-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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<SEC-DOCUMENT>0000024240-04-000062.txt : 20040519
<SEC-HEADER>0000024240-04-000062.hdr.sgml : 20040519
<ACCEPTANCE-DATETIME>20040519171240
ACCESSION NUMBER:		0000024240-04-000062
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20040517
FILED AS OF DATE:		20040519

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			TITANIUM METALS CORP
		CENTRAL INDEX KEY:			0001011657
		STANDARD INDUSTRIAL CLASSIFICATION:	SECONDARY SMELTING & REFINING OF NONFERROUS METALS [3341]
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-00640
		FILM NUMBER:		04819335

	BUSINESS ADDRESS:	
		STREET 1:		1999 BROADWAY
		STREET 2:		STE 4300
		CITY:			DENVER
		STATE:			CO
		ZIP:			80202
		BUSINESS PHONE:		3032965600

	MAIL ADDRESS:	
		STREET 1:		TITANIUM METALS CORP
		STREET 2:		1999 BROADWAY SUITE 4300
		CITY:			DENVER
		STATE:			CO
		ZIP:			80202

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			NL INDUSTRIES INC
		CENTRAL INDEX KEY:			0000072162
		STANDARD INDUSTRIAL CLASSIFICATION:	INDUSTRIAL INORGANIC CHEMICALS [2810]
		IRS NUMBER:				135267260
		STATE OF INCORPORATION:			NJ
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		5430 LBJ FREEWAY
		STREET 2:		SUITE 1700
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75240-2697
		BUSINESS PHONE:		972-233-1700

	MAIL ADDRESS:	
		STREET 1:		5430 LBJ FREEWAY
		STREET 2:		SUITE 1700
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75240-2697

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	NATIONAL LEAD CO
		DATE OF NAME CHANGE:	19710520

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			TIMET FINANCE MANAGEMENT CO
		CENTRAL INDEX KEY:			0001074791

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-00640
		FILM NUMBER:		04819330

	BUSINESS ADDRESS:	
		STREET 1:		913 N MARKET ST
		STREET 2:		SUITE 217
		CITY:			WILMINGTON
		STATE:			DE
		ZIP:			19801
		BUSINESS PHONE:		9722331700

	MAIL ADDRESS:	
		STREET 1:		913 N MARKET ST
		STREET 2:		SUITE 217
		CITY:			WILMINGTON
		STATE:			DE
		ZIP:			19801

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			CONTRAN CORP
		CENTRAL INDEX KEY:			0000024240
		STANDARD INDUSTRIAL CLASSIFICATION:	PERSONAL CREDIT INSTITUTIONS [6141]
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-00640
		FILM NUMBER:		04819329

	BUSINESS ADDRESS:	
		STREET 1:		5430 LBJ FRWY
		STREET 2:		SUITE 1700
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75240
		BUSINESS PHONE:		9724504228

	MAIL ADDRESS:	
		STREET 1:		5430 LBJ FRWY
		STREET 2:		SUITE 1700
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75240

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			VALHI INC /DE/
		CENTRAL INDEX KEY:			0000059255
		STANDARD INDUSTRIAL CLASSIFICATION:	SUGAR & CONFECTIONERY PRODUCTS [2060]
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-00640
		FILM NUMBER:		04819328

	BUSINESS ADDRESS:	
		STREET 1:		5430 LBJ FRWY
		STREET 2:		STE 1700
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75240
		BUSINESS PHONE:		9722331700

	MAIL ADDRESS:	
		STREET 1:		THREE LINCOLN CENTER
		STREET 2:		5430 LBJ FREEWAY SUITE 1700
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75240

	FORMER NAME:	
		FORMER CONFORMED NAME:	LLC CORP
		DATE OF NAME CHANGE:	19870329

	FORMER NAME:	
		FORMER CONFORMED NAME:	LIBERTY LOAN CORP
		DATE OF NAME CHANGE:	19800414

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			NATIONAL CITY LINES INC
		CENTRAL INDEX KEY:			0000069972
		STANDARD INDUSTRIAL CLASSIFICATION:	LAND SUBDIVIDERS & DEVELOPERS (NO CEMETERIES) [6552]
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0630

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-00640
		FILM NUMBER:		04819337

	BUSINESS ADDRESS:	
		STREET 1:		5430 LBJ FREEWAY
		STREET 2:		SUITE 1700
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75240
		BUSINESS PHONE:		2149340233

	MAIL ADDRESS:	
		STREET 1:		5430 LBJ FREEWAY
		STREET 2:		SUITE 1700
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75240

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			TREMONT LLC
		CENTRAL INDEX KEY:			0000842718
		STANDARD INDUSTRIAL CLASSIFICATION:	PRIMARY SMELTING & REFINING OF NONFERROUS METALS [3330]
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-00640
		FILM NUMBER:		04819336

	BUSINESS ADDRESS:	
		STREET 1:		5430 LBJ FREEWAY
		STREET 2:		SUITE 1700
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75240
		BUSINESS PHONE:		9722331700

	MAIL ADDRESS:	
		STREET 1:		5430 LBJ FREEWAY
		STREET 2:		SUITE 1700
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75240

	FORMER NAME:	
		FORMER CONFORMED NAME:	TREMONT CORPORATION
		DATE OF NAME CHANGE:	19920703

	FORMER NAME:	
		FORMER CONFORMED NAME:	BAROID CORPORATION
		DATE OF NAME CHANGE:	19901029

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SIMMONS HAROLD C
		CENTRAL INDEX KEY:			0001037854
		STATE OF INCORPORATION:			TX
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-00640
		FILM NUMBER:		04819334

	BUSINESS ADDRESS:	
		STREET 1:		THREE LINCOLN CENTRE
		STREET 2:		5430 LBJ FREEWAY STE 1700
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75240-2697
		BUSINESS PHONE:		9722331700

	MAIL ADDRESS:	
		STREET 1:		THREE LINCOLN CENTRE
		STREET 2:		5430 LBJ FREEWAY STE 1700
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75240-2697

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			DIXIE RICE AGRICULTURE CORP INC
		CENTRAL INDEX KEY:			0001074787

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-00640
		FILM NUMBER:		04819333

	BUSINESS ADDRESS:	
		STREET 1:		5430 LBJ FREEWAY
		STREET 2:		SUITE 1700
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75240
		BUSINESS PHONE:		9722331700

	MAIL ADDRESS:	
		STREET 1:		600 PASQUIERE ST
		CITY:			GUEYDAN
		STATE:			LA
		ZIP:			70542

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			NOA INC
		CENTRAL INDEX KEY:			0001074789

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-00640
		FILM NUMBER:		04819332

	BUSINESS ADDRESS:	
		STREET 1:		5430 LBJ FREEWAY
		STREET 2:		SUITE 1700
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75240
		BUSINESS PHONE:		9722331700

	MAIL ADDRESS:	
		STREET 1:		5430 LBJ FREEWAY
		STREET 2:		SUITE 1700
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75240

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SOUTHWEST LOUISIANA LAND CO INC
		CENTRAL INDEX KEY:			0001074790

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-00640
		FILM NUMBER:		04819331

	BUSINESS ADDRESS:	
		STREET 1:		5430 LBJ FREEWAY
		STREET 2:		SUITE 1700
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75240
		BUSINESS PHONE:		9722331700

	MAIL ADDRESS:	
		STREET 1:		402 CANAL ST
		CITY:			HOUMA
		STATE:			LA
		ZIP:			70360
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>tfmcnli40519_ex.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2004-05-17</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000072162</issuerCik>
        <issuerName>NL INDUSTRIES INC</issuerName>
        <issuerTradingSymbol>NL</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000024240</rptOwnerCik>
            <rptOwnerName>CONTRAN CORP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>5430 LBJ FRWY</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 1700</rptOwnerStreet2>
            <rptOwnerCity>DALLAS</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>75240</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000059255</rptOwnerCik>
            <rptOwnerName>VALHI INC /DE/</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>5430 LBJ FRWY</rptOwnerStreet1>
            <rptOwnerStreet2>STE 1700</rptOwnerStreet2>
            <rptOwnerCity>DALLAS</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>75240</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000069972</rptOwnerCik>
            <rptOwnerName>NATIONAL CITY LINES INC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>5430 LBJ FREEWAY</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 1700</rptOwnerStreet2>
            <rptOwnerCity>DALLAS</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>75240</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000842718</rptOwnerCik>
            <rptOwnerName>TREMONT LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>5430 LBJ FREEWAY</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 1700</rptOwnerStreet2>
            <rptOwnerCity>DALLAS</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>75240</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001011657</rptOwnerCik>
            <rptOwnerName>TITANIUM METALS CORP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1999 BROADWAY</rptOwnerStreet1>
            <rptOwnerStreet2>STE 4300</rptOwnerStreet2>
            <rptOwnerCity>DENVER</rptOwnerCity>
            <rptOwnerState>CO</rptOwnerState>
            <rptOwnerZipCode>80202</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001037854</rptOwnerCik>
            <rptOwnerName>SIMMONS HAROLD C</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>THREE LINCOLN CENTRE</rptOwnerStreet1>
            <rptOwnerStreet2>5430 LBJ FREEWAY STE 1700</rptOwnerStreet2>
            <rptOwnerCity>DALLAS</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>75240-2697</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chairman of the Board &amp; CEO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001074787</rptOwnerCik>
            <rptOwnerName>DIXIE RICE AGRICULTURE CORP INC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>5430 LBJ FREEWAY</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 1700</rptOwnerStreet2>
            <rptOwnerCity>DALLAS</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>75240</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001074789</rptOwnerCik>
            <rptOwnerName>NOA INC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>5430 LBJ FREEWAY</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 1700</rptOwnerStreet2>
            <rptOwnerCity>DALLAS</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>75240</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001074790</rptOwnerCik>
            <rptOwnerName>SOUTHWEST LOUISIANA LAND CO INC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>5430 LBJ FREEWAY</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 1700</rptOwnerStreet2>
            <rptOwnerCity>DALLAS</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>75240</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001074791</rptOwnerCik>
            <rptOwnerName>TIMET FINANCE MANAGEMENT CO</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>913 N MARKET ST</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 217</rptOwnerStreet2>
            <rptOwnerCity>WILMINGTON</rptOwnerCity>
            <rptOwnerState>DE</rptOwnerState>
            <rptOwnerZipCode>19801</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common stock $0.125 par value</value>
            </securityTitle>
            <transactionDate>
                <value>2004-05-17</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>129600</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>10.88</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>129600</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>by TFMC</value>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common stock $0.125 par value</value>
            </securityTitle>
            <transactionDate>
                <value>2004-05-18</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>20400</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>10.9968</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>150000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>by TFMC</value>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common stock $0.125 par value</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>30135390</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>by Valhi</value>
                    <footnoteId id="F3"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common stock $0.125 par value</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>10215541</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>by Tremont</value>
                    <footnoteId id="F4"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Open market purchase by TIMET Finance Management Company. See the Additional Information filed as an exhibit to this
statement for a description of the relationships among the persons joining in this filing.</footnote>
        <footnote id="F2">Directly held by TIMET Finance Management Company. See the Additional Information filed as an exhibit to this statement for
a description of the relationships among the persons joining in this filing.</footnote>
        <footnote id="F3">Directly held by Valhi, Inc. See the Additional Information filed as an exhibit to this statement for a description of the
relationships among the persons joining in this filing.</footnote>
        <footnote id="F4">Directly held by Tremont LLC. See the Additional Information filed as an exhibit to this statement for a description of the
relationships among the persons joining in this filing.</footnote>
    </footnotes>

    <remarks>Mr. Harold C. Simmons and his spouse directly hold 23,800 and 69,475 shares, respectively, of the Common Stock of the issuer.
Mr. Simmons disclaims beneficial ownership of the shares of the issuer's common stock that his spouse owns.

This form is also filed on behalf of: Dixie Holding Company, 5430 LBJ Freeway, Suite 1700, Dallas, TX 75240, by /s/ A.
Andrew R. Louis, Secretary (signed 05/19/2004) and Valhi Group, Inc., 5430 LBJ Freeway, Suite 1700, Dallas, TX 75240, By:
/s/ A. Andrew R. Louis, Secretary (signed 05/19/2004).

See the Additional Information filed as an exhibit to this statement for a description of the relationships among the persons
joining in this filing.</remarks>

    <ownerSignature>
        <signatureName>A. Andrew R. Louis, Secretary, for Contran Corporation</signatureName>
        <signatureDate>2004-05-19</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>A. Andrew R. Louis, Secretary, for Valhi, Inc.</signatureName>
        <signatureDate>2004-05-19</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>A. Andrew R. Louis, Secretary, for National City Lines, Inc.</signatureName>
        <signatureDate>2004-05-19</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>A. Andrew R. Louis, Secretary, for Tremont LLC</signatureName>
        <signatureDate>2004-05-19</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>A. Andrew R. Louis, Assistant Secretary, for Titanium Metals Corporation</signatureName>
        <signatureDate>2004-05-19</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>A. Andrew R. Louis, Attorney in fact, for Harold C. Simmons</signatureName>
        <signatureDate>2004-05-19</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>A. Andrew R. Louis, Secretary, for Dixie Rice Agricultural Corporation, Inc.</signatureName>
        <signatureDate>2004-05-19</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>A. Andrew R. Louis, Secretary, for NOA, Inc.</signatureName>
        <signatureDate>2004-05-19</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>A. Andrew R. Louis, Secretary, for Southwest Louisiana Land Company, Inc.</signatureName>
        <signatureDate>2004-05-19</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Gregory M. Swalwell, Vice President, for TIMET Finance Management Company</signatureName>
        <signatureDate>2004-05-19</signatureDate>
    </ownerSignature>
</ownershipDocument>

</XML>
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</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99
<SEQUENCE>2
<FILENAME>nl40519.htm
<DESCRIPTION>ADDITIONAL INFORMATION
<TEXT>
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<HEAD>
<TITLE>
Additional Information
</TITLE>
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<BODY>
<P>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Valhi,                   Inc.
(&#147;Valhi&#148;),   Tremont  LLC   (&#147;Tremont&#148;)  and  TIMET  Finance
Management  Company  (&#147;TFMC&#148;)  are the direct holders of approximately
62.3%,  21.1% and 0.3%,  respectively,  of the  outstanding  common stock of the
issuer, NL Industries, Inc. (&#147;NL&#148;). Together, Valhi and Tremont may be
deemed to control  NL.  Valhi is the sole member of Tremont and may be deemed to
control Tremont.  Titanium Metals  Corporation  (&#147;TIMET&#148;)  is the sole
stockholder  of TFMC and may be deemed to control  TFMC.  Tremont,  The Combined
Master Retirement Trust (the  &quot;CMRT&quot;) and Valhi are the direct holders
of approximately 39.7%, 8.4% and 1.1%, of the outstanding shares of TIMET common
stock. Valhi also directly holds 14,700 6 5/8% Convertible Preferred Securities,
Beneficial  Unsecured  Convertible  Securities of the TIMET Capital Trust I (the
&quot;BUCs&quot;)  that are convertible into 1,968 shares of TIMET common stock,
or approximately  0.1% of the outstanding  shares of TIMET common stock assuming
the full conversion of only the BUCs Valhi directly holds.  The spouse of Harold
C. Simmons  directly  holds  1,600,000  BUCs that are  convertible  into 214,240
shares of TIMET common stock, or approximately 6.3% of the outstanding shares of
TIMET common stock  assuming the full  conversion  of only the BUCs she directly
holds.   Valhi  Group,  Inc.   (&#147;VGI&#148;),   National  City  Lines,  Inc.
(&#147;National&#148;),  Contran Corporation  (&#147;Contran&#148;),  the Harold
Simmons  Foundation,  Inc. (the  &#147;Foundation&#148;),  the Contran  Deferred
Compensation  Trust  No. 2 (the  &#147;CDCT  No.  2&#148;)  and the CMRT are the
direct holders of 77.6%,  9.1% 3.1%, 0.9%, 0.4% and 0.1%,  respectively,  of the
common  stock of Valhi.  Together,  VGI,  National  and Contran may be deemed to
control Valhi. National,  NOA, Inc.  (&#147;NOA&#148;) and Dixie Holding Company
(&#147;Dixie Holding&#148;) are the direct holders of approximately 73.3%, 11.4%
and 15.3%,  respectively,  of the  outstanding  common  stock of VGI.  Together,
National,  NOA and Dixie  Holding may be deemed to control VGI.  Contran and NOA
are the direct holders of approximately  85.7% and 14.3%,  respectively,  of the
outstanding  common  stock of  National  and  together  may be deemed to control
National.    Contran   and    Southwest    Louisiana    Land    Company,    Inc.
(&#147;Southwest&#148;) are the direct holders of approximately 49.9% and 50.1%,
respectively,  of the outstanding common stock of NOA and together may be deemed
to  control  NOA.  Dixie  Rice  Agricultural   Corporation,   Inc.  (&#147;Dixie
Rice&#148;)  is the direct  holder of 100% of the  outstanding  common  stock of
Dixie Holding and may be deemed to control Dixie Holding.  Contran is the holder
of 100% of the  outstanding  common  stock of Dixie  Rice and may be  deemed  to
control  Dixie Rice.  Contran is also the holder of  approximately  88.9% of the
outstanding common stock of Southwest and may be deemed to control Southwest.
</P>

<P>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Substantially      all     of
Contran&#146;s  outstanding  voting stock is held by trusts  established for the
benefit  of  certain  children  and  grandchildren  of  Harold C.  Simmons  (the
&#147;Trusts&#148;), of which Mr. Simmons is the sole trustee, or is held by Mr.
Simmons or persons or entities  related to Mr.  Simmons.  As sole trustee of the
Trusts,  Mr.  Simmons  has the power to vote and direct the  disposition  of the
shares of Contran  stock held by the Trusts.  Mr.  Simmons,  however,  disclaims
beneficial ownership of any shares of Contran stock that the Trusts hold.
</P>

<P>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Harold   C.  Simmons  is  the
chairman of the board and chief executive officer of the issuer and the chairman
of the board of each of Tremont, Valhi, VGI, National, NOA, Dixie Holding, Dixie
Rice, Southwest and Contran.</P>

<P>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The Foundation directly holds
approximately  0.9% of the outstanding  Valhi common stock.  The Foundation is a
tax-exempt  foundation organized for charitable  purposes.  Harold C. Simmons is
the chairman of the board and chief executive  officer of the Foundation and may
be deemed to control the Foundation.</P>

<P>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The  CDCT No. 2  directly
holds  approximately  0.4% of the  outstanding  Valhi common  stock.  U.S.  Bank
National  Association  serves  as  the  trustee  of  the  CDCT  No.  2.  Contran
established the CDCT  No.&#160;2 as an irrevocable  &#147;rabbi  trust&#148;  to
assist Contran in meeting certain deferred compensation obligations that it owed
to Harold C. Simmons.  If the CDCT No. 2 assets are insufficient to satisfy such
obligations,  Contran is obligated to satisfy the balance of such obligations as
they come due. Pursuant to the terms of the CDCT No.&#160;2, Contran (i) retains
the power to vote the shares of Valhi common stock held directly by the CDCT No.
2; (ii) retains  dispositive  power over such shares and (iii) may be deemed the
indirect beneficial owner of such shares.</P>

     <P>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The  CMRT directly holds
approximately  8.4% of the outstanding  shares of TIMET common stock and 0.1% of
the  outstanding  shares of Valhi common stock.  Valhi  established  the CMRT to
permit the  collective  investment  by master trusts that maintain the assets of
certain  employee  benefit plans Valhi and related  companies  adopt.  Harold C.
Simmons  is the sole  trustee  of the CMRT and a member of the trust  investment
committee for the CMRT.  Valhi&#146;s board of directors selects the trustee and
members  of the trust  investment  committee  for the  CMRT.  Mr.  Simmons  is a
participant in one or more of the employee benefit plans that invest through the
CMRT. He disclaims  beneficial  ownership of the shares held by the CMRT, except
to the extent of his  individual  vested  beneficial  interest,  if any,  in the
assets held by the CMRT.</P>

<P>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Valmont  Insurance Company, a
wholly owned subsidiary of Valhi  (&#147;Valmont&#148;),  NL and a subsidiary of
NL  directly  own  1,000,000  shares,  3,522,967  shares and  1,186,200  shares,
respectively,  of Valhi common stock.  Valhi is the sole  stockholder of Valmont
and may be deemed to control Valmont. Pursuant to Delaware law, Valhi treats the
shares of Valhi  common  stock that  Valmont,  NL and the  subsidiary  of NL own
directly  as treasury  stock for voting  purposes  and for the  purposes of this
statement are not deemed outstanding.</P>

<P>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;By  virtue of the  holding of
the offices,  the stock  ownership and his service as trustee,  all as described
above, (a) Mr. Simmons may be deemed to control the entities described above and
(b) Mr.  Simmons and certain of such entities may be deemed to possess  indirect
beneficial  ownership of shares of NL common stock that Valhi,  Tremont and TFMC
hold directly. However, Mr. Simmons disclaims beneficial ownership of the shares
of NL common stock beneficially  owned,  directly or indirectly,  by any of such
entities.</P>

<P>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Harold  C. Simmons' spouse is
the direct owner of 69,475  shares of NL common stock and  1,600,000  BUCs.  Mr.
Simmons may be deemed to share indirect beneficial ownership of such securities.
Mr. Simmons  disclaims  beneficial  ownership of all securities  that his spouse
holds directly.</P>

<P>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;A  trust of which  Harold  C.
Simmons  and  his  spouse  are  co-trustees  and  the   beneficiaries   are  the
grandchildren of his spouse is the direct holder of 4,760 shares of TIMET common
stock. Mr. Simmons disclaims beneficial ownership of these shares</P>
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