Nestlé Purina PetCare (/pjʊˈriːnə/), or simply Purina, is an American subsidiary of the Swiss corporation Nestlé, based in St. Louis, Missouri. It produces and markets pet food, treats, cat and dog litter. Some of its pet food brands include Purina Pro Plan, Purina Dog Chow, Friskies, Beneful and Purina One.