FORM 3
 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
  LEUCADIA NATIONAL CORP
 2. Date of Event Requiring Statement (Month/Day/Year)
07/29/2011		 3. Issuer Name and Ticker or Trading Symbol
MUELLER INDUSTRIES INC [MLI]
(Last)
(First)
(Middle)
315 PARK AVE SOUTH		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director __X__ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

NEW YORK, NY 10010		 6. Individual or Joint/Group Filing(Check Applicable Line)
___ Form filed by One Reporting Person
_X_ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security
(Instr. 4)		 2. Amount of Securities Beneficially Owned
(Instr. 4)		 3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)		 4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Common Stock 3,816,046
I (1)
See Explanation (1)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)		 2. Date Exercisable and Expiration Date
(Month/Day/Year)		 3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)		 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)		 6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
LEUCADIA NATIONAL CORP
315 PARK AVE SOUTH
NEW YORK, NY 10010		     X    
Baldwin Enterprises, Inc.
529 EAST SOUTH TEMPLE
SALT LAKE CITY, UT 84102		     X    
PHLCORP HOLDING LLC
529 EAST SOUTH TEMPLE
SALT LAKE CITY, UT 84102		     X    
BEI Arch Holdings, LLC
529 EAST SOUTH TEMPLE
SALT LAKE CITY, UT 84102		     X    
BEI-Longhorn LLC
529 EAST SOUTH TEMPLE
SALT LAKE CITY, UT 84102		     X    

Signatures

Leucadia National Corporation, /s/ Barbara L. Lowenthal, Vice President and Comptroller 08/03/2011
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) Reflects shares of Mueller Industries, Inc. common stock directly owned by BEI-Longhorn, LLC ("BEI Longhorn") and indirectly owned by BEI Arch Holdings, LLC ("BEI Arch"), Baldwin Enterprises, Inc. ("Baldwin"), Phlcorp Holding LLC ("Phlcorp") and Leucadia National Corporation ("Leucadia"). BEI Longhorn is a wholly-owned subsidiary of BEI Arch, BEI Arch is a wholly-owned subsidiary of Baldwin, Baldwin is a wholly-owned subsidiary of Phlcorp and Phlcorp is a wholly-owned subsidiary of Leucadia. See Exhibit 99.1.

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