NationAir, www.nationair.com, combines the influence of a national brokerage with the personal relationships of a local broker. Founded in 1978, it is one of the country’s oldest and largest aviation insurance brokers. NationAir, headquartered in suburban Chicago, fields representatives in nine locations across the country, with clients in all 50 states and in 30 countries. NationAir works with all major underwriters and has pioneered specialized programs to help the general aviation community reduce risks and operate more safely.