| Abbreviation | Definition |
|---|---|
| BECC | Behavior Energy and Climate Conference |
| BEOS | Built Environment and Outdoor Summit |
| BEX | Business and Entrepreneurship Exposition |
| BF | Booking Fees |
| BFIC | Breastfeeding and Feminism International Conferences |
| BFRF | Brooklyn Flea Record Fair |
| BGCC | Baptist General Conference of Canada |
| BGRC | Being Globally Responsible Conference |
| BHEC | Boston Harbor Educators' Conference |
| BHMB | Black History Month Brunch |
| BHSI | Behavioral Health Services Initiative |
| BICB | Building Industry Conference Board |
| BICC | Bangabandhu International Conference Center |
| BIDC | Bristol International Development Conference |
| BIEL | Beirut International Exhibition and Leisure |
| BIG | Blacks In Government |
| BIIC | British Irish Intergovernmental Conference |
| BIJS | Best of India Jewellery Show |
| BIOSEN | Symposium on BIOSENsors |
| BIPOL | BIPOLAR/BiCMOS Circuits and Technology Meeting |