<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE BALANCE
SHEET AS OF SEPTEMBER 30, 2000 AND THE RELATED STATEMENTS OF INCOME FOR THE
THREE AND NINE MONTH PERIODS THEN ENDED AND IS QUALIFIED IN ITS ENTIRETY BY
REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 3-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> JAN-01-2000
<PERIOD-END> SEP-30-2000
<CASH> 6,277
<SECURITIES> 0
<RECEIVABLES> 39,323
<ALLOWANCES> 0
<INVENTORY> 0
<CURRENT-ASSETS> 47,093
<PP&E> 71,870
<DEPRECIATION> (20,918)
<TOTAL-ASSETS> 100,268
<CURRENT-LIABILITIES> 36,321
<BONDS> 0
0
0
<COMMON> 42,619
<OTHER-SE> (3,288)
<TOTAL-LIABILITY-AND-EQUITY> 100,268
<SALES> 0
<TOTAL-REVENUES> 42,953
<CGS> 0
<TOTAL-COSTS> 39,098
<OTHER-EXPENSES> (50)
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 931
<INCOME-PRETAX> 2,974
<INCOME-TAX> 210
<INCOME-CONTINUING> 2,764
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 2,764
<EPS-BASIC> 0.24
<EPS-DILUTED> 0.23
</TABLE>