| Centennial Centre For Interdisciplinary Science |
University |
CCIS |
| Cleveland Council of Independent Schools |
Other |
CCIS |
| computer controlled interconnect system |
Government |
CCIS |
| Command Control Information System |
Government |
CCIS |
| Command and Control Information System |
Military |
CCIS |
| College Consortium for International Studies |
Organization |
CCIS |
| Command Center Information System |
Government |
CCIS |
| Common Channel Inter-office Signaling |
Telecom |
CCIS |
| Common Channel Interswitch Signaling |
Military and Defence |
CCIS |
| Common Channel Interoffice Signaling |
Computer Networking |
CCIS |
