SPECIALTY TELECONSTRUCTORS INC
10QSB, 1997-05-19
WATER, SEWER, PIPELINE, COMM & POWER LINE CONSTRUCTION
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<PAGE>
 
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------

                    U.S. Securities and Exchange Commission
                             Washington, D.C. 20549
                                        
                                  Form 10-QSB


(Mark One)

[X]  QUARTERLY REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE
     ACT OF 1934

     For the quarterly period ended March 31, 1997

[ ]  TRANSITION REPORT UNDER SECTION 13 OR 15(d) OF THE EXCHANGE ACT

     For the transition period from __________________ to ______________

                         COMMISSION FILE NUMBER 1-13272
                                        
                        SPECIALTY TELECONSTRUCTORS, INC.
                 (Name of small business issuer in its charter)

                 NEVADA                                       85-0421409
      (State or other jurisdiction of                       (I.R.S. Employer
        incorporation or organization)                     Identification No.)

         12001 STATE HWY 14 NORTH
         CEDAR CREST, NEW MEXICO                                87008
  (Address of principal executive offices)                     (Zip Code)

                   Issuer's telephone number: (505) 281-2197

Check whether the issuer (1) filed all reports required to be filed by
Section 13 or 15(d) of the Exchange Act 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 / /

                      APPLICABLE ONLY TO CORPORATE ISSUERS

State the number of shares outstanding of each of the issuer's classes
of common equity, as of the latest practicable date: 5,130,700 on May 14, 1997

The Index to Exhibits appears on page 
                                      -
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
<PAGE>
 
                       SPECIALTY TELECONSTRUCTORS, INC.

                                     INDEX
                                     -----

   
                                                                        Page
                                                                        ----
PART I - FINANCIAL INFORMATION

ITEM 1. - FINANCIAL STATEMENTS

     Consolidated Balance Sheets of Specialty Teleconstructors,
     Inc. at March 31, 1997 and 1996 (unaudited)                          -

     Consolidated Statements of Earnings of Specialty
     Teleconstructors, Inc. for the three- and nine-month
     periods ended March 31, 1997 and 1996 (unaudited)                    -
 
     Consolidated Statements of Cash Flows of Specialty
     Teleconstructors, Inc. for the nine-month
     periods ended March 31, 1997 and 1996 (unaudited)                    -

     Consolidated Statements of Changes in Stockholders
     Equity of Specialty Teleconstructors, Inc. for the
     nine-month periods ended March 31, 1997 and 1996 (unaudited)         -

     Notes to the Consolidated Financial Statements of
     Specialty Teleconstructors, Inc. as of March 31, 1997
     and 1996 (unaudited)                                                 -

ITEM 2. - MANAGEMENT'S DISCUSSION AND ANALYSIS OR PLAN OF OPERATION       -

PART II - OTHER INFORMATION

ITEM 1. - LEGAL PROCEEDINGS                                               -

ITEM 2. - CHANGES IN SECURITIES                                           -

ITEM 3. - DEFAULTS UPON SENIOR SECURITIES                                 -

ITEM 4. - SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS             -

ITEM 5. - OTHER INFORMATION                                               -

ITEM 6. - EXHIBITS AND REPORTS ON FORM 8-K                                -

SIGNATURES                                                                -
<PAGE>
 
PART I - FINANCIAL INFORMATION
ITEM 1. - FINANCIAL STATEMENTS


                       SPECIALTY TELECONSTRUCTORS, INC.
                          Consolidated Balance Sheets
                            March 31, 1997 and 1996
                                  (unaudited)


                          ASSETS

<TABLE> 
<CAPTION> 
                                                    1997            1996
                                                    ----            ----
<S>                                              <C>             <C> 
Current Assets:
        Cash and cash equivalents               $   5,430,424   $   4,048,540   
        Contracts Receivable                        8,563,416       3,774,343
        Costs and estimated earnings in                          
         excess of billings on uncompleted                       
         contracts                                  1,408,651         808,019
        Other                                         430,471         331,517
                                                -------------   -------------
            Total current assets                $  15,832,962   $   8,962,419

Property and equipment, net                         4,992,776       1,744,563
                                                                 
Other assets, net                                     680,474         548,197
                                                -------------   -------------
                                                $  21,506,212   $  11,255,179
                                                =============   =============

             LIABILITIES AND STOCKHOLDERS' EQUITY

Current Liabilities: 
        Trade accounts payable                  $   3,028,137   $   1,020,450
        Short-term notes payable                    2,863,929         600,000
        Billings in excess of costs and                          
         estimated earnings on uncompleted                       
         contracts                                    401,508         218,000
        Accrued expenses                              274,532         672,031
        Current installments of notes                            
         payable to banks                             390,000          53,648
        Current income taxes payable                  310,609         490,951
        Deferred income taxes                         231,645         692,964
                                                -------------   -------------
            Total current liabilities           $   7,500,360   $   3,748,044

Deferred income taxes                           $     131,792   $         -

Notes payable to banks, excluding current
 installments                                   $   1,165,757   $     160,944
                                                -------------   -------------

            Total Liabilities                   $   8,797,909   $   3,908,988
                                                -------------   -------------
Stockholders' Equity:
        Common stock                            $      51,307   $      44,923
        Additional paid-in capital                  7,785,402       4,164,859
        Retained earnings                           4,871,594       3,136,409
                                                -------------   -------------
                Total stockholders' equity      $  12,708,303   $   7,346,191
                                                -------------   -------------
                                                                
                                                $  21,506,212   $  11,255,179
                                                =============   =============
</TABLE> 

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

<PAGE>

                       SPECIALTY TELECONSTRUCTORS, INC.
                      Consolidated Statements of Earnings
                                  (Unaudited)

<TABLE> 
<CAPTION> 

                                                    Three-month period ended                  Nine-month period ended
                                                           March 31,                                 March 31,
                                               ---------------------------------          ---------------------------------
                                                      1997              1996                   1997                 1996
                                                      ----              ----                   ----                 ----
<S>                                            <C>                  <C>                   <C>                  <C> 
Contract revenues                              $ 10,338,648         $  4,680,315          $ 32,620,262         $ 14,631,358

Cost of revenues earned                        $  9,121,766         $  4,230,669          $ 28,180,489         $ 12,496,682
                                               ------------         ------------          ------------         ------------ 

        Gross profit                           $  1,216,882         $    449,646          $  4,439,773         $  2,134,676

Selling, general and administrative expenses   $    791,599         $    455,592          $  2,512,584         $  1,580,575
                                               ------------         ------------          ------------         ------------ 
        Earnings(loss) from operations         $    425,283         $     (5,946)         $  1,927,189         $    554,101

Other income (deductions):
        Interest income                        $     40,120         $     55,905          $     70,610         $    172,695
        Interest expense                            (45,975)             (20,466)             (103,073)             (56,595)
        Other, net                                    1,926               13,086                50,179               36,535
                                               ------------         ------------          ------------         ------------ 
                                               $     (3,929)        $     48,525          $     17,716         $    152,635
                                               ------------         ------------          ------------         ------------ 

        Earnings before income taxes           $    421,354         $     42,579          $  1,944,905         $    706,736

Income taxes                                   $    165,894         $     15,446          $    730,175         $    259,818
                                               ------------         ------------          ------------         ------------ 
        Net earnings                           $    255,460         $     27,133          $  1,214,730         $    446,918
                                               ============         ============          ============         ============

Earnings per common share and common
  equivalent shares:
        Net earnings                           $       0.05         $       0.01          $       0.25         $       0.10 
                                               ============         ============          ============         ============
        Weighted average common shares
        outstanding                               5,020,060            4,504,257             4,782,307            4,504,257
                                               ============         ============             =========            =========
</TABLE> 

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

<PAGE>

                       SPECIALTY TELECONSTRUCTORS, INC.
                     Consolidated Statements of Cash Flows
           For the nine-month periods ended March 31, 1997 and 1996

<TABLE> 
<CAPTION> 
                                                                                      1997                 1996
                                                                                      ----                 ----
<S>                                                                              <C>                 <C> 
Consolidated Statements of Cash Flows:
Cash flows from operating activities:
          Net earnings                                                           $   1,214,730       $    446,918
          Adjustments to reconcile net earnings to
           net cash provided by operating activities:

          Depreciation                                                                 736,233            285,407
          Amortization of goodwill                                                      98,594             48,287
          Gain on sale of equipment, net                                                   -                7,273
          Changes in certain assets and liabilities:                                                  
              Contracts receivable                                                  (1,510,842)          (407,552) 
              Costs and estimated earnings in excess                                                  
               of billings on uncompleted contracts                                   (266,203)          (514,946)
              Other assets                                                             (23,187)          (293,688)
              Trade accounts payable                                                   873,410            801,046
              Billings in excess of costs and estimated                                               
               earnings on uncompleted contracts                                       158,928            (27,646)
              Accrued expenses                                                        (653,485)           265,472
              Current income taxes                                                    (268,346)           478,049
              Deferred income taxes                                                   (204,588)          (273,028)
                                                                                 -------------       ------------

               Net provided by operating activities                              $     155,244       $    815,592
                                                                                 -------------       ------------
Cash flows from investing activities:
          Proceeds from sales of property and equipment                          $         -         $     18,727  
          Purchases of property and equipment                                       (2,988,078)          (802,259)
          Cash expended in Data Cell Acq                                              (160,000)              -
                                                                                 -------------       ------------
              Net cash used in investing                                         $  (3,148,078)      $   (783,532)
                                                                                 -------------       ------------

Cash flows from financing activities:                   
          Line of credit with bank, net                                          $     963,929       $       -     
          Borrowings from note payable with banks                                    1,533,003               -     
          Proceeds from sale of stock                                                2,961,417               -     
          Principal payments on notes payable to banks                                (161,523)           (65,361)
                                                                                 -------------       ------------ 
              Net cash provided (used) by financing                                                   
                activities                                                       $   5,296,826       $    (65,361)
                                                                                 -------------       ------------ 
                                                                                          
              Net increase (decrease) in cash                                                  
                and cash equivalents                                             $   2,303,992       $    (33,301)
                                                                                                  
Cash and cash equivalents:                                                                        
          Beginning of year                                                      $   3,126,432       $  4,081,841 
                                                                                 -------------       ------------  
                                                                                                  
          End of quarter                                                         $   5,430,424       $  4,048,540     
                                                                                 =============       ============ 
                                                                                                  
                                                                                                  
Supplemental disclosure of cash flow information:                                                 
                                                                                                  
          Interest paid                                                          $      57,717       $     56,595 
                                                                                 =============       ============ 
                                                                                                  
          Taxes paid                                                             $   1,132,919       $     62,467 
                                                                                 =============       ============ 
                                                                                                  
                                                                                                  
          Non-cash transactions:                                                                  
            Acquisition of vehicles in exchange                                                   
             for debt                                                            $   1,533,003       $    270,557 
                                                                                 =============       ============
                                                                                                            
          Data Cell Systems, Inc. Acquisition:                                                                   
              Consisting of:                                                                                     
              Accounts receivable                                                $     200,000       $      -   
              Property and equipment                                                   267,000              -   
              Other current assets                                                     100,000              -   
              Goodwill                                                                 258,510              -   
                                                                                 -------------       ------------ 
                                                                                 $     825,510       $      -   
                                                                                 =============       ============  
</TABLE> 
The accompanying notes are an integral part of these consolidated financial 
statements.
<PAGE>
 
                       SPECIALTY TELECONSTRUCTORS, INC.
           Consolidated Statements of Changes in Stockholders Equity
           For the nine-month periods ended March 31, 1997 and 1996
                                  (unaudited)
<TABLE> 
<CAPTION> 
                                                                          Additional
                                                  Common Stock             paid-in         Retained
                                            ------------------------
                                            Shares         Amount          capital         earnings           Total
                                            ------         ------          -------         --------           -----

<S>                                         <C>         <C>            <C>              <C>              <C> 
Balances at June 30, 1995                   4,492,309   $     44,923   $    4,164,859   $    2,689,491   $     6,899,273

Net earnings                                        0   $        -     $          -     $      446,918   $       446,918
                                                    -   ----------     ------------     --------------   ---------------

Balances at March 31, 1996                  4,492,309   $     44,923   $    4,164,859   $    3,136,409   $     7,346,191
                                            =========   ============   ==============   ==============   ===============



Balances at June 30, 1996                   4,492,308   $     44,923   $    4,164,859   $    3,656,864   $     7,866,646

Issuance of common shares
 to acquire Data Cell Services, Inc.           93,405   $        934   $      644,576   $          -     $       665,510

Issuance of common stock                      544,987   $      5,450   $    2,955,967   $          -     $     2,961,417

Net earnings                                        0   $        -     $          -     $    1,214,730   $     1,214,730
                                                    -   ----------     ------------     --------------   ---------------

Balances at March 31, 1997                  5,130,700   $     51,307   $    7,785,402   $    4,871,594   $    12,708,303
                                            =========   ============   ==============   ==============   ===============
</TABLE> 
The accompanying notes are an integral part of these consolidated financial 
statements.
<PAGE>

                        SPECIALTY TELECONSTRUCTORS, INC.
                   Notes to Consolidated Financial Statements
                            March 31, 1997 and 1996
                                  (Unaudited)

Note 1:  Basis of Presentation

The consolidated financial statements and notes thereto at March 31, 1997 and
1996 and for the three and nine-month periods ended March 31, 1997 and 1996
reflect the acquisition of Novak & Lackey Construction Co., Inc., an Oklahoma
City, Oklahoma-based builder of wireless transmitting, receiving and switching
facilities. The acquisition was structured as a merger (the "Merger") of N&L
Acquisition, Inc., an Oklahoma corporation and a wholly-owned subsidiary of the
Company ("N&L Acquisition") with and into Novak and Lackey, with Novak & Lackey
being the surviving corporation. The acquisition was accounted for as a pooling
of interests. Accordingly, the consolidated financial statements and notes
thereto at March 31, 1997 and 1996 and for the three and nine-month periods
ended March 31, 1997 and 1996 are presented as if the acquisition of Novak &
Lackey had occurred at the beginning of all periods presented.

The consolidated financial statements and notes thereto at March 31, 1997 and
for the three and nine-month periods ended March 31, 1997 and 1996 are unaudited
and do not present all disclosures required under generally accepted accounting
principles but instead, as permitted by Securities and Exchange Commission
regulations, presume that users of the interim financial statements have read or
have access to the June 30, 1996 audited consolidated financial statements and
notes thereto contained in the Company's annual report on Form 10-KSB for the
fiscal year ended June 30, 1996, and that the adequacy of additional disclosure
needed for a fair presentation may be determined in that context.

The financial information included herein reflects all adjustments (consisting
of normal recurring adjustments) which are, in the opinion of management,
necessary to a fair presentation of the results for interim periods.  The
results of operations for the nine-month period ended March 31, 1997 are not
necessarily indicative of the results to be expected for the full year.

Note 2

On February 20, 1997, the Company notified holders of it publicly traded
Redeemable Common Stock Purchase Warrants ("Warrants") that it intended to
redeem all outstanding Warrants on March 26, 1997 (the "Redemption Date") at a
redemption price of $.05 per Warrant. After February 20, 1997, each Warrant
entitled the holder thereof to purchase one (1) share of Common Stock for a
purchase price of $6.00 until the Redemption Date.  Prior to the Redemption
Date, Warrants covering 495,255 shares of Common Stock (approximately 99%
of the publicly traded Warrants outstanding), were exercised. The Warrants
ceased trading on March 24, 1997. The Company received approximately
$2,900,000 as a result of such Warrant exercises.

In addition, during March 1997, Dillon-Gage Securities, Inc. ("Dillon-Gage"),
one of the underwriters of the Company's initial public offering in November
1994, exercised (i) 12,500 Underwriters' Warrants that were issued to Dillon-
Gage in connection with the initial public offering and (ii) 12,500 Warrants
included in said Underwriter's Warrants. Each Underwriters' Warrant entitles the
holder thereof to purchase one (1) Unit of the Company at an exercise price of
$12.15 per Unit until November 3, 1999. Each Unit consists of two (2) shares of
Common Stock and one (1) Warrant. In connection with these exercises by Dillon-
Gage, the Company issued a total of 37,500 shares of Common Stock and received
approximately $226,875.

ITEM 2 - MANAGEMENT'S DISCUSSION AND ANALYSIS OR PLAN OF OPERATION.

For the Three-Month Periods Ended March 31, 1997 and 1996, Results of Operations

Revenues. The Company's revenues for the three-month period ended March 31,
1997, increased approximately 121% to $10,338,648 as compared to $4,680,315 for
the same three-month period in the prior year. The Company attributed the
increase in revenues to growth in the Company's wireless infrastructure building
and implementation services business related primarily to an increase in the
installation of facilities related to new PCS systems.

Gross Profit. Gross profit for the three-month period ended March 31, 1997
increased approximately 171% to $1,216,882 as compared to $449,646 for the same
three-month period in the prior year.  Gross profit as a percentage of revenue
increased from 9.6% for the three-month period ended March 31, 1996 to 11.8% for
the three-month period ended March 31, 1997.
<PAGE>
 
Selling, General and Administrative ("SG&A").  SG&A expenses as a percentage of
revenues decreased from 9.7% for the three-month period ended March 31, 1996 to
7.6% for the three-month period ended March 31, 1997. This decrease was a result
of operational efficiencies realized with the increase in revenues.

Net Earnings.  Net earnings for the three-month period ended March 31, 1997
increased approximately 842% to $255,460 compared to $27,133 for the same three-
month period in the prior year.  As a percentage of revenue, net earnings
increased to 2.5% from .6% in the prior year.

For the Nine-Month Periods Ended March 31, 1997 and 1996, Results of Operations

Revenues. The Company's revenues for the nine-month period ended March 31, 1997,
increased approximately 123% to $32,620,262 as compared to $14,631,358 for the
same nine-month period in the prior year. The Company attributed the increase in
revenues to growth in the Company's wireless infrastructure building and
implementation services business related primarily to an increase in the
installation of facilities related to new PCS systems.

Gross Profit. Gross profit for the nine-month period ended March 31, 1997
increased approximately 108% to $4,439,773 as compared to $2,134,676 for the
same nine-month period in the prior year.  Gross profit as a percentage of
revenue decreased from 14.6% for the nine-month period ended March 31, 1996 to
13.6% for the nine-month period ended March 31, 1997.

SG&A Expenses.  SG&A expenses as a percentage of revenues decreased from 10.8%
for the nine-month period ended March 31, 1996 to 7.7% for the nine-month period
ended March 31, 1997. This decrease was a result of operational efficiencies
realized with the increase in revenues.

Net Earnings. Net earnings for the nine-month period ended March 31, 1997
increased approximately 172% to $1,214,730 compared to $446,918 for the same
nine-month period in the prior year.  As a percentage of revenue, net earnings
increased to 3.7% from 3.1% in the prior year.

PART II - OTHER INFORMATION

ITEM 1. - LEGAL PROCEEDINGS.
 
            None.

ITEM 2. - CHANGES IN SECURITIES.

            None.

ITEM 3. - DEFAULTS UPON SENIOR SECURITIES.

            None.

ITEM 4. - SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS.

            None.
 
ITEM 5. - OTHER INFORMATION.

Acquisition of Novak & Lackey Construction Co,. Inc.

As of March 31, 1997, the Company acquired Novak & Lackey Construction Co.,
Inc., an Oklahoma City, Oklahoma-based builder of wireless transmitting,
receiving and switching facilities.  The acquisition was structured as a merger
(the "Merger") of N&L Acquisition, Inc., an Oklahoma corporation and a wholly-
owned subsidiary of the Company ("N&L Acquisition") with and into Novak and
Lackey, with Novak & Lackey being the surviving corporation.  A copy of the
Agreement and Plan of Merger, dated as of March 31, 1997 (the "Merger
Agreement"), among Novak & Lackey Construction Co., Inc., an Oklahoma
corporation, the Frank D. Lackey Revocable Trust, the Jo LaVern Lackey Revocable
Trust, the Jay Christopher Lackey Trust, the Company and N&L Acquisition is
attached hereto as Exhibit 10.1. As consideration for the acquisition of Novak &
Lackey, the Company issued 400,000 shares of its previously unissued Common
Stock to the former shareholders of Novak & Lackey. The acquisition of Novak &
Lackey was accounted for as a pooling of interests.

Following consummation of the Merger, Frank D. Lackey was elected to the Board
of Directors of Novak & Lackey and to the Board of Directors of the Company. In
addition, Novak & Lackey entered into a Employment Agreements with Frank D.
Lackey
<PAGE>
 
and Jay C. Lackey, pursuant to which Frank D. Lackey will serve as Chairman of
the Board of Novak & Lackey and Jay C. Lackey will serve as President of Novak &
Lackey. Jay C. Lackey is the son of Frank D. Lackey.

The audited financial statements of Novak & Lackey Construction Co., Inc. for
the fiscal year ended June 30, 1996, with notes thereto and the Report of Bill
Mitts, Inc., Certified Public Accountant, thereon are attached hereto as Exhibit
99.1. The unaudited financial statements of Novak & Lackey Construction Co.,
Inc. at March 31, 1997 and 1996 and for the three and nine-month periods ended
March 31, 1997 and 1996, with notes thereto, are attached hereto as Exhibit
99.2.

ITEM 6. - EXHIBITS AND REPORTS ON FORM 8-K.

            (a)  Exhibits
<TABLE> 
<CAPTION> 

                 Exhibit Number            Description
                 --------------            -----------
                 <S>                       <C>        
                     10.1                  Agreement and Plan of Merger, dated as of
                                           March 31, 1997 (the "Merger Agreement") among Novak & Lackey
                                           Construction Co., Inc., an Oklahoma corporation, the Frank
                                           D. Lackey Revocable Trust, the Jo LaVern Lackey Revocable
                                           Trust, the Jay Christopher Lackey Trust, Specialty
                                           Teleconstructors, Inc., a Nevada corporation ("STI") and N&L
                                           Acquisition, Inc., an Oklahoma corporation and a wholly-
                                           owned subsidiary of STI (the Company Disclosure Letter and
                                           the STI Disclosure Letter referred to in Article V of the
                                           Merger Agreement and Exhibits 6.7(b) and 6.7(c) to the
                                           Merger Agreement have been omitted as permitted by
                                           Securities and Exchange Commission regulations but will be
                                           provided upon request to the Company)

                     10.2                  Employment Agreement dated as of March 31,
                                           1997, by and between Novak & Lackey Construction Co., Inc.,
                                           an Oklahoma corporation, and Frank D. Lackey

                     27                    Financial Data Schedule

                     99.1                  Audited financial statements of Novak &
                                           Lackey Construction Co., Inc. for the fiscal year ended June
                                           30, 1996, with notes thereto and the Report of Bill Mitts,
                                           Inc., Certified Public Accountant, thereon

                     99.2                  Unaudited financial statements of Novak &
                                           Lackey Construction Co., Inc. for the nine-month period
                                           ended March 31, 1997, with notes thereto

                     99.3                  Press Release of the Registrant dated April 4, 1997

                     99.4                  Press Release of the Registrant dated May 15, 1997
</TABLE> 


            (b) Reports on Form 8-K

                  None.
<PAGE>
 
                                  SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange
Act of 1934, the Company has duly caused this report to be signed on its behalf
by the undersigned, thereunto duly authorized.

Date: May 16, 1997
                                  SPECIALTY TELECONSTRUCTORS, INC.


                                  By:    /s/MICHAEL R. BUDAGHER
                                       ------------------------------
                                         Michael R. Budagher, Chairman of the
                                         Board, President, Chief Executive
                                         Officer and Treasurer


                                  By:    /s/DENNIS K. HARTNETT
                                       ------------------------------
                                         Dennis K. Hartnett, Chief Accounting
                                         Officer

<PAGE>
                                                                    EXHIBIT 10.1

 
                          AGREEMENT AND PLAN OF MERGER

                                     AMONG

                     NOVAK & LACKEY CONSTRUCTION CO., INC.,

                          EACH OF THE STOCKHOLDERS OF
                     NOVAK & LACKEY CONSTRUCTION CO., INC.,

                        SPECIALTY TELECONSTRUCTORS, INC.

                                      AND

                             N&L ACQUISITION, INC.

                           DATED AS OF MARCH 31, 1997
<PAGE>
 
                         AGREEMENT AND PLAN OF MERGER

     AGREEMENT AND PLAN OF MERGER (hereinafter called this "Agreement"), dated
as of March 31, 1997, among Novak & Lackey Construction Co., an Oklahoma
corporation (the "Company"), each of the stockholders of the Company whose name,
address and the number of Company Shares (as defined in Section 4.1(a)) owned
appears on Exhibit 1 hereto and who, collectively, constitute the owners of 100%
of the issued and outstanding shares of capital stock of the Company (the
"Company Stockholders"), Specialty Teleconstructors, Inc., a Nevada corporation
("STI") and N&L Acquisition, Inc., an Oklahoma corporation and a wholly-owned
subsidiary of STI ("Merger Sub," the Company and Merger Sub sometimes being
hereinafter collectively referred to as the "Constituent Corporations.")

                                    RECITALS

     WHEREAS, the respective boards of directors of each of STI, Merger Sub and
the Company have approved the merger of Merger Sub with and into the Company
(the "Merger") and approved and adopted the Merger upon the terms and subject to
the conditions set forth in this Agreement;

     WHEREAS, it is intended that, for federal income tax purposes, the Merger
shall qualify as a reorganization under the provisions of Section 368(a) of the
Internal Revenue Code of 1986, as amended, and the rules and regulations
promulgated thereunder (the "Code");

     WHEREAS, for financial accounting purposes, it is intended that the Merger
shall be accounted for as a "pooling-of-interests;" and

     WHEREAS, the Company, the Company Stockholders, STI and Merger Sub desire
to make certain representations, warranties, covenants and agreements in
connection with this Agreement.

     NOW, THEREFORE, in consideration of the premises, and of the
representations, warranties, covenants and agreements contained herein, the
parties hereto agree as follows:

                                   ARTICLE I

                      THE MERGER; CLOSING; EFFECTIVE TIME

     1.1. The Merger. Upon the terms and subject to the conditions set forth in
this Agreement, at the Effective Time (as defined in Section 1.3) Merger Sub
shall be merged with and into the Company and the separate corporate existence
of Merger Sub shall thereupon cease. The Company shall be the surviving
corporation in the Merger (sometimes hereinafter referred to as the "Surviving
Corporation") and shall continue to be governed by the laws of the State of
Oklahoma, and the separate corporate existence of the Company with all its
rights, privileges, immunities, powers and franchises shall continue unaffected
by the Merger. The Merger shall have the effects specified in the Oklahoma
General Corporation Law (the "OGCL").

     1.2. Closing.  Subject to fulfillment or waiver of the conditions set forth
in Article VII (other than those conditions that by their nature are to be
satisfied at the Closing, but subject to the fulfillment or waiver of those
conditions), the closing of the Merger (the "Closing") shall take place (i) at
the offices of Crowe & Dunlevy located at 1800 Mid-America Tower, 20 North
Broadway, 

                                      -1-
<PAGE>
 
Oklahoma City, Oklahoma at 10:00 A.M. on Tuesday, May 13, 1997 or (ii)
at such other place and time and/or on such other date as the Company and STI
may agree in writing (the "Closing Date").

     1.3. Effective Time. On the day of the Closing, the Company and STI will
cause a Certificate of Merger (the "Certificate of Merger") to be signed,
acknowledged and delivered for filing with the Secretary of State of Oklahoma as
provided in Section 1081 of the OGCL. The Merger shall become effective at the
time when the Certificate of Merger have been duly filed with the Secretary of
State of Oklahoma or such other time as shall be agreed upon by the parties and
set forth in the Certificate of Merger and in accordance with the OGCL (the
"Effective Time").

                                   ARTICLE II

                    CERTIFICATE OF INCORPORATION AND BY-LAWS
                          OF THE SURVIVING CORPORATION

     2.1. The Certificate of Incorporation. The certificate of incorporation of
the Company as in effect immediately prior to the Effective Time shall be the
certificate of incorporation of the Surviving Corporation (the "Charter"), until
duly amended as provided therein or by applicable law, except that (i) Article
FIFTH of the Charter shall be amended to read in its entirety as follows: "The
total number of shares of capital stock which the Corporation shall have
authority to issue is One Thousand (1,000) shares of Common Stock of the par
value of One and No/100 Dollars ($1.00) per share." and (ii) the Charter shall
be further amended and restated as the Company and STI may agree. The
Certificate of Merger shall set forth the amendments to the certificate of
incorporation of the Surviving Corporation described in this Section 2.1.

     2.2. The By-Laws. The by-laws of the Company in effect at the Effective
Time shall be the by-laws of the Surviving Corporation (the "By-Laws"), until
thereafter amended as provided therein or by applicable law.

                                  ARTICLE III

                       OFFICERS, DIRECTORS AND MANAGEMENT

     3.1. Directors of Surviving Corporation. The directors of Merger Sub at the
Effective Time shall, from and after the Effective Time, be the directors of the
Surviving Corporation until their successors have been duly elected or appointed
and qualified or until their earlier death, resignation or removal in accordance
with the Charter and the By-Laws.

     3.2. Officers of Surviving Corporation. The officers of the Company at the
Effective Time shall, from and after the Effective Time, be the officers of the
Surviving Corporation until their successors have been duly elected or appointed
and qualified or until their earlier death, resignation or removal in accordance
with the Charter and the By-Laws.

     3.3. Election to STI's Board of Directors. At the Effective Time of the
Merger, STI shall increase the size of its Board of Directors in order to enable
Frank D. Lackey (the "Director Designee"), to be appointed to the STI Board of
Directors, and the STI Board of Directors shall appoint the Director Designee to
the STI Board of Directors as of the Effective Time.

                                      -2-
<PAGE>
 
     3.4 Management. At the Effective Time of the Merger, STI shall cause Mr.
Jay Lackey to be appointed President and Chief Executive Officer of the
Surviving Corporation and Mr. Frank D. Lackey to be appointed Chairman of the
Board of the Surviving Corporation.

                                   ARTICLE IV

                     EFFECT OF THE MERGER ON CAPITAL STOCK;
                            EXCHANGE OF CERTIFICATES

     4.1. Effect on Capital Stock. At the Effective Time, as a result of the
Merger and without any action on the part of the holder of any capital stock of
the Company:

     (a) Merger Consideration. Subject to Section 4.1(c) and Section 4.2(d),
each share of the Common Stock, par value $1.00  per share, of the Company (each
a "Company Share" and together the "Company Shares") issued and outstanding
immediately prior to the Effective Time shall be converted into the right to
receive, and become exchangeable for, 160 shares (the "Merger Consideration") of
Common Stock, par value $.01 per share, of STI ("STI Common Stock"). At the
Effective Time, all Company Shares shall no longer be outstanding, shall be
canceled and retired and shall cease to exist, and each certificate (a
"Certificate") formerly representing any of such Company Shares shall thereafter
represent only the right to receive the Merger Consideration and the right, if
any, to receive pursuant to Section 4.2(d) cash in lieu of fractional shares
into which such Company Shares have been converted pursuant to this Section
4.1(a) and any distribution or dividend pursuant to Section 4.2(b), in each case
without interest.
 
     (b) Merger Sub. At the Effective Time, each share of Common Stock, par
value $.01 per share, of Merger Sub issued and outstanding immediately prior to
the Effective Time shall be converted into one share of common stock of the
Surviving Corporation, and the Surviving Corporation shall be a wholly-owned
subsidiary of STI.

     4.2. Exchange of Certificates for Shares.

     (a) Exchange Procedures. At the Closing, upon surrender to STI of a
Certificate or Certificates representing all Company Shares, STI will deliver to
each Stockholder, a certificate or certificates issued by American Stock
Transfer & Trust Company, Inc. (the "Transfer Agent") representing that number
of shares of STI Common Stock that such Stockholder is entitled to receive
pursuant to this Article IV and the Certificate or Certificates so surrendered
shall forthwith be canceled.

     For the purposes of this Agreement, the term "Person" shall mean any
individual, corporation (including not-for-profit), general or limited
partnership, limited liability company, joint venture, estate, trust,
association, organization, or other entity of any kind or nature.

     (b) Transfers. After the Effective Time, there shall be no transfers on the
stock transfer books of the Company of the Company Shares that were outstanding
immediately prior to the Effective Time.

     (c) Fractional Shares. Notwithstanding any other provision of this
Agreement, no fractional shares of STI Common Stock will be issued and any
holder of Company Shares entitled to receive 

                                      -3-
<PAGE>
 
a fractional share of STI Common Stock but for this Section 4.2(d) shall be
entitled to receive a cash payment in lieu thereof, which payment shall
represent such holder's proportionate interest in a share of STI Common Stock
based on the closing price of a share of STI Common Stock, as reported in The
Wall Street Journal, Dallas, Texas edition, on the trading day immediately prior
to the Effective Time.

     (d) Lost, Stolen or Destroyed Certificates. In the event any Certificate
shall have been lost, stolen or destroyed, upon the making of an affidavit of
that fact by the Person claiming such Certificate to be lost, stolen or
destroyed and the posting by such Person of a bond in the form customarily
required by STI as indemnity against any claim that may be made against it with
respect to such Certificate, STI will cause the Transfer Agent to issue in
exchange for such lost, stolen or destroyed Certificate the shares of STI Common
Stock, and any cash payment in lieu of a fractional share in respect thereof
issuable and/or payable pursuant to this Article IV upon due surrender of and
deliverable in respect of the Company Shares represented by such Certificate
pursuant to this Agreement, in each case, without interest.

     (e) Affiliates. Notwithstanding anything herein to the contrary,
Certificates surrendered for exchange by any "affiliate" (as determined pursuant
to Section 6.5) of the Company shall not be exchanged until STI has received a
written agreement from such Person, if required by Section 6.5 hereof.

     4.3. Dissenters' Rights. No appraisal rights as provided in Section 1091 of
the OGCL shall be available to holders of Company Shares in connection with the
Merger.

     4.4. Adjustments to Prevent Dilution. In the event that prior to the
Effective Time there is a change in the number of Company Shares or shares of
STI Common Stock or securities convertible or exchangeable into or exercisable
for Company Shares or shares of STI Common Stock issued and outstanding as a
result of a distribution, reclassification, stock split (including a reverse
split), stock dividend or distribution, or other similar transaction, the number
of shares of STI Common Stock comprising the Merger Consideration shall be
equitably adjusted to eliminate the effects of such event.

     4.5. Company Stockholders' Undertaking with Respect to Unregistered
Securities; STI Covenants.

     (a) Undertaking of the Company Stockholders and Stock Certificate Legends.

     (i) Undertaking of the Company's Stockholders - SEC Rule 144. Each of the
Company Stockholders hereby severally represents and undertakes that:

     (A)  The Company Stockholder is familiar with Securities and Exchange
Commission ("SEC") Rule 144.  The shares of STI Common Stock that are being
acquired by such Company Stockholder in exchange for his Company Shares are
being and will be acquired for himself and not for other persons and are not
being and will not be acquired with a view to the transfer or distribution
thereof, except to the extent permitted by the Securities Act of 1933, as
amended, (the "Securities Act") and the rules and regulations thereunder.

     (B) None of the shares of STI Common Stock  to be received by him in the
Merger will be sold, pledged, transferred or otherwise disposed of by or through
such Company Stockholder in violation of the Securities Act or any state
securities laws.  In addition, the Company Stockholder 

                                      -4-
<PAGE>
 
shall not sell, pledge, transfer or otherwise dispose of the shares of STI
Common Stock to be received by him in the Merger until such time as STI has
published consolidated financial results that cover at least thirty (30) days of
combined post-merger operations of STI and the Surviving Corporation.

     (C) The Company Stockholder understands that the STI Common Stock has not
been registered under the Securities Act and, therefore, cannot be resold or
otherwise transferred unless such shares are registered under the Securities Act
or unless an exemption from registration is available.

     (D) The certificates representing the shares of STI Common Stock to be
delivered to the Company Stockholder pursuant to this Agreement may, and will,
bear a restrictive legend in substantially the following form and an appropriate
stop transfer order may, and will, be placed against the transfer of the share
certificates with the transfer agent of such shares:

     "The securities represented by this certificate have been issued or
     transferred to the registered holder as a result of a transaction to which
     the exemption provided by Section 4(2) under the Securities Act of 1933, as
     amended (the "Securities Act") applied.  The securities represented by this
     certificate have not been issued to such holders pursuant to an effective
     registration under the Securities Act and may not be sold, transferred or
     assigned, and the issuer is not required to give effect to any attempted
     sale, transfer or assignment, except (i) pursuant to a current or then
     effective registration statement under the Securities Act; (ii) in a
     transaction permitted by Rule 144 under the Securities Act and as to which
     the issuer has received reasonably satisfactory evidence of compliance with
     the provisions of Rule 144; or (iii) upon receipt of a legal opinion
     reasonably acceptable to the issuer to the effect that the transaction does
     not require registration under the Securities Act, or other evidence
     reasonably satisfactory to the issuer, that such registration is not
     required.  Furthermore, the securities represented by this certificate may
     not be sold, transferred or assigned, prior to the publication by the
     issuer of consolidated financial results covering at least thirty (30) days
     of post-merger combined operations, and the issuer is not required to give
     effect to any sale, transfer or assignment attempted prior to such date."

     (E) The Company Stockholder also understands that (1) an exemption for any
public sale of his STI Common Stock under Rule 144 will not be available for at
least one (1) year from the date the said shares are fully paid for, which will
be the Closing Date; (2) thereafter limited amounts of the said shares can be
sold publicly in unsolicited brokers' transactions under Rule 144 if all the
conditions of the Rule are satisfied and if the Rule is then applicable; (3)
Rule 144 is available only if all its conditions are satisfied and, in
particular, if STI is making current public disclosures about itself and there
is a trading market for the said shares; (4) as of this date, not all of the
above conditions have been satisfied; and (5) if Rule 144 is not available, then
any public sales of the said shares cannot be made unless they are registered
under the Securities Act or in compliance with Regulation A issued by the SEC
pursuant to the Securities Act or some other exemption to the registration
requirements of the Securities Act.

     (b) Representations of the Company Stockholders.  Each of the Company
Stockholders hereby severally represents and warrants that:

                                      -5-
<PAGE>
 
     (i) The Company Stockholder has access to, and has reviewed and understood,
all material information, including financial statements, concerning the Company
which the Company Stockholder deems necessary or advisable in order to evaluate
the risks and merits of entering into the transactions contemplated by this
Agreement and including, without limitation, the Company Stockholder's acquiring
the STI Common Stock to be issued to the Company Stockholder under this
Agreement.  The Company Stockholder has had access to, and has reviewed and
understood, all material information, including, without limitation, the STI
Reports (as defined in Section 5.2(e)), concerning STI which the Company
Stockholder deems necessary or advisable in order to evaluate the risks and
merits of acquiring the STI Common Stock to be issued to the Company Stockholder
under this Agreement.  STI has made available to the Company Stockholder the
opportunity to ask questions and receive answers concerning the terms and
conditions of the transactions contemplated by this Agreement and to obtain
additional information which STI possesses or could acquire without unreasonable
effort or expense that is necessary to verify the accuracy of the information
furnished under this Agreement and has obtained such additional information.

     (ii) The Company Stockholder has such knowledge and experience in financial
and business matters that the Company Stockholder is capable of evaluating the
merits and risks in acquiring the STI Common Stock.

     (iii)     The Company Stockholder understands that the Company Stockholder
must bear the economic risk of investment in the STI Common Stock for an
indefinite period of time because such shares have not been registered with the
SEC under the Securities Act and, therefore, cannot be sold unless they are
subsequently registered under the Securities Act or an exemption from
registration is available.

     4.6  Registration of STI Common Stock.  In connection with the shares of
STI Common Stock issuable in connection with the Merger, the parties agree as
follows:

     (a) As soon as practicable (but in any event, not later than forty-five
(45) days) after the closing of the Merger, STI shall file a registration
statement under the Securities Act on Form S-3 ("Registration Statement") to
register 100,000 of the shares of STI Common Stock issued in connection with the
Merger (the "Shares"), such Shares to be comprised of 25% of the shares of STI
Common Stock issued to each Company Stockholder in connection with the Merger,
unless the Company Stockholders otherwise direct, to permit sale or transfer of
the Shares by the Company Stockholders or by their Permitted Transferees in non-
underwritten transactions, including open market or private transactions which
may be with or through a broker-dealer or agent, hedging transactions, loan
transactions or other transactions from time to time.  STI shall use its best
efforts to cause the Registration Statement to become effective under the
Securities Act as soon as practical after the filing of the Registration
Statement and to maintain the effectiveness of the Registration Statement under
the Securities Act for a period of not less than 180 days following the date on
which the Registration Statement becomes effective or until the intended
distribution of the Shares is completed, whichever occurs first, provided,
however, that if requested by the Company Stockholders within 60 days
immediately preceding the expiration of such 180-day period, STI will use its
best efforts to maintain the effectiveness of the Registration Statement beyond
the expiration of such 180-day period until the first anniversary of the Closing
Date or until the intended distribution of the Shares is completed, whichever
occurs first.  STI shall also use its best efforts to register or qualify the
Shares for public sale under the securities or blue sky laws of the state of
principal residence of each Company Stockholder, if such registration or
qualification is necessary; 

                                      -6-
<PAGE>
 
provided, however, that STI shall not be required to qualify to do business as a
foreign corporation or otherwise to subject itself to taxation therein or to
file any general consent to service of process in any state.

     (b) For so long as the Registration Statement is effective, STI shall use
its best efforts to maintain its eligibility to use Form S-3.  If, during the
effectiveness of the Registration Statement, an event should occur which, in the
reasonable opinion of STI's counsel, makes the prospectus included in the
Registration Statement no longer comply with the Securities Act, after notice
from STI to the Company Stockholders of the occurrence of such event, the
Company Stockholders shall make no further sales or their dispositions, or
offers therefor, of the Shares until the Company Stockholders receive from STI
copies of a new, amended or supplemented prospectus complying with the
Securities Act.  STI shall keep the Company Stockholders fully informed as to
the status of its efforts, which shall be prompt and diligent, to cause such
new, amended or supplemented prospectus to be available for use by the Company
Stockholder.

     (c) STI shall provide to the Company Stockholders the number of
prospectuses relating to the Shares as the Company Stockholders shall reasonably
request to enable Company Stockholders to comply with the applicable prospectus
delivery requirements under the Securities Act and shall at all times keep
Company Stockholders informed about the status of the Registration Statement,
including any comments relating thereto from the SEC, any proposed amendment or
any other matters related to the Registration Statement or the effectiveness
thereof.

     (d) STI shall bear all expenses of any registration except that the Company
Stockholders shall bear the underwriter's commissions and expenses and brokerage
fees, if any, with respect to STI Common Stock sold by the Company Stockholders
and the fees and expenses of legal counsel to the Company Stockholders.

     (e) The Company Stockholders and any Permitted Transferee then holding
Shares included or to be included in the Registration Statement (herein "Other
Holders") shall furnish STI as promptly as possible such information as may be
reasonably requested from them by STI in connection with any registration
statement filed pursuant hereto and shall cooperate with STI to the extent that
it may be reasonably required in order to cause any the Registration Statement
or any amendment thereto to become effective.

     (f) In connection with any registration statement filed pursuant to this
Section 4.6, each Company Stockholder and each Other Holder shall and hereby
agrees to severally indemnify and hold harmless STI, its officers and directors
and the other Company Stockholders and each Other Holder from and against any
and all losses, liabilities, claims, damages and expenses (including reasonable
costs of investigation and counsel fees) arising out of or based upon any untrue
statement of a material fact in any writing furnished by such Company
Stockholder or such Other Holder for use in any such registration statement or
by such Company Stockholder's or such Other Holder's failure to furnish a
material fact pertaining to such Company Stockholder or such Other Holder and
required to be stated therein or necessary to make the statements therein not
misleading. Similarly, STI shall indemnify and hold harmless the Company
Stockholders or such Other Holder from and against any and all such losses,
liabilities, claims, damages and expenses (including reasonable costs of
investigation and counsel fees) arising out of or based upon any untrue
statement of a material fact in any such registration statement or by its
failure to include in any such registration statement a material fact required
to be stated therein or necessary to make the statements therein not misleading,

                                      -7-
<PAGE>
 
except insofar as such liability arises out of or is based on any such untrue
statement or omission in any writing furnished to STI by the Company
Stockholder, or the Other Holders for use therein.

     (g) For purposes of this Section 4.6, STI Common Stock means and includes
the STI Common Stock issued at the Effective Time and any securities issued or
issuable with respect to the STI Common Stock by way of stock dividend or stock
split or in connection with a combination of shares, recapitalization, merger,
consolidation or other reorganization or otherwise.

     (h) Notwithstanding the filing or effectiveness of the Registration
Statement, none of the Shares may be sold, transferred or assigned in violation
of Section 6.5 hereof.

     4.7  Permitted Transferee.  For purposes of this Agreement, the term
Permitted Transferee shall mean spouses or family members Frank, LaVern or Jay
Lackey ("Lackeys"); to trusts created by the Lackeys for the benefit of a Lackey
or for the benefit of family members of a Lackey; or to a corporation,
partnership or limited liability company, all of the capital stock or interests
of which is owned by a Lackey, family members or their spouses; or (b) pledgees
the Shares as security.  For purposes of this Agreement, "family members" shall
mean lineal or adopted descendants of the Lackeys.


                                   ARTICLE V

                         REPRESENTATIONS AND WARRANTIES

     5.1. Representations and Warranties of the Company Stockholders. Except as
set forth in the corresponding sections or subsections of the disclosure letter,
dated the date hereof, delivered by the Company to STI (the "Company Disclosure
Letter"), the Company Stockholders represent and warrant to STI and Merger Sub,
that:

     (a) Organization, Good Standing and Qualification; No Subsidiaries. The
Company is a corporation duly organized, validly existing and in good standing
under the laws of its respective jurisdiction of organization and has all
requisite corporate or similar power and authority to own and operate its
properties and assets and to carry on its business as presently conducted and is
qualified to do business and is in good standing as a foreign corporation in
each jurisdiction where the ownership or operation of its properties or conduct
of its business requires such qualification, except where the failure to be so
qualified or in good standing is not, when taken together with all other such
failures, reasonably likely to have a Material Adverse Effect (as defined below)
on it. The Company has made available to STI a complete and correct copy of its
certificate of incorporation and by-laws, each as amended to date. Such
certificates of incorporation and by-laws as so made available are in full force
and effect. The Company has no Subsidiaries (as defined below).

     As used in this Agreement, (i) the term "Subsidiary" means, with respect to
the Company, STI or Merger Sub, as the case may be, any entity, whether
incorporated or unincorporated, of which at least fifty percent of the
securities or ownership interests having by their terms ordinary voting power to
elect at least fifty percent of the board of directors or other persons
performing similar functions is directly or indirectly owned by such party or by
one or more of its respective Subsidiaries or by such party and any one or more
of its respective Subsidiaries, (ii) the term "Material Adverse Effect" means,
with respect to any Person, a material adverse effect on the total 

                                      -8-
<PAGE>
 
enterprise value of such Person and its Subsidiaries, taken as a whole, other
than general changes in (A) the telecommunications industry, (B) economic
conditions or (C) the securities markets that, in any of (A), (B) or (C), affect
the total enterprise value of such Person and its Subsidiaries, taken as a
whole, on the one hand, and the other party and its Subsidiaries, on the other
hand, substantially proportionately relative to the other party, and (iii)
reference to "the other party" means, with respect to the Company, STI and
means, with respect to STI, the Company.

     (b) Capital Structure. The authorized capital stock of the Company consists
of 10,000 Company Shares, of which 2,500 Company Shares were issued and
outstanding and 0 Company Shares were held in treasury as of the close of
business on March 31, 1997 and the Closing Date. All of the outstanding Company
Shares are owned by the Company Stockholders in the amounts set forth opposite
such Person's names on Exhibit 1 hereto.  All of the outstanding Company Shares
have been duly authorized and are validly issued, fully paid and nonassessable.
The Company has no Company Shares reserved for issuance. There are no preemptive
or other outstanding rights, options, warrants, conversion rights, stock
appreciation rights, redemption rights, repurchase rights, agreements,
arrangements or commitments to issue or sell any shares of capital stock or
other securities of the Company or any securities or obligations convertible or
exchangeable into or exercisable for, or giving any Person a right to subscribe
for or acquire, any securities of the Company, and no securities or obligations
evidencing such rights are authorized, issued or outstanding. The Company does
not have outstanding any bonds, debentures, notes or other obligations the
holders of which have the right to vote (or convertible into or exercisable for
securities having the right to vote) with the stockholders of the Company on any
matter.

     (c) Corporate Authority; Approval. The Company has all requisite corporate
power and authority and has taken all corporate action necessary in order to
execute, deliver and perform its obligations under this Agreement and to
consummate, subject only to approval of this Agreement by the holders of a
majority of the outstanding Company Shares (the "Company Requisite Vote") and
the Company Required Consents (as defined in Section 5.1(d)), the Merger. This
Agreement is a valid and binding agreement of the Company enforceable against
the Company in accordance with its terms, subject to bankruptcy, insolvency,
fraudulent transfer, reorganization, moratorium and similar laws of general
applicability relating to or affecting creditors' rights and to general equity
principles (the "Bankruptcy and Equity Exception"). The board of directors of
the Company has unanimously approved this Agreement and the Merger and the other
transactions contemplated hereby.

     (d) Governmental Filings; No Violations. (i) Other than the filings and/or
notices (A) pursuant to Section 1.3, the Securities Exchange Act of 1934, as
amended (the "Exchange Act") and the Securities Act, (B) to comply with state
securities or "blue-sky" laws, (such filings and/or notices of STI being the
"STI Required Consents" and of the Company being the "Company Required
Consents"), no notices, reports or other filings are required to be made by the
Company with, nor are any consents, registrations, approvals, permits or
authorizations required to be obtained by it from, any governmental or
regulatory authority, court, agency, commission, body or other governmental
entity ("Governmental Entity"), in connection with the execution and delivery of
this Agreement by it and the consummation by it of the Merger and the other
transactions contemplated hereby, except those that the failure to make or
obtain are not, individually or in the aggregate, reasonably likely to have a
Material Adverse Effect on it or prevent, materially delay or materially impair
its ability to consummate the trans actions contemplated by this Agreement.

                                      -9-
<PAGE>
 
     (ii) The execution, delivery and performance of this Agreement by the
Company and the Company Stockholders do not, and the consummation by the Company
of the Merger and the other transactions contemplated hereby will not,
constitute or result in (A) a breach or violation of, or a default under, the
Company's certificate of incorporation or by-laws, (B) a breach or violation of,
or a default under, the acceleration of any obligations or the creation of a
lien, pledge, security interest or other encumbrance on the Company's assets
(with or without notice, lapse of time or both) pursuant to, any agreement,
lease, contract, note, mortgage, indenture, arrangement or other obligation
("Contracts") binding upon the Company or any Law (as defined in Section 5.1(i))
or governmental or non-governmental permit or license to which the Company is
subject or (C) any change in the rights or obligations of any party under any of
the Company's  Contracts, except, in the case of clause (B) or (C) above, for
any breach, violation, default, acceleration, creation or change that,
individually or in the aggregate, is not reasonably likely to have a Material
Adverse Effect on the Company or prevent, materially delay or materially impair
its ability to consummate the transactions contemplated by this Agreement. The
Company Disclosure Letter sets forth a correct and complete list of the
Company's Contracts pursuant to which consents or waivers are or may be required
prior to consummation of the transactions contemplated by this Agreement other
than those where the failure to obtain such consents or waivers is not
reasonably likely to have a Material Adverse Effect on it or prevent or
materially impair its ability to consummate the transactions contemplated by
this Agreement.

     (e) Financial Statements; Employment Agreements or Arrangements. The
Company has delivered to STI its reviewed financial statements for the year
ended October 31, 1996 (the "Company Audit Date") and its unaudited financial
statements for the nine-month period ended March 31, 1997 (collectively, the
"Company Financial Statements").  Each of the balance sheets included in or
incorporated by reference into the Company Financial Statements (including the
related notes and schedules) fairly presents the financial position of the
Company as of its date and each of the statements of income, cash flows and
changes in stockholders' equity included in or incorporated by reference into
the Company Financial Statements (including any related notes and schedules)
fairly presents the results of operations, retained earnings, cash flows and
changes in stockholders' equity, as the case may be, of the Company for the
periods set forth therein (subject, in the case of unaudited statements, to
notes and normal year-end audit adjustments that will not be material in amount
or effect), in each case in accordance with generally accepted accounting
principles ("GAAP") consistently applied during the periods involved, except as
may be noted therein.  The Company has delivered to STI true and correct copies
of (i) all written employment agreements between the Company and any of its
employees and (ii) all written agreements between the Company and any Person
acting as an independent contractor to the Company. The Company has also
delivered to STI written summaries of all unwritten employment or other
agreements, arrangements or policies pursuant to which any Person is serving as
an employee of or an independent contractor to the Company.  The Company
Stockholders have, to the best of their knowledge, disclosed to STI all facts
relating to the Company and its operations and assets material to the
transactions contemplated by this Agreement.  No representation or warranty made
by the Stockholders in this Agreement and in any certificate furnished to STI
pursuant to this Agreement and in the Company Disclosure Letter contains or as
of the Closing Date will contain any untrue statement of a material fact or
omits to state a material fact necessary to make the statements contained herein
or therein not misleading.  The representations and warranties made herein are
made by the Stockholders and the Company with the knowledge and expectation that
STI is placing reliance thereon.

                                      -10-
<PAGE>
 
     (f) Absence of Certain Changes. Except as disclosed in the Company
Disclosure Letter or as expressly contemplated by this Agreement, since the
Company Audit Date, the Company has conducted its  business only in, and has not
engaged in any material transaction other than according to, the ordinary and
usual course of such business and there has not been (i) any change in the
financial condition, properties, prospects, business or results of operations of
the Company, except those changes that are not, individually or in the
aggregate, reasonably likely to have a Material Adverse Effect on it; (ii) any
damage, destruction or other casualty loss with respect to any asset or property
owned, leased or otherwise used by the Company, whether or not covered by
insurance, which damage, destruction or loss is reasonably likely, individually
or in the aggregate, to have a Material Adverse Effect on it; (iii) any
declaration, setting aside or payment of any dividend or other distribution in
respect of the Company's capital stock; or (iv) any change by it in accounting
principles, practices or methods. Since the Company Audit Date, except as
provided for herein or in the Company Disclosure Letter, there has not been any
increase in the compensation payable or that could become payable by the Company
to officers or key employees or any amendment of any of the Company Compensation
and Benefit Plans (as defined in Section 5.1(h)(i)).

     (g) Litigation and Liabilities. There are no (i) civil, criminal or
administrative actions, suits, claims, hearings, investigations or proceedings
pending or, to the knowledge of the Company's executive officers or the Company
Stockholders, threatened against the Company or any of its Affiliates (as
defined in Rule 12b-2 under the Exchange Act) or (ii) obligations or
liabilities, whether or not accrued, contingent or otherwise and whether or not
required to be disclosed, including those relating to matters involving any
Environmental Law (as defined in Section 5.1(k)), or any other facts or
circumstances, in either such case, of which the Company's executive officers or
the Company Stockholders have actual knowledge that are reasonably likely to
result in any claims against or obligations or liabilities of it or any of its
Affiliates, except for those that are not, individually or in the aggregate,
reasonably likely to have a Material Adverse Effect on the Company or prevent or
materially impair the Company's or the Company Stockholders' ability to
consummate the transactions contemplated by this Agreement.

     (h) Employee Benefits.

     (i) A copy of each bonus, deferred compensation, pension, retirement,
profit-sharing, thrift, savings, employee stock ownership, stock bonus, stock
purchase, restricted stock, stock option, employment, termination, severance,
compensation, medical, health or other plan, agreement, policy or arrangement
that covers employees, directors, former employees or former directors of the
Company (the "Company Compensation and Benefit Plans") and any trust agreements
or insurance contracts forming a part of such Company Compensation and Benefit
Plans has been made available by the Company to STI prior to the date hereof and
each such Company Compensation and Benefit Plan is listed in Section 5.1(h) of
the Company Disclosure Letter.

     (ii) All of the Company Compensation and Benefit Plans are in substantial
compliance with all applicable law, including the Code and the Employee
Retirement Income Security Act of 1974, as amended ("ERISA").  The Company does
not currently maintain and has not previously maintained an "employee pension
benefit plan" within the meaning of Section 3(2) of ERISA. There is no pending
or, to the knowledge of the Company's executive officers or the Company
Stockholders, threatened material litigation relating to the Company
Compensation and Benefit Plans. The Company has not engaged in a transaction
with respect to any of the Company Compensation and Benefit Plans that, assuming
the taxable period of such transaction expired as of 

                                      -11-
<PAGE>
 
the date hereof, would subject it to a material tax or penalty imposed by either
Section 4975 of the Code or Section 502 of ERISA.
 
     (iii) All contributions required to be made under the terms of any of the
Company Compensation and Benefit Plans as of the date hereof have been timely
made.

     (iv) The Company has no obligations for retiree health and life benefits
under any Company Compensation and Benefit Plan.

     (v) The consummation of the Merger (or in the case of the Company, its
approval by its stockholders) and the other transactions contemplated by this
Agreement will not (x) entitle any of the Company's employees or directors to
severance pay, directly or indirectly, upon termination of employment, (y)
accelerate the time of payment or vesting or trigger any payment of compensation
or benefits under, increase the amount payable or trigger any other material
obligation pursuant to, any Company Compensation and Benefit Plan or (z) result
in any breach or violation of, or a default under, any Company Compensation and
Benefit Plan.

     (i) Compliance with Laws. Except as set forth in the Company Disclosure
Letter, the business of the Company has not been, and is not being, conducted in
violation of any law, statute, ordinance, regulation, judgment, order, decree,
injunction, arbitration award, license, authorization, opinion, agency
requirement or permit of any Governmental Entity or common law (collectively,
"Laws"), except for violations or possible violations that are not, individually
or in the aggregate, reasonably likely to have a Material Adverse Effect on it
or prevent or materially impair its ability to consummate the transactions
contemplated by this Agreement. Except as set forth in the Company Disclosure
Letter, no investigation or review by any Governmental Entity with respect to
the Company is pending or, to the actual knowledge of its executive officers or
the Company Stockholders, threatened, nor has any Governmental Entity indicated
an intention to conduct the same. To the actual knowledge of its executive
officers and the Company Stockholders, no material change is required in the
Company's processes, properties or procedures in connection with any such Laws,
and the Company has not received any notice or communication of any material
noncompliance with any such Laws that has not been cured as of the date hereof,
except for such changes and noncompliance that are not, individually or in the
aggregate, reasonably likely to have a Material Adverse Effect on it or prevent
or materially impair its ability to consummate the transactions contemplated by
this Agreement. The Company has all permits, licenses, franchises, variances,
exemptions, orders and other governmental authorizations, consents and approvals
(collectively, "Permits"), necessary to conduct its business as presently
conducted, except for those the absence of which are not, individually or in the
aggregate, reasonably likely to have a Material Adverse Effect on it or prevent
or materially impair its ability to consummate the transactions contemplated by
this Agreement.

     (j) Takeover Statutes. No other "fair price," "moratorium," "control share
acquisition" or other similar anti-takeover statute or regulation (each a
"Takeover Statute") is, as of the date hereof, is applicable to the Merger or
the other transactions contemplated by this Agreement.

     (k) Environmental Matters. Except as disclosed in the Company Disclosure
Letter, and except for such matters that, alone or in the aggregate, are not
reasonably likely to have a Material Adverse Effect on it: (i) the Company has
complied with all applicable Environmental Laws (as defined below); (ii) the
properties currently owned or operated by the Company (including soils,

                                      -12-
<PAGE>
 
groundwater, surface water, buildings or other structures) are not contaminated
with any Hazardous Substances (as defined below); (iii) the properties formerly
owned or operated by the Company were not contaminated with Hazardous Substances
during the period of ownership or operation by it; (iv) the Company is not
subject to liability for any Hazardous Substance disposal or contamination on
any third party property; (v) the Company has not been associated with any
release or threat of release of any Hazardous Substance; (vi) the Company has
not received any notice, demand, letter, claim or request for information
alleging that it may be in violation of or liable under any Environmental Law;
(vii) the Company is not subject to any orders, decrees, injunctions or other
arrangements with any Governmental Entity or is subject to any indemnity or
other agreement with any third party relating to liability under any
Environmental Law or relating to Hazardous Substances; and (viii) there are no
circumstances or conditions involving the Company that could reasonably be
expected to result in any claims, liability, investigations, costs or
restrictions on the ownership, use, or transfer of any of its properties
pursuant to any Environmental Law.

     As used herein, the term "Environmental Law" means any Law relating to: (A)
the protection, investigation or restoration of the environment, health, safety,
or natural resources, (B) the handling, use, presence, disposal, release or
threatened release of any Hazardous Substance or (C) noise, odor, wetlands,
pollution, contamination or any injury or threat of injury to persons or
property in connection with any Hazardous Substance.

     As used herein, the term "Hazardous Substance" means any substance that is:
listed, classified or regulated pursuant to any Environmental Law, including any
petroleum product or by-product, asbestos-containing material, lead-containing
paint or plumbing, polychlorinated biphenyls, radioactive materials or radon.

     (l) Accounting and Tax Matters. As of the date hereof, neither the Company
nor any of its affiliates (as determined in accordance with Section 6.5) has
taken or agreed to take any action, nor do the Company's executive officers or
the Company Stockholders have any actual knowledge of any fact or circumstance,
that would prevent STI from accounting for the business combination to be
effected by the Merger as a "pooling-of-interests" or prevent the Merger and the
other transactions contemplated by this Agreement from qualifying as a
"reorganization" within the meaning of Section 368(a) of the Code.

     (m) Taxes. The Company has prepared in good faith and duly and timely filed
(taking into account any extension of time within which to file) all material
Tax Returns (as defined below) required to be filed by it and all such filed tax
returns are complete and accurate in all material respects and: (i) the Company
has paid all Taxes (as defined below) that are shown as due on such filed Tax
Returns or that it is obligated to withhold from amounts owing to any employee,
creditor or third party, except with respect to matters contested in good faith
or for such amounts that, alone or in the aggregate, are not reasonably likely
to have a Material Adverse Effect on it; (ii) as of the date hereof, there are
not pending or, to the actual knowledge of the Company's executive officers or
the Company Stockholders, threatened, any audits, examinations, investigations
or other proceedings in respect of Taxes or Tax matters; and (iii) there are
not, to the actual knowledge of its executive officers or the Company
Stockholders, any unresolved questions or claims concerning the Company's Tax
liability that are reasonably likely to have a Material Adverse Effect on it.
The Company has no liability with respect to income, franchise or similar Taxes
in excess of the amounts accrued in respect thereof that are reflected in the
financial statements included in the Company Financial Statements or accrued in
the ordinary course of business thereafter, except such excess 

                                      -13-
<PAGE>
 
liabilities as are not, individually or in the aggregate, reasonably likely to
have a Material Adverse Effect on it.

     As used in this Agreement, (i) the term "Tax" (including, with correlative
meaning, the terms "Taxes", and "Taxable") includes all federal, state, local
and foreign income, profits, franchise, gross receipts, environmental, customs
duty, capital stock, severance, stamp, payroll, sales, employment, unemployment,
disability, use, property, withholding, excise, production, value added,
occupancy and other taxes, duties or assessments of any nature whatsoever,
together with all interest, penalties and additions imposed with respect to such
amounts and any interest in respect of such penalties and additions, and (ii)
the term "Tax Return" includes all returns and reports (including elections,
declarations, disclosures, schedules, estimates and information returns)
required to be supplied to a Tax authority relating to Taxes.

     (n) Labor Matters. The Company is not the subject of any material
proceeding asserting that it has committed an unfair labor practice or seeking
to compel it to bargain with any labor union or labor organization nor is there
pending or, to the knowledge of its executive officers and the Company
Stockholders, threatened, nor has there been for the past five years, any labor
strike, dispute, walkout, work stoppage, slow-down or lockout involving the
Company, except in each case as is not, individually or in the aggregate,
reasonably likely to have a Material Adverse Effect on it.

     (o) Brokers and Finders. Neither the Company nor any of its executive
officers, directors or employees nor the Company Stockholders has employed any
broker or finder or incurred any liability for any brokerage fees, commissions
or finders, fees in connection with the Merger or the other transactions
contemplated in this Agreement.

     5.2. Representations and Warranties of  STI and Merger Sub. Except as set
forth in the corresponding sections or subsections of the disclosure letter,
dated the date hereof, delivered by STI to the Company (the "STI Disclosure
Letter"), STI, on behalf of itself and Merger Sub, hereby represents and
warrants to the Company and the Company Stockholders, that:

     (a) Organization, Good Standing and Qualification. Each of STI and its
Subsidiaries is a corporation duly organized, validly existing and in good
standing under the laws of its respective jurisdiction of organization and has
all requisite corporate or similar power and authority to own and operate its
properties and assets and to carry on its business as presently conducted and is
qualified to do business and is in good standing as a foreign corporation in
each jurisdiction where the ownership or operation of its properties or conduct
of its business requires such qualification, except where the failure to be so
qualified or in good standing is not, when taken together with all other such
failures, reasonably likely to have a Material Adverse Effect on it. STI has
made available to the Company a complete and correct copy of its certificate of
incorporation and by-laws, each as amended to date. Such certificates of
incorporation and by-laws as so made available are in full force and effect.

     (b) Capital Structure. (i) The authorized capital stock of STI consists of
10,000,000 shares of STI Common Stock, of which 4,730,700 shares were issued and
outstanding and 0 shares were held in treasury as of the close of business on
March 31, 1997. All of the outstanding shares of STI Common Stock have been duly
authorized and are validly issued, fully paid and nonassessable.  As of March
31, 1997, there were not more than (A) 5,000 shares of STI Common Stock reserved
for issuance upon exercise of outstanding Redeemable Common Stock Purchase
Warrants ("STI 

                                      -14-
<PAGE>
 
Redeemable Warrants"), each of which entitles the holder thereof to purchase one
share of STI Common Stock for a price of $6.00 until November 3, 1999, subject
to earlier redemption by STI, (B) 112,500 shares of STI Common Stock reserved
for issuance upon exercise of 36,500 outstanding Underwriters' Warrants, each of
which entitles the holder thereof to purchase one Unit, consisting of two shares
of STI Common Stock and one Redeemable Warrant, until November 3, 1999, and (C)
365,000 shares of STI Common Stock that STI was obligated to issue pursuant to
STI's Amended and Restated 1994 Stock Option Plan and Outside Directors' Stock
Option Plan (collectively, the "STI Stock Plans"). Each of the outstanding
shares of capital stock of each of STI's Subsidiaries is duly authorized,
validly issued, fully paid and nonassessable and owned by STI or a direct or
indirect wholly-owned subsidiary of STI, free and clear of any lien, pledge,
security interest, claim or other encumbrance. Except as set forth above, there
are no preemptive or other outstanding rights, options, warrants, conversion
rights, stock appreciation rights, redemption rights, repurchase rights,
agreements, arrangements or commitments to issue or to sell any shares of
capital stock or other securities of STI or any of its Subsidiaries or any
securities or obligations convertible or exchangeable into or exercisable for,
or giving any Person a right to subscribe for or acquire, any securities of STI
or any of its Subsidiaries, and no securities or obligation evidencing such
rights are authorized, issued or outstanding. STI does not have outstanding any
bonds, debentures, notes or other obligations the holders of which have the
right to vote (or convertible into or exercisable for securities having the
right to vote) with the stockholders of STI on any matter.

     (ii) The authorized capital stock of Merger Sub consists of 100 shares of
Common Stock, par value $.01 per share, all of which are validly issued and
outstanding. All of the issued and outstanding capital stock of Merger Sub is,
and at the Effective Time will be, owned by STI, and there are (A) no other
shares of capital stock or other voting securities of Merger Sub, (B) no
securities of Merger Sub convertible into or exchangeable for shares of capital
stock or other voting securities of Merger Sub and (iii) no options or other
rights to acquire from Merger Sub, and no obligations of Merger Sub to issue,
any capital stock, other voting securities or securities convertible into or
exchangeable for capital stock or other voting securities of Merger Sub. Merger
Sub has not conducted any business prior to the date hereof and has no, and
prior to the Effective Time will have no, assets, liabilities or obligations of
any nature other than those incident to its formation and pursuant to this
Agreement and the Merger and the other transactions contemplated by this
Agreement.

     (c) Corporate Authority; Approval. STI and Merger Sub each has all
requisite corporate power and authority and each has taken all corporate action
necessary in order to execute, deliver and perform its obligations under this
Agreement and to consummate, the Merger. This Agreement is a valid and binding
agreement of STI and Merger Sub, enforceable against each of STI and Merger Sub
in accordance with its terms, subject to the Bankruptcy and Equity Exception.
The shares of STI Common Stock, when issued pursuant to this Agreement, will be
validly issued, fully paid and nonassessable, and no stockholder of STI will
have any preemptive right of subscription or purchase in respect thereof.

     (d) Governmental Filings; No Violations. (i) Other than the filings and/or
notices (A) pursuant to Section 1.3, the Securities Exchange Act and the
Securities Act, (B) to comply with state securities or "blue-sky" laws, (such
filings and/or notices being the "STI Required Consents", no notices, reports or
other filings are required to be made by it with, nor are any consents,
registrations, approvals, permits or authorizations required to be obtained by
it from, any Governmental Entity, in connection with the execution and delivery
of this Agreement by it and the consummation by it 

                                      -15-
<PAGE>
 
of the Merger and the other transactions contemplated hereby, except those that
the failure to make or obtain are not, individually or in the aggregate,
reasonably likely to have a Material Adverse Effect on STI or prevent,
materially delay or materially impair its ability to consummate the transactions
contemplated by this Agreement.

     (ii) The execution, delivery and performance of this Agreement by it do
not, and the consummation by it of the Merger and the other transactions
contemplated hereby will not, constitute or result in (A) a breach or violation
of, or a default under, its certificate of incorporation or by-laws or the
comparable governing instruments of any of its Subsidiaries, (B) a breach or
violation of, or a default under, the acceleration of any obligations or the
creation of a lien, pledge, security interest or other encumbrance on its assets
or the assets of any of its Subsidiaries (with or without notice, lapse of time
or both) pursuant to Contracts binding upon it or any of its Subsidiaries or any
Law or governmental or non-governmental permit or license to which it or any of
its Subsidiaries is subject or (C) any change in the rights or obligations of
any party under any of its Contracts, except, in the case of clause (B) or (C)
above, for any breach, violation, default, acceleration, creation or change
that, individually or in the aggregate, is not reasonably likely to have a
Material Adverse Effect on STI or prevent, materially delay or materially impair
its ability to consummate the transactions contemplated by this Agreement. The
STI Disclosure Letter sets forth a correct and complete list of STI's Contracts
and Contracts of its Subsidiaries pursuant to which consents or waivers are or
may be required prior to consummation of the transactions contemplated by this
Agreement other than those where the failure to obtain such consents or waivers
is not reasonably likely to have a Material Adverse Effect on STI or prevent or
materially impair its ability to consummate the transactions contemplated by
this Agreement.

     (e) Reports; Financial Statements. It has delivered to the Company and each
Stockholder, each registration statement, report, proxy statement or information
statement prepared by it since June 30, 1996 (including exhibits, annexes and
any amendments thereto), including, without limitation, its (i) Annual Report on
Form 10-KSB for the year ended June 30, 1996 (the "STI Audit Date"), (ii)
definitive proxy statement filed in connection with such annual report; and
(iii) quarterly reports on Form 10-QSB for the quarters ended September 30, 1996
and December 30, 1996 (collectively, including any such reports filed subsequent
to the date hereof and prior to the Closing Date, the "STI Reports"). As of
their respective dates, the STI Reports did not contain any untrue statement of
a material fact or omit to state a material fact required to be stated therein
or necessary to make the statements made therein, in light of the circumstances
in which they were made, not misleading. Each of the consolidated balance sheets
included in or incorporated by reference into the STI Reports (including the
related notes and schedules) fairly presents the consolidated financial position
of STI and its Subsidiaries as of its date and each of the consolidated
statements of income, cash flows and changes in stockholders' equity included in
or incorporated by reference into the STI Reports (including any related notes
and schedules) fairly presents the results of operations, retained earnings,
cash flows and changes in stockholders' equity, as the case may be, of it and
its Subsidiaries for the periods set forth therein (subject, in the case of
unaudited statements, to notes and normal year-end audit adjustments that will
not be material in amount or effect), in each case in accordance with GAAP
consistently applied during the periods involved, except as may be noted
therein.  To the best of their knowledge, STI's executive officers have
disclosed to the Company all facts relating to the STI and its operations and
assets material to the transactions contemplated by this Agreement.  No
representation or warranty made by STI in this Agreement and in any certificate
furnished to the Company or the Company Stockholders pursuant to this Agreement
and in the STI Disclosure Letter contains or as of the Closing Date will contain
any untrue statement of a material 

                                      -16-
<PAGE>
 
fact or omits to state a material fact necessary to make the statements
contained herein or therein not misleading. The representations and warranties
made herein are made by STI with the knowledge and expectation that the Company
and the Company Stockholders are placing reliance thereon.

     (f) Absence of Certain Changes. Except as disclosed in the STI Reports
delivered to the Company prior to the date hereof or the STI Disclosure Letter
or as expressly contemplated by this Agreement, since the STI Audit Date, STI
and its Subsidiaries have conducted their respective businesses only in, and
have not engaged in any material transaction other than according to, the
ordinary and usual course of such businesses and there has not been (i) any
change in the financial condition, properties, prospects, business or results of
operations of STI and its Subsidiaries, except those changes that are not,
individually or in the aggregate, reasonably likely to have a Material Adverse
Effect on STI; (ii) any damage, destruction or other casualty loss with respect
to any asset or property owned, leased or otherwise used by STI or any of its
Subsidiaries, whether or not covered by insurance, which damage, destruction or
loss is reasonably likely, individually or in the aggregate, to have a Material
Adverse Effect on STI; (iii) any declaration, setting aside or payment of any
dividend or other distribution in respect of its capital stock; or (iv) any
change by STI in accounting principles, practices or methods.

     (g) Litigation and Liabilities. Except as disclosed in the STI Reports
delivered to the Company prior to the date hereof or the STI Disclosure Letter,
there are no (i) civil, criminal or administrative actions, suits, claims,
hearings, investigations or proceedings pending or, to the knowledge of its
executive officers, threatened against it or any of its Affiliates (as defined
in Rule 12b-2 under the Exchange Act) or (ii) obligations or liabilities,
whether or not accrued, contingent or otherwise and whether or not required to
be disclosed, including those relating to matters involving any Environmental
Law, or any other facts or circumstances, in either such case, of which its
executive officers have actual knowledge that are reasonably likely to result in
any claims against or obligations or liabilities of it or any of its Affiliates,
except for those that are not, individually or in the aggregate, reasonably
likely to have a Material Adverse Effect on STI or prevent or materially impair
its ability to consummate the transactions contemplated by this Agreement.

     (h) Compliance with Laws. Except as set forth in the STI Reports delivered
to the Company prior to the date hereof or the STI Disclosure Letter, the
businesses of each of it and its Subsidiaries have not been, and are not being,
conducted in violation of any Laws, except for violations or possible violations
that are not, individually or in the aggregate, reasonably likely to have a
Material Adverse Effect on STI or prevent or materially impair its ability to
consummate the transactions contemplated by this Agreement. Except as set forth
in the STI Reports delivered to the Company filed prior to the date hereof, no
investigation or review by any Governmental Entity with respect to it or any of
its Subsidiaries is pending or, to the actual knowledge of its executive
officers, threatened, nor has any Governmental Entity indicated an intention to
conduct the same, except for those the outcome of which are not, individually or
in the aggregate, reasonably likely to have a Material Adverse Effect on STI or
prevent or materially impair its ability to consummate the transactions
contemplated by this Agreement. To the actual knowledge of its executive
officers, no material change is required in its or any of its Subsidiaries'
processes, properties or procedures in connection with any such Laws, and it has
not received any notice or communication of any material noncompliance with any
such Laws that has not been cured as of the date hereof, except for such changes
and noncompliance that are not, individually or in the aggregate, reasonably
likely to have a Material Adverse Effect on STI or prevent or materially impair
its ability to consummate the transactions contemplated by this Agreement. Each
of it and its Subsidiaries has all

                                      -17-
<PAGE>
 
Permits necessary to conduct their business as presently conducted,
except for those the absence of which are not, individually or in the aggregate,
reasonably likely to have a Material Adverse Effect on STI or prevent or
materially impair its ability to consummate the transactions contemplated by
this Agreement.

     (i) Environmental Matters. Except as disclosed in the STI Reports delivered
to the Company prior to the date hereof or the STI Disclosure Letter, and except
for such matters that, alone or in the aggregate, are not reasonably likely to
have a Material Adverse Effect on STI: (i) each of STI and its Subsidiaries has
complied with all applicable Environmental Laws; (ii) the properties currently
owned or operated by STI or any of its Subsidiaries (including soils,
groundwater, surface water, buildings or other structures) are not contaminated
with any Hazardous Substances; (iii) the properties formerly owned or operated
by STI or any of its Subsidiaries were not contaminated with Hazardous
Substances during the period of ownership or operation by it or any of its
Subsidiaries; (iv) neither STI nor any of its Subsidiaries is subject to
liability for any Hazardous Substance disposal or contamination on any third
party property; (v) neither STI nor any Subsidiary has been associated with any
release or threat of release of any Hazardous Substance; (vi) neither STI nor
any Subsidiary has received any notice, demand, letter, claim or request for
information alleging that it or any of its Subsidiaries may be in violation of
or liable under any Environmental Law; (vii) neither STI nor any of its
Subsidiaries is subject to any orders, decrees, injunctions or other
arrangements with any Governmental Entity or is subject to any indemnity or
other agreement with any third party relating to liability under any
Environmental Law or relating to Hazardous Substances; and (viii) there are no
circumstances or conditions involving STI or any of its Subsidiaries that could
reasonably be expected to result in any claims, liability, investigations, costs
or restrictions on the ownership, use, or transfer of any of its properties
pursuant to any Environmental Law.

     (j) Accounting and Tax Matters. As of the date hereof, STI  has not taken
or agreed to take any action, nor do its executive officers have any actual
knowledge of any fact or circumstance, that would prevent STI from accounting
for the business combination to be effected by the Merger as a "pooling-of-
interests" or prevent the Merger and the other transactions contemplated by this
Agreement from qualifying as a "reorganization" within the meaning of Section
368(a) of the Code.

     (k) Taxes. STI and each of its Subsidiaries have prepared in good faith and
duly and timely filed (taking into account any extension of time within which to
file) all material Tax Returns required to be filed by any of them and all such
filed tax returns are complete and accurate in all material respects and: (i) it
and each of its Subsidiaries have paid all Taxes that are shown as due on such
filed Tax Returns or that it or any of its Subsidiaries is obligated to withhold
from amounts owing to any employee, creditor or third party, except with respect
to matters contested in good faith or for such amounts that, alone or in the
aggregate, are not reasonably likely to have a Material Adverse Effect on STI;
(ii) as of the date hereof, there are not pending or, to the actual knowledge of
its executive officers threatened in writing, any audits, examinations,
investigations or other proceedings in respect of Taxes or Tax matters; and
(iii) there are not, to the actual knowledge of its executive officers, any
unresolved questions or claims concerning STI's or any of its Subsidiaries' Tax
liability that are reasonably likely to have a Material Adverse Effect on STI.
Neither STI nor any of its Subsidiaries has any liability with respect to
income, franchise or similar Taxes in excess of the amounts accrued in respect
thereof that are reflected in the financial statements included in the STI
Reports delivered to the Company prior to the date hereof, except such excess
liabilities as are not, individually or in the aggregate, reasonably likely to
have a Material Adverse Effect on STI.

                                      -18-
<PAGE>
 
     (l) Labor Matters. Neither STI nor any of its Subsidiaries is the subject
of any material proceeding asserting that it or any of its Subsidiaries has
committed an unfair labor practice or is seeking to compel it to bargain with
any labor union or labor organization nor is there pending or, to the knowledge
of its executive officers, threatened, nor has there been for the past five
years, any labor strike, dispute, walkout, work stoppage, slow-down or lockout
involving it or any of its Subsidiaries, except in each case as is not,
individually or in the aggregate, reasonably likely to have a Material Adverse
Effect on STI.

     (m) Brokers and Finders. Neither STI nor any of its officers, directors or
employees has employed any broker or finder or incurred any liability for any
brokerage fees, commissions or finders, fees in connection with the Merger or
the other transactions contemplated in this Agreement.

                                   ARTICLE VI

                                   COVENANTS

     6.1. Interim Operations. (a) The Company and STI each covenants and agrees
that, after the date hereof and prior to the Effective Time (except for
subsection (iii) below which will continue after the Effective Time) (unless STI
or the Company, as the case may be, shall otherwise approve in writing, which
approval shall not be unreasonably withheld or delayed, and except as otherwise
expressly contemplated by this Agreement or in its respective Disclosure Letter
or as required by applicable Law):

          (i) the business of it and its Subsidiaries shall be conducted in the
     ordinary and usual course and, to the extent consistent therewith, it and
     its Subsidiaries shall use all reasonable efforts to preserve its business
     organization intact and maintain its existing relations and goodwill with
     customers, suppliers, regulators, distributors, creditors, lessors,
     employees and business associates;

          (ii) it shall not (A) amend its certificate of incorporation or by-
     laws; (B) split, combine, subdivide or reclassify its outstanding shares of
     capital stock; (C) declare, set aside or pay any dividend payable in cash,
     stock or property in respect of any capital stock, or (D) repurchase,
     redeem or otherwise acquire, except in the case of STI, in connection with
     the redemption of outstanding STI Redeemable Warrants or permit any of its
     Subsidiaries to purchase or otherwise acquire, any shares of its capital
     stock or any securities convertible into or exchangeable or exercisable for
     any shares of its capital stock;

          (iii) neither it nor any of its Subsidiaries shall knowingly take or
     fail to take any action if the result of such taking or failure would be to
     (A) prevent the Merger from qualifying for "pooling of interests"
     accounting treatment or as a "reorganization" within the meaning of Section
     368(a) of the Code or (B) cause any of its representations and warranties
     herein to become untrue in any material respect;

          (iv) neither it nor any of its Subsidiaries will authorize, or enter
     into an agreement to do any of the foregoing; and

          (v) each shall cause its respective Affiliates not to knowingly take
     or fail to take any action which it has agreed to do, or not do, herein.

                                      -19-
<PAGE>
 
     (b) STI and the Company agree that any written approval obtained under this
Section 6.1 may be relied upon by the other party if signed by the Chief
Executive Officer or another executive officer of the other party.

     6.2. Stockholders Meeting. The Company will take, in accordance with
applicable law and its certificate of incorporation and by-laws, all action
necessary to convene a meeting of holders of Company Shares (the "Stockholders
Meeting") as promptly as practicable after the effective date of this Agreement.

     6.3. Filings; Other Actions; Notification.

     (a) The Company and STI shall cooperate with each other and use all their
respective reasonable efforts to take or cause to be taken all actions, and do
or cause to be done all things, necessary, proper or advisable on its part under
this Agreement and applicable Laws to consummate and make effective the Merger
and the other transactions contemplated by this Agreement as soon as
practicable, including preparing and filing as promptly as practicable all
documentation to effect all necessary applications, notices, petitions, filings
and other documents and to obtain as promptly as practicable all consents,
registrations, approvals, permits and authorizations necessary or advisable to
be obtained from any third party and/or any Governmental Entity in order to
consummate the Merger or any of the other transactions contemplated by this
Agreement.

     (b) The Company and STI each shall keep the other apprised of the status of
matters relating to completion of the transactions contemplated hereby,
including promptly furnishing the other with copies of notice or other
communications received by STI or the Company, as the case may be, or any of its
Subsidiaries, from any third party and/or any Governmental Entity with respect
to the Merger and the other transactions contemplated by this Agreement. Each of
the Company and STI shall give prompt notice to the other of any change that is
reasonably likely to result in a Material Adverse Effect on it.

     6.4. Access. Upon reasonable notice, and except as may otherwise be
required by applicable law, the Company and STI each shall (and shall cause its
Subsidiaries to) afford the other's officers, employees, counsel, accountants
and other authorized representatives ("Representatives") reasonable access,
during normal business hours throughout the period prior to the Effective Time,
to its properties, books, contracts and records and, during such period, each
shall (and shall cause its Subsidiaries to) furnish promptly to the other all
information concerning its business, properties and personnel  as may reasonably
be requested, provided that no investigation pursuant to this Section shall
affect or be deemed to modify any representation or warranty made by the
Company, STI or Merger Sub hereunder, and provided, further, that the foregoing
shall not require the Company or STI to permit any inspection, or to disclose
any information, that in the reasonable judgment of the Company or STI, as the
case may be, would result in the disclosure of any trade secrets of third
parties or violate any of its obligations with respect to confidentiality if the
Company or STI, as the case may be, shall have used all reasonable efforts to
obtain the consent of such third party to such inspection or disclosure. All
requests for information made pursuant to this Section shall be directed to the
Chief Executive Officer of the Company or STI, as the case may be, or such
Person as may be designated by any such officer, as the case may be.

     6.5. Affiliates. (a) Each of the Company and STI shall deliver to the other
a letter identifying all Persons whom such party believes to be, at the Closing
Date, "affiliates" of such party for 

                                      -20-
<PAGE>
 
purposes of Rule 145 under the Securities Act. Each of the Company and STI shall
use all reasonable efforts to cause each Person who is identified as an
"affiliate" in the letter referred to above and who is not a party to this
Agreement, to deliver to STI prior to the Closing Date a written agreement
providing that each such Person will agree not to sell, pledge, transfer or
otherwise dispose of shares of STI Common Stock until such time as STI has
published consolidated financial results that cover at least thirty (30) days of
combined post-merger operations of STI and the Surviving Corporation.

     (b) If the Merger would otherwise qualify for pooling-of-interests
accounting treatment, shares of STI Common Stock issued to such affiliates of
the Company in exchange for Company Shares shall not be transferable until such
time as financial results covering at least 30 days of combined operations of
STI and the Company have been published within the meaning of Section 201.01 of
the SEC's Codification of Financial Reporting Policies, regardless of whether
each such affiliate has provided the written agreement referred to in this
Section, except to the extent permitted by, and in accordance with, SEC
Accounting Series Release 135 and SEC Staff Accounting Bulletins 65 and 76. Any
Company Shares held by any such affiliate shall not be transferable, regardless
of whether such affiliate has provided the applicable written agreement referred
to in this Section, if such transfer, either alone or in the aggregate with
other transfers by affiliates, would preclude STI's ability to account for the
business combination to be effected by the Merger as a pooling of interests. The
Company shall not register the transfer of any Certificate, unless such transfer
is made in compliance with the foregoing.

     6.6. Publicity. The Company and STI each shall consult with each other
prior to issuing any press releases or otherwise making public announcements
with respect to the Merger and the other transactions contemplated by this
Agreement and prior to making any filings with any third party and/or any
Governmental Entity (including any national securities exchange) with respect
thereto, except as may be required by law or by obligations pursuant to any
listing agreement with or rules of any national securities exchange.

     6.7. Employment Agreements; Employee Compensation and Benefits.

     (a) Employment Agreements. Prior to the Effective Time, the Company will
enter into employment agreements (in most cases with a form of attached stock
option agreement) with each of Jay Lackey and Frank D. Lackey in substantially
the form attached hereto as Exhibits 6.7(a) and (b), respectively, which
employment agreements shall become effective from and after the Effective Time.
Effective from and after the Effective Time, STI will grant to the other
employees of the Company listed on Exhibit 6.7(c) with options to purchase STI
common stock under STI's Amended and Restated 1994 Stock Option Plan, in such
amounts as are set forth opposite such employees name on Exhibit 6.7(c), subject
to normal vesting requirements that are no less favorable to such employees as
similar options granted to other similarly situated employees of STI and its
Subsidiaries.

     (b) Employee Compensation and Benefits. STI agrees that it shall cause the
Surviving Corporation for at least two years after the Effective Time to provide
or cause to be provided to employees of the Company other than those listed in
Section 6.7(a) above, compensation and employee benefits that are no less
favorable, in the aggregate, than the Company's compensation and employee
benefits disclosed on Section 6.7(b) of the Company Disclosure Letter; provided,
however, if during this period STI implements any widespread increase or
decrease in benefits under compensation and benefit plans or in the cost thereof
to participants under compensation and benefit 

                                      -21-
<PAGE>
 
plans applicable to employees of STI and its Subsidiaries (other than the
Surviving Corporation and its Subsidiaries), the Surviving Corporation shall,
subject to compliance with applicable Laws and the terms of any then existing
employment agreement, proportionately adjust the compensation and employee
benefits then being provided to employees of the Surviving Corporation or the
cost thereof to employees or participants.

     6.8. Expenses. Whether or not the Merger is consummated, all costs and
expenses incurred in connection with this Agreement and the Merger and the other
transactions contemplated by this Agreement shall be paid by the party incurring
such expense.

     6.9. Indemnification of STI.

     (a) If the Merger is consummated, the Company Stockholders severally agree
to indemnify and hold each of STI and its respective Subsidiaries (collectively,
the "STI Indemnified Parties"), harmless from and against any and all
liabilities, damages, losses, claims, demands, costs or expenses (including
interest, penalties, reasonable attorneys' and accountants' fees and expenses,
court costs and fees of expert witnesses) whether liquidated or unliquidated,
accrued or contingent, (all of the foregoing hereinafter collectively referred
to as the "Claims") which the STI Indemnified Parties shall suffer or incur,
resulting from, related to, or arising out of (i) any inaccuracy in any
representation or warranty of the Company Stockholders or the Company contained
in this Agreement or (ii) any failure of the Company or the Company Stockholders
to perform their obligations in connection with this Agreement.  Anything to the
contrary herein notwithstanding, (i) the Company Stockholders shall not be
liable for any such Claim if, at the Closing Date, STI had knowledge of such
inaccuracy in representation or warranty of the Company or the Company
Stockholders or of the Company's or the Company Stockholders' failure to perform
an obligation that is an obligation required to be performed prior to the
Closing Date; (ii) the Company Stockholders shall only be liable to the STI
Indemnified Parties for inaccuracies in any representation or warranty of the
Company or the Company Stockholders contained in this Agreement to the extent
the aggregate amount of the STI Indemnified Parties' Claims thereunder exceeds
$25,000; (iii) each Company Stockholder's several liability shall be limited to
its proportionate share of the Claims; (iv) the aggregate liability of the
Company Stockholders pursuant to this Section 6.9 shall not exceed in any event
$3,850,000; and (v) the Company Stockholders shall have no obligation hereunder
with respect to any particular Claim unless the STI Indemnified Parties shall
have given written notice thereof in the manner provided in Section 6.11 below
on or prior to one year  after the Effective Time (the "Release Date").  Any
such claim for indemnification shall be adjusted, to take into account (a) the
receipt of any insurance proceeds by the STI Indemnified Parties with respect to
any Claims and (b) any tax benefit to, or tax burden on, the STI Indemnified
Parties incident to the matter giving rise to such claim for indemnification or
to the indemnification payment hereunder.  A Company Stockholder's proportionate
share of Claims shall mean such Stockholder's percentage (of the Claims) equal
to the number of shares in the Company held by such Stockholder immediately
prior to the Effective Time divided by the number of shares in Company held by
all Company Stockholders immediately prior to the Effective Time.

     (b) No Exhaustion of Remedies or Subrogation.  The Company Stockholders
acknowledge that their obligation is independent of the obligations of the
Company pursuant to this Agreement, and that the Company Stockholders waive any
right to require the STI Indemnified Parties to (i) proceed against the Company
or exhaust any security, if any, held from the Company; or (ii) pursue any other
remedy whatsoever in the power of the STI Indemnified Parties; provided,

                                      -22-
<PAGE>
 
however, that the STI Indemnified Parties agree that they will make a claim
against any applicable insurance policy available to the STI Indemnified
Parties, and the STI Indemnified Parties may provide notice of but will not
further proceed against the Company Stockholders for payment of a Claim until
any related insurance claim has been denied.   The STI Indemnified Parties will
not be required to pursue any other remedies against any insurance policy if a
claim thereunder is denied. To the extent the STI Indemnified Parties elect not
to further pursue any claim, the Company Stockholders shall be entitled to
pursue such claim.  Any such action by the Company Stockholders shall not affect
or further delay the rights of  the STI Indemnified Parties to proceed against
the Company Stockholders for payment of a Claim.  The Company Stockholders
further waive any right of subrogation, reimbursement, contribution or indemnity
against or from either of the Constituent Corporations and shall have no right
or recourse to or with respect to either of the Constituent Corporations or any
right to participate in any security pledged by either of the Constituent
Corporations, if any, all of which is waived by the Company Stockholders.

     6.10.     Indemnification of the Company Stockholders.

     (a) If the Merger is consummated, STI agrees to indemnify and hold the
Company Stockholders harmless from and against any and all liabilities, damages,
losses, claims, demands, costs or expenses (including interest, penalties,
reasonable attorneys' and accountants' fees and expenses, court costs and fees
of expert witnesses) whether liquidated or unliquidated, accrued or contingent,
(all of the foregoing hereinafter collectively referred to as the "Claims")
which the Company Stockholders shall suffer or incur, resulting from, related
to, or arising out of (i) any inaccuracy in any representation or warranty of
the STI contained in this Agreement or (ii) any failure of STI to perform its
obligations in connection with this Agreement.  Anything to the contrary herein
notwithstanding, (i) STI shall not be liable for any such Claims if, at the
Closing Date, the Company Stockholders had knowledge of such inaccuracy in
representation or warranty of STI or of STI's failure to perform an obligation
that is an obligation required to be performed prior to the Closing Date; (ii)
STI shall only be liable to the Company Stockholders for inaccuracies in any
representation or warranty of STI contained in this Agreement to the extent the
aggregate amount of the Company Stockholders' Claims thereunder exceed $25,000;
(iii) the aggregate liability of Parent pursuant to this Section 6.10 shall not
exceed in any event $3,850,000; and (iv) STI shall have no obligation hereunder
with respect to any particular Claim unless the Company Stockholders shall have
given written notice thereof in the manner provided in Section 7.4 below on or
prior to the Release Date.  Any such claim for indemnification shall be
adjusted, to take into account (a) the receipt of any insurance proceeds by the
Company Stockholders with respect to any Claims and (b) any tax benefit to, or
tax burden on, the Company Stockholders incident to the matter giving rise to
such claim for indemnification or to the indemnification payment thereunder.

     6.11.  Procedure for Indemnification Claims.

     (a) If, prior to the Release Date, a party shall incur or receive notice of
the existence of any Claim for which such party claims indemnity hereunder (the
"Indemnitee"), the Indemnitee shall promptly give written notice thereof to the
other party (the "Indemnitor").  The Indemnitee shall furnish to the Indemnitor
in reasonable detail such information as the Indemnitee may have with respect
thereto (including in any case, copies of any summons, complaint or other
pleading which may have been served on it and any written claim, demand,
invoice, billing or other document evidencing or asserting the same); provided,
however, that no failure or delay by the Indemnitee in the performance of the
foregoing prior to the Release Date shall reduce or otherwise affect the 

                                      -23-
<PAGE>
 
obligation of the Indemnitor to indemnify and hold the Indemnitee harmless,
except to the extent that such failure or delay shall have actually impaired the
Indemnitor's ability to defend against, settle or satisfy such liability,
damage, loss, claim or demand, or increased the cost thereof.

     (b) In the event of asserted liabilities to and claims and demands of third
parties, including any action, suit or proceeding related thereto, with respect
to matters set forth in Section 6.9 and 6.10 hereof, the Indemnitee shall have
the right to pay, compromise, settle or otherwise dispose of any claim or
conduct the defense or settlement of any action, suit or proceeding as the
Indemnitee shall deem appropriate; provided, however, that if the Indemnitee
shall pay any claim or settle any suit, action or proceeding without the written
consent of the Indemnitor, the right of the Indemnitee to make any claim against
the Indemnitor shall neither be deemed conclusively established nor conclusively
denied.  The Indemnitor shall have the right to be represented by advisory
counsel and accountants (at its own expense) in connection with any action, sit
or proceeding, and the Indemnitor shall be kept reasonably informed by the
Indemnitee of such action, suit or proceeding at reasonable times at all stages
thereof, whether or not the Indemnitor is so represented.  The Indemnitee and
Indemnitor agree to make available to each other, their counsel and accountants
all information and documents reasonably available to them which relate to such
action, suit or proceeding, and Indemnitee and Indemnitor agree to render to
each other such assistance as they may reasonably require of each other in order
to ensure the proper and adequate defense of any such action, suit or
proceeding.

     (c) Satisfaction of Claims.  Notwithstanding anything in this Agreement to
the contrary, any liabilities of the Indemnitor on account of any
indemnification hereunder shall be satisfied solely by exercise of the
Indemnitee's rights under this Agreement, provided that nothing in this
Agreement shall be deemed to limit any right or remedy of the Indemnitee or any
other person against any other person for the fraud or criminal activity of such
other person.

     6.12. Takeover Statute. If any Takeover Statute is or may become applicable
to the Merger or the other transactions contemplated by this Agreement, each of
STI and the Company and its board of directors shall grant such approvals and
take such actions as are necessary so that such transactions may be consummated
as promptly as practicable on the terms contemplated by this Agreement or by the
Merger and otherwise act to eliminate or minimize the effects of such statute or
regulation on such transactions.

     6.13. Confidentiality. The Company, STI and Merger Sub each agrees not to
disclose or permit the disclosure for any purpose other than the transactions
contemplated hereby of any non-public, confidential or proprietary information
furnished to such party by another party hereto in connection with the
transactions contemplated by this Agreement, provided that such disclosure may
be made (a) to any Person who is an officer, director or employee of such party,
or to counsel, accountants and financial advisors to such party solely for their
use in evaluating the transactions contemplated by this Agreement, (b) with the
prior written consent of all parties to this Agreement or (c) pursuant to a
subpoena or order issued by a court, arbitrator or governmental body, agency or
official.

     6.14. Control of the Company's Operations. Nothing contained in this
Agreement shall give STI, directly or indirectly, rights to control or direct
the Company's operations prior to the Effective Time. Prior to the Effective
Time, the Company shall exercise, consistent with the terms and conditions of
this Agreement, complete control and supervision of its operations.

                                      -24-
<PAGE>
 
                                  ARTICLE VII

                                   CONDITIONS

     7.1. Conditions to Each Party's Obligation to Effect the Merger. The
respective obligation of each party to effect the Merger is subject to the
satisfaction or waiver at or prior to the Effective Time of each of the
following conditions:

     (a) Stockholder Approval. This Agreement shall have been duly approved by
holders of Company Shares constituting the Company Requisite Vote and have been
duly approved by the sole stockholder of Merger Sub;

     (b) Litigation. No court or Governmental Entity of competent jurisdiction
shall have enacted, issued, promulgated, enforced or entered any Law (whether
temporary, preliminary or permanent) that is in effect and restrains, enjoins or
otherwise prohibits consummation of the Merger or the other transactions
contemplated by this Agreement  (collectively, an "Order"), and no Governmental
Entity shall have instituted any proceeding or threatened to institute any
proceeding seeking any such Order.

     (c) Affiliates and Accountants' Letters. STI and the Company shall have
received the letters described in Section 6.5(a). STI shall have received such
assurances as it deems necessary from its independent public accounting firm to
the effect that the Merger will qualify for "pooling-of-interests" accounting
treatment.

     (d) Employment Agreements. The Company and each of the employees listed in
Section 6.7(a) shall have executed and delivered to the other party thereto the
employment agreement referred to in Section 6.7(a) to which they are a party.

     7.2. Conditions to Obligations of STI and Merger Sub. The obligations of
STI and Merger Sub to effect the Merger are also subject to the satisfaction or
waiver by STI at or prior to the Effective Time of the following conditions:

     (a) Representations and Warranties. The representations and warranties of
the Company and the Company Stockholders set forth in this Agreement shall be
true and correct as of the date of this Agreement and (except to the extent such
representations and warranties speak as of an earlier date) as of the Closing
Date as though made on and as of the Closing Date, and STI shall have received a
certificate signed on behalf of the Company by the Chief Executive Officer of
the Company and on behalf of each Company Stockholder by such Company
Stockholder to such effect.

     (b) Performance of Obligations of the Company and the Company Stockholders.
The Company and the Company Stockholders shall have performed in all material
respects all obligations required to be performed by them under this Agreement
at or prior to the Closing Date, and STI shall have received a certificate
signed on behalf of the Company by the Chief Executive Officer of the Company
and on behalf of each Company Stockholder by such Company Stockholder to such
effect.

     (c) Consents Under Agreements. The Company shall have obtained the  consent
or approval of each Person whose consent or approval shall be required in order
to consummate the transactions contemplated by this Agreement under any Contract
to which the Company is a party, except those 

                                      -25-
<PAGE>
 
for which the failure to obtain such consent or approval, individually or in the
aggregate, is not reasonably likely to have, a Material Adverse Effect on the
Company or is not reasonably likely to materially adversely affect the ability
of the Company to consummate the transactions contemplated by this Agreement.

     7.3. Conditions to Obligation of the Company and the Company Stockholders.
The obligation of the Company and the Company Stockholders to effect the Merger
is also subject to the satisfaction or waiver by the Company and the Company
Stockholders at or prior to the Effective Time of the following conditions:

     (a) Representations and Warranties. The representations and warranties of
STI and Merger Sub set forth in this Agreement shall be true and correct as of
the date of this Agreement and (except to the extent such representations and
warranties speak as of an earlier date) as of the Closing Date as though made on
and as of the Closing Date, and the Company shall have received a certificate
signed on behalf of STI by the Chief Executive Officer of STI to such effect.

     (b) Performance of Obligations of STI and Merger Sub. Each of STI and
Merger Sub shall have performed in all material respects all obligations
required to be performed by it under this Agreement at or prior to the Closing
Date, and the Company shall have received a certificate signed on behalf of STI
and Merger Sub by  the Chief Executive Officer of STI to such effect.

     (c) Consents Under Agreements. STI shall have obtained the consent or
approval of each Person whose consent or approval shall be required in order to
consummate the transactions contemplated by this Agreement under any Contract to
which STI or any of its Subsidiaries is a party, except those for which failure
to obtain such consents and approvals, individually or in the aggregate, is not
reasonably likely to have a Material Adverse Effect on STI or is not reasonably
likely to materially adversely affect the ability of STI to consummate the
transactions contemplated by this Agreement.
 
                                  ARTICLE VIII

                                  TERMINATION

     8.1. Termination by Mutual Consent. This Agreement may be terminated and
the Merger may be abandoned at any time prior to the Effective Time by mutual
written consent of the Company and STI, by action of their respective boards of
directors.

     8.2. Termination by Either STI or the Company. This Agreement may be
terminated and the Merger may be abandoned at any time prior to the Effective
Time by action of the board of directors of either STI or the Company if (i) the
Merger shall not have been consummated by May 31, 1997; provided, however, that
if STI or the Company determines that additional time is necessary in connection
with obtaining a required approval or consent, the Termination Date may be
extended by STI or the Company from time to time by written notice to the other
party to a date not beyond June 30, 1997 (the "Termination Date"), or (ii) any
Order permanently restraining, enjoining or otherwise prohibiting consummation
of the Merger shall become final and non-appealable; provided, that the right to
terminate this Agreement pursuant to clause (i) above shall not be available to
any party that has breached in any material respect its obligations under this
Agreement in any manner that shall have proximately contributed to the failure
of the Merger to be consummated.
 

                                      -26-
<PAGE>
 
     8.3. Effect of Termination and Abandonment. In the event of termination of
this Agreement and the abandonment of the Merger pursuant to this Article VIII,
this Agreement (other than as set forth in Section 9.1) shall become void and of
no effect with no liability on the part of any party hereto (or of any of its
directors, officers, employees, agents, legal or financial advisors or other
representatives); provided, however, no such termination shall relieve any party
hereto from any liability for any breach of this Agreement.

                                   ARTICLE IX

                           MISCELLANEOUS AND GENERAL

     9.1. Survival. This Article IX and the agreements of the Company, Company
Stockholders, STI and Merger Sub contained in Sections 4.5, 4.6, 4.7, 4.8,
6.1(a)(iii), 6.1(a)(v), 6.7(b), 6.9, 6.10, and 6.11 shall survive the
consummation of the Merger. All other representations, warranties, covenants and
agreements in this Agreement shall not survive the consummation of the Merger or
the termination of this Agreement.

     9.2. Modification or Amendment. Subject to the provisions of the applicable
law, at any time prior to the Effective Time, the parties hereto may modify or
amend this Agreement, by written agreement executed and delivered by duly
authorized officers of the respective parties.

     9.3. Waiver of Conditions. The conditions to each of the parties'
obligations to consummate the Merger are for the sole benefit of such party and
may be waived by such party in whole or in part to the extent permitted by
applicable law.

     9.4. Counterparts. This Agreement may be executed in any number of
counterparts, each such counter part being deemed to be an original instrument,
and all such counterparts shall together constitute the same agreement.

     9.5. GOVERNING LAW AND VENUE; WAIVER OF JURY TRIAL. (a) 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 LAW OF THE STATE OF NEW
MEXICO WITHOUT REGARD TO THE CONFLICT OF LAW PRINCIPLES THEREOF, EXCEPT THAT
OKLAHOMA LAW SHALL APPLY TO THE EXTENT REQUIRED IN CONNECTION WITH THE
EFFECTUATION OF THE MERGER. The parties hereby irrevocably submit to the
jurisdiction of the Federal courts of the United States of America located in
the States of Oklahoma and New Mexico solely in respect of the interpretation
and enforcement of the provisions of this Agreement and of the documents
referred to in this Agreement, and in respect of the transactions contemplated
hereby and thereby, and hereby waive, and agree not to assert, as a defense in
any action, suit or proceeding for the interpretation or enforcement hereof or
of any such document, that it is not subject thereto or that such action, suit
or proceeding may not be brought or is not maintainable in said courts or that
the venue thereof may not be appropriate or that this Agreement or any such
document may not be enforced in or by such courts, and the parties hereto
irrevocably agree that all claims with respect to such action or proceeding
shall be heard and determined in such a Federal court. The parties hereby
consent to and grant any such court jurisdiction over the Person of such parties
and over the subject matter of such dispute and agree that mailing of process or
other papers in connection with any such action or 

                                      -27-
<PAGE>
 
proceeding in the manner provided in Section 9.6 or in such other manner as may
be permitted by law, shall be valid and sufficient service thereof.

     (b) EACH PARTY ACKNOWLEDGES AND AGREES THAT ANY CONTROVERSY WHICH MAY ARISE
UNDER THIS AGREEMENT IS LIKELY TO INVOLVE COMPLICATED AND DIFFICULT ISSUES, AND
THEREFORE EACH SUCH PARTY HEREBY IRREVOCABLY AND UNCONDITIONALLY WAIVES ANY
RIGHT SUCH PARTY MAY HAVE TO A TRIAL BY JURY IN RESPECT OF ANY LITIGATION
DIRECTLY OR INDIRECTLY ARISING OUT OF OR RELATING TO THIS AGREEMENT, OR THE
TRANSACTIONS CONTEMPLATED BY THIS AGREEMENT. EACH PARTY CERTIFIES AND
ACKNOWLEDGES THAT (i) NO REPRESENTATIVE, AGENT OR ATTORNEY OF ANY OTHER PARTY
HAS REPRESENTED, EXPRESSLY OR OTHERWISE, THAT SUCH OTHER PARTY WOULD NOT, IN THE
EVENT OF LITIGATION, SEEK TO ENFORCE THE FOREGOING WAIVER, (ii) EACH SUCH PARTY
UNDERSTANDS AND HAS CONSIDERED THE IMPLICATIONS OF THIS WAIVER, (iii) EACH SUCH
PARTY MAKES THIS WAIVER VOLUNTARILY, AND (iv) EACH SUCH PARTY HAS BEEN INDUCED
TO ENTER INTO THIS AGREEMENT BY, AMONG OTHER THINGS, THE MUTUAL WAIVERS AND
CERTIFICATIONS IN THIS SECTION 9.5.

     9.6. Notices. Any notice, request, instruction or other document to be
given hereunder by any party to the others shall be in writing and delivered
personally or sent by registered or certified mail, postage prepaid, or by
facsimile:

                                      -28-
<PAGE>
 
     if to STI or Merger Sub:

     Specialty Teleconstructors, Inc.
     12001 Hwy 14 North
     Cedar Crest, New Mexico 87008
     Attention: Michael R. Budagher
                President and Chief Executive Officer
     Fax: (505) 281-8652

     with copies to:

     Jeffrey A. Howard
     Jordaan, Howard & Pennington, PLLC
     300 Crescent Court, Suite 1670
     Dallas, Texas 75201
     Fax: (214) 871-6560

     if to the Company:

     Novak & Lackey Construction Co.
     14001 Quailbrook Drive
     Oklahoma City, Oklahoma 73134
     Attention: Frank D. Lackey
                President and Chief Executive Officer
     Fax: (405) 936-2001

     with copies to:

     Michael M. Stewart
     Crowe & Dunlevy
     A Professional Corporation
     1800 Mid-America Tower
     20 North Broadway
     Oklahoma City, Oklahoma 73102
     Fax: (405) 272-5238

     if to the Company Stockholders:

     To the Persons and the Respective Addresses
     Set forth on Exhibit 1, in each case

                                      -29-
<PAGE>
 
     with copies to:

     Michael M. Stewart
     Crowe & Dunlevy
     A Professional Corporation
     1800 Mid-America Tower
     20 North Broadway
     Oklahoma City, Oklahoma 73102
     Fax: (405) 272-5238

     or to such other persons or addresses as may be designated in writing by
the party to receive such notice as provided above.

     9.7. Entire Agreement. This Agreement (including any exhibits hereto), the
Company Disclosure Letter and the STI Disclosure Letter constitute the entire
agreement, and supersede all other prior agreements, understandings,
representations and warranties both written and oral, among the parties, with
respect to the subject matter hereof. EACH PARTY HERETO AGREES THAT, EXCEPT FOR
THE REPRESENTATIONS AND WARRANTIES CONTAINED IN THIS AGREEMENT, NEITHER STI OR
MERGER SUB NOR THE COMPANY OR THE COMPANY STOCKHOLDERS MAKES ANY OTHER
REPRESENTATIONS OR WARRANTIES, AND EACH HEREBY DISCLAIMS ANY OTHER
REPRESENTATIONS OR WARRANTIES MADE BY ITSELF OR HIMSELF OR ANY OF ITS OFFICERS,
DIRECTORS, EMPLOYEES, AGENTS, FINANCIAL AND LEGAL ADVISORS OR OTHER
REPRESENTATIVES, WITH RESPECT TO THE EXECUTION AND DELIVERY OF THIS AGREEMENT OR
THE TRANSACTIONS CONTEMPLATED HEREBY, NOTWITHSTANDING THE DELIVERY OR DISCLOSURE
TO THE OTHER OR THE OTHER'S REPRESENTATIVES OF ANY DOCUMENTATION OR OTHER
INFORMATION WITH RESPECT TO ANY ONE OR MORE OF THE FOREGOING.

     9.8. No Third Party Beneficiaries. Except as provided in Sections 6.09
(Indemnification of STI) and 6.11 (Procedure for Indemnification Claims), this
Agreement is not intended to confer upon any Person other than the parties
hereto any rights or remedies hereunder.

     9.9. Obligations of STI and of the Company. Whenever this Agreement
requires a Subsidiary of STI to take any action, such requirement shall be
deemed to include an undertaking on the part of STI to cause such Subsidiary to
take such action. Whenever this Agreement requires a Subsidiary of the Company
to take any action, such requirement shall be deemed to include an undertaking
on the part of the Company to cause such Subsidiary to take such action and,
after the Effective Time, on the part of the Surviving Corporation to cause such
Subsidiary to take such action.

     9.10. Severability. The provisions of this Agreement shall be deemed
severable and the invalidity or unenforceability of any provision shall not
affect the validity or enforceability or the other provisions hereof. If any
provision of this Agreement, or the application thereof to any Person or any
circumstance, is invalid or unenforceable, (a) a suitable and equitable
provision shall be substituted therefor in order to carry out, so far as may be
valid and enforceable, the intent and purpose of such invalid or unenforceable
provision and (b) the remainder of this Agreement and the application of such
provision to other Persons or circumstances shall not be affected by such

                                      -30-
<PAGE>
 
invalidity or unenforceability, nor shall such invalidity or unenforceability
affect the validity or enforceability of such provision, or the application
thereof, in any other jurisdiction.

     9.11. Interpretation. The headings herein are for convenience of reference
only, do not constitute part of this Agreement and shall not be deemed to limit
or otherwise affect any of the provisions hereof.  Where a reference in this
Agreement is made to a Section or Exhibit, such reference shall be to a Section
of or Exhibit to this Agreement unless otherwise indicated. Whenever the words
"include," "includes" or "including" are used in this Agreement, they shall be
deemed to be followed by the words "without limitation."

     9.12. Assignment. This Agreement shall not be assignable by operation of
law or otherwise; provided, however, that STI may designate, by written notice
to the Company, another wholly-owned direct or indirect Subsidiary to be a
Constituent Corporation in lieu of Merger Sub, in which event all references
herein to Merger Sub shall be deemed references to such other Subsidiary except
that all representations and warranties made herein with respect to Merger Sub
as of the date of this Agreement shall be deemed representations and warranties
made with respect to such other subsidiary as of the date of such designation.

                                      -31-
<PAGE>
 
     IN WITNESS WHEREOF, this Agreement has been duly executed and delivered by
the duly authorized officers of the corporate parties hereto, the duly
authorized representatives of any trust or other party hereto acting in a
fiduciary capacity and the  individual parties hereto, all as of the date first
written above.

                                 NOVAK & LACKEY CONSTRUCTION CO., INC.


                                 By: /s/ Frank D. Lackey
                                     -------------------------------------------
                                 Name: Frank D. Lackey
                                 Title: President and Chief Executive Officer


                                 SPECIALTY TELECONSTRUCTORS, INC.


                                 By: /s/ Michael R. Budagher
                                     -------------------------------------------
                                 Name: Michael R. Budagher
                                 Title: President and Chief Executive Officer


                                 N&L ACQUISITION, INC.


                                 By: /s/ Michael R. Budagher
                                     -------------------------------------------
                                 Name: Michael R. Budagher
                                 Title: President and Chief Executive Officer

                                      -32-
<PAGE>
 
                                 COMPANY STOCKHOLDERS:

                                 THE FRANK D. LACKEY REVOCABLE TRUST

                                 By: /s/ Frank D. Lackey
                                     -------------------------------------------
                                 Name: Frank D. Lackey
                                 Title: Co-Trustee


                                 By: /s/ Jo LaVern Lackey
                                     -------------------------------------------
                                 Name: Jo LaVern Lackey
                                 Title: Co-Trustee


                                 THE JO LAVERN LACKEY REVOCABLE TRUST

                                 By: /s/ Jo LaVern Lackey 
                                     -------------------------------------------
                                 Name: Jo LaVern Lackey
                                 Title: Co-Trustee


                                 By: /s/ Frank D. Lackey
                                     -------------------------------------------
                                 Name: Frank D. Lackey
                                 Title: Co-Trustee


                                 THE JAY CHRISTOPHER LACKEY TRUST

                                 By: /s/ Jo LaVern Lackey
                                     -------------------------------------------
                                 Name: Jo LaVern Lackey
                                 Title: Trustee

                                      -33-
<PAGE>
 
                                   Exhibit 1
                                   ---------
 
Name and Address of                 Number of Company  Percentage
Company Stockholder                   Shares Owned      Ownership
- -------------------                 -----------------  -----------
 
Frank D. Lackey Revocable Trust          1,575             63%
15800 Sonoma Court                                  
Edmond, Oklahoma 73013                              
                                                    
Jo LaVern Lackey Revocable Trust           100              4%
15800 Sonoma Court                                  
Edmond, Oklahoma 73013                              
                                                    
Jay Christopher Lackey Trust               825             33%
15800 Sonoma Court                                  
Edmond, Oklahoma 73013                              
                                         -----            ---
Total                                    2,500            100%



                                      -34-
<PAGE>
 
                                 Exhibit 6.7(a)
                                 --------------

                Form of Employment Agreement of Frank D. Lackey

                                 [See attached]

                                      -35-
<PAGE>
 
                             EMPLOYMENT AGREEMENT

     This EMPLOYMENT AGREEMENT (this "Agreement") dated as of May 14, 1997,
between NOVAK & LACKEY CONSTRUCTION CO., INC., an Oklahoma corporation (together
with its assigns, "N&L"), Frank D. Lackey ("Employee"), and SPECIALTY
TELECONSTRUCTORS, INC., a Nevada corporation, ("STI").

1.  Definitions.

    (a) "Confidential Information" means all information of any kind, type or
         ------------------------
    nature (written or oral) that at any time during the employment of Employee
    by N&L is devised, developed, discovered or otherwise learned of by
    Employee to the extent that such information relates to N&L or its
    corporate parent or any of its subsidiaries or its corporate parent's
    subsidiaries, or any of their respective businesses, products, processes,
    properties, assets, customers, markets, marketing strategies, management,
    employees, technology, know-how, trade secrets, financial conditions or
    prospects; provided, however, Confidential Information shall not include
    (i) information otherwise available to the public; (ii) information
    generally known in the construction industry; and (iii) information
    regarding general construction practices.

    (b) "Person" means any individual, corporation, partnership, trust,
         ------
    government or regulatory authority, or other entity.

2.  Employment. N&L shall employ Employee on terms described herein, and
    ----------
Employee accepts employment, upon the terms and conditions of this Agreement.
N&L and STI shall cause Employee to be elected as the Chairman of the Board of
Directors of N&L.

3.  Term. The term of this Agreement shall begin on May 14, 1997 (the "Effective
    ----
Date") and shall continue for a period of two (2) years, unless sooner
terminated pursuant to the provisions of Sections 4 and 14 herein.

4.  Termination. This Agreement shall terminate automatically upon the
    -----------
expiration of its term or upon the death of the Employee or under circumstances
described in Section 14 of this Agreement. In addition, this Agreement may be
terminated by N&L or the Employee under the following circumstances:

    4.1  By N&L.
          ------

         (a) Termination for Cause. N&L may terminate this Agreement at any time
             ---------------------
         prior to the expiration of its terms for cause. For purposes of this
         Section 4.1(a), "cause" shall mean: (i) Employee's conviction for any
         felony or crime of moral turpitude; (ii) Employee breach of any
         provision of Sections 10 and 11 of this Agreement; (iii) Employee's
         material breach of any provision of this Agreement other than Sections
         10 and 11; (iv) the repeated and continuous failure or refusal
<PAGE>
 
         of Employee to perform his duties in a manner which is reasonably
         acceptable to N&L after being notified by N&L of such failure and such
         failure is not cured within 60 days; or (v) intentional neglect of
         duty. The Employee's termination shall not be considered to be for
         cause unless (i) reasonable notice shall have been provided to the
         Employee of the proposed termination together with the reasons for the
         termination specifying the conduct and clauses above serving as the
         basis therefor; and (ii) the Employee, together with his counsel, shall
         have been afforded an opportunity to be heard before the Board of
         Directors of N&L.

         (b) Termination Without Cause. N&L may, in its sole discretion, without
             -------------------------
         any cause whatsoever, terminate Employee's employment by providing him
         or her with 30 days' prior written notice and, at its election, may
         relieve Employee of his or her duties and responsibilities at any time
         thereafter. In the event of termination without cause, Employee shall
         be entitled to receive earned but unpaid salary due Employee at the
         time of his/her termination and to receive his/her base salary which
         would become due under the remaining term of this Agreement if the
         Employee had not been terminated. Such amounts shall be paid in one
         lump sum within thirty (30) days of the Employee's termination of
         employment.

4.2  By Employee.
     ------------

         (a) Termination for Good Reason. Employee may terminate this Agreement
             ---------------------------
         at any time prior to the expiration of its term for good reason. For
         purposes of this Agreement, good reason shall mean, without Employee's
         prior written consent (i) any reduction in the Employee's base salary
         as in effect as of the Effective Date or as may be increased
         thereafter; (ii) termination of Employee from the office of Chairman of
         the Board of Directors of N&L; (iii) requiring Employee to travel or
         otherwise be away from home for periods materially exceeding those
         required of Employee during the six months immediately preceding the
         Effective Date; (iv) requiring the Employee to relocate from his home
         as of the Effective Date; or (v) any other material breach of this
         Agreement by N&L. In the event of termination for good reason, Employee
         shall be entitled to receive earned but unpaid salary due Employee at
         the time of his/her termination and to receive his/her base salary
         which would become due under the remaining term of this Agreement if
         the Employee had not been terminated. Such amounts shall be paid in one
         lump sum within thirty (30) days of the Employee's termination of
         employment. The Employee's termination shall not be considered to be
         for good reason unless reasonable notice shall have been provided to
         the President of STI of the proposed termination together with the
         reasons for the termination specifying the conduct and clauses above
         serving as the basis therefor.

                                       2
<PAGE>
 
          (b)  Termination Without Cause. Employee may terminate this Agreement
               ------------------------
          without cause upon 30 days' written notice to N&L. Upon receipt of
          such notice, N&L may elect to terminate his or her employment at any
          time thereafter prior to the Employee's designated last day of
          employment, and provide him or her with pay until such designated last
          day in lieu of notice.

     4.3  By Death. If this Agreement is terminated by the death of Employee,
          --------
     Employee's estate shall be entitled to receive earned but unpaid salary due
     Employee at the time of his death. Such amounts shall be paid in one lump
     sum within thirty (30) days of the Employee's death.

5.   Compensation.
     -------------

     (a) Salary. N&L shall pay Employee for all services rendered to or on
         ------
     behalf of N&L a salary of $50,000 per year, payable in equal semi-monthly
     installments. Federal and state income tax withholding, social security
     contributions and any other taxes, deductions or assessments required by
     applicable law to be withheld from Employee's salary will be withheld from
     salary payments. Salary increases, if any, are at the sole discretion of
     N&L.

6.   Employee Benefits. Employee shall be entitled to participate on the same
     -----------------
basis as other employees of N&L in all sick pay, fringe benefit or deferred
compensation plans (other than stock option plans) as may be authorized and
adopted from time to time by N&L for its employees generally, subject to any
applicable limitations of the service/plan provider, plan documents and/or
government rules and regulations. In addition, Employee shall be entitled to
participate on the same basis as other employees of N&L and STI or any of its
subsidiaries in all sick pay, fringe benefit or deferred compensation plans
(other than stock option plans) as may be authorized and adopted from time to
time by STI or any of its subsidiaries for the benefit of or participation of
all employees of STI and its subsidiaries (other than N&L), subject to any
applicable limitations of the service/plan provider, plan documents and/or
government rules and regulations. Employee shall also be eligible to participate
in any incentive, fringe benefit, deferred compensation or equity plans (other
than stock option plans) made available to key employees of STI or its
subsidiaries who are in comparable positions as Employee on the same basis as
such comparable employees. For purposes of determining Employee's eligibility or
vesting under any of STI's plans, Employee shall be credited for his/her years
of service with N&L.

7.   Duties. Employee shall serve as the Chairman of the Board of Directors for
     ------
N&L and his duties shall include all duties incident to the management of said
position, unless otherwise directed by N&L's Board of Directors. N&L's Board of
Directors may, at any time and from time to time, make such reasonable changes
in Employee's job title and/or job description and add to or subtract from
Employee's duties hereunder as management shall determine so long as any such
change does not constitute a good reason as defined above.

                                       3
<PAGE>
 
 8.  Extent of Services. Employee shall devote at least 120 hours per month to
    ------------------
N&L's business.

 9.  Work Facilities. N&L will provide to Employee tools and equipment suitable
    ---------------
and necessary to his/her position and appropriate for the performance of his/her
duties (consistent with N&L's practices prior to the Effective Date) all of
which tools must be returned to N&L upon severance or termination of Employee's
employment with N&L.

10.  Non-Disclosure of Confidential Information. Except as otherwise required by
     ------------------------------------------
law, Employee shall not, at any time from and after the Effective Date and for a
period of two (2) years following termination of employment for any reason,
directly or indirectly:

     (a) disclose or reveal all or any portion of the Confidential Information
     to any Person without the prior written consent of N&L, except to Persons
     designated or employed by N&L or STI or any of their respective
     subsidiaries; or

     (b) use or exploit the Confidential Information for any purpose other than
     in connection with Employee's employment duties and obligations.

11.  Non-competition
     ---------------

     (a) Employee Acknowledgments. Employee acknowledges that N&L is engaged in
         ------------------------
     a highly competitive industry that relies heavily on its employees for its
     continued viability. Employee also acknowledges that Employee could become
     a competitor (after receiving Confidential Information and gaining the
     goodwill of N&L's customers). Employee acknowledges that, during
     employment, Employee will be personally entrusted with Confidential
     Information and that N&L will suffer great loss if Employee, directly or
     indirectly, competes with N&L after termination of employment.

     (b) Employee Covenants. Employee agrees that at all times during his/her
         ------------------
     employment with N&L and for a period of two (2) years immediately following
     the termination of Employee's employment, Employee will not:

         (i) directly or indirectly, engage or participate in any business or
         other activities that would directly compete with the business of N&L
         within the United States; or

         (ii) directly or indirectly or on behalf of or in conjunction with any
         Person, solicit any customer of N&L, or anyone who had been a customer
         of N&L within six (6) months of Employee's termination, for the purpose
         of selling or supplying in any way to any of said customers, any
         products or services similar to the products or services actually sold,
         provided, distributed, designed or developed by N&L or STI or any of
         their respective subsidiaries to or for such customers;

                                       4
<PAGE>
 
     provided, however, the foregoing shall not restrict Employee from being
     engaged or employed (i) in the construction industry generally in
     geographic areas where STI and N&L were not conducting business at the time
     of Employee's termination; or (ii) in the construction industry generally
     regardless of the geographic area of Employee's employment if such
     employment involves types of construction projects in which N&L had not
     materially participated during the six-month period immediately preceding
     such Employee's termination.

     (c) Non-Solicitation. Employee agrees that, during the term of his/her
         ----------------
     employment with N&L, or for a period of two (2) years immediately following
     the termination of Employee's employment, Employee will not, directly or
     indirectly, or on behalf of or in conjunction with any other Person,
     solicit for employment any Person employed by N&L or STI or any of their
     respective subsidiaries at any time during the twelve-month (12-month)
     period immediately preceding such solicitation of employment; provided,
     however, nothing in this Agreement shall prohibit the employment of
     employees of N&L or STI or their subsidiaries pursuant to the unsolicited
     or general employment soliciting practices (e.g., pursuant to an
     advertisement in the local newspaper) by Employee or any Person acting in
     conjunction with Employee.

     The parties recognize that irreparable injury will result to N&L, its
business and property in the event of a breach of the provisions of this
Agreement by Employee. In the event of any actual or threatened breach of the
provisions of this paragraph by Employee, N&L shall be entitled, in addition to
any other remedies and damages available, to an injunction to restrain the
violation thereof by Employee.

12.  Expenses. Employee may incur reasonable expenses in conducting and
     --------
promoting N&L's business, including expenses for travel, and similar items. N&L
will reimburse Employee for all such expenses upon Employee's presentation of an
itemized account of such expenditures and sufficient detail and evidence or
documentation of such expenditures as may be required by applicable federal and
state tax laws or regulations in order for N&L to deduct such expenditures for
income tax purposes.

13.  Vacations. Except as may be required by applicable law, Employee shall not
     ---------
be eligible for paid vacation time until after he/she completes three hundred
sixty-five (365) calendar days of continuous employment with N&L (which period
of continuous employment shall include Employee's continuous employment with N&L
prior to the date of this Agreement), at which time he/she shall be eligible for
five (5) days of paid vacation per year until Employee shall have been
continuously employed by N&L for two (2) full years. From and after two (2)
years of continuous employment and until Employee shall have been continuously
employed by N&L for seven (7) full years, Employee shall be entitled to an
additional five (5) days of paid vacation, thus having ten (10) total days of
paid vacation per year. From and after seven (7) years of continuous employment,
Employee shall be entitled to an additional five (5) days of paid

                                       5
<PAGE>
 
vacation thus having fifteen (15) total days per year of paid vacation. Vacation
time must be used during the year in which it accrues and may not be carried
over from one year to the next.

14.  Disability of Employee. In the event Employee becomes disabled during
     ----------------------
his/her employment with N&L, which disability, in the opinion of N&L, renders
Employee unable to perform the essential functions of the job for which he/she
was hired for a period of more than sixty (60) consecutive days or more than
ninety (90) cumulative days in any consecutive twelve (12) month period of N&L,
then upon request from Employee, N&L may, but shall not be required to,
investigate reasonable accommodations that may allow Employee to continue
performing his/her duties pursuant to this Agreement. If N&L elects to not
undertake such investigation or if, in N&L's sole opinion, such investigation
reveals that such reasonable accommodations can not be made or that no such
reasonable accommodations can be made without undue economic hardship to N&L,
then, unless applicable law requires otherwise, this Agreement shall terminate
immediately upon written notice of such events to Employee. Upon termination of
this Agreement under this paragraph, Employee shall be entitled to receive any
earned but unpaid salary due Employee through the date such notice is mailed to
Employee. Such amounts shall be paid in one lump sum within thirty (30) days of
the Employee's termination of employment. It is the intention of N&L to comply
with any laws or governmental regulations applicable to its relationship with
its employees. Consequently, any provisions of such applicable laws or
regulations that require N&L take actions in respect of Employee in the event of
Employee's becoming disabled during his/her employment with N&L, shall be given
effect notwithstanding the terms of this paragraph.

15.  Arbitration. Any controversy or claim arising out of or relating to this
     -----------
Agreement, shall be settled by arbitration in accordance with the then governing
rules of the American Arbitration Association for commercial matters and the
Uniform Arbitration Act, if any, then in effect in the state in which Employee
resides (with the right of discovery for all parties as provided in the Rules of
Civil Procedure applicable to actions commenced in the state courts of said
state). Judgment upon the award rendered may be entered and enforced in any
court of competent jurisdiction. The arbitrator shall apply the rules of law.

16.  Notices. Any notice required or desired to be given under this Agreement
     -------
shall be in writing sent by certified mail to Employee's last known residence as
shown in the records of Employer, or to N&L's principal office, as the case may
be and shall be deemed to have been received by the party to which it is sent on
the third day after which it was mailed, postage prepaid, return receipt
requested.

17.  Waiver of Breach. N&L's waiver of a breach of any provision of this
     ----------------
Agreement by Employee shall not operate or be construed as a waiver of any
subsequent breach by Employee. No such waiver shall be valid unless in writing
and signed by an authorized officer of N&L.

18.  Assignment. Employee acknowledges that his services are unique and
     ----------
personal. Accordingly, Employee may not assign his rights and delegate his
duties or obligations under this

                                       6
<PAGE>
 
Agreement. N&L's rights and obligations under this Agreement shall inure to the
benefit of and shall be binding upon N&L's successors and assigns.

19.  Entire Agreement. This Agreement (and the Option Agreement and the Plan to
     ----------------
the extent those documents are referred to herein) contain the entire
understanding of the parties. This Agreement may not be waived, changed,
modified, extended or discharged except by an agreement in writing signed by the
party against whom enforcement of any waiver, change, modification, extension or
discharge is sought. N&L specifically acknowledges that any present or future
employee manuals, guidelines or handbooks are for Employee's information only
and do not form a part of this Agreement unless such additional present or
future employee manuals, guidelines or handbooks are specifically incorporated
herein by reference pursuant to a written amendment to this Agreement.

20.  Headings. Headings in this Agreement are for convenience only and shall not
     --------
be used to interpret or construe its provisions.

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

22.  Governing Law. This Agreement and any actions related to this Agreement
     -------------
shall be governed by the laws of the State of New Mexico.

IN WITNESS WHEREOF, the parties have executed this Agreement the day and year
first above written.

EMPLOYEE                                NOVAK & LACKEY CONSTRUCTION
                                        CO., INC., an Oklahoma corporation
                                 
/s/ FRANK D. LACKEY                     By: /s/ JAY LACKEY
- ------------------------------------        ------------------------------------
Frank D. Lackey                                   Jay Lackey, Vice-President

                                       7
<PAGE>
 
                                 Exhibit 6.7(b)
                                 --------------

                  Form of Employment Agreement of Jay Lackey 

                                [See attached]
<PAGE>
 
                                Exhibit 6.7(c)
                                --------------

             List of Employees to be Granted Options Under STI's 
                  Amended and Restated 1994 Stock Option Plan

                                [See attached]
 

<PAGE>

                                                                    EXHIBIT 10.2
 

                             EMPLOYMENT AGREEMENT

     This EMPLOYMENT AGREEMENT (this "Agreement") dated as of May 14, 1997,
between NOVAK & LACKEY CONSTRUCTION CO., INC., an Oklahoma corporation (together
with its assigns, "N&L"), Frank D. Lackey ("Employee"), and SPECIALTY
TELECONSTRUCTORS, INC., a Nevada corporation, ("STI").

1.  Definitions.

    (a) "Confidential Information" means all information of any kind, type or
         ------------------------
    nature (written or oral) that at any time during the employment of Employee
    by N&L is devised, developed, discovered or otherwise learned of by
    Employee to the extent that such information relates to N&L or its
    corporate parent or any of its subsidiaries or its corporate parent's
    subsidiaries, or any of their respective businesses, products, processes,
    properties, assets, customers, markets, marketing strategies, management,
    employees, technology, know-how, trade secrets, financial conditions or
    prospects; provided, however, Confidential Information shall not include
    (i) information otherwise available to the public; (ii) information
    generally known in the construction industry; and (iii) information
    regarding general construction practices.

    (b) "Person" means any individual, corporation, partnership, trust,
         ------
    government or regulatory authority, or other entity.

2.  Employment. N&L shall employ Employee on terms described herein, and
    ----------
Employee accepts employment, upon the terms and conditions of this Agreement.
N&L and STI shall cause Employee to be elected as the Chairman of the Board of
Directors of N&L.

3.  Term. The term of this Agreement shall begin on May 14, 1997 (the "Effective
    ----
Date") and shall continue for a period of two (2) years, unless sooner
terminated pursuant to the provisions of Sections 4 and 14 herein.

4.  Termination. This Agreement shall terminate automatically upon the
    -----------
expiration of its term or upon the death of the Employee or under circumstances
described in Section 14 of this Agreement. In addition, this Agreement may be
terminated by N&L or the Employee under the following circumstances:

    4.1  By N&L.
          ------

         (a) Termination for Cause. N&L may terminate this Agreement at any time
             ---------------------
         prior to the expiration of its terms for cause. For purposes of this
         Section 4.1(a), "cause" shall mean: (i) Employee's conviction for any
         felony or crime of moral turpitude; (ii) Employee breach of any
         provision of Sections 10 and 11 of this Agreement; (iii) Employee's
         material breach of any provision of this Agreement other than Sections
         10 and 11; (iv) the repeated and continuous failure or refusal
<PAGE>
 
         of Employee to perform his duties in a manner which is reasonably
         acceptable to N&L after being notified by N&L of such failure and such
         failure is not cured within 60 days; or (v) intentional neglect of
         duty. The Employee's termination shall not be considered to be for
         cause unless (i) reasonable notice shall have been provided to the
         Employee of the proposed termination together with the reasons for the
         termination specifying the conduct and clauses above serving as the
         basis therefor; and (ii) the Employee, together with his counsel, shall
         have been afforded an opportunity to be heard before the Board of
         Directors of N&L.

         (b) Termination Without Cause. N&L may, in its sole discretion, without
             -------------------------
         any cause whatsoever, terminate Employee's employment by providing him
         or her with 30 days' prior written notice and, at its election, may
         relieve Employee of his or her duties and responsibilities at any time
         thereafter. In the event of termination without cause, Employee shall
         be entitled to receive earned but unpaid salary due Employee at the
         time of his/her termination and to receive his/her base salary which
         would become due under the remaining term of this Agreement if the
         Employee had not been terminated. Such amounts shall be paid in one
         lump sum within thirty (30) days of the Employee's termination of
         employment.

4.2  By Employee.
     ------------

         (a) Termination for Good Reason. Employee may terminate this Agreement
             ---------------------------
         at any time prior to the expiration of its term for good reason. For
         purposes of this Agreement, good reason shall mean, without Employee's
         prior written consent (i) any reduction in the Employee's base salary
         as in effect as of the Effective Date or as may be increased
         thereafter; (ii) termination of Employee from the office of Chairman of
         the Board of Directors of N&L; (iii) requiring Employee to travel or
         otherwise be away from home for periods materially exceeding those
         required of Employee during the six months immediately preceding the
         Effective Date; (iv) requiring the Employee to relocate from his home
         as of the Effective Date; or (v) any other material breach of this
         Agreement by N&L. In the event of termination for good reason, Employee
         shall be entitled to receive earned but unpaid salary due Employee at
         the time of his/her termination and to receive his/her base salary
         which would become due under the remaining term of this Agreement if
         the Employee had not been terminated. Such amounts shall be paid in one
         lump sum within thirty (30) days of the Employee's termination of
         employment. The Employee's termination shall not be considered to be
         for good reason unless reasonable notice shall have been provided to
         the President of STI of the proposed termination together with the
         reasons for the termination specifying the conduct and clauses above
         serving as the basis therefor.

                                       2
<PAGE>
 
          (b)  Termination Without Cause. Employee may terminate this Agreement
               ------------------------
          without cause upon 30 days' written notice to N&L. Upon receipt of
          such notice, N&L may elect to terminate his or her employment at any
          time thereafter prior to the Employee's designated last day of
          employment, and provide him or her with pay until such designated last
          day in lieu of notice.

     4.3  By Death. If this Agreement is terminated by the death of Employee,
          --------
     Employee's estate shall be entitled to receive earned but unpaid salary due
     Employee at the time of his death. Such amounts shall be paid in one lump
     sum within thirty (30) days of the Employee's death.

5.   Compensation.
     -------------

     (a) Salary. N&L shall pay Employee for all services rendered to or on
         ------
     behalf of N&L a salary of $50,000 per year, payable in equal semi-monthly
     installments. Federal and state income tax withholding, social security
     contributions and any other taxes, deductions or assessments required by
     applicable law to be withheld from Employee's salary will be withheld from
     salary payments. Salary increases, if any, are at the sole discretion of
     N&L.

6.   Employee Benefits. Employee shall be entitled to participate on the same
     -----------------
basis as other employees of N&L in all sick pay, fringe benefit or deferred
compensation plans (other than stock option plans) as may be authorized and
adopted from time to time by N&L for its employees generally, subject to any
applicable limitations of the service/plan provider, plan documents and/or
government rules and regulations. In addition, Employee shall be entitled to
participate on the same basis as other employees of N&L and STI or any of its
subsidiaries in all sick pay, fringe benefit or deferred compensation plans
(other than stock option plans) as may be authorized and adopted from time to
time by STI or any of its subsidiaries for the benefit of or participation of
all employees of STI and its subsidiaries (other than N&L), subject to any
applicable limitations of the service/plan provider, plan documents and/or
government rules and regulations. Employee shall also be eligible to participate
in any incentive, fringe benefit, deferred compensation or equity plans (other
than stock option plans) made available to key employees of STI or its
subsidiaries who are in comparable positions as Employee on the same basis as
such comparable employees. For purposes of determining Employee's eligibility or
vesting under any of STI's plans, Employee shall be credited for his/her years
of service with N&L.

7.   Duties. Employee shall serve as the Chairman of the Board of Directors for
     ------
N&L and his duties shall include all duties incident to the management of said
position, unless otherwise directed by N&L's Board of Directors. N&L's Board of
Directors may, at any time and from time to time, make such reasonable changes
in Employee's job title and/or job description and add to or subtract from
Employee's duties hereunder as management shall determine so long as any such
change does not constitute a good reason as defined above.

                                       3
<PAGE>
 
 8.  Extent of Services. Employee shall devote at least 120 hours per month to
    ------------------
N&L's business.

 9.  Work Facilities. N&L will provide to Employee tools and equipment suitable
    ---------------
and necessary to his/her position and appropriate for the performance of his/her
duties (consistent with N&L's practices prior to the Effective Date) all of
which tools must be returned to N&L upon severance or termination of Employee's
employment with N&L.

10.  Non-Disclosure of Confidential Information. Except as otherwise required by
     ------------------------------------------
law, Employee shall not, at any time from and after the Effective Date and for a
period of two (2) years following termination of employment for any reason,
directly or indirectly:

     (a) disclose or reveal all or any portion of the Confidential Information
     to any Person without the prior written consent of N&L, except to Persons
     designated or employed by N&L or STI or any of their respective
     subsidiaries; or

     (b) use or exploit the Confidential Information for any purpose other than
     in connection with Employee's employment duties and obligations.

11.  Non-competition
     ---------------

     (a) Employee Acknowledgments. Employee acknowledges that N&L is engaged in
         ------------------------
     a highly competitive industry that relies heavily on its employees for its
     continued viability. Employee also acknowledges that Employee could become
     a competitor (after receiving Confidential Information and gaining the
     goodwill of N&L's customers). Employee acknowledges that, during
     employment, Employee will be personally entrusted with Confidential
     Information and that N&L will suffer great loss if Employee, directly or
     indirectly, competes with N&L after termination of employment.

     (b) Employee Covenants. Employee agrees that at all times during his/her
         ------------------
     employment with N&L and for a period of two (2) years immediately following
     the termination of Employee's employment, Employee will not:

         (i) directly or indirectly, engage or participate in any business or
         other activities that would directly compete with the business of N&L
         within the United States; or

         (ii) directly or indirectly or on behalf of or in conjunction with any
         Person, solicit any customer of N&L, or anyone who had been a customer
         of N&L within six (6) months of Employee's termination, for the purpose
         of selling or supplying in any way to any of said customers, any
         products or services similar to the products or services actually sold,
         provided, distributed, designed or developed by N&L or STI or any of
         their respective subsidiaries to or for such customers;

                                       4
<PAGE>
 
     provided, however, the foregoing shall not restrict Employee from being
     engaged or employed (i) in the construction industry generally in
     geographic areas where STI and N&L were not conducting business at the time
     of Employee's termination; or (ii) in the construction industry generally
     regardless of the geographic area of Employee's employment if such
     employment involves types of construction projects in which N&L had not
     materially participated during the six-month period immediately preceding
     such Employee's termination.

     (c) Non-Solicitation. Employee agrees that, during the term of his/her
         ----------------
     employment with N&L, or for a period of two (2) years immediately following
     the termination of Employee's employment, Employee will not, directly or
     indirectly, or on behalf of or in conjunction with any other Person,
     solicit for employment any Person employed by N&L or STI or any of their
     respective subsidiaries at any time during the twelve-month (12-month)
     period immediately preceding such solicitation of employment; provided,
     however, nothing in this Agreement shall prohibit the employment of
     employees of N&L or STI or their subsidiaries pursuant to the unsolicited
     or general employment soliciting practices (e.g., pursuant to an
     advertisement in the local newspaper) by Employee or any Person acting in
     conjunction with Employee.

     The parties recognize that irreparable injury will result to N&L, its
business and property in the event of a breach of the provisions of this
Agreement by Employee. In the event of any actual or threatened breach of the
provisions of this paragraph by Employee, N&L shall be entitled, in addition to
any other remedies and damages available, to an injunction to restrain the
violation thereof by Employee.

12.  Expenses. Employee may incur reasonable expenses in conducting and
     --------
promoting N&L's business, including expenses for travel, and similar items. N&L
will reimburse Employee for all such expenses upon Employee's presentation of an
itemized account of such expenditures and sufficient detail and evidence or
documentation of such expenditures as may be required by applicable federal and
state tax laws or regulations in order for N&L to deduct such expenditures for
income tax purposes.

13.  Vacations. Except as may be required by applicable law, Employee shall not
     ---------
be eligible for paid vacation time until after he/she completes three hundred
sixty-five (365) calendar days of continuous employment with N&L (which period
of continuous employment shall include Employee's continuous employment with N&L
prior to the date of this Agreement), at which time he/she shall be eligible for
five (5) days of paid vacation per year until Employee shall have been
continuously employed by N&L for two (2) full years. From and after two (2)
years of continuous employment and until Employee shall have been continuously
employed by N&L for seven (7) full years, Employee shall be entitled to an
additional five (5) days of paid vacation, thus having ten (10) total days of
paid vacation per year. From and after seven (7) years of continuous employment,
Employee shall be entitled to an additional five (5) days of paid

                                       5
<PAGE>
 
vacation thus having fifteen (15) total days per year of paid vacation. Vacation
time must be used during the year in which it accrues and may not be carried
over from one year to the next.

14.  Disability of Employee. In the event Employee becomes disabled during
     ----------------------
his/her employment with N&L, which disability, in the opinion of N&L, renders
Employee unable to perform the essential functions of the job for which he/she
was hired for a period of more than sixty (60) consecutive days or more than
ninety (90) cumulative days in any consecutive twelve (12) month period of N&L,
then upon request from Employee, N&L may, but shall not be required to,
investigate reasonable accommodations that may allow Employee to continue
performing his/her duties pursuant to this Agreement. If N&L elects to not
undertake such investigation or if, in N&L's sole opinion, such investigation
reveals that such reasonable accommodations can not be made or that no such
reasonable accommodations can be made without undue economic hardship to N&L,
then, unless applicable law requires otherwise, this Agreement shall terminate
immediately upon written notice of such events to Employee. Upon termination of
this Agreement under this paragraph, Employee shall be entitled to receive any
earned but unpaid salary due Employee through the date such notice is mailed to
Employee. Such amounts shall be paid in one lump sum within thirty (30) days of
the Employee's termination of employment. It is the intention of N&L to comply
with any laws or governmental regulations applicable to its relationship with
its employees. Consequently, any provisions of such applicable laws or
regulations that require N&L take actions in respect of Employee in the event of
Employee's becoming disabled during his/her employment with N&L, shall be given
effect notwithstanding the terms of this paragraph.

15.  Arbitration. Any controversy or claim arising out of or relating to this
     -----------
Agreement, shall be settled by arbitration in accordance with the then governing
rules of the American Arbitration Association for commercial matters and the
Uniform Arbitration Act, if any, then in effect in the state in which Employee
resides (with the right of discovery for all parties as provided in the Rules of
Civil Procedure applicable to actions commenced in the state courts of said
state). Judgment upon the award rendered may be entered and enforced in any
court of competent jurisdiction. The arbitrator shall apply the rules of law.

16.  Notices. Any notice required or desired to be given under this Agreement
     -------
shall be in writing sent by certified mail to Employee's last known residence as
shown in the records of Employer, or to N&L's principal office, as the case may
be and shall be deemed to have been received by the party to which it is sent on
the third day after which it was mailed, postage prepaid, return receipt
requested.

17.  Waiver of Breach. N&L's waiver of a breach of any provision of this
     ----------------
Agreement by Employee shall not operate or be construed as a waiver of any
subsequent breach by Employee. No such waiver shall be valid unless in writing
and signed by an authorized officer of N&L.

18.  Assignment. Employee acknowledges that his services are unique and
     ----------
personal. Accordingly, Employee may not assign his rights and delegate his
duties or obligations under this

                                       6
<PAGE>
 
Agreement. N&L's rights and obligations under this Agreement shall inure to the
benefit of and shall be binding upon N&L's successors and assigns.

19.  Entire Agreement. This Agreement (and the Option Agreement and the Plan to
     ----------------
the extent those documents are referred to herein) contain the entire
understanding of the parties. This Agreement may not be waived, changed,
modified, extended or discharged except by an agreement in writing signed by the
party against whom enforcement of any waiver, change, modification, extension or
discharge is sought. N&L specifically acknowledges that any present or future
employee manuals, guidelines or handbooks are for Employee's information only
and do not form a part of this Agreement unless such additional present or
future employee manuals, guidelines or handbooks are specifically incorporated
herein by reference pursuant to a written amendment to this Agreement.

20.  Headings. Headings in this Agreement are for convenience only and shall not
     --------
be used to interpret or construe its provisions.

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

22.  Governing Law. This Agreement and any actions related to this Agreement
     -------------
shall be governed by the laws of the State of New Mexico.

IN WITNESS WHEREOF, the parties have executed this Agreement the day and year
first above written.

EMPLOYEE                                NOVAK & LACKEY CONSTRUCTION
                                        CO., INC., an Oklahoma corporation
                                 
/s/ FRANK D. LACKEY                     By: /s/ JAY LACKEY
- ------------------------------------        ------------------------------------
Frank D. Lackey                                   Jay Lackey, Vice-President

                                       7

<TABLE> <S> <C>

<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS OF SPECIALTY TELECONSTRUCTORS, INC.
AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
       
<S>                             <C>                     <C>
<PERIOD-TYPE>                   9-MOS                   3-MOS
<FISCAL-YEAR-END>                          JUN-30-1997             JUN-30-1997
<PERIOD-END>                               MAR-31-1997             MAR-31-1997
<CASH>                                       5,430,424               5,430,424
<SECURITIES>                                         0                       0
<RECEIVABLES>                                8,563,416               8,563,416
<ALLOWANCES>                                         0                       0
<INVENTORY>                                          0                       0
<CURRENT-ASSETS>                            15,832,962              15,832,962
<PP&E>                                       6,900,296               6,900,296
<DEPRECIATION>                               1,907,520               1,907,520
<TOTAL-ASSETS>                              21,506,212              21,506,212
<CURRENT-LIABILITIES>                        7,500,360               7,500,360
<BONDS>                                              0                       0
                                0                       0
                                          0                       0
<COMMON>                                        51,307                  51,307
<OTHER-SE>                                  12,656,996<F1>              12,656,996<F1>
<TOTAL-LIABILITY-AND-EQUITY>                21,506,212              21,506,212
<SALES>                                     32,620,262              10,338,648
<TOTAL-REVENUES>                            32,741,051              10,380,694
<CGS>                                       28,180,489               9,121,766
<TOTAL-COSTS>                               30,693,073               9,913,365
<OTHER-EXPENSES>                                     0                       0
<LOSS-PROVISION>                                     0                       0
<INTEREST-EXPENSE>                             103,073                  45,975
<INCOME-PRETAX>                              1,944,905                 421,354
<INCOME-TAX>                                   730,175                 165,894
<INCOME-CONTINUING>                          1,214,730                 255,460
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                                 1,214,730                 255,460
<EPS-PRIMARY>                                      .25                     .05
<EPS-DILUTED>                                      .25                     .05
<FN>
<F1>Other Equity of $12,656,996 is comprised of Additional paid-in Capital of
$7,785,402 and Retained Earnings of $4,871,594.
</FN>
        

</TABLE>

<PAGE>

                                                                    EXHIBIT 99.1







                     NOVAK & LACKEY CONSTRUCTION CO., INC.
                     - - - - - - - - - - - - - - - - - - -
                             FINANCIAL STATEMENTS
                                     with
                         INDEPENDENT AUDITOR'S REPORT
                          - - - - - - - - - - - - - -   
                       FOR THE YEAR ENDED JUNE 30, 1996
<PAGE>
 
                   NOVACK AND LACKEY CONSTRUCTION CO., INC.
                   ----------------------------------------




                                   CONTENTS
                                   --------



                                                                 Pages
                                                                 -----

Independent Auditor's Reporst                                      1

Financial Statements:                  

   Balance Sheet                                                   2
   Statement of Earnings                                           3
   Statement of Changes in Stockholders' Equity                    4
   Statement of Cash Flows                                         5
   Notes to Financial Statements                                  6-10


<PAGE>
 
                               BILL MITTS, INC.
                               ----------------
                         CERTIFIED PUBLIC ACCOUNTANT
                         ----------------------------







                         INDEPENDENT AUDITOR'S REPORT
                         - - - - - - - - - - - - - - -


To the Board of Directors

     Novak & Lackey Construction Co., Inc.

           I have audited the accompanying balance sheet of

                     NOVAK & LACKEY CONSTRUCTION CO., INC.

as of June 30, 1996 and the related statements of earnings, changes in 
stockholders' equity, and cash flows for the year then ended.  These financial 
statements are the responsibility of the Company's management.  My 
responsibility is to express an opinion on these financial statements based on 
my audit.

           I conducted my audit in accordance with generally accepted auditing 
standards.  Such standards require that I plan and perform the audit to obtain 
reasonable assurance about whether the financial statements are free of material
misstatement.  An audit includes examining, on a test basis, evidence supporting
the amounts and disclosures in the financial statements.  An audit also includes
assessing the accounting principles used and significant estimates made by 
management, as well as evaluating the overall financial statement presentation. 
I believe that my audit provides a reasonable basis for my opinion.

           In my opinion, the financial statements referred to above, present 
fairly, in all material respects, the financial position of NOVAK & LACKEY 
CONSTRUCTION CO., INC. as of June 30, 1996, and the results of its operations
and its cash flows for the year then ended in conformity with generally accepted
accounting principles.


                                                   /s/ Bill Mitts, Inc.



Oklahoma City, Oklahoma
May 8, 1997
<PAGE>
 
                     NOVAK & LACKEY CONSTRUCTION CO., INC.

                                 BALANCE SHEET
                                 -------------
                                 JUNE 30, 1996

                                    ASSETS
                                    ------
<TABLE> 
<CAPTION> 
<S>                                                        <C> 
Current assets:
  Cash and cash equivalents                                $  462,922
  Contract receivables (Note 2)                               409,520
  Costs and estimated earnings in excess of 
     billings on uncompleted contracts (Note 3)                79,009
  Prepaid expenses                                             32,288
                                                           ----------
          Total current assets                                983,739

Property and equipment, at cost less
  accumulated depreciation of $347,242 (Note 4)               316,432

Investment in marketable securities (Note 5)                  318,196

Cash value of life insurance (Note 6)                          44,720
                                                           ----------
          Total assets                                     $1,663,087
                                                           ==========
<CAPTION> 
                                  LIABILITIES
                                  -----------
<S>                                                        <C> 
Current liabilities:
  Trade accounts payable                                   $      155
  Billings in excess of costs and estimated
     earnings on uncompleted contracts (Note 3)                 6,116
  Accrued expenses                                             61,460
  Current income taxes (Note 8)                               110,432
  Deferred income taxes (Note 8)                              111,230
                                                           ----------
          Total current liabilities                           289,393

Deferred income taxes (Note 8)                                  5,720 

Commitments and contingencies (Note 7 and 9)                      -0-
                                                           ----------
          Total liabilities                                   295,113
                                                           ----------
<CAPTION> 
                             STOCKHOLDERS' EQUITY
                             --------------------
<S>                                                        <C> 
Common stock, $1 par value, 10,000,                        
  shares authorized, 2,500 shares issued                        2,500
Retained earnings                                           1,336,373
Unrealized gains on securities (Note 5)                        29,101
                                                           ----------
          Total stockholders' equity                        1,367,974
                                                           ----------
          Total liabilities
           and stockholders' equity                        $1,663,087
                                                           ==========

</TABLE> 
  The accompanying notes are an integral part of these financial statements.

                                      -2-
<PAGE>
 
                     NOVAK & LACKEY CONSTRUCTION CO., INC.

                             STATEMENT OF EARNINGS
                            - - - - - - - - - - - - 
                       FOR THE YEAR ENDED JUNE 30, 1996

<TABLE> 
<S>                                                         <C> 
Contract revenues earned                                    $ 6,270,979 

Costs of earned revenue                                       5,301,424
                                                              ---------

           Gross Profit                                         969,555

Selling, general and administrative expenses                    776,171
                                                              ---------

           Earnings from operations                             193,384
                                                              ---------
Other income (deductions):
  Interest and dividend income                                   53,653
  Interest expense                                                 (240)
  Other, net                                                      8,650
                                                              ---------
                                                                 62,063
                                                              ---------
           
           Earnings before income taxes                         255,447

Provision for income taxes (Note 8):
           Current                                              161,339
           Deferred                                             (68,908)
                                                              ---------  
                                                                 92,431
                                                              ---------

           Net earnings                                         163,016

Retained earnings at beginning of year                        1,173,357
                                                              ---------

Retained earnings at end of year                            $ 1,336,373
                                                            ===========
</TABLE> 


  The accompanying notes are an integral part of these financial statements.

                                      -3-
<PAGE>
 
                     NOVAK & LACKEY CONSTRUCTION CO., INC.

                 STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY
                - - - - - - - - - - - - - - - - - - - - - - - 
                       FOR THE YEAR ENDED JUNE 30, 1996


<TABLE> 
<CAPTION> 
                        Common Stock     Unrealized
                        ------------     Gains on       Retained
                        Shares   Amount  Securities     Earnings     Total
                        ------   ------  ----------     --------     -----
<S>                     <C>    <C>      <C>         <C>           <C> 
Balance as of
 June 30, 1995          2,500  $ 2,500  $  9,943    $ 1,173,357   $ 1,185,800


Unrealized increases
 in market value of 
 available-for-sale
 securities, net of
 tax effect (Note 5)      -0-      -0-    19,158            -0-        19,158
                            
Net earnings              -0-      -0-       -0-        163,016       163,016
                     --------   ------   -------     ----------     ---------

Balances as of 
 June 30, 1996          2,500  $ 2,500  $ 29,101    $ 1,336,373   $ 1,367,974
                     ========   ======   =======     ==========     =========
</TABLE> 









 The accompanying notes are an integral part of these financial statements.

                                     -4-  
 
                       


<PAGE>
 
                     NOVAK & LACKEY CONSTRUCTION CO., INC.

                            STATEMENT OF CASH FLOWS
                            -----------------------
                       FOR THE YEAR ENDED JUNE 30, 1996

<TABLE> 

INCREASE (DECREASE) IN CASH:
- ---------------------------
<S>                                                              <C> 
Cash flows from operating activities:
        Net earnings                                             $    163,016
        Adjustments to reconcile net income
        to net cash provided by operations:
           Depreciation of property and equipment                      65,820
           Gain on sale of assets                                     (15,505)
           Deferred income taxes                                      (68,908)
           Change in certain assets and liabilities:
             Contract receivables                                     406,360
             Costs and estimated earnings in excess
               of billings on uncompleted contracts                    94,138
             Other current assets                                     (15,289)
             Trade accounts payable                                    (1,468)
             Billings in excess of costs and estimated
               earnings on uncompleted contracts                      (49,204)
             Accrued expenses                                         (20,444)
             Current income taxes                                     109,462
                                                                  -----------
                 Net cash provided by operations                      667,978
                                                                  -----------

Cash flows from investing activities:
  Proceeds from sale of assets                                         22,050
  Purchase of equipment                                               (87,160)
  Land & building under construction                                 (117,631)
  Increase in other assets                                             (4,082)
                                                                  -----------
                 Net cash used in investing activities               (186,823)
                                                                  -----------
Cash flows from financing activities:
  Proceeds of long-term borrowing                                         -0-
  Principal payment on bank loan                                      (12,557)
                                                                  -----------
                 Net cash used in financing activities                (12,557)
                                                                  -----------
Net increase in cash and cash equivalents                             468,598

Cash and cash equivalents at beginning of year                         (5,676)
                                                                  -----------

Cash and cash equivalents at end of year                         $    462,922
                                                                 ============
SUPPLEMENTAL DISCLOSURES OF CASH INFORMATION:
- ---------------------------------------------

Cash paid during period for:
                 Interest expense                                         240
                 Income taxes                                          53,407

Unrealized gain on marketable securities, net of income tax            29,101
</TABLE> 

The accompanying notes are an integral part of these financial statements.

                                      -5-
<PAGE>
 
                     NOVAK & LACKEY CONSTRUCTION CO., INC.

                         NOTES TO FINANCIAL STATEMENTS
                        - - - - - - - - - - - - - - - -
                       FOR THE YEAR ENDED JUNE 30, 1996

1) Summary of significant accounting policies
   ------------------------------------------

   (a) Description of business
       -----------------------
           Business - The Company is engaged in the general construction
       contracting in Oklahoma, Missouri, Arkansas and California, deriving the
       majority of its revenues from cost-plus contracts with cellular
       communications providers for construction and relocation of wireless
       communications facilities. The duration of those contracts varies but
       typically does not extend beyond one year.
          
   (b) Use of Estimates
       ----------------
           Use of estimates and assumptions - The preparation of financial
       statements in conformity with generally accepted accounting principles
       requires management to make estimates and assumptions that affect the
       reported amounts of assets and liabilities, the disclosure of contingent
       assets and liabilities at the date of the financial statements, and the
       reported amounts of revenues and expenses during the reporting period.
       Actual results could differ from those estimates.

   (c) Contract Revenue and Cost Recognition
       --------------------------------------
           Profit and cost recognition - Revenues from construction contracts
       are recognized on the percentage of completion method measured by the
       costs incurred during the period to the total estimated costs of the
       contract, commencing when progress reaches a point where experience is
       sufficient to estimate final results with reasonable accuracy. When it
       becomes apparent that estimated contract costs will exceed the contract
       price, the total estimated contract loss is accrued.
           Contract costs include all subcontract costs, the cost of direct
       materials and labor and those indirect costs related to contract
       performance, such as indirect labor, supplies, tools, repairs, and
       equipment costs. Selling, general and administrative costs are expensed
       in the period incurred.

   (d) Statement of Cash Flow
       ----------------------
           Cash equivalents - For purposes of the statement of cash flows, the
       Company considers all investments in highly liquid financial instruments
       maturing within 90 days of acquisition to be cash equivalents.
       

   (e) Bad debts
       ---------
           Allowance for bad debts - An allowance is provided for specific
       accounts identified by management as being doubtful of collection.
       Management performs ongoing credit evaluations and generally requires no
       collateral. As of June 30, 1996, no provision for uncollectable accounts
       was provided.

                                      -6-

<PAGE>
 
                     NOVAK & LACKEY CONSTRUCTION CO., INC.

                         NOTES TO FINANCIAL STATEMENTS
                       - - - - - - - - - - - - - - - - -
                       FOR THE YEAR ENDED JUNE 30, 1996

1) Summary of significant accounting policies (continued)
   ------------------------------------------
   (f) Property and equipment
       ----------------------
           Property and equipment - Property and equipment are stated at cost
       and include the cost of major repairs that extend the assets' lives. In
       these financial statements, the straight-line method is used to compute
       depreciation over the following estimated useful lives:
<TABLE> 
          <S>                                            <C>  
           Buildings and improvements                      15-30 years
           Transportation equipment                          3-5 years
           Office furniture and equipment                   5-10 years
           Construction equipment                           5-10 years
</TABLE> 

   (g) Investments in Marketable Securities
       ------------------------------------
           Marketable securities - Noncurrent investments in available-for-sale
       securities are carried at fair value as required by Financial Accounting
       Standards Board Statement No. 115. The fair values for marketable debt
       and equity securities are based on quoted market prices.


   (h) Financial Instruments 
       ---------------------
           Financial accounting Standards Board Statement No. 7 requires that
       the fair value of financial instruments be disclosed. In addition to
       marketable debt and equity securities carried at quoted market prices,
       the Company's financial instruments are accounts receivable, accounts
       payable, and variable rate debt. The carrying amounts of accounts
       receivable, accounts payable and variable rate debt because of their
       nature, approximate fair value.

   (i) Income Taxes
       ------------
           The Company uses the asset and liability method to account for income
       taxes. Deferred tax assets and liabilities are recognized for the future
       tax consequences attributable to differences between the financial
       statement carrying amounts of existing assets and liabilities and their
       respective tax bases and operating loss and tax credit carryovers.
       Deferred tax assets and liabilities are measured using enacted tax rates
       expected to apply to taxable income in the years in which those temporary
       differences are expected to be recovered or settled. The effect on
       deferred tax assets and liabilities of a change in tax rates is
       recognized in income in the period that includes the enactment date.

   (j) Change in Fiscal Year
       ---------------------
           These financial statements are for the fiscal year ended June 30,
       1996; for prior years the Company's fiscal year has ended October 31st;
       accordingly, the accounts have been restated from amounts previously
       reported to reflect this change in reporting period.


                                      -7-
<PAGE>
 

                     NOVAK & LACKEY CONSTRUCTION CO., INC.

                         NOTES TO FINANCIAL STATEMENTS
                        - - - - - - - - - - - - - - - -
                       FOR THE YEAR ENDED JUNE 30, 1996
<TABLE> 
<CAPTION> 
2)  Receivables
    -----------
         At June 30, 1996, receivables consisted of amounts due on contracts as
    follows:
    <S>                                                         <C> 
     Completed contracts, including retentions                  $     15,525
     Progress billings on contracts in progress                      361,902
     Retentions due on contracts in progress                          32,093
                                                                     -------
         Total receivables                                      $    409,520
                                                                ============
<CAPTION> 
3)  Costs and estimated earnings on uncompleted contracts
    -----------------------------------------------------
         Information with respect to contracts in progress at June 30, 1996
    follows:
    <S>                                                         <C> 
        Costs incurred on uncompleted contracts                 $  1,043,065
        Estimated earnings                                           169,650
                                                                   ---------
                                                                   1,212,715
        Less billings to date                                      1,139,822
                                                                   ---------
                                                                $     72,893
        Included in the accompanying balance                    ============
           sheet under the following captions:
        Costs and estimated earnings in excess
           of billings on uncompleted contracts                 $     79,009
        Billings in excess of costs and estimated                      
           earnings on uncompleted contracts                          (6,116) 
                                                                     -------
                                                                $     72,893
                                                                ============
<CAPTION> 
4)  Property and equipment
    ----------------------                                          
         Property and equipment consist of the following at June 30, 1996:
    <S>                                                         <C> 
    Land                                                        $    120,631
    Buildings and improvements                                        25,978
    Building under construction                                       17,001
    Office furniture and equipment                                   107,550
    Construction equipment                                            82,758
    Transportation equipment                                         309,756
                                                                     -------
         Total costs                                                 663,674
    Accumulated depreciation                                        (347,242)
                                                                     -------
         Property and equipment, net                            $    316,432
                                                                ============

</TABLE> 
    Depreciation expense on property and equipment was $65,820.


                                      -8-






<PAGE>
 
                     NOVAK & LACKEY CONSTRUCTION CO., INC.

                         NOTES TO FINANCIAL STATEMENTS
                        - - - - - - - - - - - - - - - - 
                       FOR THE YEAR ENDED JUNE 30, 1996


5)  Investment in marketable securities
    ------------------------------------
          Noncurrent marketable securities consisted of the following:

<TABLE> 
<CAPTION> 

                                                            June 30, 1996
                                               Current      -------------
                                               Yield                   Fair
            Type                               Rate        Cost        Value
            ----                               ----        ----        -----
    <S>                                        <C>         <C>        <C>  
    Tax exempt municipal bonds                 6.35%       $283,374    318,196
                                                           --------    -------
          Totals                                           $283,374   $318,196
                                                           ========   ========
</TABLE> 

         The company's investments are classified as available-for-sale under
    the provisions of SFAS No. 115 "Accounting for Certain Investments in Debt
    and Equity Securities," and accordingly, any unrealized gains and losses,
    net of income taxes, are excluded from income and recognized as a separate
    component of stockholder's equity until realized.

6)  Cash value of life insurance
    ----------------------------
         The company owns a universal life policy on Frank D. Lackey, with a
    face value of $100,000. During the year ended June 30, 1996, the company
    paid a premium of $1,877 on this policy.

7)  Related-party transactions
    --------------------------
         The company leased an automobile from an employee/stockholder under a
    noncancelable operating lease. Selling expenses include $6,000 paid the
    stockholder during the year ended June 30, 1996, under this agreement.
    Management expects that upon expiration of this lease, it will be renewed or
    similar property will be leased from unrelated sources on similar terms.

8)  Income Taxes
    ------------
         Income tax expense differed from the amounts computed by applying the
    U.S. Federal income tax rate of 34% to pretax income from continuing
    operations as follows:

<TABLE> 
<CAPTION> 
    <S>                                                <C>         <C> 
    Expected Federal tax,
     at statutory rates                                $ 86,862     34.0%
    State income tax, net
     of federal tax benefit                              10,622      4.2
    Nontaxable income                                    (9,474)    (3.7)
    Other                                                 4,421      1.7
                                                         ------     ----
            Actual income tax                          $ 92,431     36.2%
                                                       ========     ====
</TABLE> 


                                      -9-
<PAGE>
 

                     NOVAK & LACKEY CONSTRUCTION CO., INC.

                         NOTES TO FINANCIAL STATEMENTS
                        - - - - - - - - - - - - - - - - 
                       FOR THE YEAR ENDED JUNE 30, 1996


8)  Income Taxes continued
    ------------
         The change in the deferred income tax liability each year represents
    the effects of changes in the amounts of differences between the financial
    statement carrying amounts and the tax bases of existing assets and
    liabilities. The types of such differences that give rise to significant
    portions of the deferred tax liability at June 30, 1996 are presented
    below:

<TABLE> 
<CAPTION> 
     <S>                                                      <C> 
     Adjustment for conversion from percentage
      of completion basis to completed
      contract basis for tax reporting                        $  90,440
     Accelerated depreciation for tax
      reporting purposes in excess of
      financial statement amounts                                14,360
     Unrealized gains on marketable securities,
      net of unused capital loss carryover                        5,720
     Other                                                        6,430
                                                                -------
           Total deferred income tax liability                $ 116,950
                                                              =========
           Current deferred income tax liability              $ 111,230
                                                              =========
           Long-term deferred income tax liability            $   5,720
                                                              =========
</TABLE> 

9)  Major Customers
    ---------------
         During the fiscal year ended June 30, 1996, one customer represented 
    approximately 95% of the Company's contract revenues earned, AT&T Wireless 
    Services, Inc. (formerly Cellular One).



                                     -10-

<PAGE>
 
                                                                    EXHIBIT 99.2


                     NOVAK & LACKEY CONSTRUCTION CO., INC.
                     -------------------------------------
                       COMPARATIVE FINANCIAL STATEMENTS
                                     with
                        INDEPENDENT ACCOUNTANT'S REPORT
                        ------------------------------
                         FOR THE THREE AND NINE MONTHS
                         ENDED MARCH 31, 1997 AND 1996

<PAGE>
 
                     NOVAK & LACKEY CONSTRUCTION CO., INC.
                     -------------------------------------

                                   CONTENTS
                                   --------

                                                                           Pages
                                                                           -----

Accountant's Compilation Report                                              1

Financial Statements:

   Comparative Balance Sheets                                                2
   Comparative Statements of
     Earnings and Retained Earnings                                          3
   Comparative Statements of Cash Flows                                      4

Additional Information:

   Comparative Selling, General
     and Administrative Expenses                                             5

<PAGE>

 
                 [LETTERHEAD OF BILL MITTS, INC. APPEARS HERE]



                        ACCOUNTANT'S COMPILATION REPORT
                        -------------------------------



   To the Board of Directors

      Novak & Lackey Construction Co., Inc.

        I have compiled the accompanying comparative balance sheets of

                     NOVAK & LACKEY CONSTRUCTION CO., INC.


as of March 31, 1997 and 1996, and the related comparative statements of
earnings and retained earnings for the three months and nine months ended March
31, 1997 and 1996, and additional information (page 5) which is presented for
purposes of further analysis, in accordance with Statements on Standards for
Accounting and Review Services issued by the American Institute of Certified
Accountants.

     A compilation is presented in the form of financial statements information
that is the representation of the management. I have not audited or reviewed the
accompanying financial statements and additional information and, accordingly,
do not express an opinion or any other form of assurance on them.

     Management has elected to omit substantially all of the disclosures
required by generally accepted accounting principles. If the omitted disclosures
were included in the financial statements, they might influence the user's
conclusions about the Company's financial position, results of operations and
cash flows. Accordingly, these financial statements are not designed for those
who are not informed about such matters.



                                        /s/ Bill Mitts, Inc.
                                        --------------------- 
                                        BILL MITTS, INC., CPA




Oklahoma City, OK
May 15, 1997


<PAGE>
 
                     NOVAK & LACKEY CONSTRUCTION CO., INC.

                          COMPARATIVE BALANCE SHEETS
                          --------------------------

                            MARCH 31, 1997 and 1996

                                    ASSETS
                                    ------

<TABLE> 
<CAPTION> 
                                                      1997            1996
                                                      ----            ----
<S>                                             <C>             <C> 
Current assets:
   Cash and cash equivalents                    $  438,893      $  174,975
   Contract receivables                          1,127,938         690,466
   Costs and estimated earnings in excess of
      billings on uncompleted contracts            165,443         151,693
   Prepaid expenses                                 42,229          44,360
                                                ----------      ----------
        Total current assets                     1,774,503       1,061,494
Property and equipment, at cost less
   accumulated depreciation                        916,775         191,711
Investment in marketable securities                309,499         318,196
Cash value of life insurance                        46,988          44,720
                                                ----------      ----------
        Total assets                            $3,047,765      $1,616,121
                                                ==========      ==========
</TABLE> 

                     LIABILITIES AND STOCKHOLDER'S EQUITY
                     ------------------------------------

<TABLE> 
<S>                                             <C>             <C> 
Current liabilities:
   Trade accounts payable                       $  784,341      $      -0-
   Short term notes payable                         75,000             -0-
   Billings in excess of costs and estimated
      earnings on uncompleted contracts             36,986          58,674
   Accrued expenses                                 39,912          51,620
   Current income taxes                            310,609          85,056
   Deferred income taxes                            45,034         109,538
                                                ----------      ----------
        Total current liabilities                1,291,882         304,888

Deferred income taxes                                3,586           5,720
   Commitments and contingencies                       -0-             -0-
                                                ----------      ----------

        Total liabilities                        1,295,468         310,608
                                                ----------      ----------

Stockholder's equity:
   Common stock, $1 par value, 10,000
      shares authorized, 2,500 shares issued         2,500           2,500
   Retained earnings                             1,729,258       1,273,911
   Unrealized gains on securities                   22,539          29,102
                                                ----------      ----------

        Total stockholder's equity               1,752,297       1,305,513
                                                ----------      ----------

        Total liabilities and
           stockholder's equity                 $3,047,765      $1,616,121
                                                ==========      ==========
</TABLE> 

                      See Accountant's Compilation Report

                                      -2-

<PAGE>
 
                     NOVAK & LACKEY CONSTRUCTION CO., INC.
                      COMPARATIVE STATEMENTS OF EARNINGS
                             AND RETAINED EARNINGS
                     -------------------------------------
          FOR THE THREE AND NINE MONTHS ENDED MARCH 31, 1997 and 1996


<TABLE> 
<CAPTION> 

                                    Three Months Ended              Nine Months Ended
                                         March 31,                      March 31,

                                      1997            1996             1997           1996
                                      ----            ----             ----           ----
<S>                             <C>             <C>             <C>             <C> 
Contract revenues earned        $2,613,671      $1,523,234      $10,303,550     $4,986,555

Costs of earned revenue          2,198,863       1,251,638        9,042,797      4,202,441
                                ----------      ----------      -----------     ----------

    Gross Profit                   414,808         271,596        1,260,753        784,114

Selling, general and
  administrative expenses          151,695         129,250          750,967        660,515
                                ----------      ----------      -----------     ----------

    Earnings from operations       263,113         142,346          509,786        123,599

Other income (deductions):
  Gain (loss) on sale of assets        -0-           4,727              393          4,727
  Interest and dividend income      10,400           3,517           40,566         22,725
  Interest expense                    (619)           (104)          (1,974)          (221)
  Other investment income            3,858           2,972           21,747          6,980
  Other investment expense            (106)           (302)            (355)          (908)
                                ----------      ----------      -----------     ----------
                                    13,533          10,810           60,374         33,303
                                ----------      ----------      -----------     ----------  
    Earnings before income tax     276,646         153,156          570,160        156,902

Provision for income taxes:
        Current                    139,009          62,869          245,471        126,948
        Deferred                   (52,015)         (6,514)         (66,196)       (70,600)
                                ----------      ----------      -----------     ----------
                                    86,994          56,355          179,275         56,348
                                ----------      ----------      -----------     ----------


        Net income                 189,652          96,801          390,885        100,554

Returned earnings,
  beginning of period            1,537,606       1,177,110        1,336,373      1,173,357
                                ----------      ----------      -----------     ----------

Retained earnings,
  end of period                 $1,727,258      $1,273,911      $ 1,727,258     $1,273,911
                                ==========      ==========      ===========     ==========
</TABLE> 

                      See Accountant's Compilation Report

                                      -3-


<PAGE>
 
                     NOVAK & LACKEY CONSTRUCTION CO., INC.

                     COMPARATIVE STATEMENTS OF CASH FLOWS
                     ------------------------------------
               FOR THE NINE MONTHS ENDED MARCH 31, 1997 and 1996

<TABLE> 
<CAPTION> 

INCREASE (DECREASE) IN CASH:
- ----------------------------
                                                      1997            1996
                                                      ----            ----
<S>                                             <C>             <C> 
Cash flows from operating activities:           $  390,885      $  100,554
  Net earnings                  
  Adjustments to reconcile net earnings
  to net cash provided by operations:
     Depreciation of property and equipment         43,410          48,834
    Gain on sale of assets                            (393)         (4,727)
    Deferred income taxes                          (66,196)        (70,600)
    Change in certain assets and liabilities:
      Contract receivables                        (718,418)        125,414
      Costs and estimated earnings in excess
        of billings on uncompleted contracts       (86,434)         21,454
      Prepaid expenses                              (9,941)        (27,361)
      Trade accounts payable                       784,186          (1,623)
      Billings in excess of costs and estimated
        earnings on uncompleted contracts           30,870           3,354
      Accrued expenses                             (21,548)        (30,282)
      Current income taxes                         200,177          84,086
                                                ----------      ----------
        Net cash provided by operations            546,598         249,103
                                                ----------      ----------

Cash flows from investing activities:
  Proceeds from sale of assets                         393           4,727
  Purchase of equipment                            (58,000)        (51,540)
  Land & building under construction              (585,752)         (5,000)
  Increase in cash value of life insurance          (2,268)         (4,082)
                                                ----------      ----------
        Net cash used in investing activities     (645,627)        (55,895)
                                                ----------      ----------

Cash flows from financing activities:
  Proceeds of line-of-credit with bank              75,000             -0-
  Principal payments on bank loan                      -0-         (12,557)
                                                ----------      ----------
        Net cash provided by
          (used in) financing activities            75,000         (12,557)
                                                ----------      ----------

Net increase (decrease) in cash and cash
  equivalents                                      (24,029)        180,651

Cash and cash equivalents at beginning of year     462,922          (5,676)
                                                ----------      ----------

Cash and cash equivalents at end of period      $  438,893      $  174,975
                                                ==========      ==========

SUPPLEMENTAL DISCLOSURES OF CASH INFORMATION:
- ---------------------------------------------

Cash paid during period for:
        Interest expense                        $    1,904      $      221
        Income taxes                                44,317          53,407
Unrealized gains on securities, net of tax          22,539          29,102

</TABLE> 

                      See Accountant's Compilation Report

                                      -4-

<PAGE>
 
                     NOVAK & LACKEY CONSTRUCTION CO., INC.

                 SELLING, GENERAL AND ADMINISTRATIVE EXPENSES
                 --------------------------------------------

          FOR THE THREE AND NINE MONTHS ENDED MARCH 31, 1997 AND 1996

<TABLE> 
<CAPTION> 
                                        Three Months Ended      Nine Months Ended
                                             March 31,              March 31,

                                        1997        1996        1997        1996
                                      --------    --------    ---------   --------  
<S>                                   <C>         <C>         <C>         <C>
Selling and quality control:
  Automobile operating                $  6,024    $  2,417    $  18,993   $ 10,024
  Bidding expense                        1,025         107        5,899      1,723
  Entertainment and promotion              333       1,561          651      2,681
  Salaries and bonuses                  39,257      47,493      287,654    235,170
  Payroll taxes and insurance            1,606       1,942       11,765      9,618
  Travel and lodging                     2,846       1,525       12,636      5,458
  Vehicle lease                          2,200         -0-       14,300      5,500
                                      --------    --------    ---------   --------  
                                        53,291      55,045      351,898    270,174
                                      --------    --------    ---------   --------                                        

General and Administrative:
  Accounting                             5,905       5,150        7,470      6,830
  Advertising                              -0-           9          382      1,126
  Computer                               1,350       1,450        5,334      4,726
  Contributions                            336         -0-        1,366        180
  Dues & publications                    2,039       2,313        2,713      4,175
  Depreciation                           6,895       5,117       19,593     14,705
  Employee benefits - group ins.         3,840       2,185       12,746      6,721
  Legal and compliance                     -0-       8,412        3,056     20,499
  Insurance - general                   10,114       8,248       27,405     27,523
  Office salaries                       20,071      14,166       52,501     36,125
  Officer's salary                      16,728      16,380      192,488    219,140
  Office supplies and postage            4,267       2,314       10,238     13,341
  Miscellaneous                             45         246        3,005       (273)
  Payroll taxes and insurance            3,390       1,702        9,387     14,249
  Rent                                   9,943         -0-       11,693        -0-
  Repairs and maintenance                1,639       1,063        6,227      4,750
  Taxes - general                           42         877        4,676      4,051
  Telephone and communications          10,372       3,534       24,545      9,040
  Utilities                              1,428       1,039        4,244      3,433
                                      --------    --------    ---------   --------  
                                        98,404      74,205      399,069    390,341
                                      --------    --------    ---------   --------
              Total selling, general
                and administrative    $151,695    $129,250    $ 750,967   $660,515
                                      ========    ========    =========   ========  
</TABLE> 

                      See Accountant's Compilation Report

                                      -5-

                      

<PAGE>
 
                                                                    EXHIBIT 99.3


             [SPECIALTY TELECONSTRUCTORS, INC. LOGO APPEARS HERE]



FOR IMMEDIATE RELEASE                        FOR MORE INFORMATION, CONTACT
April 4, 1997                                Mr. Jim Drewitz, Investor Relations
                                             (817) 430-3131

                  SPECIALTY TELECONSTRUCTORS INC., ANNOUNCES
                          LETTER OF INTENT TO ACQUIRE
                     NOVAK & LACKEY CONSTRUCTION CO., INC.

Cedar Crest, NM April 4, 1997 - Specialty Teleconstructors, Inc. (NASDAQ 
National Market Symbol: SCTR and Pacific Stock Exchange Symbol: SPP) announced 
today it entered into a letter of intent effective March 31, 1997 to acquire all
of the outstanding shares of capital stock of Novak & Lackey Construction Co., 
Inc., an Oklahoma City, Oklahoma-based builder of wireless transmitting, 
receiving and switching facilities, in exchange for 400,000 shares of Specialty 
Common Stock which were valued on the date of the agreement at approximately 
$3.85 million.  Specialty indicated that it intends to account for the 
acquisition as a pooling of interest.  Completion of the acquisition is subject 
to execution of definitive agreements and its expected to occur prior to May 31,
1997.

For the fiscal year ended October 31, 1996, Novak and Lackey had revenues of 
$8,833,201 and net income of $276,804 (unaudited).  In addition to its principal
office in Oklahoma City, Oklahoma, Novak & Lackey has offices located in 
Sacramento, California and Orange County, California.  Novak & Lackey's business
operations are conducted primarily in Oklahoma, Arkansas, Texas, California and 
Nevada.  Following the acquisition, Novak & Lackey will continue operations as a
wholly-owned subsidiary of Specialty Teleconstructors.

Michael Budagher, President and Chief Executive Officer of Specialty, said, "We 
consider Novak & Lackey to be one of the most respected and productive companies
on our industry and we are very excited to be joining forces with them."  Added 
Budagher, "Novak & Lackey has dedicated employees and a capable management team,
which we expect to keep in place, as well as an excellent reputation for 
integrity and quality service.  We believe this acquisition represents a 
significant milestone in the growth of our company."

Specialty Teleconstructors, Inc. is headquartered in Cedar Crest, New Mexico and
conducts national operations through nine regional offices across the country.  
Specialty  is dedicated primarily to the build-out and maintenance of wireless 
communications transmitting and receiving facilities for providers of wireless 
communications services.



<PAGE>
 
                                                                    EXHIBIT 99.4


               [LOGO OF SPECIALTY TELECONSTRUCTORS APPEARS HERE]


FOR IMMEDIATE RELEASE                    For more information, contact:
May 15, 1997                             Jim Drewitz, Investor Relations
                                         (817) 430-3131

                       SPECIALTY TELECONSTRUCTORS, INC.
             COMPLETES ACQUISITION OF NOVAK & LACKEY CONSTRUCTION
                CO., INC. AND ANNOUNCES INCREASED REVENUES AND
                  EARNINGS FOR THREE AND NINE MONTHS PERIODS.

Cedar Crest, New Mexico May 15, 1997 - Specialty Teleconstructors, Inc. (Nasdaq 
SCTR and Pacific Stock Exchange: SPP) announced today it had completed the 
acquisition of Novak & Lackey Construction Co., Inc., and Oklahoma City, 
Oklahoma-based builder of wireless transmitting, receiving and switching 
facilities. Specialty issued 400,000 shares of its common stock to the former 
shareholders of Novak & Lackey. For the nine months ended March 31, 1997, Novak 
& Lackey generated approximately $10.3 million in revenues. Following the 
acquisition, Frank D. Lackey, Chairman of Novak & Lackey, was elected to the 
Board of Directors of Specialty. Mr. Lackey said, "We are extremely pleased to 
become associated with Specialty, one of the leading builders of wireless 
infrastructure in the United States."

Specialty also announced its unaudited results of operations for the three and 
nine month periods ended March 31, 1997, which include the operations of Novak &
Lackey.  For the three-month period ended March 31, 1997, revenues and earnings 
increased 121% and 842% respectively from $4,680,315 and $27,133 in 1996 to 
$10,338,648 and $255,460 in 1997.  For the nine-month period ended March 31, 
1997, revenues and earnings increased 123% and 172%, respectively, from 
$14,631,358 and $446,918 for the nine-month period ended March 31, 1996 to 
$32,620,262 and $1,214,730 for the nine-month period ended March 31, 1997.

Earnings per share for the three-month period ended March 31, 1997 increased 
400% from $.01 in 1996 to $.05 in 1997.  For the nine-month period ended March 
31, 1997 earnings per share increased 150% from $.10 for the nine months ended 
March 31, 1996 to $.25 for the nine months ended March 31, 1997.

Specialty Teleconstructors, Inc. is headquartered in Cedar Crest, New Mexico and
conducts national operations through ten regional offices across the country.  
Specialty is dedicated primarily to the build-out and maintenance of wireless 
communications transmitting and receiving facilities for providers of wireless 
communications services.

                                    -MORE-


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