| Czech-Slovak Protective Society | Academic & Science |
| Center for Sport Peace and Society | Academic & Science |
| Christian Science Publishing Society | Academic & Science |
| Campus Sustainability Planning Studio | Academic & Science |
| Center for Student and Professional Services | Academic & Science |
| Commuter Student Programs Services | Academic & Science |
| Communication Service ProviderS | Business |
| Certified Special Population Specialist | Business |
| certified special population | Business |
| Charter School Property Solutions | Community |
| California School Parent Survey | Community |
| Community Social and Personal Services | Community |
| Center for Security Policy Studies | General |
| California State Payroll System | General |
| Common Spare Parts System | General |
| Crank Shaft Position Sensor | General |
| Champion Spark Plug Service | General |
| Customer Service and Parts Support | General |
| Comparative Shotgun Protein Sequencing | General |
| Chicago Studio of Professional Singing | General |
| California Society of Plastic Surgeons | General |
| CA Surplus Property System | General |
| Capita Share Plan Services | General |
| Center for Secular and Postmodern Studies | General |
| Council on Surgical and Perioperative Safety | Governmental |
| Continual Skin Peeling Syndrome | Medical |
| Comprehensive STD Prevention System | Medical |
| Center for the Study and Prevention of Suicide | Medical |
| Canada School of Public Service | Regional |
| Canadian Society for Pharmaceutical Sciences | Regional |
| Canadian Ski Patrol System | Regional |
