Heaven Hill is unquestionably the largest independent bourbon producer and the seventh largest spirits producer in the United States. Very attached to its roots, the distillery uses exclusively corn from the wide plains surrounding the distillery. Another particularity. Heaven Hill uses the same proportion of cereals for the elaboration of all its straight bourbons. Elijah Craig, Old Fitzgerald and Evan Williams. Heaven Hill can also boast with Bernheim Original to have revived a long disappeared category of whiskey, the straight wheat whiskey.