| Chittagong Cantonment Public College | Academic & Science |
| Campus Community Planning Committee | Academic & Science |
| Consortium for Computational Physics and Chemistry | Academic & Science |
| Central College Presbyterian Church | Academic & Science |
| Chloran Chemical Production Company | Business |
| Cooperative Credit Purchasing Company | Business |
| Creative Contract Packaging Corporation | Business |
| Call Center Professional Consulting | Business |
| Canadian Controlled Private Corporation | Business |
| Clinical Care Program Certification | Business |
| Canadian Council of Professional Certification | Business |
| Canadian Centre for the Purpose of the Corporation | Business |
| Cherry Creek Presbyterian Church | Community |
| Chicago Community Pet Coalition | Community |
| Christian Center of Park City | Community |
| Christian Counseling Professionals of Chicagoland | Community |
| Cebu Citizens-Press Council | Community |
| Citizens' Committee for Pollution Control | Community |
| Chinese Cultural Program for Children | Community |
| Covenant Community Presbyterian Church | Community |
| Central Carolina Poodle Club | Community |
| Central California Pigeon Club | Community |
| Collegiate Church Planting Community | Community |
| Cambridge Community Partnership for Children | Community |
| Christ Central Presbyterian Church | Community |
| Christian Community Placement Center | Community |
| Christ Covenant Presbyterian Church | Community |
| Calvary Chapel Pacific Coast | Community |
| Columbia China Prospects Conference | Community |
| Chevy Chase Presbyterian Church | Community |
| Christian Community Presbyterian Church | Community |
| Christ Community Presbyterian Church | Community |
| Central Confirmation and Promotions Committee | Community |
| Calgary Collegiate Programming Contest | Computing |
| Cherry Creek | General |
| Candidate Cluster and Protocluster Catalog | General |
| Competition and Consumer Protection Commission | General |
| Consolidated Copayment Processing Center | General |
| Cloud Core Policy Controller | General |
| Chinese Communist Party Congress | General |
| Cornell Conditional Probability Calculator | General |
| Chartiers Custom Pet Cremation | General |
| Connecticut Center for Primary Care | General |
| Classic Cars of Ponca City | General |
| Carolina Classic Pontiac Club | General |
| Council on Cardiovascular Primary Care | Governmental |
| Chester County Planning Commission | Governmental |
| Collier County Planning Commission | Governmental |
| Commission to Combat Police Corruption | Governmental |
| Child Care Planning Council | Governmental |
| Collaborative Community Planning Council | Governmental |
| Cancer Control in Primary Care | Medical |
| Clinical Cannabis Pharmacist Conference | Medical |
| Coalition for Cholera Prevention and Control | Medical |
| Crisp County Power Commission | Regional |
| Cuyahoga County Progressive Caucus | Regional |
| Cities for Climate Protection Campaign | Regional |
| Canadian Clean Power Coalition | Regional |
