EXHIBIT 21.1 SUBSIDIARIES OF THE REGISTRANT Jurisdiction of % of Voting Incorporation or Securities Name of Corporation Organization Held Amcorp, Inc. Delaware 100% The Amalgamated Sugar Company Utah 100 DRC Leasing Company Idaho 100 Valcor, Inc. Delaware 100 Medite Corporation Delaware 100 Medford International Holdings Republic of Ireland 100 Medite of Europe Limited Republic of Ireland 100 Medite Timber Acquisitions Corporation Delaware 100 National Cabinet Lock, Inc. Delaware 100 Waterloo Furniture Components Limited Canada 100 National Cabinet Lock of Canada Inc. Canada 100 Sybra, Inc. Michigan 100 Other wholly-owned Valmont Insurance Company Vermont 100 New England Insurance Services Company Vermont 100 Impex Realty Holding, Inc. Delaware 100 Medco FSC, Inc. U.S. Virgin Islands 100 NL Industries, Inc. (1) New Jersey 53 (1) Subsidiaries of NL are incorporated by reference to Exhibit 21.1 of NL's Annual Report on Form 10-K for the year ended December 31, 1994 (File No. 1-640).