Pinnacle is a line of holistic natural food for dogs and cats manufactured by Breeder's Choice, Inc. of Irwindale, California and founded by Harold Taylor in 1947. IngredientsKey ingredients in Pinnacle dog foods are the meats of duck, chicken, and trout. Other ingredients found in Pinnacle dog foods are potatoes, oatmeal, oat flour, potato fiber, canola oil, toasted oats, flaxseed, quinoa, grapeseed oil, lecithin, rosemary, sage, papain, red and green bell peppers, broccoli, peas, tomato flakes, celery, garlic, spinach parsley, and dried lactobacillus acidophilus.Key ingredients in Pinnacle cat foods are chicken, lamb, and salmon. Other ingredients found in Pinnacle cat foods are chicken meal, corn, ground whole wheat, ground rice, chicken fat, corn gluten meal, tomato pomace, yucca schidigera, oat bran, pea fiber, and flaxseed.Pinnacle foods are also free of chemical or artificial preservatives such as Ethoxyquin, BHA, and BHT.