| College of Community and Public Service | Academic & Science |
| Center for Chemical Process Society | Academic & Science |
| Centers For Counseling And Psychological Services | Academic & Science |
| Center For Chemical Process Safety | Academic & Science |
| Complete Commercial Printing Solutions | Business |
| Calspro Certified Process Server | Certifications |
| California Certified Prevention Specialist | Certifications |
| Calvert County Public Schools | Community |
| Clayton County Public Schools | Community |
| Collier County Public Schools | Community |
| Caroline County Public Schools | Community |
| Camden City Public Schools | Community |
| Center for Community and Public Safety | Community |
| Cottonwood Classical Preparatory School | Community |
| Clark County Public Schools | Community |
| Charles City Public Schools | Community |
| China Crop Protection Summit | Community |
| Child Care Providers and Schools | Community |
| Chesterfield County Public Schools | Community |
| Charlotte County Public Schools | Community |
| Cecil County Public Schools | Community |
| Carroll County Public Schools | Community |
| Cullman City Primary School | Community |
| Cyber Crime Police Station | Computing |
| College of Continuing and Professional Studies | Educational Institute |
| Center For Collaborative Problem Solving | General |
| Catalytically Competent Protonation State | General |
| Container Chassis Positioning System | General |
| Coupled Cam Phasing on Sohc | General |
| Crankcase Pressure Sensor | General |
| Compensation Claims Processing System | General |
| Center For Continuing And Professional Studies | General |
| Center for Congressional and Presidential Studies | General |
| Carolina Center for Public Service | General |
| Center for Continuing and Professional | General |
| Certified Crime Prevention Specialist | Governmental |
| Consumer Council for Postal Services | Governmental |
| Consultative Council for Postal Studies | Governmental |
| Certified College Planning Specialist | Jobs |
| Cancer Control and Population Sciences | Medical |
| Cancer Control Population Sciences | Medical |
| Central California Psychiatric Society | Medical |
| Centralized Clinical Placement System | Medical |
| Capps Certified Process Server | Networking |
| Cobb County Public Schools | Regional |
| Charles County Public Schools | Regional |
| Culpeper County Public Schools | Regional |