| Abbreviation | Definition |
|---|---|
| BBIC | Broadband Institute of California |
| BBRI | Belgian Building Research Institute |
| BBRI | Boston Biomedical Research Institute |
| BCBI | Beijing Chinese Business Institute |
| BCI | Boston Career Institute |
| BCI | Brandeis Collegiate Institute |
| BCIC | Broward County Institutions Committee |
| BCIT | British Columbia Institute of Technology |
| BCLI | British Columbia Law Institute |
| BCMI | Batavia Coast Maritime Institute |
| BCPI | Breast Cancer Prevention Institute |
| BCRI | Birmingham Civil Rights Institute |
| BCSI | Benefit Corporation Standards Institute |
| BDI | Biomedical Diagnostics Institute |
| BDI | Bobby Dodd Institute |
| BDI | Business Development Institute |
| BDI | Business Diversity Institute |
| BDSI | Big Data Summer Institute |
| BDSI | Biosystems Dynamic Summer Institute |
| BDSI | Biosystems Dynamics Summer Institute |