| 
                   Delaware 
                 | 
                
                   1-6770 
                 | 
                
                   25-0790410 
                 | 
              
| 
                   (State
      or other 
                 | 
                
                   (Commission
      File 
                 | 
                
                   (IRS
      Employer 
                 | 
              
| 
                   jurisdiction 
                 | 
                
                   Number) 
                 | 
                
                   Identification
      No.) 
                 | 
              
| 
                   of
      incorporation) 
                 | 
                
| 
                   8285
      Tournament Drive 
                 | 
                ||
| 
                   Suite
      150 
                 | 
                ||
| 
                   Memphis,
      Tennessee 
                 | 
                
                   38125 
                 | 
              |
| 
                   (Address
      of principal 
                 | 
                
                   Zip
      Code 
                 | 
              |
| 
                   executive
      offices) 
                 | 
                
| 
                 o 
               | 
              
                 Written
      communications pursuant to Rule 425 under the Securities Act (17 CFR
      230.425) 
               | 
            |
| 
                 o 
               | 
              
                 Soliciting
      material pursuant to Rule 14a-12 under the Exchange Act (17 CFR
      240.14a-12) 
               | 
            |
| 
                 o 
               | 
              
                 Pre-commencement
      communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR
      240.14d-2(b)) 
               | 
            |
| 
                 o 
               | 
              
                 Pre-commencement
      communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR
      240.13e-4(c)) 
               | 
            
| 
                       | 
                    MUELLER INDUSTRIES, INC. | |
| 
                       By: 
                     | 
                    
                       /s/
      Richard W. Corman 
                     | 
                  |
| 
                       Name: 
                     | 
                    
                       Richard
      W. Corman 
                     | 
                  |
| 
                       Title: 
                     | 
                    
                       Vice
      President - Controller 
                     | 
                  |
| 
                       Date:
      February 13, 2009 
                     | 
                    ||
| 
                   Exhibit
      No. 
                 | 
                
                   Description 
                   | 
              
| 
                   99.1 
                 | 
                
                   Press
      release, dated February 13,
2009. 
                 |