-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 QHrHe8u3k8qN+F4rYgxvLhwXxwHybi4ecC5C/ObMUWAn6ajjli+8isu3ABHiq9wc
 tT+0DyvK/eWgWcsLhQ9TJw==

<SEC-DOCUMENT>9999999995-06-000203.txt : 20060607
<SEC-HEADER>9999999995-06-000203.hdr.sgml : 20060607
<ACCEPTANCE-DATETIME>20060607001513
ACCESSION NUMBER:		9999999995-06-000203
CONFORMED SUBMISSION TYPE:	EFFECT
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20060606
DATE AS OF CHANGE:		20060607
EFFECTIVENESS DATE:		20060606

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:	333-133422
		FILM NUMBER:		06890488

	BUSINESS ADDRESS:	
		STREET 1:		COMMERCE COURT
		STREET 2:		4 STATION SQUARE SUITE 700
		CITY:			PITTSBURG
		STATE:			PA
		ZIP:			15219
		BUSINESS PHONE:		4124542254

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:	333-133422-01
		FILM NUMBER:		06890489

	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
</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>2006-06-06</finalEffectivenessDispDate>
        <form>S-4</form>
        <filer>
            <cik>0001064796</cik>
            <entityName>WESCO DISTRIBUTION INC</entityName>
            <fileNumber>333-133422</fileNumber>
        </filer>
        <filer>
            <cik>0000929008</cik>
            <entityName>WESCO INTERNATIONAL INC</entityName>
            <fileNumber>333-133422-01</fileNumber>
        </filer>
    </effectiveData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----