<ARTICLE> 5 <LEGEND> This schedule contains summary financial information extracted from the June 30, 1996 Balance sheet and Income Statement for the six month period ended June 30, 1996 herewith filed and is qualified in its entirety by reference to such statements. </LEGEND> <MULTIPLIER> 1,000 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-1996 <PERIOD-END> JUN-30-1996 <CASH> 34754 <SECURITIES> 0 <RECEIVABLES> 20251 <ALLOWANCES> 634 <INVENTORY> 0 <CURRENT-ASSETS> 65702 <PP&E> 70164 <DEPRECIATION> 41453 <TOTAL-ASSETS> 113877 <CURRENT-LIABILITIES> 56912 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 1016 <OTHER-SE> 54793 <TOTAL-LIABILITY-AND-EQUITY> 113877 <SALES> 89116 <TOTAL-REVENUES> 89204 <CGS> 84083 <TOTAL-COSTS> 84083 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 488 <INCOME-PRETAX> 4633 <INCOME-TAX> 1974 <INCOME-CONTINUING> 2659 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 2659 <EPS-PRIMARY> 0.26 <EPS-DILUTED> 0