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Petco Animal Supplies, Inc., or simply Petco, is an American pet retailer in the United States, with corporate offices in San Diego and San Antonio. Petco sells pet products and services, as well as certain types of live animals. Petco sells and holds fish, reptiles, small birds, hamsters, guinea pigs, and mice for adoption. Pet services include grooming and dog training. The company also owns the naming rights to the Petco Park baseball stadium, which is home of the San Diego Padres.

As of 2017, the company operates more than 1,500 locations across the United States and Mexico, including more than 85 Unleashed by Petco locations, which is a smaller-format neighborhood brand-launched, spa services, and an online shopping destination at petco.com."Think Adoption First" is a company philosophy and program, which encourages pet adoption rather than the purchase of companion animals whenever possible. Petco was criticized when they were selling large exotic birds in their shops.

Source: Wikipedia