<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM 2ND QUARTER
2000 FINANCIAL STATEMENTS 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-31-2000
<PERIOD-START> JAN-01-2000
<PERIOD-END> JUN-30-2000
<CASH> 9,080
<SECURITIES> 4,703
<RECEIVABLES> 18,493
<ALLOWANCES> 0
<INVENTORY> 0
<CURRENT-ASSETS> 34,436
<PP&E> 46,929
<DEPRECIATION> 17,928
<TOTAL-ASSETS> 65,862
<CURRENT-LIABILITIES> 10,565
<BONDS> 0
0
0
<COMMON> 38
<OTHER-SE> 53,798
<TOTAL-LIABILITY-AND-EQUITY> 65,862
<SALES> 42,715
<TOTAL-REVENUES> 42,715
<CGS> 38,551
<TOTAL-COSTS> 43,861
<OTHER-EXPENSES> 0
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 0
<INCOME-PRETAX> (650)
<INCOME-TAX> (325)
<INCOME-CONTINUING> (325)
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> (325)
<EPS-BASIC> (.09)
<EPS-DILUTED> (.09)
</TABLE>