The Kellogg Company ( also Kellogg 's , Kellogg , and Kellogg 's of Battle Creek ) is an American multinational food manufacturing company headquartered in Battle Creek , Michigan , United States . Kellogg 's products are manufactured in 18 countries and marketed in over 180 countries . Kellogg 's largest factory is at Trafford Park in Trafford , Greater Manchester , United Kingdom , which is also the location of its European headquarters .
Kellogg's products are marketed in only one country.