| Boeing Aerospace Support Centre | Academic & Science |
| Barrow Arctic Science Consortium | Academic & Science |
| Biology Academic Success Center | Academic & Science |
| Board on Atmospheric Sciences and Climate | Academic & Science |
| Bachelor of Arts and Science | Academic & Science |
| Berkeley Atmospheric Sciences Center | Academic & Science |
| The British Association For Shooting And Conservation | Business |
| Brockport Auxiliary Services Corporation | Business |
| Business Administration Steering Committee | Business |
| British Association Shooting And Conservation | Business |
| Business Alliance for Secure Commerce | Business |
| Brockport Auxiliary Service Corporation | Business |
| Business Aviation Safety Consortium | Business |
| Business Anti-Smuggling Coalition | Community |
| Bengali Association of Southern California | Community |
| Boston Application Security Conference | Community |
| Bay Area Shooting Club | Community |
| Broken Arrow Soccer Club | Community |
| British Association of Shooting and Conservation | Community |
| Biochemistry Across the School Curriculum | Community |
| Before and After School Care | Community |
| Bay Area Saab Club | General |
| Behavior Assessment Scale For Children | General |
| Behavior Assessment System For Children | General |
| Bay Area Solar Consortium | General |
| Berkeley APEC Study Center | General |
| Beltrami Area Service Collaborative | General |
| Building America Solution Center | General |
| Biblioteca Archivio Storico Comunale | International |
| British Association for Shooting and Conservation | Medical |
| Bedford Ambulatory Surgical Center | Medical |
| Bachelor of Applied Science | Medical |
| Blood pressure in Acute Stroke Collaboration | Medical |
| BRCA1-associated genome surveillance complex | Medical |
| Bucks Adult Soccer Club | Sports |
