About Rite Aid Rite Aid is a Fortune 500 company and a U.S. drugstore chain with its headquarters in East Pennsboro. This is the largest East Coast drugstore chain as well as the 3rd United States drugstore chain. The company was launched in 1962 in Pennsylvania
About Walgreens Walgreen Co., also more popular on the market as Walgreens, is seen as the largest United States drug retailing chain from the U.S. As the beginning of 2012, Walgreens operates over 8.000 stores in all fifty states, Puerto Rico and the District of Columbia.
About CVS Pharmacy CVS Pharmacy is considered the 2nd largest pharmacy chain in the U.S., Walgreens being the first. Its headquarters are in Rhode Island, and with more than seven thousand stores in over forty U.S. states, the company manages to be among the leading ones
About GNC GNC, or General Nutrition Centers, is a Pennsylvania-based commercial enterprise concentrated on the retail sale of nutrition and health-related products, which will include minerals, diet, supplements, herbs, vitamins and sports nutrition products.