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, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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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	Â	  X	Â	Â
Baldwin Enterprises, Inc. 529 EAST SOUTH TEMPLE SALT LAKE CITY, UT 84102	Â	  X	Â	Â
PHLCORP HOLDING LLC 529 EAST SOUTH TEMPLE SALT LAKE CITY, UT 84102	Â	  X	Â	Â
BEI Arch Holdings, LLC 529 EAST SOUTH TEMPLE SALT LAKE CITY, UT 84102	Â	  X	Â	Â
BEI-Longhorn LLC 529 EAST SOUTH TEMPLE SALT LAKE CITY, UT 84102	Â	  X	Â	Â

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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