| Chemical and Biological Information Systems | Academic & Science |
| Centre for BioImaging Sciences | Academic & Science |
| Chinese Biological Investigators Society | Academic & Science |
| Center for Biotechnology and Interdisciplinary Studies | Academic & Science |
| College of Business and Information Science | Academic & Science |
| Certified Brain Injury Specialists | Business |
| Christian Brothers Investment Services | Business |
| C Bridge Internet Solutions | Business |
| Consolidated Business Information System | Business |
| Certified Brain Injury Specialist | Business |
| Computer and Business Information Systems | Business |
| Computer Based Information System | Business |
| Certified Business Information System | Business |
| Certificate in Business Information Systems | Business |
| Certificates in Business Information Systems | Business |
| Cornell Business Impact Symposium | Business |
| Center for Business and Industry Services | Business |
| Credit Based Insurance Scores | Business |
| Centre for Business In Society | Business |
| Custer Baker Intermediate School | Community |
| Computer Based Info System | Computing |
| Computer Base Information System | Computing |
| Computer Based Integrated System | Computing |
| Compute Based Information System | General |
| Communications By Infrared System | General |
| Central Billing Information System | General |
| Curated Breast Imaging Subset | General |
| Chemical/Biological Information System | Governmental |
| Concrete Block Insulating Systems | International |
| Center for Biomedical Imaging Statistics | Medical |