| Abbreviation | Definition |
|---|---|
| CENT | Central Garden & Pet Company |
| CENX | Century Aluminum Company |
| CEPH | Cephalon, Inc. |
| CEPOH | Central Power & Light Company |
| CEPOO | Central Power & Light Company |
| CERB | Cerbco, Inc. |
| CERBB | Cerbco, Inc. |
| CERG | Ceres Group, Inc. |
| CERH | Cerritos Holdings, Inc. |
| CERI | Capital Environmental Resources |
| CERN | Cerner Corporation |
| CERS | Cerus Corporation |
| CESH | C E Software Holdings, Inc. |
| CESI | Catalytica Energy Systems, Inc. |
| CESR | Central Sierra Bank |
| CETV | Central Europe Media Enterprises |
| CETY | Centre Capital Corporation |
| CEUS | Cereus Technology Partner |
| CFAC | Central Financial Acceptance Corporation |
| CFBC | Community First Banking Company |