http://www.tradingcardindex.com/Trading_Card_Manufacturers/Sports/Links to the best trading card sites including baseball cards, football cards, magic, yu-gi-oh and more. http://www.donruss.comCurrently produces football cards and previously was a manufacturer of baseball cards. Has been producing sports trading cards since 1970.Wed, 20 Dec 2006 05:08:15 GMThttp://www.itgtradingcards.com/Manufactures NHL-licensed hockey trading cards under the trade name of In The Game. In The Game has produced hockey cards since the 1998-99 season.Wed, 20 Dec 2006 05:03:12 GMThttp://www.topps.comManufactures Baseball, Football, Basketball and Hockey cards. Has produced sports trading cards since 1951.Wed, 20 Dec 2006 05:05:58 GMThttp://www.upperdeck.comManufacturer of Baseball, Basketball, Football and Hockey cards. Also has an entertainment division which makes Yu-Gi-Oh!, Marvel, DC Comics, World of Warcraft and other cards.Tue, 19 Dec 2006 00:24:39 GMT