CVS Health (CVS)

CVS Health Corp, its acquisition of Aetna in late 2018, CVS Health now provides an even more integrated healthcare-services offering for its members. Legacy CVS a sizable pharmacy operation, includes nearly 9,900 retail pharmacy locations primarily in the U.S. Adding a managed-care organization with 35 million medical members gives the company a strong position in the insurance industry and should help CVS better control overall healthcare costs for its clients.