L Laboratory Corp. of America TM Holdings Lam Research Corp. Lamson & Sessions Co. LandAmerica Financial Group Inc. LaSalle National Bank Law Co. Inc. Law Cos. Group Inc. Lehigh Portland Cement Co. Leo Burnett Co. Inc. Levi Strauss & Co. LEXIS-NEXIS Lexmark International Inc. Libbey-Owens Ford Co. Liberty Corp.

Lincoln Financial Group Link Engineering Co. Inc. Thomas J. Lipton Co. Litton Itek Optical Systems Liz Claiborne Inc. Lockheed Martin Corp. Loews Corp. Lone Star Industries Inc. Lotus Development Corp. Louisiana Power & Light Co. Lubrizol Corp. Lucent Technologies Lucky Stores Inc. Lukens Inc.