<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from the 
Company's condensed consolidated balance sheet and statement of income
and is qualified in its entirety by reference to such Form 10Q.
</LEGEND>
<MULTIPLIER> 1,000
       
                                                  
<PERIOD-TYPE>                   3-MOS                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1996             DEC-31-1995
<PERIOD-START>                             JAN-01-1996             JAN-01-1995
<PERIOD-END>                               MAR-31-1996             MAR-31-1995
<CASH>                                          19,402                   6,123 
<SECURITIES>                                    56,927                   5,788
<RECEIVABLES>                                   34,140                  25,502 
<ALLOWANCES>                                     (554)                   (465)
<INVENTORY>                                          0                       0
<CURRENT-ASSETS>                               113,746                  40,364
<PP&E>                                          31,991                  25,483
<DEPRECIATION>                                  15,724                  12,169    
<TOTAL-ASSETS>                                 130,809                  66,474
<CURRENT-LIABILITIES>                           19,911                  14,367
<BONDS>                                          2,907                   3,000
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                          0                       0
<COMMON>                                           205                      36
<OTHER-SE>                                     106,491                  48,174
<TOTAL-LIABILITY-AND-EQUITY>                   130,809                  66,474
<SALES>                                          8,137                   5,921
<TOTAL-REVENUES>                                37,345                  29,245
<CGS>                                            6,612                   4,568
<TOTAL-COSTS>                                   32,668                  25,888
<OTHER-EXPENSES>                                     0                       0
<LOSS-PROVISION>                                    25                      78
<INTEREST-EXPENSE>                                  34                      50     
<INCOME-PRETAX>                                  5,587                   3,611
<INCOME-TAX>                                     2,234                     192
<INCOME-CONTINUING>                              3,353                   3,419
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                                     3,353                   3,419
<EPS-PRIMARY>                                      .16                     .13
<EPS-DILUTED>                                      .16                     .13