National Air Intelligence Center 
Network Applications and Information C… 
National Association of Insurance Comm… 
National Astronomy and Ionosphere Cent… 
National Air Intelligence Center's 
National Aeronomy and Ionosphere Cente… 
National Aging Information Center 
National Association of Investors Corp… 
Northeast Artificial Intelligence Cons… 
Nuclear Accident/Incident Control 
NASA Network Application and Informati… 
National Address Information Center 
National Aerospace Intelligence Center 
National Association of Investment Clu… 
National Astronomy and Ionospheric Cen… 
Native American Intertribal Council 
Newly Agro-Industrialized Country 
North American Indian childhood cirrho… 
North American Industry Classification…