<TABLE> <S> <C>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONDENSED CONSOLIDATED BALANCE SHEET OF INSIGHT ENTERPRISES, INC. AND
SUBSIDIARIES AS OF SEPTEMBER 30, 1999 AND THE RELATED CONDENSED CONSOLIDATED
STATEMENT OF EARNINGS FOR THE NINE MONTHS ENDED SEPTEMBER 30, 1999 AND IS
QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FORM 10-Q FOR THE QUARTERLY
PERIOD ENDING SEPTEMBER 30, 1999.
</LEGEND>
<RESTATED>
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 9-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> SEP-30-1999
<CASH> 28,736
<SECURITIES> 0
<RECEIVABLES> 214,910
<ALLOWANCES> 9,373
<INVENTORY> 20,809
<CURRENT-ASSETS> 260,059
<PP&E> 58,028
<DEPRECIATION> 12,121
<TOTAL-ASSETS> 330,403
<CURRENT-LIABILITIES> 140,892
<BONDS> 8,905
0
0
<COMMON> 258
<OTHER-SE> 180,348
<TOTAL-LIABILITY-AND-EQUITY> 330,403
<SALES> 1,100,438
<TOTAL-REVENUES> 1,100,438
<CGS> 970,361
<TOTAL-COSTS> 970,361
<OTHER-EXPENSES> 85,313
<LOSS-PROVISION> 4,103
<INTEREST-EXPENSE> 766
<INCOME-PRETAX> 39,895
<INCOME-TAX> 15,811
<INCOME-CONTINUING> 24,084
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 24,084
<EPS-BASIC> 0.63<F1>
<EPS-DILUTED> 0.63<F1>
<FN>
<F1>
EPS-Basic and EPS-Diluted are restated to include the effect of the 3-for-2
stock split effected in the form of a stock dividend paid on September 18, 2000.
</FN>
</TABLE>
