| Centre for Complement Inflammation Research | Academic & Science |
| Case Center for Imaging Research | Academic & Science |
| Climate Change Information Resources | Academic & Science |
| Center for Clinical Imaging and Research | Academic & Science |
| College Connection Individual Registration | Academic & Science |
| Centre For Communication Interface Research | Academic & Science |
| Campus and Community Involvement Record | Academic & Science |
| Center for Clinical Imaging Research | Academic & Science |
| Coalition for Competitive Insurance Rates | Business |
| Career Counseling Information and Referral | Business |
| Career Counseling and Information and Referral | Business |
| Committee Consultatif International Radiotelecommunique | Community |
| Consultative Committee for International Radio | Community |
| Ctivitiescampus And Community Involvement Record | Community |
| Campus Community Involvement Record | Community |
| Comite consultatif international des radiocommunications | Computer and Networking |
| Communications Computing and Information Resources | Computing |
| Command and Control Information Requirements | Computing |
| International Radio Consultative Committee | Computing |
| Contact Center Interactive Report | Contact |
| Clay City Imperial Regiment | General |
| Certificado de Cadastro do Imóvel Rural | General |
| Cure Cystinosis International Registry | General |
| China Cup International Regatta | General |
| Collection and Communication of Inspection Results | General |
| Customer Carry In Repair | General |
| Crane Condition Inspection Record | General |
| Commandants Critical Incident Requirements | General |
| Central Coast Immunization Registry | General |
| Centre for Construction Innovation and Research | General |
| Commander's Critical Information Requirements | Governmental |
| Comité Consultatif International de la Radio (International Radio Consultative Committee) | Governmental |
| Chamber of Commerce and Industry of Romania | Governmental |
| California Coalition for Immigration Reform | Governmental |
| Consultative Committee International Radio | International |
| Certificate Course in International Relations | International |
| Comité Consultatif International pour la Radio | International |
| Comit Consultatif International Des Radiocommunications | International |
| Comit Consultatif International Radiophonique | International |
| διεθνής συβουλευτική επιτροπή ραδιοεπικοινωνιών | International |
| Center for Cancer Immunology Research | Medical |
| Commander Critical Information Requirement | Military and Defence |
| Canadian Council of | Regional |
| Canadian Councile of Insurance Regulators | Regional |
| Canadian Council Of Insurance Regulators | Regional |
| Comittee Consultatif International Radiotelecommunique | Telecommunication |
