<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 three month
period  ended March 31,  1997,  and is qualified in its entirety by reference to
such financial statements and the notes thereto.
</LEGEND>
<CURRENCY>                                       U.S. DOLLARS
       
                                              
<PERIOD-TYPE>                                          3-MOS
<FISCAL-YEAR-END>                                      DEC-31-1998
<PERIOD-START>                                         JAN-1-1998
<PERIOD-END>                                           MAR-31-1998
<EXCHANGE-RATE>                                        1
<CASH>                                                    7,356,000
<SECURITIES>                                                      0
<RECEIVABLES>                                            32,439,000
<ALLOWANCES>                                                972,000
<INVENTORY>                                               2,703,000
<CURRENT-ASSETS>                                         51,111,000
<PP&E>                                                   31,618,000
<DEPRECIATION>                                           16,097,000
<TOTAL-ASSETS>                                           89,854,000
<CURRENT-LIABILITIES>                                    18,200,000
<BONDS>                                                           0
<COMMON>                                                 42,193,000
<PREFERRED-MANDATORY>                                             0
<PREFERRED>                                                       0
<OTHER-SE>                                                        0
<TOTAL-LIABILITY-AND-EQUITY>                             89,854,000
<SALES>                                                  25,822,000
<TOTAL-REVENUES>                                         25,822,000
<CGS>                                                    13,822,000
<TOTAL-COSTS>                                            13,822,000
<OTHER-EXPENSES>                                         11,579,000
<LOSS-PROVISION>                                             73,000
<INTEREST-EXPENSE>                                          293,000
<INCOME-PRETAX>                                              55,000
<INCOME-TAX>                                                 35,000
<INCOME-CONTINUING>                                          20,000
<DISCONTINUED>                                                    0
<EXTRAORDINARY>                                                   0
<CHANGES>                                                         0
<NET-INCOME>                                                 20,000
<EPS-PRIMARY>                                    0.00
<EPS-DILUTED>                                    0.00