<TABLE> <S> <C>

<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY INFORMATION EXTRACTED FROM THE CONSOLIDATED
BALANCE SHEET AND CONSOLIDATED STATEMENTS OF INCOME FOUND ON PAGES F-3 AND 
F-4 OF THE COMPANY'S FORM 10-K AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO
SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
       
<S>                             <C>                     <C>                     <C>
<PERIOD-TYPE>                   YEAR                   YEAR                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1994             DEC-31-1995             DEC-31-1996
<PERIOD-END>                               DEC-31-1994             DEC-31-1995             DEC-31-1996
<CASH>                                               0                   4,531                  25,710
<SECURITIES>                                         0                       0                       0
<RECEIVABLES>                                        0                  32,377                  68,665
<ALLOWANCES>                                         0                     937                   3,188
<INVENTORY>                                          0                       0                       0
<CURRENT-ASSETS>                                     0                  52,251                  99,353
<PP&E>                                               0                  25,015                  59,109
<DEPRECIATION>                                       0                       0                       0
<TOTAL-ASSETS>                                       0                 100,960                 211,684
<CURRENT-LIABILITIES>                                0                  28,069                  62,517
<BONDS>                                              0                       0                       0
<PREFERRED-MANDATORY>                                0                       0                       0
<PREFERRED>                                          0                       0                       0
<COMMON>                                             0                      51                      59
<OTHER-SE>                                           0                       0                       0
<TOTAL-LIABILITY-AND-EQUITY>                         0                 100,960                 211,684
<SALES>                                        116,757                 187,215                 312,750
<TOTAL-REVENUES>                               116,757                 187,215                 312,750
<CGS>                                           63,268                 101,617                 163,717
<TOTAL-COSTS>                                  111,522                 205,415                 284,412
<OTHER-EXPENSES>                               (1,443)                   (118)                   6,956
<LOSS-PROVISION>                                     0                       0                       0
<INTEREST-EXPENSE>                                 834                     702                     227
<INCOME-PRETAX>                                  5,844                (18,784)                  21,155
<INCOME-TAX>                                     1,526                 (6,593)                  10,221
<INCOME-CONTINUING>                                  0                       0                       0
<DISCONTINUED>                                       0                       0                       0
<EXTRAORDINARY>                                      0                       0                       0
<CHANGES>                                            0                       0                       0
<NET-INCOME>                                     3,935                (13,453)                  10,857
<EPS-PRIMARY>                                      .09                   (.29)                     .16
<EPS-DILUTED>                                      .09                   (.29)                     .16
        

</TABLE>