Health insurance is one of the most common type of insurance being taken by individuals as well as corporate. Corporates may buy group policies to cover their employees. Many individuals are also buying separate policies for themselves as well as their loved ones, namely spouse and children. Health insurance typically covers the insured against the cost for treatment of various illness, including surgery and hospital fees. Depends on the type of policy taken and amount of premium paid, some insurance may also cover for treatment of terminal diseases.
Here are logos of some companies that offers health insurances:
Here are a logo of the National Association of Health Underwriters where majority of insurance companies who offer health insurance are members: