| Center for Coastal Monitoring and Assessment | Academic & Science |
| Center for Computational Mathematics and Applications | Academic & Science |
| Centre for Climate Modelling and Analysis | Academic & Science |
| Certified Catalog Management Administrator | Business |
| Canadian Country Music Association | Business |
| Code of Conduct on Mortgage Arrears | Business |
| Corangamite Catchment Management Authority | Business |
| Contact Centre Management Association | Business |
| Certified Clinical Medical Assistant | Business |
| County and City Management Association | Business |
| California Certified Medical Assistant | Business |
| Consumer Cooperative Management Association | Business |
| Customer Contact Management Association | Business |
| Connecticut Colony Military Association | Business |
| Ciac Certified Management Apprentice | Business |
| Clear Creek Management Area | Business |
| Call Centre Management Association | Business |
| Canadian Council of Montessori Administrators | Business |
| Certified Cash Manager Associate | Business |
| County and City Managers Association | Community |
| Carolinas Concrete Masonry Association | Community |
| Community Centre for Media Arts | Community |
| Catholic Campus Ministry Association | Community |
| Closure and Container Manufacturers Association | Community |
| Council of Conciliation Media and Arbitration | Community |
| Closure & Container Manufacturers Association | Community |
| Community Chamber Music Association | Community |
| Chaffey Community Museum of Art | Community |
| Capital Country Music Association | Community |
| California College Media Association | Community |
| California Cannabis Manufacturers Association | Community |
| Call Centre Managers Association | Community |
| Christian Country Music Association | Community |
| Center for Chemo Mechanical Assembly | Computing |
| Contact Center Manager Administration | Contact |
| Contact Centre Manager Administration | General |
| Corporació Catalana de Mitjans Audiovisuals | General |
| Commission for Conciliation, Mediation and Arbitration | General |
| Chassis Control Module Auxiliary | General |
| Ccmacovansys Compliance Monitoring Application | General |
| Cambodian Concept of Mental Arithmetic | General |
| Cycloserine Cefoxitin Mannitol Agar | General |
| Chief Carpenter's Mate (aviation) | Governmental |
| Cibolo Creek Municipal Authority | Governmental |
| Crew Correctable Maintenance Action | Governmental |
| Canadian Certified Medical Assistant | Medical |
| Council for Certification of Medical Auditors | Medical |
| Canadian Cytometry and Microscopy Association | Regional |
| Canadian Cascade Magmatic Arc | Regional |
| Canadian Capital Markets Association | Regional |
