<ARTICLE> 5
<LEGEND>

THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
COMPANY'S 10-Q REPORT FOR THE THREE AND NINE MONTHS ENDED SEPTEMBER 30, 1997 
AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1

                                                        
<PERIOD-TYPE>                        9-MOS                YEAR                   
<FISCAL-YEAR-END>                 DEC-31-1997         DEC-31-1996              
<PERIOD-START>                    JAN-01-1997         JAN-01-1996
<PERIOD-END>                      SEP-30-1997         DEC-31-1996
<CASH>                                  2,459              39,555
<SECURITIES>                            1,193                 880
<RECEIVABLES>                          31,548              17,678
<ALLOWANCES>                              772                 617
<INVENTORY>                                 0                   0
<CURRENT-ASSETS>                       37,351              59,246
<PP&E>                                 13,612               8,181
<DEPRECIATION>                          4,590               2,834
<TOTAL-ASSETS>                        112,160              77,559
<CURRENT-LIABILITIES>                  24,477               5,026
<BONDS>                                     0                   0
<PREFERRED-MANDATORY>                       0                   0
<PREFERRED>                                 0                   0
<COMMON>                                  249                 242
<OTHER-SE>                             82,578              71,042  
<TOTAL-LIABILITY-AND-EQUITY>          112,160              77,559
<SALES>                                     0                   0
<TOTAL-REVENUES>                      120,507              94,210
<CGS>                                       0                   0
<TOTAL-COSTS>                          71,905              53,839
<OTHER-EXPENSES>                       (1,374)               (350)                      
<LOSS-PROVISION>                            0                   0
<INTEREST-EXPENSE>                          0                  78    
<INCOME-PRETAX>                        12,452               9,946
<INCOME-TAX>                            4,905               3,965
<INCOME-CONTINUING>                     7,547               5,981
<DISCONTINUED>                              0                   0
<EXTRAORDINARY>                             0                   0
<CHANGES>                                   0                   0
<NET-INCOME>                            7,547               5,981
<EPS-PRIMARY>                             .29                 .25
<EPS-DILUTED>                             .29                 .25