 Petland currently operates 131 stores in the United States, and at least 63 in foreign markets including South Africa, Canada, Japan, China, Mexico, Brazil and El Salvador.The chain is notable for its controversy over documentation from the Humane Society of the United States revealing the purchase of dogs from puppy mills.Petland was started in 1967 when Ed Kunzelman opened up his first store in Chillicothe, Ohio.