Chewy is the largest e-commerce pet care retailer in the U.S., generating $10.1 billion in 2022 sales across pet food, treats, hard goods, and pharmacy categories. The firm was founded in 2011, acquired by PetSmart in 2017, and tapped public markets as a standalone company in 2019 after spending a couple of years developing under the aegis of the pet superstore chain. The firm generates sales from pet food, treats, over-the-counter medications, medical prescription fulfillment, and hard goods, like crates, leashes, and bowls.