WK Kellogg Co. is an American food manufacturing company, split from Kellogg's on October 2, 2023 and is headquartered in Battle Creek, Michigan. It was formed in October 2023 as part of Kellogg's hive-off of its North American cereal business.

Kellanova is an American multinational food manufacturing company headquartered in Chicago, Illinois, US. Kellogg's produces and markets convenience foods and snack foods, including crackers and toaster pastries, cereal, and markets their products by several well-known brands including the Kellogg's brand itself, Rice Krispies Treats, Pringles, Eggo, and Cheez-It, along with cereal internationally such as Corn Flakes, Rice Krispies, Frosties and Coco Pops.