| Acronym | Definition |
|---|
| NBSI➣Not Blue Shoot It |
| NBSI➣National Bank of the Solomon Islands |
| NBSI➣National Bible Society of Ireland |
| NBSI➣New Brunswick Sound Initiative (Canada) |
| NBSI➣Nesbitt Burns Securities, Inc. |
| NBSI➣New Brunswick Scientific Inc. |
| NBSI➣National Biological Service Inventory |