| Biological and Biomedical Sciences | Academic & Science |
| Board of Behavioral Sciences | Academic & Science |
| British Bryological Society | Academic & Science |
| Verband der Bibliotheken und der Bibliothekarinnen/Bibliothekare der Schweiz | Academic & Science |
| Biomedical Biological Sciences | Academic & Science |
| Association des Bibliothèques et Bibliothécaires Suisses | Academic & Science |
| Associazione delle Biblioteche e delle Bibliotecarie e dei Bibliotecari Svizzeri | Academic & Science |
| Associaziun da Bibliotecas, da Bibliotecaras e Bibliotecaris da la Svizra | Academic & Science |
| Association of Swiss Libraries and Librarians | Academic & Science |
| Bureau of Bingo Statistics | Academic & Science |
| Bachelor of Business Science | Academic & Science |
| Association des Biblioth?ues et Biblioth?aires Suisses | Academic & Science |
| Blackbush | Airport Code |
| Berger Blanc Suisse | Animal Kingdom |
| Bellaire Bead Shop | Business |
| Behavior-Based Safety | Business |
| Butch's Bore Shine | Business |
| Bachelor of Business Studies | Business |
| Bologna Business School | Business |
| Bar Bending Schedule | Business |
| Bachelors of Business Studies | Business |
| Budapest Business School | Business |
| Borneo Business School | Business |
| Babcock Borsig Service | Business |
| Payment Central Banks | Business |
| Bison Business Supplies | Business |
| Boy Band Slash | Community |
| Black Belt Singer | Community |
| Business Building Seminar | Community |
| Big Brothers And Sisters | Community |
| British Bozo Society | Community |
| Birth By Sleep, Inadequate Information: | Computing |
| Bass Boost System | Computing |
| Bios Boot Specification | Computing |
| Bulletin Board Service | Computing |
| Backup Boot Sector | Computing |
| Bandwidth Brokers | Computing |
| BBSCoin | Cryptocurrency |
| Broad Band Spectrum | Electronics |
| Bulletin Board System Announcement Or Text Information | File Type |
| Ftn Software Hudson-style Messagebase File | File Type |
| Bullentin Board Service | General |
| Bilitten Board System | General |
| A Basic Board For Sharing | General |
| Bulletin Board Soda | General |
| Baby Brine Shrimp | General |
| Boomer Builder Senior | General |
| Bakers Best Shortening | General |
| Big Boy Superrims | General |
| Blue Black Splash | General |
| Button Back Skirt | General |
| Bulletin Board Systems | General |
| Bavarian Bus Service | General |
| Behaviour Based Safety | General |
| Birth By Sleep | General |
| Bus Bypass Shoulder | General |
| Bulletin Board Sytem | General |
| Bilateral Breath Sounds | General |
| Brooklyn Bronx Summation | General |
| Beat Bar Subdivision | General |
| Body by Simone | General |
| Bulleting Board System | General |
| Baton Broadcasting System | General |
| Bhutan Broadcasting Service | General |
| Bulinten Board System | General |
| Basel Biometric Section | General |
| Building Block Strategy | General |
| Baumgartner Brand Schiltach | General |
| Bosch Braking Systems | General |
| Blitz Basic Script | General |
| Bullitin Board System | General |
| Burning Brain Syndrome | General |
| Big Black Sign | Governmental |
| Break-Bulk Ship | Governmental |
| BHUBANESWAR | Indian Railway Station |
| Bulletin Board System | Information Technology |
| Bare Bottom Spanking | Internet |
| Breeding Bird Survey | Medical |
| Behavioral and Brain Sciences | Medical |
| Benign Biliary Strictures | Medical |
| Benign Breast Syndrome | Medical |
| Berg Balance Scale | Medical |
| Brown Bowel Syndrome | Medical |
| Busy Brain Syndrome | Medical |
| Bronchial Breath Sound | Medical |
| Bashful bladder syndrome | Medical |
| Bardet Biedl Syndrome | Medical |
| Be Back Soon | Messaging |
| Brigade Battle Simulation | Military and Defence |
| Battalion Battle Simulation | Military and Defence |
| Backbone-to-backbone Station | Networking |
| Baton Broadcast System | News & Entertainment |
| Browser Based System | Softwares |
| Bulletin Board Software | Softwares |
| Big Bull Shoot | Sports |
| Blackbushe Airport | Transport & Travel |
