| Botanical Society of Scotland | Academic & Science |
| Bachelor of Social Studies | Academic & Science |
| Bachelor of Specialized Studies | Academic & Science |
| Breadth Social Sciences | Academic & Science |
| Broadband Satellite System | Academic & Science |
| Behavioral Social Sciences | Academic & Science |
| Biological and Soft Systems | Academic & Science |
| British Sundial Society | Academic & Science |
| Balsas | Airport Code |
| Business and Social Sciences | Business |
| Bharat Supply and Support | Business |
| Business System Solutions | Business |
| Buyer Support Services | Business |
| British Steam Specialties | Business |
| Business Support Services | Business |
| Business Service Support | Business |
| British Standard Specification | Business |
| Business Support Systems | Business |
| Business Solution Singapore | Business |
| Base Storage Segment | Chemistry |
| Broadcast Service Satellite | Community |
| Bishop Strachan School | Community |
| Boarding School Syndrome | Community |
| BlackSheepSound | Community |
| Beaconhouse School System - (Seek The Light) | Community |
| The Better Stage Society | Community |
| Busted Screamo Scene | Community |
| Beaconhouse School System | Community |
| Base School System | Community |
| Blessed Sacrament School | Community |
| Base Station System | Computer and Networking |
| Broadcasting-Satellite Service | Computer and Networking |
| Block Storage Start | Computer Assembly Language |
| Block Start Symbol | Computer Assembly Language |
| Block Starting with Symbol | Computer Assembly Language |
| Block Storage Space | Computer Assembly Language |
| Best Source Selector | Computer Hardware |
| Blade Server Systems | Computing |
| Business Support Service | Computing |
| Basic Synchronous Subset | Computing |
| Bee Swarm Simulator | Computing |
| Basic Station System | Computing |
| Basic Support Set | Computing |
| Broadcast Satellite Service | Computing |
| Basic Synchronized Subset | Computing |
| Billing Support System | Computing |
| Block Storage Segment | Computing |
| Business Support System | Computing |
| Business Satellite Service | Computing |
| Study Service | General |
| Barrett Summer Scholars | General |
| Broad Street Subway | General |
| Brickstar Space Ship | General |
| Boat Safety Scheme | General |
| Boeing Specification Support | General |
| Behavioral Support Services | General |
| Broadcasting Support Services | General |
| Bob Saget Squad | General |
| Body Sculpting System | General |
| Board Simulator Series | General |
| Building Staff Solutions | General |
| Blood Stability Score | General |
| Block Storage Section | General |
| Bias Sound Soap | General |
| Binary Stimulation Signal | General |
| Blind Source Separation | General |
| Brothers Sons Selves | General |
| Blood Stained Switch | General |
| Bit Synchronous Single | General |
| Basic Screening Survey | General |
| Basic Sewing Supplies | General |
| Black Side Steps | General |
| Brake Steer System | General |
| Braking Steering and Suspension | General |
| Big Sky Sprints | General |
| Bharat Sevak Samaj | General |
| Buckeye Super Sprints | General |
| Brake Shoe Set | General |
| Bose Sound System | General |
| Big Sky Subaru | General |
| Blind Spot Sensor | General |
| Benfield Sanitation Services | General |
| Bisiluro Special | General |
| Bangladesh Sangbad Sangstha | General |
| Blind Spot System | General |
| Block Starting Symbol | General |
| Bonneville Sse | General |
| Battery Swap Station | General |
| Broken Social Scene | General |
| Bureau of Street Services | Governmental |
| BAHADUR SINGH W | Indian Railway Station |
| Block Started by Symbol | Information Technology |
| Behavioral and Social Sciences | Medical |
| Brown–Sequard syndrome | Medical |
| Balanced Salt Solution | Medical |
| Basic Safety Standards | Medical |
| Balanced Saline Solution | Medical |
| Basic Surgical Skills | Medical |
| Black Silk Suture | Medical |
| Bodily Symptoms Scale | Medical |
| British Scoliosis Society | Medical |
| Buffered Saline Solution | Medical |
| Brown?equard syndrome | Medical |
| Biomedical Signals And Systems | Medical |
| Base Station Subsystem | Radio Science |
| Best Shot Selector | Softwares |
| Backup System Services | Space Science |
| Bald Spot Sports | Sports |
| Basic Sports Science | Sports |
| Bicycle Sport Shop | Sports |
| British Ski and Snowboard | Sports |
| Brazilian Soccer Schools | Sports |
| Basic Service Set | Telecommunication |
| Broadband Switching System | Telecommunication |
| Bahadur Singh Wala | Transport & Travel |