EXHIBIT 23
Published on
EXHIBIT 23
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We consent to the incorporation by reference in the Registration Statement (Amendment No. 2 to
Form S-4 No. 333-139790) of Reliance Steel & Aluminum Co. and the related Prospectus, the
Registration Statement (Form S-8 No. 333-82060) pertaining to the Reliance Steel & Aluminum Co.
1994 Incentive and Non-Qualified Stock Option Plan, the Registration Statement (Form S-8 No.
333-133204) pertaining to the Earle M. Jorgensen Company 2004 Stock Incentive Plan, the
Registration Statement (Form S-8 No. 333-133221) pertaining to the Earle M. Jorgensen Retirement
Savings Plan, the Registration Statement (Form S-8 No. 333-136290) pertaining to the Reliance Steel
& Aluminum Co. Amended and Restated Stock Option and Restricted Stock Plan, and the Registration
Statement (Form S-8 No. 333-147226) pertaining to the Reliance Steel & Aluminum Co. Master 401(k)
Plan, the Earle M. Jorgensen Retirement Savings Plan, and the Precision Strip Retirement and
Savings Plan, of our reports dated February 28, 2008, with respect to the consolidated financial
statements and schedule of Reliance Steel & Aluminum Co. and the effectiveness of internal control
over financial reporting of Reliance Steel & Aluminum Co., included in this Annual Report (Form
10-K) for the year ended December 31, 2007.
| /s/ ERNST & YOUNG LLP | ||||
Los Angeles, California
February 28, 2008
February 28, 2008
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