    <SEC-DOCUMENT>0000059255-25-000019-index.html : 20250331
    <SEC-HEADER>0000059255-25-000019.hdr.sgml : 20250331
    <ACCEPTANCE-DATETIME>20250331162241
    ACCESSION NUMBER:		0000059255-25-000019
    CONFORMED SUBMISSION TYPE:	ARS
    PUBLIC DOCUMENT COUNT:		1
    CONFORMED PERIOD OF REPORT:	20241231
    FILED AS OF DATE:		20250331
    DATE AS OF CHANGE:		20250331
    EFFECTIVENESS DATE:		20250331

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			NL INDUSTRIES INC
    		CENTRAL INDEX KEY:			0000072162
    		STANDARD INDUSTRIAL CLASSIFICATION:	INDUSTRIAL INORGANIC CHEMICALS [2810]
    		ORGANIZATION NAME:           	08 Industrial Applications and Services
    		EIN:				135267260
    		STATE OF INCORPORATION:			NJ
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		ARS
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-00640
    		FILM NUMBER:		25793610

    	BUSINESS ADDRESS:
    		STREET 1:		5430 LBJ FREEWAY
    		STREET 2:		SUITE 1700
    		CITY:			DALLAS
    		STATE:			TX
    		ZIP:			75240-2620
    		BUSINESS PHONE:		972-233-1700

    	MAIL ADDRESS:
    		STREET 1:		5430 LBJ FREEWAY
    		STREET 2:		SUITE 1700
    		CITY:			DALLAS
    		STATE:			TX
    		ZIP:			75240-2620

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	NATIONAL LEAD CO
    		DATE OF NAME CHANGE:	19710520
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>ARS
    <SEQUENCE>1
    <FILENAME>nlars25.pdf
    <TEXT>
    Document 1 - file: nlars25.pdf

    </DOCUMENT>
    </SEC-DOCUMENT>