-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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 Y1O2m7N7xbtE9lvUyIT4aw==

<SEC-DOCUMENT>0001140361-05-007639.txt : 20050922
<SEC-HEADER>0001140361-05-007639.hdr.sgml : 20050922
<ACCEPTANCE-DATETIME>20050922200725
ACCESSION NUMBER:		0001140361-05-007639
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20050908
FILED AS OF DATE:		20050922
DATE AS OF CHANGE:		20050922

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			KATY INDUSTRIES INC
		CENTRAL INDEX KEY:			0000054681
		STANDARD INDUSTRIAL CLASSIFICATION:	SPECIAL INDUSTRY MACHINERY, NEC [3559]
		IRS NUMBER:				751277589
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		765 STRAITS TURNPIKE
		STREET 2:		SUITE 2000
		CITY:			MIDDLEBURY
		STATE:			CT
		ZIP:			06762
		BUSINESS PHONE:		2035980397

	MAIL ADDRESS:	
		STREET 1:		765 STRAITS TURNPIKE
		STREET 2:		SUITE 2000
		CITY:			MIDDLEBURY
		STATE:			CT
		ZIP:			06762

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Mills Keith
		CENTRAL INDEX KEY:			0001339508

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-05558
		FILM NUMBER:		051099026

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		203 598 0397

	MAIL ADDRESS:	
		STREET 1:		C/O KATY INDUSTRIES, INC.
		STREET 2:		765 STRAITS TURNPIKE, SUITE 2000
		CITY:			MIDDLEBURY
		STATE:			CT
		ZIP:			06762
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2005-09-08</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000054681</issuerCik>
        <issuerName>KATY INDUSTRIES INC</issuerName>
        <issuerTradingSymbol>KT</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001339508</rptOwnerCik>
            <rptOwnerName>Mills Keith</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O KATY INDUSTRIES, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>765 STRAITS TURNPIKE, SUITE 2000</rptOwnerStreet2>
            <rptOwnerCity>MIDDLEBURY</rptOwnerCity>
            <rptOwnerState>CT</rptOwnerState>
            <rptOwnerZipCode>06762</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>VP - International Operations</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>Option to Purchase Common Stock</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>9.875</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>1999-12-10</value>
            </exerciseDate>
            <expirationDate>
                <value>2009-12-10</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Option to Purchase Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>11600</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Stock Appreciation Rights</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>3.15</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2002-11-22</value>
            </exerciseDate>
            <expirationDate>
                <value>2012-11-22</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Stock Appreciation Rights</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>18450</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">The exercisable date, conversion price, and expiration date on the stock options reflect information from the most recent grant date.  The Reporting Person has received stock options from 1995 to 1999 with conversion prices ranging from $9.875 to $19.56.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Michael C. Paul</signatureName>
        <signatureDate>2005-09-22</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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