<SEC-DOCUMENT>0001193125-16-805610-index.html : 20161228
<SEC-HEADER>0001193125-16-805610.hdr.sgml : 20161228
<ACCEPTANCE-DATETIME>20161228161603
ACCESSION NUMBER:		0001193125-16-805610
CONFORMED SUBMISSION TYPE:	424B3
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20161228
DATE AS OF CHANGE:		20161228

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:		424B3
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-215008
		FILM NUMBER:		162072775

	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

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			WESCO DISTRIBUTION INC
		CENTRAL INDEX KEY:			0001064796
		STANDARD INDUSTRIAL CLASSIFICATION:	WHOLESALE-ELECTRICAL APPARATUS & EQUIPMENT, WIRING SUPPLIES [5063]
		IRS NUMBER:				251723345
		STATE OF INCORPORATION:			DE

	FILING VALUES:
		FORM TYPE:		424B3
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-215008-01
		FILM NUMBER:		162072776

	BUSINESS ADDRESS:	
		STREET 1:		COMMERCE COURT
		STREET 2:		4 STATION SQUARE SUITE 700
		CITY:			PITTSBURG
		STATE:			PA
		ZIP:			15219
		BUSINESS PHONE:		4124542254
</SEC-HEADER>
<DOCUMENT>
<TYPE>424B3
<SEQUENCE>1
<FILENAME>d305791d424b3.htm
<DESCRIPTION>424B3
<TEXT>
Document 1 - file: d305791d424b3.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>g305791g27a10.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: g305791g27a10.jpg

</DOCUMENT>
</SEC-DOCUMENT>