Aetna company, one of the largest health insurers in the US, also offers life, disability, and long-term care insurance, as well as retirement savings products. Its Health Care division offers HMO, PPO, point of service (POS), health savings account (HSA), and traditional indemnity coverage, along with dental, vision, behavioral health, and Medicare plans, to groups and individuals. The division covers some 19 million medical members. Aetna's Group Insurance segment sells life, disability, and long-term care insurance nationwide. And its Large Case Pensions segment offers pensions, annuities, and other retirement savings products.