
<TABLE> <S> <C>

<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONSOLIDATED FINANCIAL STATEMENTS FOUND IN THE COMPANY'S 10-Q FOR THE SIX MONTH
PERIOD ENDED JUNE 30, 1999, AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO
SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000

<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-START>                             JAN-01-1999
<PERIOD-END>                               JUN-30-1999
<CASH>                                             928
<SECURITIES>                                         0
<RECEIVABLES>                                   71,356
<ALLOWANCES>                                     1,541
<INVENTORY>                                          0
<CURRENT-ASSETS>                                78,007
<PP&E>                                          33,481
<DEPRECIATION>                                  12,110
<TOTAL-ASSETS>                                 140,063
<CURRENT-LIABILITIES>                           40,047
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                           160
<OTHER-SE>                                      58,212
<TOTAL-LIABILITY-AND-EQUITY>                   140,063
<SALES>                                              0
<TOTAL-REVENUES>                               167,861
<CGS>                                                0
<TOTAL-COSTS>                                  111,537
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                   180
<INTEREST-EXPENSE>                               1,394
<INCOME-PRETAX>                                  9,484
<INCOME-TAX>                                     3,870
<INCOME-CONTINUING>                              5,614
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     5,614
<EPS-BASIC>                                       0.36
<EPS-DILUTED>                                     0.36


</TABLE>
