| Consolidated Scientific Computing System | Academic & Science |
| Chukchi Sea Circulation Study | Academic & Science |
| Composite Steel and Concrete Structure | Academic & Science |
| California School Climate Survey | Academic & Science |
| Construction Skills Certification Scheme | Business |
| Construction Skills Certification Skills | Business |
| Certified Security Compliance Specialist | Business |
| Certified Strength and Conditioning Specialists | Business |
| Cyprus Subsea Consulting and Services | Business |
| Center For Safe Communities Schools | Community |
| Colorado Springs Christian Schools | Community |
| Coral Springs Charter School | Community |
| Clark Street Community School | Community |
| Civil Society and Community Studies | Community |
| Central Security Control System | Computing |
| Control Systems and Computer Science | Computing |
| Cisco Secure Consulting Services | Computing |
| Centro Svizzero di Calcolo Scientifico | Computing |
| Coral Sea Cable System | Computing |
| Computer Supported Collaborative Science | Computing |
| Construction Skills Certificate Scheme | Educational Degree |
| Counterdrug Surveillance And Control Systems | General |
| Confirmed Suspected Contaminated Sites | General |
| China Seven Cities Study | General |
| Civil Service Compensation Scheme | General |
| Construction Skill Certification Scheme | General |
| Contract Security Classification Specification | General |
| Common Signaling Channel System | General |
| Cost and Schedule Control System | General |
| Counterdrug Surveillance Control System | General |
| Complex Systems Complex Systems | General |
| Canadian Sport Compact Series | General |
| Cold Start Control Solenoid | General |
| Computer Science in Cars Symposium | General |
| Center for Surface Combat Systems | General |
| Center for the Study of Complex Systems | General |
| Centralized Supply Chain Services | General |
| Circulant And Skew Circulant Splitting | General |
| Construction Skills Certificiation Scheme | General |
| Contingency Shuttle Crew Support | General |
| Controlled Substance Compliance Services | General |
| Commissaryman Senior Chief Petty Officer | Governmental |
| Council of Senior Centers and Services | Governmental |
| Center for Security and Crime Science | Governmental |
| Certified Strength and Conditioning Specialist | Jobs |
| Canadian Screenwriters Collection Society | Regional |
| Canadian Screenwriter Collection Society | Regional |
| Canadian Society of Corporate Secretaries | Regional |
| Chhattisgarh State Cricket Sangh | Sports |
| Central Securities Clearing System | Stock Exchange |
