<ARTICLE>                                   5
<LEGEND>
This  schedule  contains  summary  financial   information  extracted  from  the
consolidated balance sheets,  consolidated statements of income and consolidated
statements of cash flows  included in the Company's  Form 10-Q for the six month
period  ended June 30,  1998,  and is  qualified in its entirety by reference to
such financial statements and the notes thereto.
     </LEGEND>
<CURRENCY>                                   U.S. DOLLARS
       
                                                   
<PERIOD-TYPE>                                          9-MOS
<FISCAL-YEAR-END>                                      DEC-31-1998
<PERIOD-START>                                         JAN-1-1998
<PERIOD-END>                                           SEP-30-1998
<EXCHANGE-RATE>                                        1
<CASH>                                                    4,260,000
<SECURITIES>                                                      0
<RECEIVABLES>                                            44,165,000
<ALLOWANCES>                                             (1,208,000)
<INVENTORY>                                               3,017,000
<CURRENT-ASSETS>                                         58,419,000
<PP&E>                                                   34,079,000
<DEPRECIATION>                                          (17,899,000)
<TOTAL-ASSETS>                                           99,280,000
<CURRENT-LIABILITIES>                                    27,327,000
<BONDS>                                                           0
<COMMON>                                                 42,875,000
<PREFERRED-MANDATORY>                                             0
<PREFERRED>                                                       0
<OTHER-SE>                                                        0
<TOTAL-LIABILITY-AND-EQUITY>                             99,280,000
<SALES>                                                  97,662,000
<TOTAL-REVENUES>                                         97,662,000
<CGS>                                                    57,610,000
<TOTAL-COSTS>                                            57,610,000
<OTHER-EXPENSES>                                         35,992,000
<LOSS-PROVISION>                                            691,000
<INTEREST-EXPENSE>                                          891,000
<INCOME-PRETAX>                                           2,478,000
<INCOME-TAX>                                              1,154,000
<INCOME-CONTINUING>                                       1,324,000
<DISCONTINUED>                                                    0
<EXTRAORDINARY>                                                   0
<CHANGES>                                                         0
<NET-INCOME>                                              1,324,000
<EPS-PRIMARY>                                                  0.08
<EPS-DILUTED>                                                  0.08