Understanding the value of full-service veterinary care at its stores, PetSmart invests in Banfield and the two groups sign a strategic partnership agreement. Founded in 1986, PetSmart is the largest specialty pet retailer in North America. PetSmart provides everything from pet food and products to grooming, training, PetSmart PetsHotel® and other services at more than 1,075 stores in the United States and Canada. More than 1,500 accredited training instructors also provide services. PetSmart PetsHotels are staffed with caregivers 24 hours a day.