| Abbreviation | Definition |
|---|---|
| CPWR | Compuware Corporation |
| CPWY | Cardiac Pathways Corporation |
| CRADY | C R A, Ltd. |
| CRAI | Charles River Associates, Inc. |
| CRAN | Crown Andersen, Inc. |
| CRAYQ | Cray Computers Corporation (in bankruptcy) |
| CRBO | Carbo Ceramics, Inc. |
| CRCL | Circle International Group, Inc. (delisted) |
| CRCOA | Capital Reserve Corporation Class A |
| CRCUF | Canarc Resource Corporation |
| CRDM | Cardima, Inc. |
| CRDN | Ceradyne, Inc. |
| CRDS | Crossroads Systems, Inc. |
| CRDT | Creditrust Corporation |
| CREAF | Creative Technology, LTD. |
| CREB | Champion Parts, Inc. |
| CRED | Credo Petroleum Corporation |
| CREE | Cree, Inc. |
| CREO | Creo Products, Inc. |
| CRESY | Cresud S A C I P Y A |