<ARTICLE> 5 <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> DEC-31-1999 <PERIOD-END> SEP-30-1999 <CASH> 508,000 <SECURITIES> 0 <RECEIVABLES> 19,292,000 <ALLOWANCES> (950,000) <INVENTORY> 911,000 <CURRENT-ASSETS> 23,319,000 <PP&E> 37,391,000 <DEPRECIATION> (16,404,000) <TOTAL-ASSETS> 70,089,000 <CURRENT-LIABILITIES> 19,424,000 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 17,919,000 <OTHER-SE> 0 <TOTAL-LIABILITY-AND-EQUITY> 70,089,000 <SALES> 58,808,000 <TOTAL-REVENUES> 58,808,000 <CGS> 34,967,000 <TOTAL-COSTS> 34,967,000 <OTHER-EXPENSES> 13,271,000 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 1,626,000 <INCOME-PRETAX> 8,947,000 <INCOME-TAX> 3,668,000 <INCOME-CONTINUING> 5,279,000 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 5,279,000 <EPS-BASIC> 0.56 <EPS-DILUTED> 0.55