| Biology Student Success Coaches | Academic & Science |
| Bachelor of Social Sciences AcronymFinder | Academic & Science |
| Boothbay Sea and Science Center | Academic & Science |
| Baltic Sea Science Congress | Academic & Science |
| Bachelor of Social Sciences | Academic & Science |
| Behavioral and Social Sciences Center | Academic & Science |
| Bendigo Senior Secondary College | Academic & Science |
| Branciforte Small Schools Campus | Academic & Science |
| Behavioral Social Science Center | Academic & Science |
| Bermuda Secondary School Certificate | Business |
| Bluegrass State Skills Corporation | Business |
| Broadcasting Satellite System Corporation | Business |
| Business Startup Support Center | Business |
| Boston Ski Sports Club | Community |
| Black Scholes Surf Club | Community |
| Blue Sky Software Corporation | Computing |
| Bpx Switch and Service Configuration | Computing |
| Board for Software Standardization and Control | Computing |
| Better Scientific Software Communities | Computing |
| Bihar State Services Commission | General |
| Bird Species of Special Concern | General |
| Bihar staff selection commission | General |
| Bolinas Stinson Summer Camp | General |
| Block Signature Self Checking | General |
| Binary Saccade Sequence Classification | General |
| Because Something Should Change | General |
| Battle Staff Support Center | Governmental |
| Basic Sciences Student Council | Governmental |
| Building Seismic Safety Council | Governmental |
| Black Student Success Council | Governmental |
| Bowerman Sports Science Clinic | Sports |
| Ballston Spa Soccer Club | Sports |
| Baltimore Sports Social Club | Sports |
| Blue Springs Soccer Club | Sports |
| Boston Ski and Sports Club | Sports |
| Brancaster Staithe Sailing Club | Sports |
