sort by Rank | Alpha
| Possible Meanings | Rank |
|---|
| British International School Shanghai | *** |
| Bulk Ink Supply System | *** |
| Best in Show Specialty | *** |
| Bertinoro International Spring School | *** |
| Biodiversity Information Sharing Service | *** |
| Baltic Institute of Social Sciences | *** |
| business information systems services | *** |
| Brain Injury Support Service | *** |
| Business Intelligence Software Solutions | *** |
| British International School Seoul | ** |
| Business Innovation Support Scheme | ** |
| Black Ice Security Services | ** |
| Brighton International Summer School | ** |
| Blood Injection Symptom Scale | ** |
| Business and Industrial Statistics Section | ** |
| Belarusian Institute for Strategic Studies | ** |
| Brain Injury Services of Simcoe | ** |
| Bartlett International Summer School | ** |
| Beijing International School of Singapore | ** |
| Base Idle Speed Screw | ** |
| Boston International Student Services | ** |
| British and International Sailors Society | ** |
| Bertinoro International Summer School | ** |
| Bremen Institute of Safe and Secure | ** |
| Best Instrumentation Source Selector | ** |
| Berufs Informations System Schweiz | ** |
| Belarus Interbank Settlement System | * |
| Bus Industry Superannuation Scheme | * |
| Base and Installation Security System | * |
| Biafran Institute for Strategic Studies | * |
| Bilingual International School of Strasbourg | * |
| Behaviour Intervention Support Service | * |
| Building Insurance Surveying Services | * |
| Biodiversity Information Sharing System | * |
| Biologically Integrated Strawberry Systems | * |
| Base and Installation Security Systems | * |
| Business Insider Success System | * |