Hartz Mountain Corporation is a brand that manufactures and markets almost 1500 products in the pet care category, including nutritional supplements, over-the-counter products, toys, training aids, and cleaning agents for dogs and cats. Hartz was founded by a German immigrant by the name of Max Stern back in 1926. Today, the company is owned by Unicharm. Unicharm is a Japanese company that manufactures household and pet goods. In addition to dogs, cats, birds, and fish, the Hartz Mountain is also known to cater to exotic pets such as parakeets, parrots, cockatiels, finches, ferrets, chinchillas, reptiles, guinea pigs, hamsters, and rabbits. The Hartz Mountain products are distributed and sold through various providers throughout the USA and Canada.