PetSmart is the world's largest pet supply and services retailer, offering over 10,000 products for various pets, including dogs, cats, birds, fish, and small animals. Customers appreciate the friendly and helpful service at PetSmart, with employees often going above and beyond to assist. For example, one customer highlighted an employee's support during a stressful time with a pet needing stitches. While most experiences are positive, one customer encountered an issue with returning a Halloween costume, which slightly affected their rating. PetSmart's training classes are also highly praised, with flexible schedules and experienced trainers. With options for online shopping and in-store pick-up, PetSmart continues to meet the diverse needs of pet owners and their furry friends.