompete Period, Employee will
                                    not, in the Territory, either directly or
                                    indirectly, alone or in conjunction with any
                                    other party, accept, enter into or take any
                                    action in conjunction with or in furtherance
                                    of a Competitive Position with Employer.
                                    Employee shall notify Employer promptly in
                                    writing if Employee receives an offer of a
                                    Competitive Position during the Noncompete
                                    Term, and such notice shall describe all
                                    material terms of such offer.

                  Nothing contained in this Section 5 shall prohibit Employee
from acquiring not more than five percent (5%) of any Competitor, or from
acquiring any percentage of any company which is non-competitive with Employer,
whose common stock is publicly traded on a national securities exchange or in
the over-the-counter market.

                  5.4      Nonsolicitation During Employment Term. Employee
hereby agrees that Employee will not, during the Term, either directly or
indirectly, alone or in conjunction with any other party:


                                       15
<PAGE>   16
                           (a)      solicit, divert or appropriate or attempt to
                                    solicit, divert or appropriate, any Customer
                                    for the purpose of providing the Customer
                                    with services or products competitive with
                                    those offered by Employer during the Term,
                                    or

                           (b)      solicit or attempt to solicit any officer,
                                    director, employee, consultant, contractor,
                                    agent, lessor, lessee, licensor, licensee,
                                    supplier or any shareholder of any of the
                                    Founding Companies or other personnel of
                                    Employer or any of its affiliates or
                                    subsidiaries to terminate, alter or lessen
                                    that party's affiliation with Employer or
                                    such affiliate or subsidiary or to violate
                                    the terms of any agreement or understanding
                                    between such employee, consultant,
                                    contractor or other person and Employer.

                  5.5      Nonsolicitation During Nonsolicitation Period.
Employee hereby agrees that Employee will not, during the Nonsolicitation
Period, either directly or indirectly, alone or in conjunction with any other
party:

                           (a)      solicit, divert or appropriate or attempt to
                                    solicit, divert or appropriate, any Customer
                                    for the purpose of providing the Customer
                                    with services or products that qualify as
                                    Company Activities during the Term;
                                    provided, however, that the covenant in this
                                    clause shall limit Employee's conduct only
                                    with respect to those Customers with whom
                                    Employee had substantial contact (through
                                    direct or supervisory interaction with the
                                    Customer or the Customer's account) during a
                                    period of time up to but no greater than two
                                    (2) years prior to the last day of the Term;
                                    or

                           (b)      solicit or attempt to solicit any officer,
                                    director, employee, consultant, contractor,
                                    agent, lessor, lessee, licensor, licensee,
                                    supplier or any shareholder of any of the
                                    Founding Companies or other personnel of
                                    Employer or any of its affiliates or
                                    subsidiaries residing at the time of the
                                    solicitation in the Territory to terminate,
                                    alter or lessen that party's affiliation
                                    with Employer or such affiliate or
                                    subsidiary or to violate the terms of any
                                    agreement or understanding between such
                                    employee, consultant, contractor or other
                                    person and Employer. For purposes of this
                                    clause (b), employees, consultants,
                                    contractors, or other personnel are those
                                    with knowledge of or access to Trade Secrets
                                    and Confidential Information of the
                                    Employer.


                                       16
<PAGE>   17
                  5.6      Binding Arbitration. The parties shall refer any
dispute as to whether or not the Employee has violated the provisions of this
Section 5 to a mediator and, in the event that mediation is unsuccessful, such
dispute shall be resolved by binding arbitration in accordance with the
Commercial Arbitration Rules of the American Arbitration Association. The
arbitrator shall be selected by the mediator. The cost of the mediator and, if
necessary, the arbitrator and all other costs of the mediation and, if
necessary, the arbitration shall be split equally between the Employee and the
Employer, except for attorneys fees which shall be paid by the party employing
such attorney.

                  SECTION 6.        MISCELLANEOUS.

                  6.1      Severability. The covenants in this Agreement shall
be construed as covenants independent of one another and as obligations distinct
from any other contract between Employee and Employer.

                  6.2      Survival of Obligations. The covenants in Section 5
of this Agreement shall survive termination of Employee's employment, except in
the case of termination of this Agreement pursuant to the provisions of Section
2(iii) hereof, in which case they shall terminate also and have no further force
or legal effect as of the Termination Date.

                  6.3      Notices. Any notice or other document to be given
hereunder by any party hereto to any other party hereto shall be in writing and
delivered in person or by courier, by telecopy transmission or sent by any
express mail service, postage or fees prepaid at the following addresses:

                  HOLDING COMPANY

                           RailWorks Corporation
                           c/o L.K. Comstock & Company, Inc.
                           One North Lexington Avenue
                           White Plains, New York 10601
                           Attention: RailWorks Chief Executive Officer
                           Telecopy No.: (914) 285-9879


                                       17
<PAGE>   18
                  EMPLOYEE

                           Mr. Michael R. Azarela
                           17 Livery Land
                           North Salem, New York 10560

or at such other address or number for a party as shall be specified by like
notice. Any notice which is delivered in the manner provided herein shall be
deemed to have been duly given to the party to whom it is directed upon actual
receipt by such party or its agent.

                  6.4      Binding Effect. This Agreement ensures to the benefit
of, and is binding upon, Employer and their respective successors and assigns,
and Employee, together with Employee's executor, administrator, personal
representative, heirs, and legatees.

                  6.5      Entire Agreement. This Agreement is intended by the
parties hereto to be the final expression of their agreement with respect to the
subject matter hereof and is the complete and exclusive statement of the terms
thereof, notwithstanding any representations, statements or agreements to the
contrary heretofore made. This Agreement supersedes and terminates all prior
employment and compensation agreements, arrangements and understandings between
or among Employer and Employee. This Agreement may be modified only by a written
instrument signed by all of the parties hereto.

                  6.6      Governing Law. This Agreement shall be deemed to be
made in, and in all respects shall be interpreted, construed, and governed by
and in accordance with, the laws of the State of Maryland. No provision of this
Agreement shall be construed against or interpreted to the disadvantage of any
party hereto by any court of other governmental or judicial authority or by any
board of arbitrators by reasons of such party or its counsel having or being
deemed to have structured or drafted such provision.

                  6.7      Headings. The section and paragraph headings
contained in this Agreement are for reference purposes only and shall not affect
in any way the meaning or interpretation of this Agreement.

                  6.8      Specific Performance. Each party hereby agrees that
any remedy at law for any breach of provisions contained in this Agreement shall
be inadequate and that the other parties hereto shall be entitled to specific
performance and any other appropriate injunctive relief in addition to any other
remedy such party might have under this Agreement or at law or in equity.


                                       18
<PAGE>   19
                  6.9      Counterparts. This Agreement may be executed in two
or more counterparts, each of which shall be deemed to be an original but all of
which together shall constitute one and the same instrument.

                  6.10     Other Employment Agreements. Without the prior
written consent of Employee, no person that is subsequently hired by RailWorks
in a position comparable to the position held by Employee shall be offered an
employment agreement that contain benefits that are more favorable to such
person than the terms contained herein.










                                       19
<PAGE>   20
                  IN WITNESS WHEREOF, the parties hereto have executed this
Agreement as of the date first above written.


                                    RAILWORKS CORPORATION


                                    By: /s/ John G. Larkin                (SEAL)
                                        ---------------------------------
                                        John G. Larkin
                                        Chief Executive Officer


                                    EMPLOYEE


                                    /s/ Michael R. Azarela                (SEAL)
                                    --------------------------------------
                                    Michael R. Azarela










                                       20
<PAGE>   21
                                                                       EXHIBIT A

Annex Railroad Builders, Inc.
Mize Construction Company
Railroad Specialties, Inc.
U.S. Railway Supply, Inc.
Comtrak Construction, Inc.
Condon Brothers, Inc.
HP McGinley, Inc.
Kennedy Railroad Builders, Inc.
Alpha-Keystone Engineering, Inc.
Railcorp, Inc.
Merit Railroad Contractors, Inc.
Midwest Construction Services, Inc.
New England Railroad Construction Co.
Comstock Holdings, Inc.
Railroad Service, Inc.
Minnesota Railroad Service, Inc.
Southern Indiana Wood Preserving Co.
U.S. Trackworks, Inc.
Northern Rail Service & Supply Co.
W.A. Smith Construction Co., Inc.
W.A. Smith Rerailing Serviceds, Inc.
CPI Concrete Products, Inc.






                                       21

<PAGE>   1
                                                                    EXHIBIT 10.3

                  AMENDED AND RESTATED EMPLOYMENT AGREEMENT


                  THIS AGREEMENT ("Agreement") is made and entered into as of
this 4th day of August, 1998, by and between John Kennedy, an individual
resident of the State of Pennsylvania ("Employee"), and RailWorks Corporation, a
Delaware corporation (as defined below the "Holding Company").

                               W I T N E S S E T H

                  WHEREAS, the Holding Company has been created for the purpose
of carrying on the businesses of the entities listed on Exhibit A, which is
attached hereto and hereby incorporated by reference herein (the "Founding
Companies"), and the Holding Company has completed a public offering of its
common stock under applicable law;

                  WHEREAS, the Founding Companies desire that the Holding
Company employ the Employee to be the Vice President and Chief Operating Officer
of the Holding Company on the terms and conditions as contained herein; and

                  WHEREAS, the Employee desires to be so employed by the Holding
Company, on the terms and conditions as contained herein.

                  NOW, THEREFORE, in consideration of the premises and the
mutual promises and agreements contained herein, and other good and valuable
consideration, the receipt and sufficiency of which is hereby acknowledged by
the parties hereto, the parties hereto, intending to be legally bound, hereby
agree as follows:

                  SECTION 1.        EMPLOYMENT.

                  Subject to the terms hereof, Employer will employ Employee and
Employee hereby accepts such employment. The Employee shall serve as the Vice
President and Chief Operating Officer of the Holding Company.

                  Subject to the terms and conditions of this Agreement,
Employee agrees to devote substantially all of his business time and best
efforts to the performance of his job as Vice President and Chief Operating
Officer of the Holding Company, subject to direction by the Board of Directors
of the Holding Company (the "Board of Directors"), as long as such directions
are consistent with the duties, responsibilities and authority customarily given
or 



<PAGE>   2

required of chief operating officers generally, with the Employee to report his
activities regularly to the Board of Directors.

                  SECTION 2.        TERM OF EMPLOYMENT.

                  The term of the Employee's employment hereunder (the "Term")
shall be from May 21, 1998 until the occurrence of any of the following events:

         (i)      The death or total disability of Employee (total disability
                  meaning the failure to fully perform his normal required
                  services hereunder for a period of six (6) consecutive months
                  during any consecutive twelve (12) month period during the
                  term hereof, as determined by an independent medical doctor
                  jointly chosen by the Employee and the Employer) by reason of
                  mental or physical disability;

         (ii)     The termination by Employer of Employee's employment
                  hereunder, upon thirty (30) days prior written notice to
                  Employee, for "good cause", as reasonably determined by the
                  Board of Directors. For purposes of this Agreement, "good
                  cause" for termination of Employee's employment shall exist
                  (A) if Employee is convicted of, pleads guilty to or confesses
                  to any felony or any act of fraud, misappropriation or
                  embezzlement, (B) if Employee has engaged in a dishonest act
                  to the material damage or prejudice of Employer or an
                  affiliate of Employer, or in conduct or activities materially
                  damaging to the property, business, or reputation of Employer
                  or an affiliate of Employer, or (C) if Employee violates any
                  of the provisions contained in Section 5 of this Agreement,
                  after receiving written notice from the Employer specifically
                  outlining the alleged violations by the Employee of Section 5
                  hereof and either (1) the Employee fails to stop the alleged
                  behavior which is claimed to be such a breach within thirty
                  (30) days of receipt by the Employee of such written notice or
                  (2) the Employer prevails in mediation or binding arbitration
                  pursuant to the commercial arbitration rules of the American
                  Arbitration Association which arbitration is commenced by the
                  Employee within thirty (30) days of receipt by the Employer of
                  such notice in accordance with the provisions of Section 5.6
                  hereof;

         (iii)    The termination by either the Employee or the Employer, upon
                  thirty (30) days written notice to the other party, in the
                  event of a Change of Control of the Employer (as defined
                  hereinbelow).

                           For purposes of this Agreement, a "Change of Control"
                  shall be deemed to have occurred if (A) any "person" (as such
                  term is used in Sections 13(d) and 14(d) of the Securities
                  Exchange Act of 1934, as amended (the "Exchange Act")),



                                        2

<PAGE>   3




                  other than a trustee or other fiduciary holding securities
                  under an employee benefit plan of the Holding Company, a
                  corporation owned directly or indirectly by the stockholders
                  of the Holding Company (immediately after the IPO) or any of
                  their respective affiliates, becomes the "beneficial owner"
                  (as defined in Rule 13d-3 under the Exchange Act), directly or
                  indirectly, of securities of the Holding Company representing
                  50% or more of the total voting power represented by the
                  Holding Company's then outstanding securities that vote
                  generally in the election of directors (referred to herein as
                  "Voting Securities"); (B) during any period of two consecutive
                  years, individuals who at the beginning of such period
                  constitute the Board of Directors and any new directors whose
                  election by the Board of Directors or nomination for election
                  by the Holding Company's stockholders was approved by a vote
                  or a majority of the directors then still in office who either
                  were directors at the beginning of the period or whose
                  election or nomination for election was previously so
                  approved, cease for any reason to constitute a majority of the
                  Board of Directors; (C) the stockholders of the Holding
                  Company approve a merger or consolidation of the Holding
                  Company with any other corporation, other than a merger or
                  consolidation (i) which would result in the Voting Securities
                  of the Holding Company outstanding immediately prior thereto
                  continuing to represent (either by remaining outstanding or by
                  being converted into Voting Securities of the surviving
                  entity) at least 50% of the total voting power represented by
                  the Voting Securities of the Holding Company or such surviving
                  entity outstanding immediately after such merger or
                  consolidation or (ii) in which 50% or more of the board of
                  directors of the surviving entity is composed of members from
                  the Board of Directors of the Holding Company; (D) the
                  stockholders of the Holding Company approve a plan of complete
                  liquidation of the Holding Company or an agreement for the
                  sale or disposition by the Holding Company of (in one
                  transaction or a series of transactions) all or substantially
                  all of the Holding Company's assets; or

         (iv)     After December 31, 2001, this Agreement shall continue upon a
                  year-to-year basis unless terminated by either the Employer or
                  the Employee upon ninety days (90) written notice to the other
                  before January 1 of the next year.

                  SECTION 3.        COMPENSATION.

                  3.1      Term of Employment. Employer will provide Employee
with the following salary, expense reimbursement and additional employee
benefits during the term of employment hereunder.



                                        3

<PAGE>   4



         (a)      Salary. From the date of this Agreement, Employee will be paid
                  a salary (the "Base Salary") of no less than One Hundred
                  Thousand Dollars ($100,000) per annum, less deductions and
                  withholdings required by applicable law. The Base Salary shall
                  be paid to Employee in equal monthly installments (or on such
                  more frequent basis as other executives of Employer are
                  compensated). The Base Salary shall be reviewed by the Board
                  of Directors of Employer on at least an annual basis
                  thereafter and may be increased but not decreased as a result
                  of any such review.

         (b)      Performance Bonuses. In addition to the Base Salary, the
                  Employee shall have the right to receive from the Employer,
                  and the Employer shall be obligated to pay to the Employee, a
                  performance bonus (the "Performance Bonus") for each fiscal
                  year during the term of this Agreement, equal to the aggregate
                  amount determined by the bonus formulas delineated herein
                  below. Any amount of a Performance Bonus required to be paid
                  to the Employee for a fiscal year during the term of this
                  Agreement shall be paid by the Employer in the first pay
                  period of the Employer immediately following the finalization
                  of the accounting audit for financial accounting purposes of
                  the Employer for the preceding fiscal year but in all events
                  by March 31 of the year immediately following the end of the
                  fiscal year for which such Performance Bonus is attributable.

                  The formulas to determine a Performance Bonus for any fiscal
                  year during the term of this Agreement shall be as follows:

                  (i)      For each fiscal year of the Employer, .15% of the
                           pre-tax net income, before any performance or other
                           periodic bonuses for any of the employees of the
                           Employer and any of its consolidated subsidiaries, of
                           the Employer on a consolidated basis for financial
                           accounting basis based upon applying generally
                           accepted accounting principles and generally accepted
                           auditing standards on a consistent basis. This bonus
                           shall be calculated by the independent certified
                           public accountant regularly employed by the Employer
                           (the "CPA") applying such generally accepted
                           accounting principles and generally accepted auditing
                           standards on a consistent basis.

                           Plus



                                        4

<PAGE>   5




                  (ii)     For each fiscal year of the Employer, one point five
                           percent (1.5%) of the excess of (a) the consolidated
                           after tax net income of the Employer and its
                           consolidated subsidiaries for a fiscal year, computed
                           by the CPA applying generally accepted accounting
                           principles and generally accepted auditing standards
                           on a consistent basis over (b) the Wall Street
                           Estimate (as hereinafter defined) for such fiscal
                           year. For purposes of this subsection (ii)(b), Wall
                           Street Estimate for a fiscal year shall mean the
                           simple arithmetical average of the consolidated
                           earnings per share estimates for a fiscal year of the
                           Employer and its consolidated subsidiaries in the
                           possession of First Call on the Determination Date
                           (as hereinafter defined), translated by the CPA into
                           the equivalent consolidated after tax net income of
                           the Employer and its consolidated subsidiaries for
                           such fiscal year. For purposes of this subsection
                           (ii)(b), the Determination Date shall mean the date
                           the IPO is consummated and thereafter shall be the
                           first day of the fiscal year for which such
                           computation applies.

         (c)      Discretionary Bonus. The Board of Directors may, from time to
                  time, award the Employee an additional discretionary bonus
                  based upon such factors as the Board of Directors deems
                  appropriate. The Employer shall have no entitlement to such a
                  discretionary bonus until and unless so awarded by the Board
                  of Directors.

         (d)      Vacation. Employee shall receive four (4) weeks vacation time
                  per calendar year during the term of this Agreement in
                  addition to customary holidays afforded other employees of
                  Employer. Any unused vacation days in any calendar year may
                  not be carried over to subsequent years.

         (e)      Expenses. Employer shall reimburse Employee, within thirty
                  (30) days of its receipt of a reimbursement report from the
                  Employee, for all reasonable and necessary expenses incurred
                  by Employee on behalf of Employer.

         (f)      Benefit Plans. Employee shall have the option of participating
                  in such medical, dental, disability, hospitalization, life
                  insurance, stock option and other benefit plans (such as
                  pension and profit sharing plans) as Employer maintains from
                  time to time for the benefit of other senior executives of
                  Employer, on the terms and subject to the conditions set forth
                  in such plans.



                                        5

<PAGE>   6



                  3.2      Effect of Termination. Except as hereinafter
provided, upon the termination of the employment of Employee hereunder for any
reason, Employee shall be entitled to all compensation and benefits earned or
accrued under Section 3.1 as of the effective date of termination (the
"Termination Date"), but from and after the Termination Date no additional
compensation or benefits shall be earned by Employee hereunder. Except upon
termination by the Employer of the employment of the Employee pursuant to the
provisions of Section 2(ii) hereof, Employee shall be deemed to have earned any
Performance Bonus payable with respect to the fiscal year in which the
Termination Date occurs on a prorated basis (based on the number of days in such
calendar year through and including the Termination Date divided by 365). Any
such Performance Bonus shall be payable on the date on which the Performance
Bonus would have been paid had Employee continued his employment hereunder. In
addition, the Employee and his eligible dependents shall be entitled to receive
at the sole cost of the Employer (A) the health insurance benefits specified
hereunder for a period of twelve (12) months following the Termination Date (the
"Continuation Period") and following such time period, the Employee shall be
entitled to all rights afforded to him under the Federal Omnibus Reconciliation
Act ("COBRA") to purchase continuation coverage of such health insurance
benefits for himself and his dependents for the maximum period permitted by law,
and the Employee shall be deemed to have elected to exercise his rights under
Cobra as of the first day of the Continuation Period, and (B) the life insurance
benefits specified hereinabove for the period of the Continuation Period.

                  (i)      Upon termination of this Agreement, pursuant to the
                           provisions of Sections 2 (i) or (iii) hereof, any
                           stock grants or options previously awarded to the
                           Employee, either by this Agreement or otherwise,
                           shall fully and completely vest and the Employee
                           shall be able to retain or obtain as the case may be,
                           such stock, as though there was no vesting period or
                           criteria of any kind or nature, with respect to such
                           stock. If stock options have previously been awarded
                           to the Employee, notwithstanding any terms and
                           conditions of such award or any plan pursuant to
                           which such stock options were awarded, the Employee
                           or his authorized representative shall have a period
                           of three (3) months from the Termination Date to
                           exercise any or all of such stock options and acquire
                           for his own benefit the shares of stock covered by
                           such stock options.

                  (ii)     Upon termination of the Agreement pursuant to the
                           terms of Section 2(ii) or (iv) hereof, all granted
                           but unvested, at the Termination Date, stock grants
                           or options shall be forfeited upon such termination;
                           provided that the Employee shall be able to retain or
                           exercise any rights for a period of one (1) month
                           after the Termination Date, notwithstanding the terms
                           and provisions of such stock options awarded or the
                           plan under which they



                                        6

<PAGE>   7




                           were awarded, with respect to any shares of stock
                           granted or shares of stock covered by stock options
                           that have fully vested as of the Termination Date.

                  SECTION 4.        COMMON STOCK.

                  4.1      Term of Employment. So that Employee can share in the
increase in value of the business of Employer over time, Employee will be
granted common stock of Employer as follows:

                           (i)      Stock Grant. Simultaneously with the
                                    consummation of the IPO, Employee will be
                                    granted that number of shares of all classes
                                    of stock of the Holding Company equal to one
                                    percent (1.0%) of the number of shares of
                                    all classes of stock of the Holding Company
                                    outstanding immediately upon consummation of
                                    the IPO. Such shares so granted shall fully
                                    and completely vest on the date of issuance.

                           (ii)     Stock Splits and Recapitalization. The
                                    number of shares of common stock granted
                                    hereby shall be automatically adjusted to
                                    reflect any change in the capitalization of
                                    the Holding Company, including, but not
                                    limited to, such changes as stock dividends,
                                    stock splits or recapitalizations. If any
                                    adjustment under this Section would create
                                    the right of Employee to acquire a
                                    fractional share of stock, such fractional
                                    share shall be disregarded and the number of
                                    shares of common stock subject to the grant
                                    shall be the next higher number of whole
                                    shares of common stock, rounding all
                                    fractions upward.

                  4.2      Stock Loan.

                           (i)      In order to help the Employee pay any
                                    required income taxes with respect to the
                                    stock granted to the Employee pursuant to
                                    the provisions of Section 4.1 hereof, at any
                                    time after the IPO has been consummated, the
                                    Employer, upon thirty (30) days written
                                    notice from the Employee, shall provide to
                                    the Employee a loan (the "Loan") in an
                                    amount equal to such income taxes, to be
                                    interest only for a period of five (5)
                                    years, to require yearly payments of simple
                                    interest at the same interest rate as the
                                    Holding Company




                                        7

<PAGE>   8



                                    incurs to borrow funds from its
                                    institutional lenders, to be collateralized
                                    only by the stock granted and the Employee
                                    otherwise will not be personally obligated
                                    to repay the Loan; provided that upon the
                                    termination of this Agreement pursuant to
                                    the provisions of Section 2(i) or (ii), the
                                    loan shall be fully paid off within three
                                    (3) months of the Termination Date and upon
                                    the termination of this Agreement pursuant
                                    to Section 2 (iii) or (iv) hereof, the Loan
                                    shall be fully paid off within one (1) year
                                    after the Termination Date.

                           (ii)     To the extent that the Employee has not
                                    repaid the entire principal balance of the
                                    Loan plus any accrued interest thereon
                                    before January 1, 2001, the Employee agrees
                                    to sell, as promptly as practicable, a
                                    sufficient number of shares of Common Stock
                                    to enable the Employee to repay the then
                                    remaining outstanding balance (unpaid
                                    principal balance and unpaid accrued
                                    interest from time to time, the ("Unpaid
                                    Balance of the Loan")) of the Loan after any
                                    taxes have been provided for (the "Required
                                    Number of Shares"), subject to the following
                                    conditions and requirements:

                                    (A)      Such sales shall be made in a
                                             manner which shall reasonably not
                                             disrupt the orderly trading of
                                             Common Stock, either through open
                                             market or privately negotiated
                                             transactions as long as no sales
                                             shall be made at a price lower that
                                             1/16 below the last sales price of
                                             Common Stock publicly traded
                                             immediately prior to such sale even
                                             if such prohibition shall cause a
                                             delay in Employee's compliance with
                                             his obligation to sell Common Stock
                                             as provided hereinabove;

                                    (B)      If after January 1, 2001 the
                                             Holding Company proposes to
                                             register any of its securities
                                             under the Securities Act for sale
                                             to the public for its own account
                                             or for the account of other
                                             security holders or both, the
                                             Holding Company may, upon 30 days
                                             prior written notice to the
                                             Employee, require the Employee to
                                             include the Required Number of
                                             Shares in such offering and to sell
                                             such shares as part of such
                                             offering. In such event, all of the
                                             costs of registering the Required
                                             Number of Shares, including but not
                                             limited to, all registration and
                                             filing fees, printing expenses,
                                             fees and



                                        8

<PAGE>   9




                                             disbursements of counsel and
                                             independent public accountants for
                                             the Holding Company; fees of the
                                             National Association of Securities
                                             Dealers, Inc., state Blue Sky fees
                                             and expenses, transfer taxes, fees
                                             of transfer agents and registrars
                                             and costs of insurance; and all
                                             underwriting discounts and selling
                                             commissions applicable to the sale
                                             of shares other than the Required
                                             Number of Shares, shall be paid by
                                             the Holding Company.
                                             Notwithstanding the above, the
                                             Employee shall pay all underwriting
                                             discounts and selling commissions
                                             directly payable with respect to
                                             the registration of the Required
                                             Number of Shares; or

                                    (C)      If, as of June 1, 2001, Employee
                                             has not yet disposed of the
                                             Required Number of Shares, the
                                             Holding Company will repurchase
                                             from the Employee the Required
                                             Number of Shares at a per share
                                             price equal to 1/16 lower than the
                                             average of the closing sales price
                                             for the Common Stock as reported on
                                             the national stock exchange on
                                             which the Holding Company's stock
                                             trades for a ten (10) day period
                                             prior to the date of such sale to
                                             the Holding Company, provided,
                                             however, that such repurchase shall
                                             only be required if it can be
                                             effected in a manner that complies
                                             with all applicable securities
                                             laws.

                  Notwithstanding anything contained herein to the contrary, the
Employee shall not be required to sell any of the Required Number of Shares
unless the net proceeds paid to the Employee as a result of such shares equals
or exceeds 150% of the IPO Price per share.

                  Nothing in this Section 4.2(ii) shall be construed to require
the Employee to sell common stock except in compliance with all applicable
securities laws. Any delay imposed due to compliance with requirements of
applicable securities laws shall suspend the Employee's obligation to sell
Common Stock as otherwise provided hereinabove.

                  Lastly, notwithstanding anything to the contrary contained in
this Section 4.2(ii), the Employee shall have the right but not the obligation,
at any time and from time to time, to repay the Unpaid Balance of the Loan from
his personal resources.

                  4.3      Securities Act.  THE SHARES OF COMMON STOCK (THE
"SHARES") GRANTED PURSUANT TO THIS AGREEMENT HAVE NOT BEEN



                                        9

<PAGE>   10



REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE "ACT"), OR ANY
APPLICABLE STATE SECURITIES LAWS, THE SHARES ARE OFFERED PURSUANT TO EXEMPTIONS
PROVIDED BY SECTION 4(2) OF THE ACT AND CERTAIN RULES AND REGULATIONS
PROMULGATED PURSUANT THERETO. THE SHARES MAY NOT BE TRANSFERRED BY THE EMPLOYEE
IN THE ABSENCE OF AN EFFECTIVE REGISTRATION STATEMENT UNDER THE ACT AND ANY
APPLICABLE STATE SECURITIES LAWS OR AN OPINION OF COUNSEL ACCEPTABLE TO EMPLOYER
AND ITS COUNSEL, WHICH ACCEPTANCE SHALL NOT BE UNREASONABLY WITHHELD, THAT SUCH
REGISTRATION IS NOT REQUIRED.

                  At such time as counsel for the Employee, which is acceptable
to the Holding Company, which acceptance shall not be unreasonably withheld,
opines that the aforementioned stock restriction and legend can be removed from
the certificates representing stock granted pursuant to Section 4.1(i) hereof in
accordance with applicable securities law, the Holding Company agrees to delete
any such legend from the certificates representing such shares that have been so
granted.

                  SECTION 5.        PARTIAL RESTRAINT ON COMPETITION.

                  5.1      Definitions. For the purposes of this Section 5, the
following definitions shall apply.

                           (a)      "Company Activities" means the business of
                                    construction and maintenance of railway beds
                                    and tracks; construction and maintenance of
                                    elevated rail systems and structures;
                                    construction and maintenance of railway
                                    switching and signaling equipment,
                                    distributorships and supply in the field of
                                    rail and railway construction materials;
                                    distributorships and supply in the field of
                                    electromechanical controls for use in the
                                    railroad industry, namely, railway switching
                                    equipment and railway signaling equipment;
                                    and design for others in the field of
                                    railroad industry, namely, engineering
                                    design of rail and railway related
                                    structures and equipment or any other
                                    business of the Employer and its
                                    consolidated (for financial accounting
                                    purposes) subsidiaries (the "Consolidated
                                    Group") which said entities are engaged in
                                    on the Termination Date as long as such
                                    business generated gross sales of at least
                                    10% or more of the total gross sales of the
                                    Consolidated Group for the most recent
                                    fiscal year of the Employer before or on the
                                    Termination Date.



                                       10

<PAGE>   11




                           (b)      "Competitor" means any business, individual,
                                    partnership, joint venture, association,
                                    firm, corporation or other entity, other
                                    than the Employer or its affiliates or
                                    subsidiaries, engaged, wholly or partly, in
                                    Company Activities.

                           (c)      "Competitive Position" means (i) having any
                                    financial interest in a Competitor,
                                    including but not limited to, the direct or
                                    indirect ownership or control of all or any
                                    portion of a Competitor, or acting as a
                                    partner, officer, director, principal, agent
                                    or trustee of any Competitor or (ii)
                                    engaging in any employment or independent
                                    contractor arrangement, business or other
                                    activity with any Competitor whereby
                                    Employee will serve such Competitor in any
                                    senior managerial capacity.

                           (d)      "Confidential Information" means any
                                    confidential, proprietary business
                                    information or data belonging to or
                                    pertaining to Employer that does not
                                    constitute a "Trade Secret" (as hereinafter
                                    defined) and that is not generally known by
                                    or available through legal means to the
                                    public, including, but not limited to,
                                    information regarding Employer's customers
                                    or actively sought prospective customers,
                                    acquisition targets, suppliers,
                                    manufacturers and distributors gained by
                                    Employee as a result of his employment with
                                    Employer but shall include any information
                                    known by the Employee before March 1, 1998.

                           (e)      "Customer" means actual customers or
                                    actively sought prospective customers of
                                    Employer during the Term.

                           (f)      "Noncompete Period" or "Nonsolicitation
                                    Period" means the period beginning the date
                                    hereof and ending on the second anniversary
                                    of the termination of Employee's employment
                                    with Employer; provided that such Noncompete
                                    Period or Nonsolicitation Period shall end
                                    on the Termination Date in the event this
                                    Agreement is terminated pursuant to the
                                    provisions of Section 2(iii) hereof and,
                                    provided further, that the Noncompete Period
                                    or Nonsolicitation Period may be shortened
                                    at the discretion of the Board of Directors
                                    of Employer.



                                       11

<PAGE>   12



                           (g)      "Territory" means the area within a one
                                    hundred (100) mile radius of any corporate
                                    office or job site of Employer or any of its
                                    subsidiaries, affiliates or divisions.

                           (h)      "Trade Secrets" means information or data of
                                    or about Employer, including but not limited
                                    to technical or non-technical data,
                                    formulas, patterns, compilations, programs,
                                    devices, methods, techniques, drawings,
                                    processes, financial data, financial plans,
                                    products plans, or lists of actual or
                                    potential customers, clients, distributees
                                    or licensees, information concerning
                                    Employer's finances, services, staff,
                                    contemplated acquisitions, marketing
                                    investigations and surveys, that are not
                                    generally known to, and/or are not readily
                                    ascertainable by legal means by, other
                                    persons.

                           (i)      "Work Product" means any and all work
                                    product property, data documentation or
                                    information of any kind prepared, conceived,
                                    discovered, developed or created by Employee
                                    for Employer or its affiliates, or any of
                                    Employer's or its affiliates' clients or
                                    customers for utilization in Company
                                    Activities, not generally known by or not
                                    readily ascertainable by proper means by
                                    other persons who can obtain economic value
                                    from their disclosure or use.

                  5.2      Trade Name and Confidential Information.

                           (a)      Employee hereby agrees that (i) with regard
                                    to each item constituting all or any portion
                                    of the Trade Secrets and Confidential
                                    Information, at all times during the Term
                                    and all times during which such item
                                    continues to constitute a Trade Secret or
                                    Confidential Information, respectively:

                                    (i)     Employee shall not, directly or by
                                            assisting others own, manage,
                                            operate, join, control or
                                            participate in the ownership,
                                            management, operation or control of,
                                            or be connected in any manner with,
                                            any business conducted under any
                                            corporate or trade name of Employer
                                            or name confusingly similar thereto,
                                            without the prior written consent of
                                            Employer;



                                       12

<PAGE>   13




                                    (ii)    Employee shall hold in confidence
                                            all Trade Secrets and all
                                            Confidential Information and will
                                            not, either directly or indirectly,
                                            use, sell, lend, lease, distribute,
                                            license, give, transfer, assign,
                                            show, disclose, disseminate,
                                            reproduce, copy, appropriate or
                                            otherwise communicate any Trade
                                            Secrets or Confidential Information,
                                            without the prior written consent of
                                            Employer; and

                                    (iii)   Employee shall immediately notify
                                            Employer of any unauthorized
                                            disclosure or use of any Trade
                                            Secrets or Confidential Information
                                            of which Employee becomes aware.
                                            Employee shall assist Employer, to
                                            the extent necessary, in the
                                            procurement or any protection of
                                            Employer's rights to or in any of
                                            the Trade Secrets or Confidential
                                            Information.

                           (b)      Upon the request of Employer and, in any
                                    event, upon the termination of Employee's
                                    employment with Employer, Employee shall
                                    deliver to Employer all memoranda, notes,
                                    records, manuals and other documents,
                                    including all copies of such materials and
                                    all documentation prepared or produced in
                                    connection therewith, pertaining to the
                                    performance of Employee's services hereunder
                                    or Employer's business or containing Trade
                                    Secrets or Confidential Information, whether
                                    made or complied by Employee or furnished to
                                    Employee from another source by virtue of
                                    Employee's employment with Employer.

                           (c)      To the greatest extent possible, all Work
                                    Product shall be deemed to be "work made for
                                    hire" (as defined in the Copyright Act, 17
                                    U.S.C.A. ss.ss. 101 et seq., as amended) and
                                    owned exclusively by Employer. Employee
                                    hereby unconditionally and irrevocably
                                    transfers and assigns to Employer all
                                    rights, title and interest Employee may have
                                    in or to any and all Work Product,
                                    including, without limitation, all patents,
                                    copyrights, trademarks, service marks and
                                    other intellectual property rights. Employee
                                    agrees to execute and deliver to Employer
                                    any transfers, assignments, documents or
                                    other instruments which Employer may deem
                                    necessary or appropriate to vest complete
                                    title and ownership of



                                       13

<PAGE>   14



                                    any and all such Work Product, and all
                                    rights therein, exclusively in Employer.

                  5.3      Noncompetition.

                           (a)      The parties hereto acknowledge that Employee
                                    is conducting Company Activities throughout
                                    the Territory. Employee acknowledges that to
                                    protect adequately the interest of Employer
                                    in the business of Employer it is essential
                                    that any noncompete covenant with respect
                                    thereto cover all Company Activities and the
                                    entire Territory.

                           (b)      Employee hereby agrees that, during the Term
                                    and the Noncompete Period, Employee will
                                    not, in the Territory, either directly or
                                    indirectly, alone or in conjunction with any
                                    other party, accept, enter into or take any
                                    action in conjunction with or in furtherance
                                    of a Competitive Position with Employer.
                                    Employee shall notify Employer promptly in
                                    writing if Employee receives an offer of a
                                    Competitive Position during the Noncompete
                                    Term, and such notice shall describe all
                                    material terms of such offer.

                  Nothing contained in this Section 5 shall prohibit Employee
from acquiring not more than five percent (5%) of any Competitor, or from
acquiring any percentage of any company which is non-competitive with Employer,
whose common stock is publicly traded on a national securities exchange or in
the over-the-counter market.

                  5.4      Nonsolicitation During Employment Term. Employee
hereby agrees that Employee will not, during the Term, either directly or
indirectly, alone or in conjunction with any other party:

                           (a)      solicit, divert or appropriate or attempt to
                                    solicit, divert or appropriate, any Customer
                                    for the purpose of providing the Customer
                                    with services or products competitive with
                                    those offered by Employer during the Term,
                                    or

                           (b)      solicit or attempt to solicit any officer,
                                    director, employee, consultant, contractor,
                                    agent, lessor, lessee, licensor, licensee,
                                    supplier or any shareholder of any of the
                                    Founding Companies or other personnel of
                                    Employer or any of its affiliates or
                                    subsidiaries to terminate, alter or lessen
                                    that party's affiliation with Employer



                                       14

<PAGE>   15




                                    or such affiliate or subsidiary or to
                                    violate the terms of any agreement or
                                    understanding between such employee,
                                    consultant, contractor or other person and
                                    Employer.

                  5.5      Nonsolicitation During Nonsolicitation Period.
Employee hereby agrees that Employee will not, during the Nonsolicitation
Period, either directly or indirectly, alone or in conjunction with any other
party:

                           (a)      solicit, divert or appropriate or attempt to
                                    solicit, divert or appropriate, any Customer
                                    for the purpose of providing the Customer
                                    with services or products that qualify as
                                    Company Activities during the Term;
                                    provided, however, that the covenant in this
                                    clause shall limit Employee's conduct only
                                    with respect to those Customers with whom
                                    Employee had substantial contact (through
                                    direct or supervisory interaction with the
                                    Customer or the Customer's account) during a
                                    period of time up to but no greater than two
                                    (2) years prior to the last day of the Term;
                                    or

                           (b)      solicit or attempt to solicit any officer,
                                    director, employee, consultant, contractor,
                                    agent, lessor, lessee, licensor, licensee,
                                    supplier or any shareholder of any of the
                                    Founding Companies or other personnel of
                                    Employer or any of its affiliates or
                                    subsidiaries residing at the time of the
                                    solicitation in the Territory to terminate,
                                    alter or lessen that party's affiliation
                                    with Employer or such affiliate or
                                    subsidiary or to violate the terms of any
                                    agreement or understanding between such
                                    employee, consultant, contractor or other
                                    person and Employer. For purposes of this
                                    clause (b), employees, consultants,
                                    contractors, or other personnel are those
                                    with knowledge of or access to Trade Secrets
                                    and Confidential Information of the
                                    Employer.

                  5.6      Binding Arbitration. The parties shall refer any
dispute as to whether or not the Employee has violated the provisions of this
Section 5 to a mediator and, in the event that mediation is unsuccessful, such
dispute shall be resolved by binding arbitration in accordance with the
Commercial Arbitration Rules of the American Arbitration Association. The
arbitrator shall be selected by the mediator. The cost of the mediator and, if
necessary, the arbitrator and all other costs of the mediation and, if
necessary, the arbitration shall be split equally between the Employee and the
Employer, except for attorneys fees which shall be paid by the party employing
such attorney.



                                       15

<PAGE>   16



                  SECTION 6.        MISCELLANEOUS.

                  6.1      Severability. The covenants in this Agreement shall
be construed as covenants independent of one another and as obligations distinct
from any other contract between Employee and Employer.

                  6.2      Survival of Obligations. The covenants in Section 5
of this Agreement shall survive termination of Employee's employment, except in
the case of termination of this Agreement pursuant to the provisions of Section
2(iii) hereof, in which case they shall terminate also and have no further force
or legal effect as of the Termination Date.

                  6.3      Notices. Any notice or other document to be given
hereunder by any party hereto to any other party hereto shall be in writing and
delivered in person or by courier, by telecopy transmission or sent by any
express mail service, postage or fees prepaid at the following addresses:

                  HOLDING COMPANY

                  RailWorks Corporation
                  c/o L.K. Comstock & Company, Inc.
                  One North Lexington Avenue
                  White Plains, New York   10601
                  Attention: RailWorks Chief Executive Officer
                  Telecopy No.: (914) 285-9879

                  EMPLOYEE

                  Mr. John Kennedy
                  561 Brentwater Road
                  Camp Hill, PA 17011

or at such other address or number for a party as shall be specified by like
notice. Any notice which is delivered in the manner provided herein shall be
deemed to have been duly given to the party to whom it is directed upon actual
receipt by such party or its agent.

                  6.4      Binding Effect. This Agreement ensures to the benefit
of, and is binding upon, Employer and their respective successors and assigns,
and Employee, together with Employee's executor, administrator, personal
representative, heirs, and legatees.



                                       16

<PAGE>   17




                  6.5      Entire Agreement. This Agreement is intended by the
parties hereto to be the final expression of their agreement with respect to the
subject matter hereof and is the complete and exclusive statement of the terms
thereof, notwithstanding any representations, statements or agreements to the
contrary heretofore made. This Agreement supersedes and terminates all prior
employment and compensation agreements, arrangements and understandings between
or among Employer and Employee. This Agreement may be modified only by a written
instrument signed by all of the parties hereto.

                  6.6      Governing Law. This Agreement shall be deemed to be
made in, and in all respects shall be interpreted, construed, and governed by
and in accordance with, the laws of the State of Maryland. No provision of this
Agreement shall be construed against or interpreted to the disadvantage of any
party hereto by any court of other governmental or judicial authority or by any
board of arbitrators by reasons of such party or its counsel having or being
deemed to have structured or drafted such provision.

                  6.7      Headings. The section and paragraph headings
contained in this Agreement are for reference purposes only and shall not affect
in any way the meaning or interpretation of this Agreement.

                  6.8      Specific Performance. Each party hereby agrees that
any remedy at law for any breach of provisions contained in this Agreement shall
be inadequate and that the other parties hereto shall be entitled to specific
performance and any other appropriate injunctive relief in addition to any other
remedy such party might have under this Agreement or at law or in equity.

                  6.9      Counterparts. This Agreement may be executed in two
or more counterparts, each of which shall be deemed to be an original but all of
which together shall constitute one and the same instrument.

                  6.10     Other Employment Agreements. Without the prior
written consent of Employee, no person that is subsequently hired by RailWorks
in a position comparable to the position held by Employee shall be offered an
employment agreement that contain benefits that are more favorable to such
person than the terms contained herein.



                                       17

<PAGE>   18



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


                                       HOLDING COMPANY

                                       RAILWORKS CORPORATION



                                       By:  /s/ John G. Larkin           (SEAL)
                                            -----------------------------
                                            John G. Larkin
                                            Chief Executive Officer


                                       EMPLOYEE


                                       /s/ John Kennedy                  (SEAL)
                                       ----------------------------------
                                       John Kennedy






                                       18

<PAGE>   19



                                    EXHIBIT A


Annex Railroad Builders, Inc.
Mize Construction Company
Railroad Specialties, Inc.
U.S. Railway Supply, Inc.
Comtrak Construction, Inc.
Condon Brothers, Inc.
HP McGinley, Inc.
Kennedy Railroad Builders, Inc.
Alpha-Keystone Engineering, Inc.
Railcorp, Inc.
Merit Railroad Contractors, Inc.
Midwest Construction Services, Inc.
New England Railroad Construction Co.
Comstock Holdings, Inc.
Railroad Service, Inc.
Minnesota Railroad Service, Inc.
Southern Indiana Wood Preserving Co.
U.S. Trackworks, Inc.
Northern Rail Service & Supply Co.
W.A. Smith Construction Co., Inc.
W.A. Smith Rerailing Services, Inc.
CPI Concrete Products, Inc.





                                       19


<PAGE>   1
                                                                    EXHIBIT 10.4

                    AMENDED AND RESTATED EMPLOYMENT AGREEMENT



                  THIS AGREEMENT ("Agreement") is made and entered into as of
this 4th day of August, 1998, by and between Harold C. Kropp, Jr., an individual
resident of the State of Pennsylvania ("Employee"), and RailWorks Corporation, a
Delaware corporation (as defined below the "Holding Company").

                               W I T N E S S E T H

                  WHEREAS, the Holding Company has been created for the purpose
of carrying on the business of the entities listed on Exhibit A, which is
attached hereto and hereby incorporated by reference herein (the "Founding
Companies") and the Holding Company has completed a public offering (the "IPO")
of its common stock under applicable law;

                  WHEREAS, the Founding Companies desire that the Holding
Company employ the Employee to be the Vice President and Chief Accounting
Officer of the Holding Company on the terms and conditions as contained herein;
and

                  WHEREAS, the Employee desires to be so employed by the Holding
Company, on the terms and conditions as contained herein.

                  NOW, THEREFORE, in consideration of the premises and the
mutual promises and agreements contained herein, and other good and valuable
consideration, the receipt and sufficiency of which is hereby acknowledged by
the parties hereto, the parties hereto, intending to be legally bound, hereby
agree as follows:

                  SECTION 1.        EMPLOYMENT.

                  Subject to the terms hereof, Employer will employ Employee and
Employee hereby accepts such employment. The Employee shall serve as the Vice
President and Chief Accounting Officer of the Holding Company.

                  Subject to the terms and conditions of this Agreement, from
the date hereof, Employee agrees to devote substantially all of his business
time and best efforts to the performance of his job as Vice President and Chief
Accounting Officer of the Holding Company, subject to direction by the Board of
Directors of the Holding Company (the "Board of Directors"), as long as such
directions are consistent with the duties, responsibilities and 





<PAGE>   2



authority customarily given or required of chief accounting officers generally,
with the Employee to report his activities regularly to the Board of Directors.

                  SECTION 2.        TERM OF EMPLOYMENT.

                  The term of the Employee's employment hereunder (the "Term")
shall be from May 21, 1998 until the occurrence of any of the following events:

         (i)      The death or total disability of Employee (total disability
                  meaning the failure to fully perform his normal required
                  services hereunder for a period of six (6) consecutive months
                  during any consecutive twelve (12) month period during the
                  term hereof, as determined by an independent medical doctor
                  jointly chosen by the Employee and the Employer) by reason of
                  mental or physical disability;

         (ii)     The termination by Employer of Employee's employment
                  hereunder, upon thirty (30) days prior written notice to
                  Employee, for "good cause", as reasonably determined by the
                  Board of Directors. For purposes of this Agreement, "good
                  cause" for termination of Employee's employment shall exist
                  (A) if Employee is convicted of, pleads guilty to or confesses
                  to any felony or any act of fraud, misappropriation or
                  embezzlement, (B) if Employee has engaged in a dishonest act
                  to the material damage or prejudice of Employer or an
                  affiliate of Employer, or in conduct or activities materially
                  damaging to the property, business, or reputation of Employer
                  or an affiliate of Employer, or (C) if Employee violates any
                  of the provisions contained in Section 5 of this Agreement,
                  after receiving written notice from the Employer specifically
                  outlining the alleged violations by the Employee of Section 5
                  hereof and either (1) the Employee fails to stop the alleged
                  behavior which is claimed to be such a breach within thirty
                  (30) days of receipt by the Employee of such written notice or
                  (2) the Employer prevails in mediation or binding arbitration
                  pursuant to the commercial arbitration rules of the American
                  Arbitration Association which arbitration is commenced by the
                  Employee within thirty (30) days of receipt by the Employer of
                  such notice in accordance with the provisions of Section 5.6
                  hereof;

         (iii)    The termination by either the Employee or the Employer, upon
                  thirty (30) days written notice to the other party, in the
                  event of a Change of Control of the Employer (as defined
                  hereinbelow).

                           For purposes of this Agreement, a "Change of Control"
                  shall be deemed to have occurred if (A) any "person" (as such
                  term is used in Sections 13(d) and 14(d) of the Securities
                  Exchange Act of 1934, as amended (the "Exchange Act")),





                                        2

<PAGE>   3




                  other than a trustee or other fiduciary holding securities
                  under an employee benefit plan of the Holding Company, a
                  corporation owned directly or indirectly by the stockholders
                  of the Holding Company (immediately after the IPO) or any of
                  their respective affiliates, becomes the "beneficial owner"
                  (as defined in Rule 13d-3 under the Exchange Act), directly or
                  indirectly, of securities of the Holding Company representing
                  50% or more of the total voting power represented by the
                  Holding Company's then outstanding securities that vote
                  generally in the election of directors (referred to herein as
                  "Voting Securities"); (B) during any period of two consecutive
                  years, individuals who at the beginning of such period
                  constitute the Board of Directors and any new directors whose
                  election by the Board of Directors or nomination for election
                  by the Holding Company's stockholders was approved by a vote
                  or a majority of the directors then still in office who either
                  were directors at the beginning of the period or whose
                  election or nomination for election was previously so
                  approved, cease for any reason to constitute a majority of the
                  Board of Directors; (C) the stockholders of the Holding
                  Company approve a merger or consolidation of the Holding
                  Company with any other corporation, other than a merger or
                  consolidation (i) which would result in the Voting Securities
                  of the Holding Company outstanding immediately prior thereto
                  continuing to represent (either by remaining outstanding or by
                  being converted into Voting Securities of the surviving
                  entity) at least 50% of the total voting power represented by
                  the Voting Securities of the Holding Company or such surviving
                  entity outstanding immediately after such merger or
                  consolidation or (ii) in which 50% or more of the board of
                  directors of the surviving entity is composed of members from
                  the Board of Directors of the Holding Company; (D) the
                  stockholders of the Holding Company approve a plan of complete
                  liquidation of the Holding Company or an agreement for the
                  sale or disposition by the Holding Company of (in one
                  transaction or a series of transactions) all or substantially
                  all of the Holding Company's assets; or

         (iv)     After December 31, 2001, this Agreement shall continue upon a
                  year-to-year basis unless terminated by either the Employer or
                  the Employee upon ninety days (90) written notice to the other
                  before January 1 of the next year.





                  SECTION 3.        COMPENSATION.





                                        3

<PAGE>   4



                  3.1      Term of Employment. Employer will provide Employee
with the following salary, expense reimbursement and additional employee
benefits during the term of employment hereunder.

                  (a)      Salary. From the date of this Agreement, Employee
                           will be paid a salary (the "Base Salary") of no less
                           than One Hundred Thirty Five Thousand Dollars
                           ($135,000) per annum, less deductions and
                           withholdings required by applicable law. The Base
                           Salary shall be paid to Employee in equal monthly
                           installments (or on such more frequent basis as other
                           executives of Employer are compensated). The Base
                           Salary shall be reviewed by the Board of Directors of
                           Employer on at least an annual basis thereafter and
                           may be increased but not decreased as a result of any
                           such review.

                  (b)      Performance Bonuses. In addition to the Base Salary,
                           the Employee shall have the right to receive from the
                           Employer, and the Employer shall be obligated to pay
                           to the Employee, a performance bonus (the
                           "Performance Bonus") for each fiscal year during the
                           term of this Agreement, equal to the aggregate amount
                           determined by the bonus formulas delineated herein
                           below. Any amount of a Performance Bonus required to
                           be paid to the Employee for a fiscal year during the
                           term of this Agreement shall be paid by the Employer
                           in the first pay period of the Employer immediately
                           following the finalization of the accounting audit
                           for financial accounting purposes of the Employer for
                           the preceding fiscal year but in all events by March
                           31 of the year immediately following the end of the
                           fiscal year for which such Performance Bonus is
                           attributable.

                           The formulas to determine a Performance Bonus for any
                           fiscal year during the term of this Agreement shall
                           be as follows:

                           (i)      For each fiscal year of the Employer, .15%
                                    of the pre-tax net income, before any
                                    performance or other periodic bonuses for
                                    any of the employees of the Employer and any
                                    of its consolidated subsidiaries, of the
                                    Employer on a consolidated basis for
                                    financial accounting basis based upon
                                    applying generally accepted accounting
                                    principles and generally accepted auditing
                                    standards on a consistent basis. This bonus
                                    shall be calculated by the independent
                                    certified public accountant regularly
                                    employed by the Employer (the "CPA")
                                    applying such generally accepted accounting
                                    principles and generally accepted auditing
                                    standards on a consistent basis.



                                        4

<PAGE>   5





                           Plus

                           (ii)     For each fiscal year of the Employer, one
                                    point five percent (1.5%) of the excess of
                                    (a) the consolidated after tax net income of
                                    the Employer and its consolidated
                                    subsidiaries for a fiscal year, computed by
                                    the CPA applying generally accepted
                                    accounting principles and generally accepted
                                    auditing standards on a consistent basis
                                    over (b) the Wall Street Estimate (as
                                    hereinafter defined) for such fiscal year.
                                    For purposes of this subsection (ii)(b),
                                    Wall Street Estimate for a fiscal year shall
                                    mean the simple arithmetical average of the
                                    consolidated earnings per share estimates
                                    for a fiscal year of the Employer and its
                                    consolidated subsidiaries in the possession
                                    of First Call on the Determination Date (as
                                    hereinafter defined), translated by the CPA
                                    into the equivalent consolidated after tax
                                    net income of the Employer and its
                                    consolidated subsidiaries for such fiscal
                                    year. For purposes of this subsection
                                    (ii)(b), the Determination Date shall mean
                                    the date the IPO is consummated and
                                    thereafter shall be the first day of the
                                    fiscal year for which such computation
                                    applies.

                  (c)      Discretionary Bonus. The Board of Directors may, from
                           time to time, award the Employee an additional
                           discretionary bonus based upon such factors as the
                           Board of Directors deems appropriate. The Employer
                           shall have no entitlement to such a discretionary
                           bonus until and unless so awarded by the Board of
                           Directors.

                  (d)      Vacation. Employee shall receive four (4) weeks
                           vacation time per calendar year during the term of
                           this Agreement in addition to customary holidays
                           afforded other employees of Employer. Any unused
                           vacation days in any calendar year may not be carried
                           over to subsequent years. The Employer recognizes the
                           benefit to it of the Employee attending and
                           participating in trade seminars, conventions, and
                           similar gatherings and educational seminars and
                           encourages the Employee to attend such seminars and
                           conventions. Accordingly, any reasonable cost and
                           expenses thereof will be paid for by the Employer and
                           any time spent by the Employee at such seminars and
                           conventions shall not constitute vacation



                                        5

<PAGE>   6



                           time but shall constitute part of the Employee's
                           duties under this Agreement.

                   (e)      Expenses. Employer shall reimburse Employee, within
thirty (30) days of its receipt of a reimbursement report from the Employee, for
all reasonable and necessary expenses incurred by Employee on behalf of
Employer.

                   (f)      Benefit Plans. Employee shall have the option of
participating in such medical, dental, disability, hospitalization, life
insurance, stock option and other benefit plans (such as pension and profit
sharing plans) as Employer maintains from time to time for the benefit of other
senior executives of Employer, on the terms and subject to the conditions set
forth in such plans.

                   (g)      Relocation. In addition to other compensation and
                            reimbursement of expenses required to be paid under
                            this Agreement, Employer shall reimburse Employee
                            within ten (10) days of submission of a
                            reimbursement report:

                           (A)      Any and all of his out-of-pocket expenses of
                                    any kind or nature, incurred by Employee
                                    relating to the relocation ("Relocation") of
                                    Employee and/or his family from Pennsylvania
                                    to the Baltimore Metropolitan area
                                    including, but not limited to:

                                    I.       Packing, storage and professional
                                             mover costs relating to the
                                             furniture, clothing, household
                                             belongings and other personal
                                             property of Employee and his
                                             family.

                                    II.      Travel expenses incurred by
                                             Employee and his family in
                                             connection with commuting to and
                                             from Pennsylvania and Maryland
                                             relating to searching for a new
                                             residence ("Maryland Home") in
                                             Maryland and the sale of Employee's
                                             existing home ("Pennsylvania Home")
                                             in Pennsylvania.

                                    III.     Real estate commissions paid
                                             relating to the sale of the
                                             Pennsylvania Home.

                                    IV.      Mortgage application, points, fees,
                                             charges, appraisal, attorney fees
                                             of the mortgage lender, title
                                             insurance, survey,



                                        6

<PAGE>   7




                                             and all other costs and expenses
                                             associated with obtaining a loan
                                             and mortgage and the purchase of
                                             the Maryland Home.

                                    V.       Attorney fees incurred by Employee
                                             relating to the sale of the
                                             Pennsylvania Home and purchase of
                                             the Maryland Home.

                           (B)      Temporary housing costs in Maryland for
                                    Employee and/or his family pending
                                    completion of the Relocation, for a period
                                    not exceeding six months from the effective
                                    date of the IPO.

                  3.2      Effect of Termination. Except as hereinafter
provided, upon the termination of the employment of Employee hereunder for any
reason, Employee shall be entitled to all compensation and benefits earned or
accrued under Section 3.1 as of the effective date of termination (the
"Termination Date"), but from and after the Termination Date no additional
compensation or benefits shall be earned by Employee hereunder. Except upon
termination by the Employer of the employment of the Employee pursuant to the
provisions of Section 2(ii) hereof, Employee shall be deemed to have earned any
Performance Bonus payable with respect to the fiscal year in which the
Termination Date occurs on a prorated basis (based on the number of days in such
calendar year through and including the Termination Date divided by 365). Any
such Performance Bonus shall be payable on the date on which the Performance
Bonus would have been paid had Employee continued his employment hereunder. In
addition, the Employee and his eligible dependents shall be entitled to receive
at the sole cost of the Employer (A) the health insurance benefits specified
hereunder for a period of twelve (12) months following the Termination Date (the
"Continuation Period") and following such time period, the Employee shall be
entitled to all rights afforded to him under the Federal Omnibus Reconciliation
Act ("COBRA") to purchase continuation coverage of such health insurance
benefits for himself and his dependents for the maximum period permitted by law,
and the Employee shall be deemed to have elected to exercise his rights under
Cobra as of the first day of the Continuation Period, and (B) the life insurance
benefits specified hereinabove for the period of the Continuation Period.

                  (i)      Upon termination of this Agreement, pursuant to the
                           provisions of Sections 2 (i) or (iii) hereof, any
                           stock grants or options previously awarded to the
                           Employee, either by this Agreement or otherwise,
                           shall fully and completely vest and the Employee
                           shall be able to retain or obtain as the case may be,
                           such stock, as though there was no vesting period or
                           criteria of any kind or nature, with respect to such
                           stock. If stock options have previously been awarded
                           to the Employee, notwithstanding



                                        7

<PAGE>   8



                           any terms and conditions of such award or any plan
                           pursuant to which such stock options were awarded,
                           the Employee or his authorized representative shall
                           have a period of three (3) months from the
                           Termination Date to exercise any or all of such stock
                           options and acquire for his own benefit the shares of
                           stock covered by such stock options.

                  (ii)     Upon termination of the Agreement pursuant to the
                           terms of Section 2(ii) or (iv) hereof, all granted
                           but unvested, at the Termination Date, stock grants
                           or options shall be forfeited upon such termination;
                           provided that the Employee shall be able to retain or
                           exercise any rights for a period of one (1) month
                           after the Termination Date, notwithstanding the terms
                           and provisions of such stock options awarded or the
                           plan under which they were awarded, with respect to
                           any shares of stock granted or shares of stock
                           covered by stock options that have fully vested as of
                           the Termination Date.

                  SECTION 4.        COMMON STOCK.

                  4.1      Term of Employment. So that Employee can share in the
increase in value of the business of Employer over time, Employee will be
granted common stock of Employer as follows:

                  (i)      Stock Grant. Simultaneously with the consummation of
                           the IPO, Employee will be granted that number of
                           shares of all classes of stock of the Holding Company
                           equal to one percent (1.0%) of the number of shares
                           of all classes of stock of the Holding Company
                           outstanding immediately upon consummation of the IPO.
                           Such shares so granted shall fully and completely
                           vest on the date of issuance.

                  (ii)     Stock Splits and Recapitalization. The number of
                           shares of common stock granted hereby shall be
                           automatically adjusted to reflect any change in the
                           capitalization of the Holding Company, including, but
                           not limited to, such changes as stock dividends,
                           stock splits or recapitalizations. If any adjustment
                           under this Section would create the right of Employee
                           to acquire a fractional share of stock, such
                           fractional share shall be disregarded and the number
                           of shares of common stock subject to the grant shall
                           be the next higher number of whole shares of common
                           stock, rounding all fractions upward.

                  4.2      Stock Loan.



                                        8

<PAGE>   9




                  (i)      In order to help the Employee pay any required income
                           taxes with respect to the stock granted to the
                           Employee pursuant to the provisions of Section 4.1
                           hereof, at any time after the IPO has been
                           consummated, the Employer, upon thirty (30) days
                           written notice from the Employee, shall provide to
                           the Employee a loan (the "Loan") in an amount equal
                           to such income taxes, to be interest only for a
                           period of five (5) years, to require yearly payments
                           of simple interest at the same interest rate as the
                           Holding Company incurs to borrow funds from its
                           institutional lenders, to be collateralized only by
                           the stock granted and the Employee otherwise will not
                           be personally obligated to repay the Loan; provided
                           that upon the termination of this Agreement pursuant
                           to the provisions of Section 2(i) or (ii), the loan
                           shall be fully paid off within three (3) months of
                           the Termination Date and upon the termination of this
                           Agreement pursuant to Section 2(iii) or (iv) hereof,
                           the Loan shall be fully paid off within one (1) year
                           after the Termination Date.

                  (ii)     To the extent that the Employee has not repaid the
                           entire principal balance of the Loan plus any accrued
                           interest thereon before January 1, 2001, the Employee
                           agrees to sell, as promptly as practicable, a
                           sufficient number of shares of Common Stock to enable
                           the Employee to repay the then remaining outstanding
                           balance (unpaid principal balance and unpaid accrued
                           interest from time to time, the ("Unpaid Balance of
                           the Loan")) of the Loan after any taxes have been
                           provided for (the "Required Number of Shares"),
                           subject to the following conditions and requirements:

                           (A)      Such sales shall be made in a manner which
                                    shall reasonably not disrupt the orderly
                                    trading of Common Stock, either through open
                                    market or privately negotiated transactions
                                    as long as no sales shall be made at a price
                                    lower that 1/16 below the last sales price
                                    of Common Stock publicly traded immediately
                                    prior to such sale even if such prohibition
                                    shall cause a delay in Employee's compliance
                                    with his obligation to sell Common Stock as
                                    provided hereinabove;

                           (B)      If after January 1, 2001 the Holding Company
                                    proposes to register any of its securities
                                    under the Securities Act for sale to the
                                    public for its own account or for the
                                    account of other security holders or both,
                                    the Holding Company may, upon 30 days prior
                                    written notice to the Employee, require the
                                    Employee to include the Required



                                        9

<PAGE>   10



                                    Number of Shares in such offering and to
                                    sell such shares as part of such offering.
                                    In such event, all of the costs of
                                    registering the Required Number of Shares,
                                    including but not limited to, all
                                    registration and filing fees, printing
                                    expenses, fees and disbursements of counsel
                                    and independent public accountants for the
                                    Holding Company; fees of the National
                                    Association of Securities Dealers, Inc.,
                                    state Blue Sky fees and expenses, transfer
                                    taxes, fees of transfer agents and
                                    registrars and costs of insurance; and all
                                    underwriting discounts and selling
                                    commissions applicable to the sale of shares
                                    other than the Required Number of Shares,
                                    shall be paid by the Holding Company.
                                    Notwithstanding the above, the Employee
                                    shall pay all underwriting discounts and
                                    selling commissions directly payable with
                                    respect to the registration of the Required
                                    Number of Shares; or

                           (C)      If, as of June 1, 2001, Employee has not yet
                                    disposed of the Required Number of Shares,
                                    the Holding Company will repurchase from the
                                    Employee the Required Number of Shares at a
                                    per share price equal to 1/16 lower than the
                                    average of the closing sales price for the
                                    Common Stock as reported on the national
                                    stock exchange on which the Holding
                                    Company's stock trades for a ten (10) day
                                    period prior to the date of such sale to the
                                    Holding Company, provided, however, that
                                    such repurchase shall only be required if it
                                    can be effected in a manner that complies
                                    with all applicable securities laws.

                  Notwithstanding anything contained herein to the contrary, the
Employee shall not be required to sell any of the Required Number of Shares
unless the net proceeds paid to the Employee as a result of such shares equals
or exceeds 150% of the IPO Price per share.

                  Nothing in this Section 4.2(ii) shall be construed to require
the Employee to sell common stock except in compliance with all applicable
securities laws. Any delay imposed due to compliance with requirements of
applicable securities laws shall suspend the Employee's obligation to sell
Common Stock as otherwise provided hereinabove.

                  Lastly, notwithstanding anything to the contrary contained in
this Section 4.2(ii), the Employee shall have the right but not the obligation,
at any time and from time to time, to repay the Unpaid Balance of the Loan from
his personal resources.



                                       10

<PAGE>   11




                  4.3      Securities Act. THE SHARES OF COMMON STOCK (THE
"SHARES") GRANTED PURSUANT TO THIS AGREEMENT HAVE NOT BEEN REGISTERED UNDER THE
SECURITIES ACT OF 1933, AS AMENDED (THE "ACT"), OR ANY APPLICABLE STATE
SECURITIES LAWS, THE SHARES ARE OFFERED PURSUANT TO EXEMPTIONS PROVIDED BY
SECTION 4(2) OF THE ACT AND CERTAIN RULES AND REGULATIONS PROMULGATED PURSUANT
THERETO. THE SHARES MAY NOT BE TRANSFERRED BY THE EMPLOYEE IN THE ABSENCE OF AN
EFFECTIVE REGISTRATION STATEMENT UNDER THE ACT AND ANY APPLICABLE STATE
SECURITIES LAWS OR AN OPINION OF COUNSEL ACCEPTABLE TO EMPLOYER AND ITS COUNSEL,
WHICH ACCEPTANCE SHALL NOT BE UNREASONABLY WITHHELD, THAT SUCH REGISTRATION IS
NOT REQUIRED.

                  At such time as counsel for the Employee, which is acceptable
to the Holding Company, which acceptance shall not be unreasonably withheld,
opines that the aforementioned stock restriction and legend can be removed from
the certificates representing stock granted pursuant to Section 4.1(i) hereof in
accordance with applicable securities law, the Holding Company agrees to delete
any such legend from the certificates representing such shares that have been so
granted.

                  SECTION 5.        PARTIAL RESTRAINT ON COMPETITION.

                  5.1      Definitions. For the purposes of this Section 5, the
following definitions shall apply.

                           (a)      "Company Activities" means the business of
                                    construction and maintenance of railway beds
                                    and tracks; construction and maintenance of
                                    elevated rail systems and structures;
                                    construction and maintenance of railway
                                    switching and signaling equipment,
                                    distributorships and supply in the field of
                                    rail and railway construction materials;
                                    distributorships and supply in the field of
                                    electromechanical controls for use in the
                                    railroad industry, namely, railway switching
                                    equipment and railway signaling equipment;
                                    and design for others in the field of
                                    railroad industry, namely, engineering
                                    design of rail and railway related
                                    structures and equipment or any other
                                    business of the Employer and its
                                    consolidated (for financial accounting
                                    purposes) subsidiaries (the "Consolidated
                                    Group") which said entities are engaged in
                                    on the Termination Date as long as such
                                    business generated gross sales of at least
                                    10% or more of the total gross sales of the
                                    Consolidated



                                       11

<PAGE>   12



                                    Group for the most recent fiscal year of the
                                    Employer before or on the Termination Date.

                           (b)      "Competitor" means any business, individual,
                                    partnership, joint venture, association,
                                    firm, corporation or other entity, other
                                    than the Employer or its affiliates or
                                    subsidiaries, engaged, wholly or partly, in
                                    Company Activities.

                           (c)      "Competitive Position" means (i) having any
                                    financial interest in a Competitor,
                                    including but not limited to, the direct or
                                    indirect ownership or control of all or any
                                    portion of a Competitor, or acting as a
                                    partner, officer, director, principal, agent
                                    or trustee of any Competitor or (ii)
                                    engaging in any employment or independent
                                    contractor arrangement, business or other
                                    activity with any Competitor whereby
                                    Employee will serve such Competitor in any
                                    senior managerial capacity.

                           (d)      "Confidential Information" means any
                                    confidential, proprietary business
                                    information or data belonging to or
                                    pertaining to Employer that does not
                                    constitute a "Trade Secret" (as hereinafter
                                    defined) and that is not generally known by
                                    or available through legal means to the
                                    public, including, but not limited to,
                                    information regarding Employer's customers
                                    or actively sought prospective customers,
                                    acquisition targets, suppliers,
                                    manufacturers and distributors gained by
                                    Employee as a result of his employment with
                                    Employer.

                           (e)      "Customer" means actual customers or
                                    actively sought prospective customers of
                                    Employer during the Term.

                           (f)      "Noncompete Period" or "Nonsolicitation
                                    Period" means the period beginning the date
                                    hereof and ending on the second anniversary
                                    of the termination of Employee's employment
                                    with Employer; provided that such Noncompete
                                    Period or Nonsolicitation Period shall end
                                    on the Termination Date in the event this
                                    Agreement is terminated pursuant to the
                                    provisions of Section 2 (iii) hereof and,
                                    provided further, that the Noncompete Period
                                    or Nonsolicitation Period may be shortened
                                    at the discretion of the Board of Directors
                                    of Employer.



                                       12

<PAGE>   13




                           (g)      "Territory" means the area within a one
                                    hundred (100) mile radius of any corporate
                                    office or job site of Employer or any of its
                                    subsidiaries, affiliates or divisions.

                           (h)      "Trade Secrets" means information or data of
                                    or about Employer, including but not limited
                                    to technical or non-technical data,
                                    formulas, patterns, compilations, programs,
                                    devices, methods, techniques, drawings,
                                    processes, financial data, financial plans,
                                    products plans, or lists of actual or
                                    potential customers, clients, distributees
                                    or licensees, information concerning
                                    Employer's finances, services, staff,
                                    contemplated acquisitions, marketing
                                    investigations and surveys, that are not
                                    generally known to, and/or are not readily
                                    ascertainable by legal means by, other
                                    persons.

                           (i)      "Work Product" means any and all work
                                    product property, data documentation or
                                    information of any kind prepared, conceived,
                                    discovered, developed or created by Employee
                                    for Employer or its affiliates, or any of
                                    Employer's or its affiliates' clients or
                                    customers for utilization in Company
                                    Activities, not generally known by and/or
                                    not readily ascertainable by proper means by
                                    other persons who can obtain economic value
                                    from their disclosure or use.

                  5.2      Trade Name and Confidential Information.

                           (a)      Employee hereby agrees that (i) with regard
                                    to each item constituting all or any portion
                                    of the Trade Secrets and Confidential
                                    Information, at all times during the Term
                                    and all times during which such item
                                    continues to constitute a Trade Secret or
                                    Confidential Information, respectively:

                                    (i)     Employee shall not, directly or by
                                            assisting others own, manage,
                                            operate, join, control or
                                            participate in the ownership,
                                            management, operation or control of,
                                            or be connected in any manner with,
                                            any business conducted under any
                                            corporate or trade name of Employer
                                            or name confusingly similar thereto,
                                            without the prior written consent of
                                            Employer;



                                       13

<PAGE>   14



                                    (ii)    Employee shall hold in confidence
                                            all Trade Secrets and all
                                            Confidential Information and will
                                            not, either directly or indirectly,
                                            use, sell, lend, lease, distribute,
                                            license, give, transfer, assign,
                                            show, disclose, disseminate,
                                            reproduce, copy, appropriate or
                                            otherwise communicate any Trade
                                            Secrets or Confidential Information,
                                            without the prior written consent of
                                            Employer; and

                                    (iii)   Employee shall immediately notify
                                            Employer of any unauthorized
                                            disclosure or use of any Trade
                                            Secrets or Confidential Information
                                            of which Employee becomes aware.
                                            Employee shall assist Employer, to
                                            the extent necessary, in the
                                            procurement or any protection of
                                            Employer's rights to or in any of
                                            the Trade Secrets or Confidential
                                            Information.

                           (b)      Upon the request of Employer and, in any
                                    event, upon the termination of Employee's
                                    employment with Employer, Employee shall
                                    deliver to Employer all memoranda, notes,
                                    records, manuals and other documents,
                                    including all copies of such materials and
                                    all documentation prepared or produced in
                                    connection therewith, pertaining to the
                                    performance of Employee's services hereunder
                                    or Employer's business or containing Trade
                                    Secrets or Confidential Information, whether
                                    made or complied by Employee or furnished to
                                    Employee from another source by virtue of
                                    Employee's employment with Employer.

                           (c)      To the greatest extent possible, all Work
                                    Product shall be deemed to be "work made for
                                    hire" (as defined in the Copyright Act, 17
                                    U.S.C.A.ss.ss.101 et seq., as amended) and
                                    owned exclusively by Employer. Employee
                                    hereby unconditionally and irrevocably
                                    transfers and assigns to Employer all
                                    rights, title and interest Employee may have
                                    in or to any and all Work Product,
                                    including, without limitation, all patents,
                                    copyrights, trademarks, service marks and
                                    other intellectual property rights. Employee
                                    agrees to execute and deliver to Employer
                                    any transfers, assignments, documents or
                                    other instruments which Employer may deem
                                    necessary or appropriate to vest complete
                                    title and ownership of any and all such Work
                                    Product, and all rights therein, exclusively
                                    in Employer.



                                       14

<PAGE>   15




                  5.3      Noncompetition.

                           (a)      The parties hereto acknowledge that Employee
                                    is conducting Company Activities throughout
                                    the Territory. Employee acknowledges that to
                                    protect adequately the interest of Employer
                                    in the business of Employer it is essential
                                    that any noncompete covenant with respect
                                    thereto cover all Company Activities and the
                                    entire Territory.

                           (b)      Employee hereby agrees that, during the Term
                                    and the Noncompete Period, Employee will
                                    not, in the Territory, either directly or
                                    indirectly, alone or in conjunction with any
                                    other party, accept, enter into or take any
                                    action in conjunction with or in furtherance
                                    of a Competitive Position with Employer.
                                    Employee shall notify Employer promptly in
                                    writing if Employee receives an offer of a
                                    Competitive Position during the Noncompete
                                    Term, and such notice shall describe all
                                    material terms of such offer.

                  Nothing contained in this Section 5 shall prohibit Employee
from acquiring not more than five percent (5%) of any Competitor, or from
acquiring any percentage of any company which is non-competitive with Employer,
whose common stock is publicly traded on a national securities exchange or in
the over-the-counter market.

                  5.4      Nonsolicitation During Employment Term. Employee
hereby agrees that Employee will not, during the Term, either directly or
indirectly, alone or in conjunction with any other party:

                           (a)      solicit, divert or appropriate or attempt to
                                    solicit, divert or appropriate, any Customer
                                    for the purpose of providing the Customer
                                    with services or products competitive with
                                    those offered by Employer during the Term,
                                    or

                           (b)      solicit or attempt to solicit any officer,
                                    director, employee, consultant, contractor,
                                    agent, lessor, lessee, licensor, licensee,
                                    supplier or any shareholder of any of the
                                    Founding Companies or other personnel of
                                    Employer or any of its affiliates or
                                    subsidiaries to terminate, alter or lessen
                                    that party's affiliation with Employer or
                                    such affiliate or subsidiary or to violate
                                    the terms of any



                                       15

<PAGE>   16



                                    agreement or understanding between such
                                    employee, consultant, contractor or other
                                    person and Employer.

                  5.5      Nonsolicitation During Nonsolicitation Period.
Employee hereby agrees that Employee will not, during the Nonsolicitation
Period, either directly or indirectly, alone or in conjunction with any other
party:

                           (a)      solicit, divert or appropriate or attempt to
                                    solicit, divert or appropriate, any Customer
                                    for the purpose of providing the Customer
                                    with services or products that qualify as
                                    Company Activities during the Term;
                                    provided, however, that the covenant in this
                                    clause shall limit Employee's conduct only
                                    with respect to those Customers with whom
                                    Employee had substantial contact (through
                                    direct or supervisory interaction with the
                                    Customer or the Customer's account) during a
                                    period of time up to but no greater than two
                                    (2) years prior to the last day of the Term;
                                    or

                           (b)      solicit or attempt to solicit any officer,
                                    director, employee, consultant, contractor,
                                    agent, lessor, lessee, licensor, licensee,
                                    supplier or any shareholder of any of the
                                    Founding Companies or other personnel of
                                    Employer or any of its affiliates or
                                    subsidiaries residing at the time of the
                                    solicitation in the Territory to terminate,
                                    alter or lessen that party's affiliation
                                    with Employer or such affiliate or
                                    subsidiary or to violate the terms of any
                                    agreement or understanding between such
                                    employee, consultant, contractor or other
                                    person and Employer. For purposes of this
                                    clause (b), employees, consultants,
                                    contractors, or other personnel are those
                                    with knowledge of or access to Trade Secrets
                                    and Confidential Information of the
                                    Employer.

                  5.6      Binding Arbitration. The parties shall refer any
dispute as to whether or not the Employee has violated the provisions of this
Section 5 to a mediator and, in the event that mediation is unsuccessful, such
dispute shall be resolved by binding arbitration in accordance with the
Commercial Arbitration Rules of the American Arbitration Association. The
arbitrator shall be selected by the mediator. The cost of the mediator and, if
necessary, the arbitrator and all other costs of the mediation and, if
necessary, the arbitration shall be split equally between the Employee and the
Employer, except for attorneys fees which shall be paid by the party employing
such attorney.

                  SECTION 6.        MISCELLANEOUS.



                                       16

<PAGE>   17




                  6.1      Severability. The covenants in this Agreement shall
be construed as covenants independent of one another and as obligations distinct
from any other contract between Employee and Employer.

                  6.2      Survival of Obligations. The covenants in Section 5
of this Agreement shall survive termination of Employee's employment, except in
the case of termination of this Agreement pursuant to the provisions of Section
2(iii) hereof, in which case they shall terminate also and have no further force
or legal effect as of the Termination Date.


                  6.3      Notices. Any notice or other document to be given
hereunder by any party hereto to any other party hereto shall be in writing and
delivered in person or by courier, by telecopy transmission or sent by any
express mail service, postage or fees prepaid at the following addresses:

                  HOLDING COMPANY

                  RailWorks Corporation
                  c/o L.K. Comstock & Company, Inc.
                  One North Lexington Avenue
                  White Plains, New York   10601
                  Attention: RailWorks Chief Executive Officer
                  Telecopy No.: (914) 285-9879

                  EMPLOYEE

                  Mr. Harold C. Kropp, Jr.
                  1757 McConnell Drive
                  Williamsport, PA 17701

or at such other address or number for a party as shall be specified by like
notice. Any notice which is delivered in the manner provided herein shall be
deemed to have been duly given to the party to whom it is directed upon actual
receipt by such party or its agent.

                  6.4      Binding Effect. This Agreement enures to the benefit
of, and is binding upon, Employer and their respective successors and assigns,
and Employee, together with Employee's executor, administrator, personal
representative, heirs, and legatees.

                  6.5      Entire Agreement. This Agreement is intended by the
parties hereto to be the final expression of their agreement with respect to the
subject matter hereof and is the



                                       17

<PAGE>   18



complete and exclusive statement of the terms thereof, notwithstanding any
representations, statements or agreements to the contrary heretofore made. This
Agreement supersedes and terminates all prior employment and compensation
agreements, arrangements and understandings between or among Employer and
Employee. This Agreement may be modified only by a written instrument signed by
all of the parties hereto.

                  6.6      Governing Law. This Agreement shall be deemed to be
made in, and in all respects shall be interpreted, construed, and governed by
and in accordance with, the laws of the State of Maryland. No provision of this
Agreement shall be construed against or interpreted to the disadvantage of any
party hereto by any court of other governmental or judicial authority or by any
board of arbitrators by reasons of such party or its counsel having or being
deemed to have structured or drafted such provision.

                  6.7      Headings. The section and paragraph headings
contained in this Agreement are for reference purposes only and shall not affect
in any way the meaning or interpretation of this Agreement.

                  6.8      Specific Performance. Each party hereby agrees that
any remedy at law for any breach of provisions contained in this Agreement shall
be inadequate and that the other parties hereto shall be entitled to specific
performance and any other appropriate injunctive relief in addition to any other
remedy such party might have under this Agreement or at law or in equity.

                  6.9      Counterparts. This Agreement may be executed in two
or more counterparts, each of which shall be deemed to be an original but all of
which together shall constitute one and the same instrument.

                  6.10     Other Employment Agreements. Without the prior
written consent of Employee, no person that is subsequently hired by RailWorks
in a position comparable to the position held by Employee shall be offered an
employment agreement that contain benefits terms that are more favorable to such
person than the terms contained herein.



                                       18

<PAGE>   19




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


                                       HOLDING COMPANY

                                       RAILWORKS CORPORATION



                                       By:  /s/ John G. Larkin           (SEAL)
                                            -----------------------------
                                            John G. Larkin
                                            Chief Executive Officer

                                       EMPLOYEE



                                       /s/ Harold C. Kropp, Jr.          (SEAL)
                                       ----------------------------------
                                       Harold C. Kropp, Jr.





                                       19

<PAGE>   20


                                    EXHIBIT A


Annex Railroad Builders, Inc.
Mize Construction Company
Railroad Specialties, Inc.
U.S. Railway Supply, Inc.
Comtrak Construction, Inc.
Condon Brothers, Inc.
HP McGinley, Inc.
Kennedy Railroad Builders, Inc.
Alpha-Keystone Engineering, Inc.
Railcorp, Inc.
Merit Railroad Contractors, Inc.
Midwest Construction Services, Inc.
New England Railroad Construction Co.
Comstock Holdings, Inc.
Railroad Service, Inc.
Minnesota Railroad Service, Inc.
Southern Indiana Wood Preserving Co.
U.S. Trackworks, Inc.
Northern Rail Service & Supply Co.
W.A. Smith Construction Co., Inc.
W.A. Smith Rerailing Serviceds, Inc.
CPI Concrete Products, Inc.






                                       20

<PAGE>   21





















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<TABLE> <S> <C>

<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
FINANCIAL STATEMENTS OF RAILWORKS CORPORATION FOR THE PERIOD ENDED JUNE 30, 1998
AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
       
<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-START>                             JAN-01-1998
<PERIOD-END>                               JUN-30-1998
<CASH>                                          55,000
<SECURITIES>                                         0
<RECEIVABLES>                                        0
<ALLOWANCES>                                         0
<INVENTORY>                                          0
<CURRENT-ASSETS>                                55,000
<PP&E>                                               0
<DEPRECIATION>                                       0
<TOTAL-ASSETS>                                  55,000
<CURRENT-LIABILITIES>                           55,000
<BONDS>                                              0
                                0
                                          0
<COMMON>                                             0
<OTHER-SE>                                           0
<TOTAL-LIABILITY-AND-EQUITY>                    55,000
<SALES>                                              0
<TOTAL-REVENUES>                                     0
<CGS>                                                0
<TOTAL-COSTS>                                        0
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                                      0
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                                  0
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                         0
<EPS-PRIMARY>                                        0
<EPS-DILUTED>                                        0
        

</TABLE>


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