Best and Largest Health Insurance Companies of 2021

However, the health insurance industry is dominated by five companies. In order, the top health insurers by market share are Anthem, Centene, UnitedHealthcare, Humana and Health Care Service Corp. (HCSC), and together they control nearly 44% of the market.

All of these providers offer basic health insurance products to individuals and companies, along with other services that include Medicaid and Medicare policies, long-term care insurance, dental insurance and vision benefits.

What are the biggest health insurance companies?

[wpdm_lazy_download]

The biggest health insurance companies in the United States include well-known insurance providers. Many of these companies offer similar products, but some tend to specialize in additional products such as Medicaid and Medicare. Below, we break down the largest health insurers by market share, by membership, by revenue and by state.

Read More