Rite Aid Corporation is an American drugstore chain based in Camp Hill, Pennsylvania. It was founded in 1962 in Scranton, Pennsylvania by Alex Grass under the name Thrif D Discount Center. The company ranked No. 150 in the 2020 Fortune 500 list of the largest United States corporations by total revenue. It is headquartered in Camp Hill, Pennsylvania, near Harrisburg. Rite Aid is the largest drugstore chain on the East Coast and the third largest in the U.S. Rite Aid began in 1962, opening its first store in Scranton, Pennsylvania; it was called Thrift D Discount Center. After several years of growth, Rite Aid adopted its current name and debuted as a public company in 1968. As of 2021, Rite Aid is publicly traded on the New York Stock Exchange under the symbol RAD.