chewy was founded under the name "mr. chewy" in september 2011 by ryan cohen and michael day. the company hired former employees and executives from amazon, petsmart, whole foods market, and wayfair. in march 2012, the company estimated a total yearly revenue of $26 million, despite losing money in its first half year. in 2014, the company opened a 400,000-square-foot facility in mechanicsburg, pennsylvania to allow for overnight delivery in the northeast. from 2014 to 2015, sales grew from $205 million to $423 million.