| Abbreviation | Definition |
|---|---|
| CIMA | C I M A Laboratories, Inc. |
| CIMA | CIMA Laboratories, Incorporated |
| CIMTF | Cimatron, LTD. |
| CINDE | China Industrial Group, Inc. |
| CINF | Cincinnati Financial Corporation |
| CINJ | COMC, Inc. |
| CINPR | Canadian National Railway Company |
| CINR | Cinar Corporation |
| CINS | Circle Income Shares, Inc. |
| CIPSM | Central Illinois Public Service Company Prefrerred M |
| CIPSN | Central Illinois Public Service Company Prefrerred N |
| CIRC | Circle.Com |
| CISC | Continental Information Systems Corporation |
| CIST | Cistron Biotechnology, Inc. |
| CITA | Citation Computer Systems, Inc. |
| CITC | Citadel Communications Company |
| CITI | Canterbury Information Technologies, Inc. |
| CITN | C T Holdings, Inc. |
| CITY | Avalon Correctional Services |
| CITZ | C F S Bancorp, Inc. |