<ARTICLE> 5 <MULTIPLIER> 1,000 <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> DEC-31-1997 <PERIOD-END> SEP-30-1997 <CASH> 520 <SECURITIES> 0 <RECEIVABLES> 2063 <ALLOWANCES> 20 <INVENTORY> 1,096 <CURRENT-ASSETS> 4,958 <PP&E> 32,474 <DEPRECIATION> 15,985 <TOTAL-ASSETS> 29,084 <CURRENT-LIABILITIES> 6,946 <BONDS> 831 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 14,700 <TOTAL-LIABILITY-AND-EQUITY> 29,084 <SALES> 21,017 <TOTAL-REVENUES> 21,862 <CGS> 16,651 <TOTAL-COSTS> 16,929 <OTHER-EXPENSES> 1,642 <LOSS-PROVISION> 15 <INTEREST-EXPENSE> 149 <INCOME-PRETAX> 2,271 <INCOME-TAX> 696 <INCOME-CONTINUING> 1,527 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 1,527 <EPS-PRIMARY> 0 <EPS-DILUTED> 0