Company:  MASTEC INC (MTZ)
Form Type:  11-K
Filing Date:  6/28/2012 
CIK:  0000015615 
Address:  800 S. DOUGLAS ROAD, 12TH FLOOR 
City, State, Zip:  CORAL GABLES, Florida 33134 
Telephone:  305-599-1800 
Fiscal Year:  12/31 
Last Trade
Last Trade: 
$33.04  
Change: 
0.89 (2.77%)  
Trade Time: 
May 17  
Market Cap: 
$2.54B
Description of Business
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  FORM 11-K
    REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
    STATEMENT OF NET ASSETS
    NOTES TO FINANCIAL STATEMENTS
    SCHEDULE OF NONEXEMPT TRANSACTIONS
    SCHEDULE OF ASSETS
    SCHEDULE OF TRANSACTIONS
    SIGNATURES
  EXHIBIT 23.1
    Consent of Independent Registered Public Accounting Firm