Now you can buy 11 certificates in one package from Different Industries including Railroads, Oil, Banking, Airlines, Mining, Automobiles, Chemicals, Theatres, and Communications. These companies include New York Central, Ashland Oil, Irving Trust, Pan American World Airways, Missouri Pacific, Consolidated Coppermines Corporation, General Motors, Broadband.com, Massey-Ferguson, Cinerama, and American Telephone and Telegraph.