| Nasa Part Number |
Space Science |
NPN |
| negative-positive-negative |
Government |
NPN |
| Negative Positive Negative |
Electronics |
NPN |
| Negative-positive-negative Transistor |
Electronics |
NPN |
| National Poultry News |
Media |
NPN |
| New Parents Network |
Community |
NPN |
| National Prevention Network |
Community |
NPN |
| National Performance Network |
Organization |
NPN |
| No Problem Network |
Computer Networking |
NPN |
| Negation, Permutation, Negation |
Maths |
NPN |
| Nuveen Pennsylvania Municipal Value Fund |
NASDAQ Symbol |
NPN |
| National Petroleum News |
Media |
NPN |
