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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 Ibn6bEcwy+uTdvU9DMZcrIMTo5D0++AK9QbkBnQTbG4xUgexNe3JWvpL5FrD35CG
 w6ZkVwZoHDWCYVbCGr0DHQ==

<SEC-DOCUMENT>9999999995-06-000790.txt : 20060719
<SEC-HEADER>9999999995-06-000790.hdr.sgml : 20060719
<ACCEPTANCE-DATETIME>20060719001515
ACCESSION NUMBER:		9999999995-06-000790
CONFORMED SUBMISSION TYPE:	EFFECT
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20060718
DATE AS OF CHANGE:		20060719
EFFECTIVENESS DATE:		20060718

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:				251723345
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		EFFECT
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-133423-01
		FILM NUMBER:		06968185

	BUSINESS ADDRESS:	
		STREET 1:		COMMERCE COURT 4 STATION SQUARE
		STREET 2:		STE 700
		CITY:			PITTSBURGH
		STATE:			PA
		ZIP:			15219
		BUSINESS PHONE:		4124542200

	MAIL ADDRESS:	
		STREET 1:		COMMERCE COURT 4 STATION SQUARE
		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:		EFFECT
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-133423
		FILM NUMBER:		06968189

	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>EFFECT
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<edgarSubmission>

    <schemaVersion>X0101</schemaVersion>

    <submissionType>EFFECT</submissionType>

    <act>33</act>

    <testOrLive>LIVE</testOrLive>

    <effectiveData>
        <finalEffectivenessDispDate>2006-07-18</finalEffectivenessDispDate>
        <accessionNumber>0000950152-06-005837</accessionNumber>
        <submissionType>POS AM</submissionType>
        <filer>
            <cik>0001064796</cik>
            <entityName>WESCO DISTRIBUTION INC</entityName>
            <fileNumber>333-133423</fileNumber>
        </filer>
        <filer>
            <cik>0000929008</cik>
            <entityName>WESCO INTERNATIONAL INC</entityName>
            <fileNumber>333-133423-01</fileNumber>
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