<SEC-DOCUMENT>0001140361-20-014340-index.html : 20200619
<SEC-HEADER>0001140361-20-014340.hdr.sgml : 20200619
<ACCEPTANCE-DATETIME>20200619164304
ACCESSION NUMBER:		0001140361-20-014340
CONFORMED SUBMISSION TYPE:	8-A12B
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20200619
DATE AS OF CHANGE:		20200619

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:		8-A12B
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-14989
		FILM NUMBER:		20976189

	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>8-A12B
<SEQUENCE>1
<FILENAME>form8a12b.htm
<DESCRIPTION>8-A12B
<TEXT>
Document 1 - file: form8a12b.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-3.3
<SEQUENCE>2
<FILENAME>ex3_3.htm
<DESCRIPTION>EXHIBIT 3.3
<TEXT>
Document 2 - file: ex3_3.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-4.2
<SEQUENCE>3
<FILENAME>ex4_2.htm
<DESCRIPTION>EXHIBIT 4.2
<TEXT>
Document 3 - file: ex4_2.htm

</DOCUMENT>
</SEC-DOCUMENT>