    <SEC-DOCUMENT>0000876661-20-000577-index.html : 20200722
    <SEC-HEADER>0000876661-20-000577.hdr.sgml : 20200722
    <ACCEPTANCE-DATETIME>20200722162944
    ACCESSION NUMBER:		0000876661-20-000577
    CONFORMED SUBMISSION TYPE:	CERT
    PUBLIC DOCUMENT COUNT:		1
    FILED AS OF DATE:		20200722
    DATE AS OF CHANGE:		20200722
    EFFECTIVENESS DATE:		20200722

    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:		CERT
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-14989
    		FILM NUMBER:		201041753

    	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>CERT
    <SEQUENCE>1
    <FILENAME>WCCPills072220.pdf
    <DESCRIPTION>NYSE CERTIFICATION FILING
    <TEXT>
    Document 1 - file: WCCPills072220.pdf

    </DOCUMENT>
    </SEC-DOCUMENT>