The Buffalo Exchange was opened in 1974 in Tucson, Arizona by Kerstin and Spencer Block as the first store to buy, sell, and trade used clothing. It has since grown to over 40 stores across the U.S. and generates $64.2 million in annual revenue. The company headquarters remains in Tucson, Arizona and their growth plan is focused on increasing publicity. Buffalo Exchange buys and sells used clothing and provides various job opportunities across its multiple store locations.