| NBSA | Najafgarh Boxing Sports Academy 
| Others |
| NBSA | National Balance Sheet Accounts
| Others |
| NBSA | National Basketball Shooters Association
| Others |
| NBSA | National Bergamasco Sheepdog Alliance
| Others |
| NBSA | Nationale Business Succes Award
| Others |
| NBSA | Neo Babies Secret Agency
| Others |
| NBSA | Netherlands Bank of South Africa
| Others |
| NBSA | New Brunswick Sailing Association
| Others |
| NBSA | New Brunswick Student Alliance
| Others |
| NBSA | News Broadcasting Standards Association
| Others |
| NBSA | News Broadcasting Standards Authority
| Others |
| NBSA | Newton Baseball Softball Association
| Others |
| NBSA | Niantic Bay Sailing Academy
| Others |
| NBSA | No Bull Sh*t Assesment
| Others |
| NBSA | Northboro Baseball and Softball Association
| Others |
| NBSA | Northborough Baseball and Softball Association
| Others |
| NBSA | Northborough Baseball Softball Association
| Others |
| NBSA | Northeast Biological Safety Association
| Others |
| NBSA | Northeastern Black Student Association
| Others |
| NBSA | Northern Business Star Awards
| Others |
| NBSA | Northville Baseball Softball Association
| Others |