Best Health Insurance Companies in USA Which are the best health insurance companies in the United States? It's hard to know how to even begin sorting through the multiple options when your employer offers a choice of health plans, or you need to select a private health insurance policy. We've done some of the legwork for you by examining which health insurance companies in the U.S. are ranked highest on such factors as prevention, treatment, and customer satisfaction. We selected nine companies with a wide range of available products, including national providers and a few highly-rated regional companies. To find the best policies for you and your family, you can enter your zip code and other information at the companies' websites. You will be directed to the policies available in your area that are appropriate for your circumstances, at which point you can compare local physician, hospital, and pharmacy choices. You can also find the combination of prem...