| Bilston And Ettingshall Sure Start | Business |
| Business Entity Search Station | Business |
| Business Education and Social Sciences | Business |
| Business Economic and Social Science | Business |
| Bloomberg Essentials | Business Management |
| Baltimore Educational and Social Society | Community |
| Basic Enlisted Submarine School | Community |
| Buddhist Education Services for Schools | Community |
| Barracuda e-Mail Security Service | Computing |
| Bekeley Extension Software Switch | Computing |
| Berkeley Extensible Software Switch | Computing |
| Basic Echo Synchronizing System | Electronics |
| Battery Electric Storage System | General |
| Biodegradability Evaluation And Simulation System | General |
| Balance Error Scoring System | General |
| Build Environment Sustainability Scorecard | General |
| Buddies Empowering Self Sufficiency | General |
| Blackpool Empowering Social Support | General |
| Breathing Earth System Simulator | General |
| Battery Energy Storage System | Governmental |
| Benefits Eligibility Screening Services | Jobs |
| Brain Edema Severity Score | Medical |
| Biomedical Experiment Support Satellite | Medical |
| Biomedical Experiment Scientific Satellite | Medical |
| Bit Error Sensing System | Military and Defence |
| Breaking Electroweak Symmetry Strongly | Physics Related |
| British Elbow and Shoulder Society | Regional |
| Balloon-borne Experiment with A Superconducting Spectrometer | Space Science |
| Biomedical Experiments Scientific Satellite | Space Science |
