| Abbreviation | Definition |
|---|---|
| CRVL | Corvel Corporation |
| CRXA | Corixa Corporation |
| CRYS | Crystal Systems Solutions, LTD. |
| CRZBY | Commerzbank, A. G. |
| CRZO | Carrizo Oil & Gas, Inc. |
| CRZY.PK | Crazy Woman Creek Bancorp |
| CSAR | Caraustar Industries, Inc. |
| CSAT | C U S A Technologies, Inc. |
| CSBB | C S B Bancorp, Inc. |
| CSBF | C S B Financial Group, Inc. |
| CSBI | Century South Banks, Inc. |
| CSBK | Carolina Southern Bank |
| CSBR | Champions Sports, Inc. |
| CSCA | Cassco Capital Corporation of Delaware |
| CSCC | CenterSpan |
| CSCO | Cisco Systems, Inc. |
| CSCQ | Correctional Service Corporation |
| CSDS | Casino Data Systems |
| CSGI | Consygen, Inc. |
| CSGKY | Credit Suisse Group |