Walter Coke Inc. is one of the oldest industrial companies in Birmingham, Ala. It is a manufacturer of furnace and foundry coke, mineral wool and specialty chemicals. The company has been one of the nation s leading manufacturers of coke since 1920 and produces more than 460,000 tons of coke annually. Coke products include blast furnace coke, foundry, coke and buckwheat coke. The fiber division...