<TABLE> <S> <C>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
FINANCIAL STATEMENTS OF INTEGRATED ELECTRICAL SERVICES, INC. AS OF SEPTEMBER 30,
2000 AND FOR THE YEAR ENDED SEPTEMBER 30, 2000, AND IS QUALIFIED IN ITS ENTIRETY
BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> SEP-30-2000
<PERIOD-START> OCT-01-1999
<PERIOD-END> SEP-30-2000
<CASH> 770
<SECURITIES> 0
<RECEIVABLES> 375,266
<ALLOWANCES> 7,121
<INVENTORY> 16,861
<CURRENT-ASSETS> 445,752
<PP&E> 87,679
<DEPRECIATION> 26,312
<TOTAL-ASSETS> 1,019,990
<CURRENT-LIABILITIES> 354,109
<BONDS> 150,000
0
0
<COMMON> 408
<OTHER-SE> 507,341
<TOTAL-LIABILITY-AND-EQUITY> 1,019,990
<SALES> 1,672,288
<TOTAL-REVENUES> 1,672,288
<CGS> 1,372,537
<TOTAL-COSTS> 1,607,267
<OTHER-EXPENSES> (1,008)
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 23,230
<INCOME-PRETAX> 42,799
<INCOME-TAX> 21,643
<INCOME-CONTINUING> 21,156
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 21,156
<EPS-BASIC> 0.53
<EPS-DILUTED> 0.52
</TABLE>