Rolf C. Hagen (USA) Corporation claims to make “smart pet care products based on animal instincts, under the brand names Fluval, Exo Terra, Laguna, Living World, Dogit, and Catit.
Canidae Corporation makes pet foods that are purportedly nutritionally dense.
Manna Pro Products, LLC offers feed, supplements, and health products for poultry, horses, livestock, and pets.
Midwestern Pet Foods, Inc. makes pet food, under brand names such as Sportmix, Pro Pac, and Nunn Better.
Earth Animal Ventures, Inc. makes dog food, chews, treats, and supplements.
Protein Solutions, LLC makes dried protein products for pet foods using a proprietary Protein Dried technology that uses organic and natural methods to preserve and dehydrate organic material.
Hill’s Pet Nutrition, Inc., a subsidiary of Colgate-Palmolive, makes food for dogs and cats.
Champion Petfoods LP is a Canadian company that makes pet food for dogs and cats under the brand names Orijen and Acana, which it sells in the US and Canada.
Centinela Feed Inc. is a family-owned store that sells pet and animal feed, for dogs, cats, birds, and small animals.
Evanger’s Dog and Cat Food Co., Inc. was founded in 1935 and makes dog and cat foods, including kosher pet foods. It claims to offer, among other things, "hand-packed" food that are cooked inside their sealed cans to retain nutrition and flavor.