Post Holdings, Inc. engages in the manufacture, marketing, and distribution of branded ready-to-eat cereals in the United States and Canada. Its brand portfolio includes Honey Bunches of Oats, Pebbles, Post Selects, Great Grains, Spoon Size Shredded Wheat, Post Raisin Bran, Grape-Nuts, Good Morenings, Honeycomb, Shreddies, Golden Crisp, Alpha-Bits, Waffle Crisp, Post Shredded Wheat, Post Raisin Bran, and Grape-Nuts. Post Holdings, Inc. sells its products directly and through broker organizations primarily to grocery stores, mass merchandisers, supercenters, club stores, and drug stores. The company was founded in 1895 and is headquartered in St. Louis, Missouri.