<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,  1996,  and is  qualified in its entirety by reference to
such financial statements and the notes thereto.
</LEGEND>
<CURRENCY>                                             U.S. DOLLARS
       
                                                     
<PERIOD-TYPE>                                          6-MOS
<FISCAL-YEAR-END>                                      DEC-31-1996
<PERIOD-START>                                         JAN-1-1996
<PERIOD-END>                                           JUN-30-1996
<EXCHANGE-RATE>                                                        1
<CASH>                                                         3,492,000
<SECURITIES>                                                           0
<RECEIVABLES>                                                 43,381,000
<ALLOWANCES>                                                   1,190,000
<INVENTORY>                                                            0
<CURRENT-ASSETS>                                              51,024,000
<PP&E>                                                        48,227,000
<DEPRECIATION>                                                25,768,000
<TOTAL-ASSETS>                                               100,296,000
<CURRENT-LIABILITIES>                                         16,183,000
<BONDS>                                                                0
<PREFERRED-MANDATORY>                                                  0
<PREFERRED>                                                            0
<COMMON>                                                      41,944,000
<OTHER-SE>                                                             0
<TOTAL-LIABILITY-AND-EQUITY>                                 100,296,000
<SALES>                                                       55,149,000
<TOTAL-REVENUES>                                              55,149,000
<CGS>                                                         22,719,000
<TOTAL-COSTS>                                                 22,719,000
<OTHER-EXPENSES>                                              31,520,000
<LOSS-PROVISION>                                                (156,000)
<INTEREST-EXPENSE>                                               453,000
<INCOME-PRETAX>                                                  613,000
<INCOME-TAX>                                                     214,000
<INCOME-CONTINUING>                                              399,000
<DISCONTINUED>                                                         0
<EXTRAORDINARY>                                                        0
<CHANGES>                                                              0
<NET-INCOME>                                                     399,000
<EPS-PRIMARY>                                                      $0.06
<EPS-DILUTED>                                                      $0.06