<SEC-DOCUMENT>0001209191-21-056182.txt : 20210915
<SEC-HEADER>0001209191-21-056182.hdr.sgml : 20210915
<ACCEPTANCE-DATETIME>20210915164110
ACCESSION NUMBER:		0001209191-21-056182
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20210913
FILED AS OF DATE:		20210915
DATE AS OF CHANGE:		20210915

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Squires Nelson John III
		CENTRAL INDEX KEY:			0001790020

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-14989
		FILM NUMBER:		211255763

	MAIL ADDRESS:	
		STREET 1:		225 W. STATION SQUARE
		CITY:			PITTSBURGH
		STATE:			PA
		ZIP:			15219

ISSUER:		

	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

	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>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
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            <rptOwnerStreet2>SUITE 700</rptOwnerStreet2>
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            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>15219</rptOwnerZipCode>
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                <transactionShares>
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                <transactionPricePerShare>
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                <sharesOwnedFollowingTransaction>
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                <directOrIndirectOwnership>
                    <value>D</value>
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        </nonDerivativeTransaction>
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                <natureOfOwnership>
                    <value>Shares held by spouse</value>
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    <derivativeTable>
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            <transactionTimeliness>
                <value></value>
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            <transactionAmounts>
                <transactionShares>
                    <value>5925</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F5"/>
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            <expirationDate>
                <footnoteId id="F5"/>
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            <underlyingSecurity>
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                    <value>0</value>
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                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
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        <derivativeTransaction>
            <securityTitle>
                <value>Stock Appreciation Rights</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>42.44</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2021-09-13</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>13631</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
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            <exerciseDate>
                <footnoteId id="F6"/>
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            <expirationDate>
                <footnoteId id="F6"/>
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            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>13631</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
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                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
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            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
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        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Represents weighted average price paid for the shares sold at prices ranging from $112.74 to $112.78. Upon request by the SEC, the Issuer or a stockholder of the Issuer, complete information regarding the number of shares sold at each price within the range will be provided.</footnote>
        <footnote id="F2">Represents weighted average price paid for the shares sold at prices ranging from $111.48 to $112.47. Upon request by the SEC, the Issuer or a stockholder of the Issuer, complete information regarding the number of shares sold at each price within the range will be provided.</footnote>
        <footnote id="F3">Represents weighted average price paid for the shares sold at prices ranging from $112.50 to $112.69. Upon request by the SEC, the Issuer or a stockholder of the Issuer, complete information regarding the number of shares sold at each price within the range will be provided.</footnote>
        <footnote id="F4">Represents weighted average price paid for the shares sold at prices ranging from $111.49 to $112.025. Upon request by the SEC, the Issuer or a stockholder of the Issuer, complete information regarding the number of shares sold at each price within the range will be provided.</footnote>
        <footnote id="F5">The Stock Appreciation Rights became excisable in three (3) equal, annual installments beginning on the first anniversary of the February 5, 2016 grant date.</footnote>
        <footnote id="F6">The Stock Appreciation Rights became excisable in three (3) equal, annual installments beginning on the first anniversary of the February 16, 2016 grant date.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Diane E. Lazzaris, as Attorney-in-Fact</signatureName>
        <signatureDate>2021-09-15</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
