It was also known as, and originally named the Consumer Value Store and was founded in Lowell, Massachusetts, in 1963. The chain was owned by its original holding company Melville Corporation since its inception until its current parent company CVS Health was spun off into its own company in 1996.
CVS Pharmacy is currently the largest pharmacy chain in the United States by number of locations (over 9,600 as of 2016) and total prescription revenue. As the retail pharmacy division of CVS Health, it ranks as the 7th largest U.S. corporation according to Fortune 500 in 2016. CVS Pharmacy's leading competitor Walgreens Boots Alliance ranked 37th.
CVS sells prescription drugs and a wide assortment of general merchandise, including over-the-counter drugs, beauty products and cosmetics, film and photo finishing services, seasonal merchandise, greeting cards, and convenience foods through their CVS Pharmacy and Longs Drugs retail stores and online through CVS.com. It also provides healthcare services through its more than 1,100 MinuteClinic medical clinics as well as their Diabetes Care Centers. Most of these clinics are located within CVS stores.
According to wikipedia