| Abbreviation | Definition |
|---|---|
| BPI | Building Performance Institute |
| BPI | Building Professional Institute |
| BPIE | Bishnupur Public Institute of Engineering |
| BPIE | Buildings Performance Institute EU |
| BPIE | Buildings Performance Institute Europe |
| BPKIHS | B.P. Koirala Institute of Health Sciences |
| BPSI | Biological Physical Sciences Institute |
| BPSI | Boston Psychoanalytic Society and Institute |
| BPSI | Boston Psychoanalytic Society Institute |
| BRBI | Bill Rice Bible Institute |
| BRCI | Broad River Correctional Institution |
| BRI | Benaroya Research Institute |
| BRI | Biblical Research Institute |
| BRI | Biodiversity Research Institute |
| BRI | Biomedical Research Institute |
| BRI | Biosecurity Research Institute |
| BRI | Borderlands Research Institute |
| BRI | Brain Research Institute |
| BRI | Brigham Research Institute |
| BRI | Building Research Institute |