| Abbreviation | Definition |
|---|---|
| CLYS | Catalyst International, Inc. |
| CLZR | Candela Corporation |
| CLZRW | Candela Corporation Warrants |
| CMAN | Chapman Holdings, Inc. |
| CMBC | Community Bancorp |
| CMBN | Cumberland Mountain Bancshares |
| CMCAF | Compusoft Canada, Inc. |
| CMCJY | Ceramica Carabobo, C. A. |
| CMCO | Columbus McKinnon Corporation of New York |
| CMCSA | Comcast Corporation Class A |
| CMCSK | Comcast Corporation Class K |
| CMDC | Carematrix Corporation |
| CMDL | Comdial Corporation |
| CMEC | Commercial Concepts, Inc. |
| CMED | Colorado Medtech, Inc. |
| CMEE | C-Me.Com |
| CMEK | Comet Technologies, Inc. |
| CMER | Me Run Corporation |
| CMER | C Me Run Corporation |
| CMGI | C M G I, Inc. |