Located in Warren, Mich., CVS Pharmacy Inc., a subsidiary of CVS Caremark Corporation, is one of the largest pharmacy retailers in the United States. The firm offers a wide range of products, such as beauty, baby and care, soaps, vitamins and many more. It also offers an array of services, including refill prescriptions, new prescriptions, drug corner and transfer prescriptions. CVS Caremark Corporation is one of the largest pharmacy health care providers in the United States.