8-K

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                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                    FORM 8-K

                                 CURRENT REPORT

     Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

       Date of Report (Date of earliest event reported): December 12, 2005

                            MUELLER INDUSTRIES, INC.
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             (Exact name of registrant as specified in its charter)

           Delaware                    1-6770                  25-0790410
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 (State or other jurisdiction       (Commission             (IRS Employer
      of incorporation)             File Number)          Identification No.)

         8285 Tournament Drive Suite 150
               Memphis, Tennessee                                38125
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   (Address of principal executive offices)                     Zip Code

       Registrant's telephone number, including area code: (901) 753-3200

     Registrant's Former Name or Address, if changed since last report: N/A

Check the appropriate box below if the Form 8-K filing is intended to
simultaneously satisfy the filing obligation of the registrant under any of the
following provisions (see General Instruction A.2. below):

[ ]  Written communications pursuant to Rule 425 under the Securities
     Act (17 CFR 230.425)

[ ]  Soliciting material pursuant to Rule 14a-12 under the Exchange
     Act (17 CFR 240.14a-12)

[ ]  Pre-commencement communications pursuant to Rule 14d-2(b) under the
     Exchange Act (17 CFR 240.14d-2(b))

[ ]  Pre-commencement communications pursuant to Rule 13e-4(c) under the
     Exchange Act (17 CFR 240.13e-4(c))

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Item 8.01.  Other Events

     On December 12, 2005 the Registrant issued a press release announcing its
establishment of a joint venture to manufacture copper tube in China. A copy of
the press release is attached as Exhibit 99.1.

Item 9.01.  Financial Statements and Exhibits.

(c) Exhibits

     99.1   Press release, dated December 12, 2005.

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                                    SIGNATURE

     Pursuant to the requirements of the Securities Exchange Act of 1934, as
amended, the registrant has duly caused this report to be signed on its behalf
by the undersigned hereunto duly authorized.

                                              MUELLER INDUSTRIES, INC.

Dated: December 12, 2005                      By:    /s/ Richard W. Corman
                                                     ---------------------------
                                              Name:  Richard W. Corman
                                              Title: Vice President - Controller

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                                  Exhibit Index

Exhibit No.    Description
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   99.1        Press release, dated December 12, 2005.

                                       -4-

EX-99.1

                                                                    Exhibit 99.1

MUELLER INDUSTRIES, INC. ESTABLISHES JOINT VENTURE TO MANUFACTURE COPPER TUBE
                                    IN CHINA

     MEMPHIS, Tenn., Dec. 12 /PRNewswire-FirstCall/ -- Mueller Industries, Inc.
(NYSE: MLI), announced today that it has acquired a 50.5 percent joint venture
interest in China to manufacture copper tube, primarily to serve the Chinese
domestic OEM air conditioning market as well as complement the Company's U.S.
product line. The joint venture will produce inner grove and smooth tube in
level-wound coils, pancake coils, and straight lengths, and is located in Jintan
City, Jiangsu Province, China. The joint venture is expected to produce
approximately 80 million pounds of product in 2006 and approximately 110 million
pounds of product by 2007.

     Mr. William D. O'Hagan, CEO of Mueller Industries, Inc., stated that,
"Mueller's entry into China constitutes an outstanding opportunity to expand and
extend Mueller's markets, which already include North America and Europe."

     Mueller will initially invest cash of approximately $19.4 million and its
Chinese venture partners will invest approximately the same amount in machinery,
equipment and other assets. The Chinese venture partners are Jiangsu Xingrong
Hi-Tech Company, Ltd. and Jiangsu Baiyang Industries Ltd. The joint venture will
be named Jiangsu Mueller-Xingrong Copper Industries Ltd.

     Mueller Industries, Inc. is a leading manufacturer of copper tube and
fittings; brass and copper alloy rod, bar and shapes; aluminum and brass
forgings; aluminum and copper impact extrusions; plastic fittings and valves;
refrigeration valves and fittings; and fabricated tubular products. Mueller's
operations are located throughout the United States and in Canada, Mexico, and
Great Britain.

     Statements in this release that are not strictly historical may be
"forward-looking" statements, which involve risks and uncertainties. These
include economic and currency conditions, continued availability of raw
materials and energy, market demand, pricing, competitive and technological
factors, and the availability of financing, among others, as set forth in the
Company's SEC filings. The words "estimate," "project," "intend," "expect,"
"believe," "target," and similar expressions are intended to identify forward-
looking statements. The reader should not place undue reliance on forward-
looking statements, which speak only as of the date of this report. The Company
has no obligation to publicly update or revise any forward-looking statements to
reflect events after the date of this report.

SOURCE  Mueller Industries, Inc.
     -0-                             12/12/2005
     /CONTACT: Kent A. McKee of Mueller Industries, Inc., +1-901-753-3208/
     (MLI)