<SEC-DOCUMENT>0001193125-17-125279-index.html : 20170417
<SEC-HEADER>0001193125-17-125279.hdr.sgml : 20170417
<ACCEPTANCE-DATETIME>20170417082202
ACCESSION NUMBER:		0001193125-17-125279
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		6
FILED AS OF DATE:		20170417
DATE AS OF CHANGE:		20170417
EFFECTIVENESS DATE:		20170417

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			WESCO INTERNATIONAL INC
		CENTRAL INDEX KEY:			0000929008
		STANDARD INDUSTRIAL CLASSIFICATION:	WHOLESALE-ELECTRICAL APPARATUS & EQUIPMENT, WIRING SUPPLIES [5063]
		IRS NUMBER:				251723342
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-14989
		FILM NUMBER:		17763602

	BUSINESS ADDRESS:	
		STREET 1:		225 WEST STATION SQUARE DRIVE
		STREET 2:		STE 700
		CITY:			PITTSBURGH
		STATE:			PA
		ZIP:			15219
		BUSINESS PHONE:		4124542200

	MAIL ADDRESS:	
		STREET 1:		225 WEST STATION SQUARE DRIVE
		STREET 2:		STE 700
		CITY:			PITTSBURGH
		STATE:			PA
		ZIP:			15219

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CDW HOLDING CORP
		DATE OF NAME CHANGE:	19971217
</SEC-HEADER>
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Document 1 - file: d323870ddefa14a.htm

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Document 2 - file: g323870naa01.jpg

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Document 3 - file: g323870naa02a.jpg

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Document 4 - file: g323870naa02b.jpg

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Document 5 - file: g323870naa03.jpg

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Document 6 - file: g323870naa04.jpg

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