<TABLE> <S> <C>
<ARTICLE> 5
<LEGEND>
THE SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
COMPANY'S FORM 10-Q FOR THE FISCAL QUARTER ENDED SEPTEMBER 23, 2000 AND IS
QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS
</LEGEND>
<CIK> 0000089439
<NAME> MUELLER INDUSTRIES, INC.
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 9-MOS
<FISCAL-YEAR-END> DEC-30-2000
<PERIOD-END> SEP-23-2000
<CASH> 135,144
<SECURITIES> 0
<RECEIVABLES> 189,275
<ALLOWANCES> 5,165
<INVENTORY> 125,083
<CURRENT-ASSETS> 456,077
<PP&E> 515,288
<DEPRECIATION> 154,229
<TOTAL-ASSETS> 939,610
<CURRENT-LIABILITIES> 146,597
<BONDS> 107,401
0
0
<COMMON> 401
<OTHER-SE> 616,663
<TOTAL-LIABILITY-AND-EQUITY> 939,610
<SALES> 926,912
<TOTAL-REVENUES> 926,912
<CGS> 708,370
<TOTAL-COSTS> 708,370
<OTHER-EXPENSES> 99,066
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 7,130
<INCOME-PRETAX> 119,855
<INCOME-TAX> 44,220
<INCOME-CONTINUING> 75,635
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 75,635
<EPS-BASIC> 2.19
<EPS-DILUTED> 1.97