<ARTICLE> 5
<LEGEND>
THE SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE 
COMPANY'S FORM 10-Q FOR THE FISCAL QUARTER ENDED MARCH 27, 1999 AND IS 
QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS
</LEGEND>
<CIK> 0000089439
<NAME> MUELLER INDUSTRIES, INC.
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-25-1999
<PERIOD-END>                               MAR-27-1999
<CASH>                                          90,133
<SECURITIES>                                         0
<RECEIVABLES>                                  186,436
<ALLOWANCES>                                     4,838
<INVENTORY>                                    123,548
<CURRENT-ASSETS>                               404,621
<PP&E>                                         508,693
<DEPRECIATION>                                 132,061
<TOTAL-ASSETS>                                 888,970
<CURRENT-LIABILITIES>                          151,593
<BONDS>                                        156,909
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                           401
<OTHER-SE>                                     521,364
<TOTAL-LIABILITY-AND-EQUITY>                   888,970
<SALES>                                        287,840
<TOTAL-REVENUES>                               287,840
<CGS>                                          221,740
<TOTAL-COSTS>                                  221,740
<OTHER-EXPENSES>                                34,169
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               2,861
<INCOME-PRETAX>                                 31,199
<INCOME-TAX>                                     9,516
<INCOME-CONTINUING>                             21,683
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    21,683
<EPS-PRIMARY>                                     0.61
<EPS-DILUTED>                                     0.55