1991 - The company introduces Red Ruff and Blue Mews as its official logo mascots.
1992 - Petco's first East Coast stores open in New Jersey; "Where the Pets Go" is officially introduced and becomes one of the most recognized retail brand taglines in the country.
1994 - Petco goes public as the largest pet specialty retail chain with 218 stores in 13 states and sales of more than $189 million; listed on NASDAQ under the trading symbol PETC.
1995 - Petco rolls out grooming services for customers in stores nationwide.
1997 - Petco launches Petco Animal Lovers Save – PALS – the pet industry's first customer loyalty program.
1999 – Petco Love (formerly Petco Foundation) is founded, formalizing Petco's longstanding commitment to animal welfare.