• La-Z-Boy Incorporated
• Laboratory Corporation of America Holdings
• Laclede Gas Company
• Ladenburg Thalmann Financial Services Incorporated
• Lafarge North America Incorporated
• Lake Shore Gold Corporation
• Lakes Entertainment Incorporated
• Lam Research Corporation
• Lamar Advertising Company
• Lancaster Colony Corporation
• Lance Incorporated
• LanChile SA
• Landauer Incorporated
• Landmark Communications Incorporated
• Landmark National Bank
• Landstar System Incorporated
• Lannett Company Incorporated
• Las Vegas Sands Corporation
• LaSalle Bank
• LaSalle National Corporation
• Laureate Education Inc.
• Lawson Software Incorporated
• Layne Christensen Company
• Lazard Limited
• Lazare Kaplan International Incorporated
• Leap Wireless International Incorporated
• Lear Corporation
• Leather Factory Incorporated, The
• LECG Corporation
• LeCroy Corporation
• Lee Enterprises Incorporated
• Legal & General Group Plc
• Legg Mason, Inc.
• Leggett & Platt Incorporated
• LEGO Group
• Lehman Brothers Holdings Inc.
• Lennar Corp.
• Lennox International Incorporated
• Lenovo Group, Ltd.
• Leucadia National Corporation
• Level 3 Communications Incorporated
• Levi Strauss & Co.
• Levitz Furniture Incorporated
• Lexar Media Incorporated
• Lexmark International Incorporated
• LHC Group
• Libbey Incorporated
• Liberty Bank
• Liberty Global Incorporated
• Liberty Media Corporation
• Liberty Property Trust
• Life Medical Corporation
• Life Sciences Institute Incorporated
• Life Time Fitness Incorporated
• LifeCell Corporation
• LifePoint Hospitals Inc.
• Lifetime (tv network)
• Lifeway Foods Incorporated
• Lighting Science Group
• LightPath Technologies Incorporated
• Lilly Eli & Co
• Limited Inc., The
• Lin TV Corporation
• Lincoln Electric Holdings Incorporated
• Lincoln Logs Limited
• Lincoln National Corporation
• LinkedIn Corp.
• Linn Energy Llc
• Lion Brewery Incorporated, The
• Lions Gate Entertainment Corporation
• Liquidity Services Incorporated
• Lithia Motors Incorporated
• Littelfuse Incorporated
• Littlefield Corp.
• Live Nation
• Livent Incorporated
• LivingSocial, Inc.
• LKQ Corporation
• Lloyds TSB Group Plc
• LM Ericsson Telephone Co.
• Lockheed Martin Corp.
• Loews Corporation
• Logica Plc
• Logistical Support
• LoJack Corporation
• Lone Star Steakhouse & Saloon Incorporated
• Long Island Power Authority
• Longford Corporation
• LongHorn Steakhouse
• Longs Drug Stores Corporation
• Lonmin Plc
• Lord & Taylor
• Louisiana-Pacific Corporation
• Lowe's Companies Inc.
• LSI Corporation
• LTV Corporation
• Lubrizol Corporation
• Luby's Incorporated
• Lucent Technologies Incorporated
• Luna Gold Corporation
• Lutron Electronics Co., Inc.
• Luxottica Group SpA
• Luzerne National Bank Corporation
• LVMH Moet Hennessy Louis Vuitton SA
• Lyondell Chemical Company