<ARTICLE> 5 <PERIOD-TYPE> YEAR <FISCAL-YEAR-END> DEC-31-1997 <PERIOD-END> DEC-31-1997 <CASH> 11,628,851 <SECURITIES> 0 <RECEIVABLES> 37,531,132 <ALLOWANCES> 0 <INVENTORY> 3,931,505 <CURRENT-ASSETS> 56,593,962 <PP&E> 16,012,812 <DEPRECIATION> 4,783,649 <TOTAL-ASSETS> 68,220,257 <CURRENT-LIABILITIES> 20,177,338 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 48,042,919 <OTHER-SE> 0 <TOTAL-LIABILITY-AND-EQUITY> 68,220,257 <SALES> 134,050,485 <TOTAL-REVENUES> 134,050,485 <CGS> 107,367,035 <TOTAL-COSTS> 107,367,035 <OTHER-EXPENSES> 5,155,987 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 1,004,198 <INCOME-PRETAX> 20,710,919 <INCOME-TAX> 7,702,634 <INCOME-CONTINUING> 13,008,285 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 13,008,285 <EPS-PRIMARY> 1.47 <EPS-DILUTED> 1.31