<ARTICLE> 5 <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-1999 <PERIOD-END> SEP-30-1999 <CASH> 12,679,772 <SECURITIES> 0 <RECEIVABLES> 54,599,613 <ALLOWANCES> 3,949,000 <INVENTORY> 8,556,210 <CURRENT-ASSETS> 75,408,477 <PP&E> 17,029,447 <DEPRECIATION> 10,895,085 <TOTAL-ASSETS> 95,600,293 <CURRENT-LIABILITIES> 5,658,590 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 110,600 <OTHER-SE> 87,584,959 <TOTAL-LIABILITY-AND-EQUITY> 95,600,293 <SALES> 0 <TOTAL-REVENUES> 172,125,372 <CGS> 147,271,486 <TOTAL-COSTS> 160,931,965 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 11,776,842 <INCOME-TAX> 4,475,000 <INCOME-CONTINUING> 7,301,842 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 7,301,842 <EPS-BASIC> .66 <EPS-DILUTED> .64