CVS Health Corporation, formerly known as CVS Caremark Corporation, was founded in 1892 and is headquartered in Woonsocket, Rhode Island. The company operates through three business segments: Pharmacy Services, Retail Pharmacy and Corporate. It operates 24 retail specialty pharmacy stores, 11 specialty mail order pharmacies and 5 mail order dispensing pharmacies. It also has 83 branches for infusion and enteral services and an estimated 155,000 employees.