-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 OESZcKxYJ5GRLt9vsohmiCIxBloRoD62UqrgUVWfsXZ1Ch3Z3B5hCvQNSdJdi768
 sedPjwePzL0d8BetZ3YEXg==

<SEC-DOCUMENT>0001140361-08-015823.txt : 20080626
<SEC-HEADER>0001140361-08-015823.hdr.sgml : 20080626
<ACCEPTANCE-DATETIME>20080626195818
ACCESSION NUMBER:		0001140361-08-015823
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20080209
FILED AS OF DATE:		20080626
DATE AS OF CHANGE:		20080626

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Evans Karen
		CENTRAL INDEX KEY:			0001408143

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-29423
		FILM NUMBER:		08920468

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		(610) 299-4445

	MAIL ADDRESS:	
		STREET 1:		C/O SIELOX, 170 EAST NINTH AVENUE
		CITY:			RUNNEMEDE
		STATE:			NJ
		ZIP:			08078

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SIELOX INC
		CENTRAL INDEX KEY:			0001053676
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-DETECTIVE, GUARD & ARMORED CAR SERVICES [7381]
		IRS NUMBER:				043351937
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		170 EAST NINTH AVENUE
		CITY:			RUNNEMEDE
		STATE:			NJ
		ZIP:			08078
		BUSINESS PHONE:		856-861-4579

	MAIL ADDRESS:	
		STREET 1:		170 EAST NINTH AVENUE
		CITY:			RUNNEMEDE
		STATE:			NJ
		ZIP:			08078

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	DYNABAZAAR INC
		DATE OF NAME CHANGE:	20030919

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	FAIRMARKET INC
		DATE OF NAME CHANGE:	19991209
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc1.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2008-02-09</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001053676</issuerCik>
        <issuerName>SIELOX INC</issuerName>
        <issuerTradingSymbol>SLXN.OB</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001408143</rptOwnerCik>
            <rptOwnerName>Evans Karen</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O SIELOX, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>170 EAST NINTH AVENUE</rptOwnerStreet2>
            <rptOwnerCity>RUNNEMEDE</rptOwnerCity>
            <rptOwnerState>NJ</rptOwnerState>
            <rptOwnerZipCode>08078</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>See Remarks</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable></nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Employee Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0.26</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2008-02-09</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>40000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2008-02-09</value>
            </exerciseDate>
            <expirationDate>
                <value>2018-02-09</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>40000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>40000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes></footnotes>

    <remarks>The Reporting Person is President of Sielox, LLC, a subsidiary of the Issuer</remarks>

    <ownerSignature>
        <signatureName>Karen Evans</signatureName>
        <signatureDate>2008-06-25</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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