<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
COMPANY'S CONSOLIDATED BALANCE SHEETS AND CONSOLIDATED STATEMENTS OF EARNINGS
AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH INTERIM FINANCIAL
STATEMENTS.
</LEGEND>
<S> <C> <C>
<PERIOD-TYPE> 3-MOS 6-MOS
<FISCAL-YEAR-END> DEC-31-2000 DEC-31-2000
<PERIOD-START> JUL-01-2000 JAN-01-2000
<PERIOD-END> SEP-30-2000 SEP-30-2000
<CASH> 0 1,053
<SECURITIES> 0 0
<RECEIVABLES> 0 15,797
<ALLOWANCES> 0 0
<INVENTORY> 0 1,770
<CURRENT-ASSETS> 0 22,070
<PP&E> 0 26,827
<DEPRECIATION> 0 0
<TOTAL-ASSETS> 0 132,124
<CURRENT-LIABILITIES> 0 18,921
<BONDS> 0 0
0 0
0 0
<COMMON> 0 76
<OTHER-SE> 0 56,892
<TOTAL-LIABILITY-AND-EQUITY> 0 132,124
<SALES> 36,901 106,258
<TOTAL-REVENUES> 36,901 106,258
<CGS> 0 0
<TOTAL-COSTS> 32,966 95,007
<OTHER-EXPENSES> 0 0
<LOSS-PROVISION> 0 0
<INTEREST-EXPENSE> 1,245 3,041
<INCOME-PRETAX> 2,690 8,210
<INCOME-TAX> 1,166 3,559
<INCOME-CONTINUING> 1,524 4,651
<DISCONTINUED> 0 0
<EXTRAORDINARY> 0 0
<CHANGES> 0 0
<NET-INCOME> 1,524 4,651
<EPS-BASIC> 0.21 0.65
<EPS-DILUTED> 0.21 0.64
</TABLE>