- NPG
- National Portrait Gallery (Community » Performing Arts)* New Power Generation (Governmental » US Government)* NIOSH/Pocket Guide To Chemical Hazards (Governmental » US Government)* Nonlinear Processes in Geophysics (Academic & Science » Geology)* Negative Population Growth (Community » Non-Profit Organizations)* New Packet Generation (Computing » Networking)* Naval Post Graduate School (Governmental » Military)* Naval Post Graduate School (Academic & Science » Universities)* No Price Given (Business » General)* Nipa, Papua New Guinea (Regional » Airport Codes)* Non-unit Personnel Generator (Governmental » Military)* Neat Propylene Glycol (Academic & Science » Chemistry)
Abbreviations dictionary. 2012.