National Governors Association
National Geospatial Agency
National Geospatial-Intelligence Agency
National Gallery of Art
Natural Gas Association
National Glass Association
National Graphical Association
NATO Guidelines Area
Natural Gas Act
NIGERIA
Noise Gain Analyzer
Notice of Grant Award
NAD-glycohydrolase
Naitonal Guard Area
Nathanael Greene Academy
National Gallery of Australia
National Geographical Association
National Geospatial Intelligence Agency
National Governor's Association
National Governors' Association
National Guard Association
Natural Gas Act of 1938
neuroglandular antigen
Nigeria Airways
NoGo anteriorisation
NoGo-Anteriorization
Non-Governmental Agency
North American Galvanizing and Coatings Inc
Northeast Gas Association
Northwest Geophysical Associates
Nueva Gales del Sur
nutrient gelatin agar
National Guaranteeing Association
Negotiated Greenhouse Agreement
Network Graphic Annunciator
New Generation Artists
New Greenham Arts
Nex Generation Atlanta
Niles Guichet Associates
Normas Gerais de Ação