- NPF
- Norton Personal Firewall (Computing » Security)Norton Personal Firewall (Computing » Software)*** National Parkinson Foundation (Community » Non-Profit Organizations)** Network Processing Forum (Computing » Networking)** National Psoriasis Foundation (Community » Non-Profit Organizations)* Nuveen Premier Municipal Income Fund (Business » NYSE Symbols)* National Park Foundation (Community » Non-Profit Organizations)* National Postal Forum (Governmental » US Government)* Northern Pacific Railway (Regional » Railroads)* Normal Power Factor (Academic & Science » Electronics)* Non- Perishable Food (Miscellaneous » Food)* National Professional Fastpitch softball league (Community » Sports)* National Partitions FAQ (Governmental » US Government)
Abbreviations dictionary. 2012.