Ownership Submission
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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(Print or Type Responses)
1. Name and Address of Reporting Person *
  Porter Tracy L
 2. Date of Event Requiring Statement (Month/Day/Year)
02/01/2010		 3. Issuer Name and Ticker or Trading Symbol
COMMERCIAL METALS CO [CMC]
(Last)
(First)
(Middle)
4141 ABIGAIL DRIVE		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Acting President CMC Americas
 5. If Amendment, Date Original Filed(Month/Day/Year)
02/04/2010
(Street)

HIGHLAND VILLAGE, TX 75077		 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ 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 16,484
D
 

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
Performance Shares   (1) 05/19/2012 Common Stock 8,000 $ 0 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Porter Tracy L
4141 ABIGAIL DRIVE
HIGHLAND VILLAGE, TX 75077		       Acting President CMC Americas  

Signatures

By: Rebecca N. Heffington For: Tracy L. Porter 02/05/2010
**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) Each performance share is a restricted stock unit which represents a contingent right to receive one share of CMC common stock. The units vest upon CMC's common stock achieving a market price of either (i) $24 per share for twenty consecutive trading days prior to May 19, 2012, and total shareholder return at or above the 80th percentile of peer group for period ending with month of December, 2011 compared to December, 2008 or (ii) $30 per share for twenty consecutive trading days prior to May 19, 2012, and total shareholder return at or above the 50th percentile of peer group for period ending with month of December, 2011 compared to December, 2008.

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