| Bitconnect | Academic & Science |
| Bioaccumulative Chemical of Concern | Academic & Science |
| Biotechnology Commercialization Center | Academic & Science |
| Barbados Community College | Academic & Science |
| Baltimore City College | Academic & Science |
| Barisal Cadet College | Academic & Science |
| Ballarat Clarendon College | Academic & Science |
| Bay City Central High School | Academic & Science |
| Bee County College | Academic & Science |
| Bacolod Christian Center | Academic & Science |
| Barrie Central Collegiate | Academic & Science |
| Berkeley City College's | Academic & Science |
| Bellevue Community College | Academic & Science |
| Billing Customer Care | Accounts and Finance |
| Bear Creek (ak) | Airport Code |
| Balancing Charge Credit | Business |
| Blind Carbon Copy | Business |
| Blind Courtesy Copy | Business |
| Bengal Creative Corporation | Business |
| Baron Consulting Company | Business |
| Brodwyn Chiropractic Clinic | Business |
| Buccaneer Energy Ltd | Business |
| Boise Cascade Company | Business |
| Bank Compensation Consulting | Business |
| Banque Centrale des Comores | Business |
| Business Critical Computing | Business |
| Banco Central de Cub | Business |
| Bryant Career Connection | Business |
| Banque Centrale du Congo | Business |
| Boise Cascade Co | Business |
| Board Certified Coach | Certifications |
| Body Centered Cubic | Chemistry |
| Broadcasting Corporation of China | Community |
| Basic Core Curriculum | Community |
| Brunswick Community College | Community |
| Business Career Center | Community |
| Battle Creek Central High School | Community |
| Boston Community Cooperative | Community |
| Breast Cancer Coalition | Community |
| Brightmoor Community Center | Community |
| Bethesda Chevy-Chase High School | Community |
| Baldwin Church and Center | Community |
| Behavior Change Communication | Community |
| Brunstad Christian Church | Community |
| Barstow Community College | Community |
| Bethany Community Church | Community |
| Board of Child Care | Community |
| Bladen Community College | Community |
| Blackfeet Community College | Community |
| Black Cultural Center | Community |
| Beaverton Christian Church | Community |
| Berkshire Community | Community |
| Basic Control Channel | Computer and Networking |
| Bpx Common Core | Computing |
| Base Station Colour Code | Computing |
| Bus Control Card | Computing |
| Block Calls Cleared | Computing |
| Block Check Character | Computing |
| Bearer Channel Connection | Computing |
| Binary Control Characters | Computing |
| Bump Chip Carrier | Computing |
| Broadband Controller Card | Computing |
| Business Continuity Clustering | Computing |
| Broadcast Call Control | Computing |
| Base Station Color Code | Computing |
| Bruce's C compiler | Computing |
| Broadcast Colour Code | Computing |
| Borland C Plus Plus Compiler | Computing |
| Basic Core Component | Computing |
| Branch if Carry Clear | Computing |
| BPF Compiler Collection | Computing |
| Backward Compatibility Console | Computing |
| Broome Community College | Educational Institute |
| Beer Can College | Educational Institute |
| Bronx Community College | Educational Institute |
| Burlington County College | Educational Institute |
| Bergen Community College | Educational Institute |
| Bristol Community College | Educational Institute |
| Berkeley City College | Educational Institute |
| Berkshire Community College | Educational Institute |
| Burton Car Company | General |
| Black Car Club | General |
| Belgian Corvette Club | General |
| Bangkok Christian College | General |
| Baku City Circuit | General |
| Best Car Customization | General |
| Body Color Wheel Centers | General |
| Brothers Car Club | General |
| Barracuda Cloud Control | General |
| Bicycle Commuter Challenge | General |
| British Caravanners Club | General |
| Bearings, Chains, and Cables | General |
| Bishopthorpe Camera Club | General |
| Beckenham Cycle Club | General |
| Black Country Communion | General |
| Biblical Counseling Coalition | General |
| Bureau of Construction Codes | General |
| Black Carbon Copy | General |
| Blue Carbon Copy | General |
| By Common Consent | General |
| Blank Carbon Copy | General |
| Brandeis Counseling Center | General |
| Border Crossing Cards | General |
| Body Centred Cubic | General |
| Bethesda Chevy Chase | General |
| Beef Carcase Classification | General |
| Bottom Coil Clearomizer | General |
| Bottom Coil Cartomizer | General |
| Brabus Car Configurator | General |
| Bucharest City Challenge | General |
| Bus and Coach Council | General |
| Brampton Corvette Club | General |
| Beachcombers Corvette Club | General |
| Backpacker Car Club | General |
| Battery Charge Control | General |
| Backstage Chevy Club | General |
| Bendigo Car Club | General |
| British Car Club | General |
| Bolwell Car Club | General |
| British Classic Car | General |
| Brisbane Celica Club | General |
| Bianchina Classic Club | General |
| Beth Chayim Chadashim | General |
| Bandung Corolla Classic | General |
| Black Car Community | General |
| Bureau of Cannabis Control | Governmental |
| Big Conspiracy Cover-up | Governmental |
| Bangladesh Computer Council | Governmental |
| Broadcast Control Center | Governmental |
| Behavioural Change Communication | Governmental |
| Basal Cell Carcinomas | Medical |
| Basal Cell Carcinoma | Medical |
| Breast Cancer Center | Medical |
| Bedside Communication Controller | Medical |
| Benign Cellular Changes | Medical |
| Biliary Cholesterol Concentration | Medical |
| Birmingham City Council | Medical |
| Birth Control Clinic | Medical |
| Breast Care Centre | Medical |
| Basal Cell Cancer | Medical |
| Bay Command Console | Military and Defence |
| Bikaner Camel Corps | Military and Defence |
| Base Cluster Commander | Military and Defence |
| Battlefield Circulation Control | Military and Defence |
| Battery Control Central | Military and Defence |
| Battlefield Command Computer | Military and Defence |
| Block Check Count | Networking |
| British Chambers of Commerce | Regional |
