Dog Chow is a name brand of dog food marketed and manufactured by Nestlé Purina PetCare. The brand's dry dog food is offered worldwide, in numerous formulas. Introduced in 1957, Dog Chow became the leading brand sold in the United States. It has since expanded its brand offerings to include products for young dogs, elderly dogs, and dogs needing a weight maintenance formula as well as extended to other types of pet food, including Puppy Chow, Cat Chow, and Kitten Chow.