<SEC-DOCUMENT>0001193125-17-196126-index.html : 20170606
<SEC-HEADER>0001193125-17-196126.hdr.sgml : 20170606
<ACCEPTANCE-DATETIME>20170606172821
ACCESSION NUMBER:		0001193125-17-196126
CONFORMED SUBMISSION TYPE:	S-8
PUBLIC DOCUMENT COUNT:		4
FILED AS OF DATE:		20170606
DATE AS OF CHANGE:		20170606
EFFECTIVENESS DATE:		20170606

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:		S-8
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-218541
		FILM NUMBER:		17894999

	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>
<DOCUMENT>
<TYPE>S-8
<SEQUENCE>1
<FILENAME>d404153ds8.htm
<DESCRIPTION>S-8
<TEXT>
Document 1 - file: d404153ds8.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>2
<FILENAME>d404153dex51.htm
<DESCRIPTION>EX-5.1
<TEXT>
Document 2 - file: d404153dex51.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>3
<FILENAME>d404153dex231.htm
<DESCRIPTION>EX-23.1
<TEXT>
Document 3 - file: d404153dex231.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g404153g47e12.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: g404153g47e12.jpg

</DOCUMENT>
</SEC-DOCUMENT>