Number Assignment Module 
National Association of Manufacturers 
National Account Manager 
network access machine 
Network Applications Manager 
Northern Annular Mode 
Name and Address Module 
NAMIBIA 
National Atomic Museum 
NetWare Application Manager 
Network Access Module 
Network Analysis Module 
Nonaligned Movement 
Non-Aligned Movement 
North American 
North American Mesoscale 
N-acetylmethionine 
nasoalveolar molding 
National Account Managers 
National Air Museum 
National Airsoft Magazine 
National Association of Manufactures 
National Association of Mathematicians 
National Assoication of Manufacturers 
National Astronomy Meeting 
National Aviation Museum 
natural actomyosin 
Nautical Air Mile 
Nautical Air Miles 
Naval Armaments Model