<ARTICLE> 5 <MULTIPLIER> 1,000 <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> DEC-31-1999 <PERIOD-END> SEP-30-1999 <CASH> 665 <SECURITIES> 0 <RECEIVABLES> 72,692 <ALLOWANCES> 592 <INVENTORY> 0 <CURRENT-ASSETS> 103,575 <PP&E> 56,615 <DEPRECIATION> 41,036 <TOTAL-ASSETS> 120,769 <CURRENT-LIABILITIES> 67,013 <BONDS> 3,840 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 61 <OTHER-SE> 48,415 <TOTAL-LIABILITY-AND-EQUITY> 120,769 <SALES> 348,116 <TOTAL-REVENUES> 348,116 <CGS> 306,645 <TOTAL-COSTS> 332,612 <OTHER-EXPENSES> 93 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 760 <INCOME-PRETAX> 15,469 <INCOME-TAX> 6,188 <INCOME-CONTINUING> 9,281 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 9,281 <EPS-BASIC> 1.57 <EPS-DILUTED> 1.38