UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 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) February 3, 2012

Commercial Metals Company

(Exact Name of Registrant as Specified in Its Charter)

Delaware

(State or Other Jurisdiction

of Incorporation)

(214) 689-4300

(Registrant’s Telephone Number, Including Area Code)

Not Applicable

(Former Name or Former Address, if Changed Since Last Report)

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):

On February 3, 2012, the following matters were voted upon and approved by Commercial Metals Company’s (the “Company”) stockholders at the Company’s Annual Meeting of Stockholders:

(1) the election of three persons to serve as directors until the 2015 Annual Meeting of Stockholders and until their successors are elected;

(2) the ratification of the appointment of Deloitte & Touche LLP as the Company’s independent registered public accounting firm for the fiscal year ending August 31, 2012;

(3) the approval, on an advisory, non-binding basis, of the compensation of the Company’s named executive officers as disclosed in the Company’s proxy statement for the 2012 Annual Meeting; and

(4) the approval of an advisory, non-binding proposal to hold an advisory vote on executive compensation every year.

The following is a summary of the final voting results for each matter presented to the stockholders:

Election of Directors:

All three directors were elected to serve three-year terms expiring at the 2015 Annual Meeting of Stockholders.

Ratification of the Appointment of Deloitte & Touche LLP as the Company’s Independent Registered Public Accounting Firm:

Approval, on an advisory, non-binding basis, of the compensation of the Company’s named executive officers as disclosed in the Company’s proxy statement for the 2012 Annual Meeting:

Advisory, non-binding proposal, on the frequency of future advisory votes on executive compensation:

On February 3, 2012, the Company issued a press release (the “Press Release”) announcing the voting results of the Company’s Annual Meeting of Stockholders, held February 3, 2012, in Irving, Texas, whereby the Company’s stockholders elected Harold L. Adams, Joseph Alvarado, and Anthony A. Massaro as directors to serve until the 2015 Annual Meeting of Stockholders and until their successors are elected.

A copy of the Press Release is attached hereto as Exhibit 99.1. The Press Release is incorporated by reference into this Item 8.01, and the foregoing description of the Press Release is qualified in its entirety by reference to this exhibit.

(d) Exhibits

The following exhibit is furnished with this Form 8-K.

SIGNATURES

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

EXHIBIT INDEX