| Brigham Research Assay Core | Academic & Science |
| Bedlam Rats And Cats Rattery and Rescue | Business |
| Bridge Replacement Advisory Committee | Business |
| Building Regulations Advisory Committee | Business |
| Bangladeshi Rural Advancement Committee | Community |
| Base Realignment And Closure | Community |
| Blue Ridge Apartment Council | Community |
| Building Relationships Around Community | Community |
| Building Resources Across Communities | Community |
| Bangladesh Rural Advanced Committee | Community |
| Bureaucracy Realignment And Closure | General |
| Bronx River Art Center | General |
| Baton Rouge Area Chamber | General |
| Building Resources Across the Countries | General |
| Buró de Represión de Actividades Comunistas | General |
| Base Realignment And Closing | General |
| Base Realignment and Closures | General |
| Base Realignments And Closures | General |
| Basic Rest-Activity Cycles | General |
| Baton Rouge Air Coolers | General |
| Breath Alcohol Concentration | General |
| Bayeux Retro Auto Club | General |
| Brionnais Retro Automobile Club | General |
| Base Relocation And Closure | Governmental |
| Bangladesh Rural Advancement Committee | Governmental |
| Bomb Release Angle Computer | Governmental |
| Brotherhood of Railway and Airline Clerks | Governmental |
| Base Realignment and Closure (Commission) | Governmental |
| Basic Rest Activity Cycle | Medical |
| breath alcohol content | Medical |
| Bicycle Racing Association of Colorado | Sports |
| Babson Recreation and Athletics Center | Sports |
