| CCIS | California Consortium for Independent Study 
| Others |
| CCIS | Care Coordination Information System
| Others |
| CCIS | Centennial Centre For Interdisciplinary Science
| Others |
| CCIS | Center for Comparative Immigration Studies
| Others |
| CCIS | Center For Computing And Information Systems
| Others |
| CCIS | Center for Cyber and Information Security
| Others |
| CCIS | Child Care Information Service
| Others |
| CCIS | Child Care Information Services
| Others |
| CCIS | Cleveland Council of Independent Schools
| Others |
| CCIS | Coal City Intermediate School
| Others |
| CCIS | College Consortium For International Studies
| Others |
| CCIS | College of Computer and Information Science
| Others |
| CCIS | Common Channel Interoffice Signaling
| Others |
| CCIS | Common Channel Interoffice Signaling System
| Others |
| CCIS | Common Channel Interswitch Signaling
| Others |
| CCIS | Communications in Computer and Information Science
| Others |
| CCIS | Comprehensive Case Information System
| Others |
| CCIS | Consortium for Critical Interdisciplinary Studies
| Others |
| CCIS | Cooperative Crash Injury Study
| Others |
| CCIS | Cooperative Crash Investigation Study
| Others |
| CCIS | Corporate Customers Information System
| Others |
| CCIS | Crime and Criminal Information System
| Others |
| CCIS | Cross Cultural Interpreting Services
| Others |
| CCIS | Customer Care Internet Service
| Others |
| CCIS | Cylinder Crank Injection and Selmix
| Others |