World Fuel Services / Geico / Mr. Buffett / Alcon Laboratories / Bank of New York Martin Marietta / Mid-American / Lab Corp / Thor Industries / Wells Fargo & Co. / Martin Marietta Materials Lab Corp. / Nestle / 2013 Mohawk AbbVie Inc. / ITT / Berkshire Hathaway / Mercury General / BNSF / Teledyne / US Bancorp / Lubrizol / UnitedHealth / Marmon / TJX Companies / Keefe / Bruyette & Woods / Bank of New York Co. / Iscar / Abbott Laboratories / Brown & Brown Pepsico Inc. / include visiting potential Berkshire-like companies / /