Company:  WESCO INTERNATIONAL INC (WCC)
Form Type:  4
Filing Date:  11/14/2011 
CIK:  0000929008 
Address:  225 WEST STATION SQUARE DRIVE
STE 700
 
City, State, Zip:  PITTSBURGH, Pennsylvania 15219 
Telephone:  (412) 454-2200 
Fiscal Year:  12/31 
Last Trade
Last Trade: 
$77.71  
Change: 
-0.12 (-0.15%)  
Trade Time: 
04:02 PM EST  
Market Cap: 
$3.43B
Description of Business
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  FORM 4
    NAME AND TITLE
    NON DERIVATIVE SECURITIES
    DERIVATIVE SECURITIES
    EXPLANATIONS AND REMARKS
    REPORTING OWNERS
    SIGNATURES