<ARTICLE> 5 <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-1999 <PERIOD-START> JAN-01-1999 <PERIOD-END> MAR-31-1999 <CASH> 1,984,000 <SECURITIES> 0 <RECEIVABLES> 18,420,000 <ALLOWANCES> (188,000) <INVENTORY> 826,000 <CURRENT-ASSETS> 22,796,000 <PP&E> 33,955,761 <DEPRECIATION> (14,715,109) <TOTAL-ASSETS> 67,322,000 <CURRENT-LIABILITIES> 17,800,000 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 18,655,000 <OTHER-SE> 0 <TOTAL-LIABILITY-AND-EQUITY> 67,322,000 <SALES> 19,784,000 <TOTAL-REVENUES> 19,784,000 <CGS> 11,605,000 <TOTAL-COSTS> 11,605,000 <OTHER-EXPENSES> 4,975,000 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 504,000 <INCOME-PRETAX> 2,703,000 <INCOME-TAX> 1,108,000 <INCOME-CONTINUING> 1,595,000 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 1,595,000 <EPS-PRIMARY> 0.17 <EPS-DILUTED> 0.16